WIP made compond units working and a bit of xml

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/UnitXCFactory.java

@@ -36,6 +36,7 @@ import net.forwardfire.unitxc.module.UnitXCModuleElectricCurrent;
 import net.forwardfire.unitxc.module.UnitXCModuleLength;
 import net.forwardfire.unitxc.module.UnitXCModuleLuminousIntensity;
 import net.forwardfire.unitxc.module.UnitXCModuleMass;
+import net.forwardfire.unitxc.module.UnitXCModuleSpeed;
 import net.forwardfire.unitxc.module.UnitXCModuleTemperature;
 import net.forwardfire.unitxc.module.UnitXCModuleTime;
 import net.forwardfire.unitxc.module.UnitXCModuleVolume;
@@ -57,7 +58,8 @@ public final class UnitXCFactory {
 			new UnitXCModuleMass(),
 			new UnitXCModuleTime(),
 			new UnitXCModuleArea(),
-			new UnitXCModuleVolume()
+			new UnitXCModuleVolume(),
+			new UnitXCModuleSpeed()
 			));
 			
 	

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/config/UnitXCConfig.java

@@ -29,8 +29,8 @@ import java.util.Map;
 
 import org.apache.commons.lang3.Validate;
 
-import net.forwardfire.unitxc.model.UnitXCTypeModel;
+import net.forwardfire.unitxc.model.UnitXCType;
-import net.forwardfire.unitxc.model.UnitXCGroupModel;
+import net.forwardfire.unitxc.model.UnitXCGroup;
 
 /**
  * Config to build unit types and groups.
@@ -40,8 +40,8 @@ import net.forwardfire.unitxc.model.UnitXCGroupModel;
  */
 public final class UnitXCConfig {
 	
-	private final Map<String,UnitXCTypeModel> unitTypes;
+	private final Map<String,UnitXCType> unitTypes;
-	private final Map<String,UnitXCGroupModel> unitGroups;
+	private final Map<String,UnitXCGroup> unitGroups;
 	
 	public UnitXCConfig() {
 		unitGroups = new HashMap<>();
@@ -51,35 +51,35 @@ public final class UnitXCConfig {
 	/**
 	 * @return the unitTypes
 	 */
-	public Collection<UnitXCTypeModel> getUnitTypes() {
+	public Collection<UnitXCType> getUnitTypes() {
 		return unitTypes.values();
 	}
 	
-	public void addUnitType(UnitXCTypeModel unitType) {
+	public void addUnitType(UnitXCType unitType) {
 		putUnitType(validateGroupId(Validate.notNull(unitType).validate()));
 	}
 	
-	private UnitXCTypeModel validateGroupId(UnitXCTypeModel unitType) {
+	private UnitXCType validateGroupId(UnitXCType unitType) {
 		//Validate.isTrue(unitTypeGroups.containsKey(unitType.getTypeGroupId()),"group is missing");
 		return unitType;
 	}
 	
-	private void putUnitType(UnitXCTypeModel unitType) {
+	private void putUnitType(UnitXCType unitType) {
 		unitTypes.put(unitType.getId(), unitType);
 	}
 	
 	/**
 	 * @return the unitGroups
 	 */
-	public Collection<UnitXCGroupModel> getUnitroups() {
+	public Collection<UnitXCGroup> getUnitroups() {
 		return unitGroups.values();
 	}
 	
-	public void addUnitGroup(UnitXCGroupModel unitTypeGroup) {
+	public void addUnitGroup(UnitXCGroup unitTypeGroup) {
 		putUnitGroup(Validate.notNull(unitTypeGroup).validate());
 	}
 	
-	private void putUnitGroup(UnitXCGroupModel unitTypeGroup) {
+	private void putUnitGroup(UnitXCGroup unitTypeGroup) {
 		unitGroups.put(unitTypeGroup.getId(),unitTypeGroup);
 	}
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/config/UnitXCConfigManager.java

@@ -33,8 +33,6 @@ import org.apache.commons.lang3.Validate;
 import net.forwardfire.unitxc.UnitXCManager;
 import net.forwardfire.unitxc.converter.UnitXConverter;
 import net.forwardfire.unitxc.converter.UnitXConverterEngine;
-import net.forwardfire.unitxc.model.UnitXCTypeModel;
-import net.forwardfire.unitxc.model.UnitXCGroupModel;
 import net.forwardfire.unitxc.model.UnitXCType;
 import net.forwardfire.unitxc.model.UnitXCGroup;
 import net.forwardfire.unitxc.model.UnitXConverterResult;
@@ -62,13 +60,29 @@ public class UnitXCConfigManager implements UnitXCManager {
 		this.converter = new UnitXConverterImpl();
 	}
 	
-	private static Map<String,UnitXCType> createUnitTypes(Collection<UnitXCTypeModel> values) {
+	private static Map<String,UnitXCType> createUnitTypes(Collection<UnitXCType> values) {
 		Map<String,UnitXCType> result = new HashMap<>();
-		values.forEach((value) -> result.put(value.getId(), value));
+		values.forEach((value) -> {
+			putValue(result,value.getId(),value);
+			if (!value.getId().equals(value.getName())) { // fix time group
+				putValue(result,value.getName(),value);
+			}
+			if (!value.getName().equals(value.getNamePlural())) { // mmm normal
+				putValue(result,value.getNamePlural(),value);
+			}
+		});
 		return result;
 	}
 	
-	private static Map<String,UnitXCGroup> createUnitGroups(Collection<UnitXCGroupModel> values) {
+	private static void putValue(Map<String,UnitXCType> result,String key,UnitXCType value) {
+		if (key == null) {
+			return;
+		}
+		Validate.isTrue(!result.containsKey(key),"Duplicate key: "+key);
+		result.put(key, value);
+	}
+	
+	private static Map<String,UnitXCGroup> createUnitGroups(Collection<UnitXCGroup> values) {
 		Map<String,UnitXCGroup> result = new HashMap<>();
 		values.forEach((value) -> result.put(value.getId(), value));
 		return result;
@@ -130,7 +144,7 @@ public class UnitXCConfigManager implements UnitXCManager {
 		@Override
 		public UnitXConverterResult convertStepped(double value, UnitXCType fromType, UnitXCType toType) {
 			// TODO: rm casting
-			return convertEngine.convertStepped(value, (UnitXCTypeModel)fromType, (UnitXCTypeModel)toType);
+			return convertEngine.convertStepped(value, (UnitXCType)fromType, (UnitXCType)toType);
 		}
 	}
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/config/builder/AbstractUnitXCTypeBuilder.java

@@ -29,7 +29,7 @@ import java.util.List;
 import java.util.function.BiConsumer;
 
 import net.forwardfire.unitxc.converter.step.UnitXConverterStep;
-import net.forwardfire.unitxc.model.UnitXCTypeModel;
+import net.forwardfire.unitxc.model.UnitXCType;
 
 /**
  * 
@@ -37,10 +37,23 @@ import net.forwardfire.unitxc.model.UnitXCTypeModel;
  * @author Willem Cazander
  * @version 1.0 Oct 22, 2015
  */
-public abstract class AbstractUnitXCTypeBuilder<P,B> extends AbstractUnitXCBuilder<P,UnitXCTypeModel,B> {
+public abstract class AbstractUnitXCTypeBuilder<P,B> extends AbstractUnitXCBuilder<P,UnitXCType,B> {
 	
-	public AbstractUnitXCTypeBuilder(P parent,BiConsumer<P, UnitXCTypeModel> parentBuilder) {
+	public AbstractUnitXCTypeBuilder(P parent,UnitXCType model,BiConsumer<P, UnitXCType> parentBuilder) {
-		super(parent, new UnitXCTypeModel(), parentBuilder);
+		super(parent, model, parentBuilder);
+	}
+	
+	protected final void buildPreValue(UnitXCType value) {
+		if (value.getNamePlural() == null) {
+			setNamePlurals();
+		}
+		if (value.getAliasOfType() != null && !value.getTypeFlags().contains(UnitXCConfigBuilder.TYPE_FLAG_ALIAS)) {
+			value.getTypeFlags().add(UnitXCConfigBuilder.TYPE_FLAG_ALIAS);
+		}
+		buildModel(value);
+	}
+	
+	protected void buildModel(UnitXCType value) {
 	}
 	
 	public B setId(String id) {
@@ -51,28 +64,40 @@ public abstract class AbstractUnitXCTypeBuilder<P,B> extends AbstractUnitXCBuild
 		return make((v) -> v.setName(name));
 	}
 	
-	public B addNameAlias(String nameAlias) {
+	public B setNamePlurals() {
-		return make((v) -> v.addNameAlias(nameAlias));
+		return setNamePlural(getValue().getName()+"s");
 	}
 	
-	public B addNameAliases(Collection<String> nameAliases) {
+	public B setNamePlural(String name) {
-		return make((v) -> nameAliases.forEach(a -> v.addNameAlias(a)));
+		return make((v) -> v.setNamePlural(name));
 	}
 	
-	public B addNameAliases(String[] nameAliases) {
+	public B setAliasOfType(String aliasOfType) {
-		return addNameAliases(Arrays.asList(nameAliases));
+		return make((v) -> v.setAliasOfType(aliasOfType));
 	}
 	
 	public B setTypeGroupId(String typeGroupId) {
 		return make((v) -> v.setUnitGroupId(typeGroupId));
 	}
 	
+	public B addWebsiteWiki(String websiteLink) {
+		return addWebsiteLink("https://en.wikipedia.org/wiki/"+websiteLink);
+	}
+	
+	public B addWebsiteLink(String websiteLink) {
+		return make((v) -> v.getWebsiteLinks().add(websiteLink));
+	}
+	
+	public B addWebsiteLinks(Collection<String> websiteLinks) {
+		return make((v) -> v.getWebsiteLinks().addAll(websiteLinks));
+	}
+	
 	public B addTypeFlag(String flag) {
-		return make((v) -> v.addTypeFlag(flag));
+		return make((v) -> v.getTypeFlags().add(flag));
 	}
 	
 	public B addTypeFlags(Collection<String> flags) {
-		return make(v -> flags.forEach(flag -> v.addTypeFlag(flag)));
+		return make(v -> flags.forEach(flag -> v.getTypeFlags().add(flag)));
 	}
 	
 	public B addTypeFlags(String[] flags) {
@@ -88,18 +113,18 @@ public abstract class AbstractUnitXCTypeBuilder<P,B> extends AbstractUnitXCBuild
 	}
 	
 	public B addFromBaseConverterStep(UnitXConverterStep unitTypeConverter) {
-		return make((v) -> v.addFromBaseConverterStep(unitTypeConverter));
+		return make((v) -> v.getFromBaseConverterSteps().add(unitTypeConverter));
 	}
 	
 	public B addFromBaseConverterSteps(List<UnitXConverterStep> unitTypeConverters) {
-		return make((v) -> unitTypeConverters.forEach(c -> v.addFromBaseConverterStep(c)));
+		return make((v) -> unitTypeConverters.forEach(c -> v.getFromBaseConverterSteps().add(c)));
 	}
 	
 	public B addToBaseConverterStep(UnitXConverterStep unitTypeConverter) {
-		return make((v) -> v.addToBaseConverterStep(unitTypeConverter));
+		return make((v) -> v.getToBaseConverterSteps().add(unitTypeConverter));
 	}
 	
 	public B addToBaseConverterSteps(List<UnitXConverterStep> unitTypeConverters) {
-		return make((v) -> unitTypeConverters.forEach(c -> v.addToBaseConverterStep(c)));
+		return make((v) -> unitTypeConverters.forEach(c -> v.getToBaseConverterSteps().add(c)));
 	}
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/config/builder/UnitXCConfigBuilder.java

@@ -26,6 +26,7 @@ package net.forwardfire.unitxc.config.builder;
 import org.apache.commons.lang3.Validate;
 
 import net.forwardfire.unitxc.config.UnitXCConfig;
+import net.forwardfire.unitxc.model.UnitXCType;
 
 /**
  * 
@@ -37,6 +38,7 @@ public class UnitXCConfigBuilder {
 
 	public static final String TYPE_FLAG_IMPERIAL       = "IMPERIAL"; // todo move to ...
 	public static final String TYPE_FLAG_IMPERIAL_EXTRA = "IMPERIAL_EXTRA";
+	public static final String TYPE_FLAG_ALIAS          = "ALIAS";
 	
 	private final UnitXCConfig config;
 	
@@ -53,6 +55,19 @@ public class UnitXCConfigBuilder {
 	}
 	
 	public UnitXCTypeBuilder<UnitXCConfigBuilder> createUnitType() {
-		return new UnitXCTypeBuilder<>(this,(p,v) -> p.getConfig().addUnitType(v));
+		return new UnitXCTypeBuilder<>(this,new UnitXCType(),(p,v) -> p.getConfig().addUnitType(v));
+	}
+	
+	private UnitXCType findType(String id) {
+		for (UnitXCType m:config.getUnitTypes()) {
+			if (m.getId().equals(id)) {
+				return m;
+			}
+		}
+		throw new IllegalArgumentException("Could not find: "+id);
+	}
+	
+	public UnitXCTypeBuilder<UnitXCConfigBuilder> extendUnitType(String id) {
+		return new UnitXCTypeBuilder<>(this,findType(id),(p,v) -> {});
 	}
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/config/builder/UnitXCGroupBuilder.java

@@ -23,8 +23,9 @@
 
 package net.forwardfire.unitxc.config.builder;
 
-import net.forwardfire.unitxc.model.UnitXCGroupModel;
+import net.forwardfire.unitxc.model.UnitXCGroup;
-import net.forwardfire.unitxc.model.UnitXCGroupType;
+import net.forwardfire.unitxc.model.UnitXCGroupLevel;
+import net.forwardfire.unitxc.model.UnitXCType;
 
 /**
  * 
@@ -32,10 +33,10 @@ import net.forwardfire.unitxc.model.UnitXCGroupType;
  * @author Willem Cazander
  * @version 1.0 Oct 22, 2015
  */
-public class UnitXCGroupBuilder extends AbstractUnitXCBuilder<UnitXCConfigBuilder,UnitXCGroupModel,UnitXCGroupBuilder> {
+public class UnitXCGroupBuilder extends AbstractUnitXCBuilder<UnitXCConfigBuilder,UnitXCGroup,UnitXCGroupBuilder> {
 	
 	public UnitXCGroupBuilder(UnitXCConfigBuilder parent) {
-		super(parent, new UnitXCGroupModel(), (p,v) -> p.getConfig().addUnitGroup(v));
+		super(parent, new UnitXCGroup(), (p,v) -> p.getConfig().addUnitGroup(v));
 	}
 	
 	@Override
@@ -44,18 +45,21 @@ public class UnitXCGroupBuilder extends AbstractUnitXCBuilder<UnitXCConfigBuilde
 	}
 	
 	public UnitXCTypeBuilder<UnitXCGroupBuilder> createUnitType() {
-		return new UnitXCTypeBuilder<>(this,(p,v) -> p.getParent().getConfig().addUnitType(v)).setTypeGroupId(getValue().getId());
+		return new UnitXCTypeBuilder<>(this,new UnitXCType(),(p,v) -> p.getParent().getConfig().addUnitType(v)).setTypeGroupId(getValue().getId());
 	}
 	
 	public UnitXCTypeSIPrefixBuilder<UnitXCGroupBuilder> createSIUnitTypes() {
 		return new UnitXCTypeSIPrefixBuilder<>(this,getParent()).setTypeGroupId(getValue().getId());
 	}
 	
-
 	public UnitXCTypeCompoundExponentBuilder createCompoundExponentUnitTypes(String unitTypeGroupId,int exponent) {
 		return new UnitXCTypeCompoundExponentBuilder(this,getParent(),unitTypeGroupId,exponent);
 	}
 	
+	public UnitXCTypeCompoundPairBuilder createCompoundPairUnitTypes(String groupId,String perGroupId) {
+		return new UnitXCTypeCompoundPairBuilder(this,getParent(),groupId,perGroupId);
+	}
+	
 	public UnitXCGroupBuilder setId(String id) {
 		return make((v) -> v.setId(id));
 	}
@@ -72,8 +76,8 @@ public class UnitXCGroupBuilder extends AbstractUnitXCBuilder<UnitXCConfigBuilde
 		return make((v) -> v.setBaseTypeId(baseTypeId));
 	}
 	
-	public UnitXCGroupBuilder setType(UnitXCGroupType type) {
+	public UnitXCGroupBuilder setGroupLevel(UnitXCGroupLevel type) {
-		return make((v) -> v.setType(type));
+		return make((v) -> v.setGroupLevel(type));
 	}
 	
 //	public UnitXCGroupBuilder addDerivedFrom(String fromId) {

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/config/builder/UnitXCTypeBuilder.java

@@ -25,7 +25,7 @@ package net.forwardfire.unitxc.config.builder;
 
 import java.util.function.BiConsumer;
 
-import net.forwardfire.unitxc.model.UnitXCTypeModel;
+import net.forwardfire.unitxc.model.UnitXCType;
 
 /**
  * 
@@ -35,8 +35,8 @@ import net.forwardfire.unitxc.model.UnitXCTypeModel;
  */
 public class UnitXCTypeBuilder<P> extends AbstractUnitXCTypeBuilder<P,UnitXCTypeBuilder<P>> {
 
-	public UnitXCTypeBuilder(P parent, BiConsumer<P, UnitXCTypeModel> parentBuilder) {
+	public UnitXCTypeBuilder(P parent,UnitXCType model, BiConsumer<P, UnitXCType> parentBuilder) {
-		super(parent, parentBuilder);
+		super(parent,model, parentBuilder);
 	}
 	
 	@Override

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/config/builder/UnitXCTypeCompoundExponentBuilder.java

@@ -29,8 +29,8 @@ import java.util.List;
 import org.apache.commons.lang3.Validate;
 
 import net.forwardfire.unitxc.converter.step.UnitXConverterStep;
-import net.forwardfire.unitxc.model.UnitXCGroupModel;
+import net.forwardfire.unitxc.model.UnitXCGroup;
-import net.forwardfire.unitxc.model.UnitXCTypeModel;
+import net.forwardfire.unitxc.model.UnitXCType;
 
 /**
  * 
@@ -61,8 +61,8 @@ public class UnitXCTypeCompoundExponentBuilder extends AbstractUnitXCBuilder<Uni
 	@Override
 	protected void buildPreValue(Object v) {
 		
-		UnitXCGroupModel group = null;
+		UnitXCGroup group = null;
-		for (UnitXCGroupModel unitGroup:builder.getConfig().getUnitroups()) {
+		for (UnitXCGroup unitGroup:builder.getConfig().getUnitroups()) {
 			if (unitGroup.getId().equals(unitGroupId)) {
 				group = unitGroup;
 				break;
@@ -70,32 +70,36 @@ public class UnitXCTypeCompoundExponentBuilder extends AbstractUnitXCBuilder<Uni
 		}
 		Validate.notNull(group,"Could not find group: "+unitGroupId);
 		
-		getParent().getValue().addDerivedFrom(unitGroupId);
+		getParent().getValue().getDerivedFrom().add(unitGroupId);
 		
-		for (UnitXCTypeModel unitType:new ArrayList<>(builder.getConfig().getUnitTypes())) {
+		for (UnitXCType unitType:new ArrayList<>(builder.getConfig().getUnitTypes())) {
 			if (!unitType.getUnitGroupId().equals(group.getId())) {
 				continue;
 			}
 			UnitXCTypeBuilder<UnitXCConfigBuilder> typeBuilder = builder.createUnitType()
 				.setId(unitType.getId()+unitIdPostfix)
 				.setName(unitNamePrefix+unitType.getName())
-				.setTypeGroupId(group.getId())
+				.setTypeGroupId(getParent().getValue().getId())
 				.addTypeFlags(unitType.getTypeFlags());
 			
 			for (int i=0;i<exponent;i++) {
-				typeBuilder.addToBaseConverterSteps(addStepReason(exponent,unitType.getToBaseConverterSteps()));
+				typeBuilder.addToBaseConverterSteps(cloneSteps(exponent,unitType.getToBaseConverterSteps()));
-				typeBuilder.addFromBaseConverterSteps(addStepReason(exponent,unitType.getFromBaseConverterSteps()));
+				typeBuilder.addFromBaseConverterSteps(cloneSteps(exponent,unitType.getFromBaseConverterSteps()));
 			}
 			typeBuilder.build();
 		}
 	}
 	
-	private List<UnitXConverterStep> addStepReason(int exponent,List<UnitXConverterStep> steps) {
+	private List<UnitXConverterStep> cloneSteps(int exponent,List<UnitXConverterStep> steps) {
-		if (exponent == 0) {
+		List<UnitXConverterStep> result = new ArrayList<>();
-			return steps;
+		for (UnitXConverterStep step:steps) {
+			UnitXConverterStep clone = step.clone();
+			if (exponent != 0) {
+				clone.addStepReason("CompoundExponent: "+exponent);
 			}
-		steps.forEach(step -> step.addStepReason("CompoundeExponent: "+exponent));
+			result.add(clone);
-		return steps;
+		}
+		return result;
 	}
 	
 	public UnitXCTypeCompoundExponentBuilder setUnitIdPostfix(String unitIdPostfix) {

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/config/builder/UnitXCTypeCompoundPairBuilder.java

@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2013-2015, Willem Cazander
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are permitted provided
+ * that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this list of conditions and the
+ *   following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
+ *   the following disclaimer in the documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package net.forwardfire.unitxc.config.builder;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.lang3.Validate;
+
+import net.forwardfire.unitxc.converter.step.UnitXConverterStep;
+import net.forwardfire.unitxc.model.UnitXCGroup;
+import net.forwardfire.unitxc.model.UnitXCType;
+
+/**
+ * 
+ * 
+ * @author Willem Cazander
+ * @version 1.0 Oct 26, 2015
+ */
+public class UnitXCTypeCompoundPairBuilder extends AbstractUnitXCBuilder<UnitXCGroupBuilder,Object,UnitXCTypeCompoundPairBuilder> {
+	
+	public static final String PER_ID = "/";
+	public static final String PER_NAME = " per ";
+	
+	private final UnitXCConfigBuilder builder;
+	private final String groupId;
+	private final String perGroupId;
+	
+	public UnitXCTypeCompoundPairBuilder(UnitXCGroupBuilder parent, UnitXCConfigBuilder builder,String groupId,String perGroupId) {
+		super(parent,new Object(), (p,v) -> {});
+		this.builder = builder;
+		this.groupId = groupId;
+		this.perGroupId = perGroupId;
+	}
+	
+	@Override
+	protected UnitXCTypeCompoundPairBuilder getBuilder() {
+		return this;
+	}
+	
+	@Override
+	protected void buildPreValue(Object v) {
+		
+		UnitXCGroup group = null;
+		UnitXCGroup perGroup = null;
+		for (UnitXCGroup unitGroup:builder.getConfig().getUnitroups()) {
+			if (unitGroup.getId().equals(groupId)) {
+				group = unitGroup;
+			}
+			if (unitGroup.getId().equals(perGroupId)) {
+				perGroup = unitGroup;
+			}
+		}
+		Validate.notNull(group,"Could not find group: "+groupId);
+		Validate.notNull(perGroup,"Could not find group: "+perGroupId);
+		
+		getParent().getValue().getDerivedFrom().add(groupId);
+		getParent().getValue().getDerivedFrom().add(perGroupId);
+		
+		List<UnitXCType> types = new ArrayList<>(builder.getConfig().getUnitTypes());
+		
+		for (UnitXCType unitType:types) {
+			if (!unitType.getUnitGroupId().equals(group.getId())) {
+				continue;
+			}
+			for (UnitXCType perUnitType:types) {
+				if (!perUnitType.getUnitGroupId().equals(perGroup.getId())) {
+					continue;
+				}
+				
+				// TODO: add name/name alias
+				UnitXCTypeBuilder<UnitXCConfigBuilder> typeBuilder = builder.createUnitType()
+					.setId(unitType.getId()+PER_ID+perUnitType.getId())
+					.setName(unitType.getName()+PER_NAME+perUnitType.getName())
+					.setTypeGroupId(getParent().getValue().getId())
+					.addTypeFlags(unitType.getTypeFlags())
+					.addTypeFlags(perUnitType.getTypeFlags());
+				
+				typeBuilder.addToBaseConverterSteps(cloneSteps(unitType.getToBaseConverterSteps(),true));
+				typeBuilder.addToBaseConverterSteps(cloneSteps(perUnitType.getFromBaseConverterSteps(),false));
+				typeBuilder.addFromBaseConverterSteps(cloneSteps(perUnitType.getToBaseConverterSteps(),true));
+				typeBuilder.addFromBaseConverterSteps(cloneSteps(unitType.getFromBaseConverterSteps(),false));
+				typeBuilder.build();
+			}
+		}
+	}
+	
+	private List<UnitXConverterStep> cloneSteps(List<UnitXConverterStep> steps,boolean pairBase) {
+		List<UnitXConverterStep> result = new ArrayList<>();
+		for (UnitXConverterStep step:steps) {
+			UnitXConverterStep clone = step.clone();
+			if (pairBase) {
+				clone.addStepReason("CompoundPair base");
+			} else {
+				clone.addStepReason("CompoundPair reverse");
+			}
+			result.add(clone);
+		}
+		return result;
+	}
+}

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/config/builder/UnitXCTypeSIPrefixBuilder.java

@@ -29,7 +29,7 @@ import java.util.Collection;
 import java.util.List;
 
 import net.forwardfire.unitxc.converter.step.UnitXCTypePowerOfTenConverterStep;
-import net.forwardfire.unitxc.model.UnitXCTypeModel;
+import net.forwardfire.unitxc.model.UnitXCType;
 
 /**
  * 
@@ -43,7 +43,7 @@ public class UnitXCTypeSIPrefixBuilder<P> extends AbstractUnitXCTypeBuilder<P,Un
 	private final List<UnitXCTypeSIPrefix> commonSIPrefixes;
 	
 	public UnitXCTypeSIPrefixBuilder(P parent, UnitXCConfigBuilder builder) {
-		super(parent, (p,v) -> {});
+		super(parent,new UnitXCType(), (p,v) -> {});
 		this.builder = builder;
 		this.commonSIPrefixes = new ArrayList<>();
 	}
@@ -54,11 +54,12 @@ public class UnitXCTypeSIPrefixBuilder<P> extends AbstractUnitXCTypeBuilder<P,Un
 	}
 	
 	@Override
-	protected void buildPreValue(UnitXCTypeModel v) {
+	protected void buildModel(UnitXCType v) {
 		builder.createUnitType()
 			.setId(v.getId())
 			.setName(v.getName())
-			.addNameAliases(v.getNameAliases())
+			.setNamePlural(v.getNamePlural())
+			.addWebsiteLinks(v.getWebsiteLinks())
 			.setTypeGroupId(v.getUnitGroupId())
 			.addTypeFlags(v.getTypeFlags())
 			.addFromBaseConverterSteps(v.getFromBaseConverterSteps())
@@ -75,14 +76,19 @@ public class UnitXCTypeSIPrefixBuilder<P> extends AbstractUnitXCTypeBuilder<P,Un
 			builder.createUnitType()
 				.setId(sim.getPrefixId()+v.getId())
 				.setName(sim.getPrefixName()+v.getName())
-				.addNameAliases(sim.getNameAliases())
+				.setNamePlural(sim.getPrefixName()+v.getNamePlural())
 				.setTypeGroupId(v.getUnitGroupId())
 				.addTypeFlags(typeFlags)
-				.addToBaseConverterStep(new UnitXCTypePowerOfTenConverterStep(sim.getExponent(),false,"Move dot for SI"))
+				//.addWebsiteLinks(v.getWebsiteLinks())
+				.addToBaseConverterStep(new UnitXCTypePowerOfTenConverterStep(sim.getExponent(),false).buildReason("Move dot for SI"))
 				.addToBaseConverterSteps(v.getToBaseConverterSteps())
 				.addFromBaseConverterSteps(v.getFromBaseConverterSteps())
-				.addFromBaseConverterStep(new UnitXCTypePowerOfTenConverterStep(sim.getExponent(),true,"Move dot for SI"))
+				.addFromBaseConverterStep(new UnitXCTypePowerOfTenConverterStep(sim.getExponent(),true).buildReason("Move dot for SI"))
 				.build();
+			
+			//for (String typeAlias:sim.getNameAliases()) {
+			//	
+			//}
 		}
 	}
 	

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/config/builder/UnitXConverterStepBuilder.java

@@ -60,7 +60,7 @@ public class UnitXConverterStepBuilder<P extends AbstractUnitXCTypeBuilder<?,?>>
 	}
 	
 	private UnitXConverterStepBuilder<P> offset(double offset,boolean offsetPositive,String stepReason) {
-		return make(v -> v.add(new UnitXCTypeOffsetConverterStep(offset,offsetPositive,stepReason)));
+		return make(v -> v.add(new UnitXCTypeOffsetConverterStep(offset,offsetPositive).buildReason(stepReason)));
 	}
 	public UnitXConverterStepBuilder<P> offsetUp(double offset,String stepReason) {
 		return offset(offset,true,stepReason);
@@ -77,10 +77,10 @@ public class UnitXConverterStepBuilder<P extends AbstractUnitXCTypeBuilder<?,?>>
 	
 	
 	public UnitXConverterStepBuilder<P> multiply(Fraction fraction,String stepReason) {
-		return make(v -> v.add(new UnitXCTypeMultiplyFractionConverterStep(fraction,stepReason)));
+		return make(v -> v.add(new UnitXCTypeMultiplyFractionConverterStep(fraction.getNumerator(),fraction.getDenominator()).buildReason(stepReason)));
 	}
 	public UnitXConverterStepBuilder<P> multiply(int numerator,int denominator,String stepReason) {
-		return make(v -> v.add(new UnitXCTypeMultiplyFractionConverterStep(numerator,denominator,stepReason)));
+		return make(v -> v.add(new UnitXCTypeMultiplyFractionConverterStep(numerator,denominator).buildReason(stepReason)));
 	}
 	public UnitXConverterStepBuilder<P> multiply(Fraction fraction) {
 		return multiply(fraction,createStepReason());
@@ -90,10 +90,10 @@ public class UnitXConverterStepBuilder<P extends AbstractUnitXCTypeBuilder<?,?>>
 	}
 	
 	public UnitXConverterStepBuilder<P> multiply(double factor,String stepReason) {
-		return make(v -> v.add(new UnitXCTypeMultiplyConverterStep(factor,stepReason)));
+		return make(v -> v.add(new UnitXCTypeMultiplyConverterStep(factor).buildReason(stepReason)));
 	}
 	public UnitXConverterStepBuilder<P> divide(double factor,String stepReason) {
-		return make(v -> v.add(new UnitXCTypeDevideConverterStep(factor,stepReason)));
+		return make(v -> v.add(new UnitXCTypeDevideConverterStep(factor).buildReason(stepReason)));
 	}
 	public UnitXConverterStepBuilder<P> multiply(double factor) {
 		return multiply(factor,createStepReason());
@@ -103,7 +103,7 @@ public class UnitXConverterStepBuilder<P extends AbstractUnitXCTypeBuilder<?,?>>
 	}
 	
 	public UnitXConverterStepBuilder<P> power(int exponent,String stepReason) {
-		return make(v -> v.add(new UnitXCTypePowerConverterStep(exponent,stepReason)));
+		return make(v -> v.add(new UnitXCTypePowerConverterStep(exponent).buildReason(stepReason)));
 	}
 	public UnitXConverterStepBuilder<P> power(int exponent) {
 		return power(exponent,createStepReason());
@@ -111,7 +111,7 @@ public class UnitXConverterStepBuilder<P extends AbstractUnitXCTypeBuilder<?,?>>
 	
 	
 	private UnitXConverterStepBuilder<P> powerOfTen(int exponent,boolean rev,String stepReason) {
-		return make(v -> v.add(new UnitXCTypePowerOfTenConverterStep(exponent,rev,stepReason)));
+		return make(v -> v.add(new UnitXCTypePowerOfTenConverterStep(exponent,rev).buildReason(stepReason)));
 	}
 	public UnitXConverterStepBuilder<P> power10Up(UnitXCTypeSIPrefix exponent,String stepReason) {
 		return powerOfTen(exponent.getExponent(), true,stepReason);

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/converter/UnitXConverterEngine.java

@@ -30,14 +30,11 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import net.forwardfire.unitxc.UnitXCManager;
-import net.forwardfire.unitxc.config.UnitXCConfig;
 import net.forwardfire.unitxc.converter.step.UnitXConverterStep;
-import net.forwardfire.unitxc.model.UnitXCTypeModel;
 import net.forwardfire.unitxc.model.UnitXCGroup;
+import net.forwardfire.unitxc.model.UnitXCType;
 import net.forwardfire.unitxc.model.UnitXConverterResult;
-import net.forwardfire.unitxc.model.UnitXConverterResultModel;
 import net.forwardfire.unitxc.model.UnitXConverterResultStep;
-import net.forwardfire.unitxc.model.UnitXConverterResultStepModel;
 
 /**
  * Runs requested convert steps and builds result models.
@@ -54,7 +51,7 @@ public final class UnitXConverterEngine {
 		this.manager = manager;
 	}
 	
-	public UnitXConverterResult convertStepped(double value,UnitXCTypeModel fromType,UnitXCTypeModel toType) {
+	public UnitXConverterResult convertStepped(double value,UnitXCType fromType,UnitXCType toType) {
 		long startTime = System.currentTimeMillis();
 		double startValue = value;
 		List<UnitXConverterResultStep> resultSteps = new ArrayList<>();
@@ -73,11 +70,17 @@ public final class UnitXConverterEngine {
 		
 		
 		long convertTime = System.currentTimeMillis()-startTime;
-		UnitXConverterResultModel result = new UnitXConverterResultModel(startValue,value,resultSteps,convertTime, fromType, toType);
+		UnitXConverterResult result = new UnitXConverterResult();
+		result.setStartValue(startValue);
+		result.setStartValueType(fromType);
+		result.setResultValue(value);
+		result.setResultValueType(toType);
+		result.setConvertTime(convertTime);
+		result.setResultSteps(resultSteps);
 		return result;
 	}
 	
-	private double runConverter(List<UnitXConverterResultStep> resultSteps,UnitXCTypeModel type,double value,boolean toBase) {
+	private double runConverter(List<UnitXConverterResultStep> resultSteps,UnitXCType type,double value,boolean toBase) {
 		double valueOld = value;
 		List<UnitXConverterStep> steps = toBase?type.getToBaseConverterSteps():type.getFromBaseConverterSteps();
 		for (UnitXConverterStep step:steps) {
@@ -86,7 +89,12 @@ public final class UnitXConverterEngine {
 			long startTime = System.currentTimeMillis();
 			value = step.convert(value);
 			long convertTime = System.currentTimeMillis()-startTime;
-			resultSteps.add(new UnitXConverterResultStepModel(step.getStepName()+(toBase?"-toBase":"-fromBase")+" = "+step.getMathExpression(),valueOld,value,convertTime));
+			UnitXConverterResultStep resultStep = new UnitXConverterResultStep();
+			resultStep.setName(step.getName()+(toBase?"-toBase":"-fromBase")+" = "+step.getMathExpression());
+			resultStep.setStartValue(valueOld);
+			resultStep.setResultValue(value);
+			resultStep.setConvertTime(convertTime);
+			resultSteps.add(resultStep);
 			
 			value = runRounding(resultSteps,value,valueOld);
 			
@@ -124,7 +132,13 @@ public final class UnitXConverterEngine {
 		Double result = new Double(valueShortStr);
 		long roundTime = System.currentTimeMillis()-startTime;
 		
-		resultSteps.add(new UnitXConverterResultStepModel("rouding",value,result,roundTime));
+		UnitXConverterResultStep resultStep = new UnitXConverterResultStep();
+		resultStep.setName("rounding");
+		resultStep.setStartValue(value);
+		resultStep.setResultValue(result);
+		resultStep.setConvertTime(roundTime);
+		
+		resultSteps.add(resultStep);
 		
 		return result.doubleValue();
 	}

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/converter/step/AbstractUnitXConverterStep.java

@@ -26,8 +26,14 @@ package net.forwardfire.unitxc.converter.step;
 import java.util.ArrayList;
 import java.util.List;
 
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+
 import org.apache.commons.lang3.Validate;
 
+import net.forwardfire.unitxc.model.ModelXMLInfoSet;
+
 /**
  * 
  * 
@@ -36,27 +42,63 @@ import org.apache.commons.lang3.Validate;
  */
 public abstract class AbstractUnitXConverterStep implements UnitXConverterStep {
 
-	private final String name;
+	private String name;
 	private final List<String> stepReasons;
 	
-	protected AbstractUnitXConverterStep(String name,String stepReason) {
+	protected AbstractUnitXConverterStep(String name) {
-		this.name = Validate.notBlank(name);
 		this.stepReasons = new ArrayList<>();
-		this.addStepReason(stepReason);
+		this.setName(name);
+	}
+	
+	public AbstractUnitXConverterStep buildReason(String reason) {
+		addStepReason(reason);
+		return this;
 	}
 	
 	@Override
-	public final String getStepName() {
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.NAME)
+	public final String getName() {
 		return name;
 	}
 	
+	public void setName(String name) {
+		this.name = Validate.notBlank(name);
+	}
+	
 	@Override
+	@XmlElement(name=ModelXMLInfoSet.Element.STEP_REASON)
+	@XmlElementWrapper(name=ModelXMLInfoSet.Element.STEP_REASONS)
 	public final List<String> getStepReasons() {
 		return stepReasons;
 	}
 	
+	public final void setStepReasons(List<String> stepReasons) {
+		this.stepReasons.clear();
+		this.stepReasons.addAll(stepReasons);
+	}
+	
 	@Override
 	public final void addStepReason(String stepReason) {
 		stepReasons.add(Validate.notBlank(stepReason));
 	}
+	
+	abstract protected String toMath();
+	
+	@Override
+	public final String getMathExpression() {
+		return toMath();
+	}
+	
+	public void setMathExpression(String notUsed) {
+	}
+	
+	@Override
+	public UnitXConverterStep clone() {
+		AbstractUnitXConverterStep clone = createClone();
+		clone.setName(getName());
+		clone.setStepReasons(getStepReasons());
+		return clone;
+	}
+	
+	abstract protected AbstractUnitXConverterStep createClone();
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/converter/step/UnitXCTypeDevideConverterStep.java

@@ -23,6 +23,8 @@
 
 package net.forwardfire.unitxc.converter.step;
 
+import javax.xml.bind.annotation.XmlRootElement;
+
 import org.apache.commons.lang3.Validate;
 
 /**
@@ -31,15 +33,24 @@ import org.apache.commons.lang3.Validate;
  * @author Willem Cazander
  * @version 1.0 Oct 20, 2015
  */
+@XmlRootElement
 public class UnitXCTypeDevideConverterStep extends AbstractUnitXConverterStep {
 
 	private final static String STEP_NAME = "Devide";
-	private final double factor;
+	private double factor;
 	
-	public UnitXCTypeDevideConverterStep(double factor,String stepReason) {
+	public UnitXCTypeDevideConverterStep() {
-		super(STEP_NAME,stepReason);
+		super(STEP_NAME);
-		this.factor = factor;
+	}
-		Validate.isTrue(factor != 0);
+	
+	public UnitXCTypeDevideConverterStep(double factor) {
+		this();
+		setFactor(factor);
+	}
+	
+	@Override
+	protected AbstractUnitXConverterStep createClone() {
+		return new UnitXCTypeDevideConverterStep(getFactor());
 	}
 	
 	@Override
@@ -48,7 +59,22 @@ public class UnitXCTypeDevideConverterStep extends AbstractUnitXConverterStep {
 	}
 	
 	@Override
-	public String getMathExpression() {
+	protected String toMath() {
 		return "/"+factor;
 	}
+	
+	/**
+	 * @return the factor
+	 */
+	public double getFactor() {
+		return factor;
+	}
+	
+	/**
+	 * @param factor the factor to set
+	 */
+	public void setFactor(double factor) {
+		Validate.isTrue(factor != 0);
+		this.factor = factor;
+	}
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/converter/step/UnitXCTypeMultiplyConverterStep.java

@@ -23,20 +23,32 @@
 
 package net.forwardfire.unitxc.converter.step;
 
+import javax.xml.bind.annotation.XmlRootElement;
+
 /**
  * 
  * 
  * @author Willem Cazander
  * @version 1.0 Oct 17, 2015
  */
+@XmlRootElement
 public class UnitXCTypeMultiplyConverterStep extends AbstractUnitXConverterStep {
 
 	private final static String STEP_NAME = "Multiply";
-	private final double factor;
+	private double factor;
 	
-	public UnitXCTypeMultiplyConverterStep(double factor,String stepReason) {
+	public UnitXCTypeMultiplyConverterStep() {
-		super(STEP_NAME,stepReason);
+		super(STEP_NAME);
-		this.factor = factor;
+	}
+	
+	public UnitXCTypeMultiplyConverterStep(double factor) {
+		this();
+		setFactor(factor);
+	}
+	
+	@Override
+	protected AbstractUnitXConverterStep createClone() {
+		return new UnitXCTypeMultiplyConverterStep(getFactor());
 	}
 	
 	@Override
@@ -45,7 +57,21 @@ public class UnitXCTypeMultiplyConverterStep extends AbstractUnitXConverterStep
 	}
 	
 	@Override
-	public String getMathExpression() {
+	protected String toMath() {
 		return "*"+factor;
 	}
+	
+	/**
+	 * @return the factor
+	 */
+	public double getFactor() {
+		return factor;
+	}
+	
+	/**
+	 * @param factor the factor to set
+	 */
+	public void setFactor(double factor) {
+		this.factor = factor;
+	}
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/converter/step/UnitXCTypeMultiplyFractionConverterStep.java

@@ -23,6 +23,8 @@
 
 package net.forwardfire.unitxc.converter.step;
 
+import javax.xml.bind.annotation.XmlRootElement;
+
 import org.apache.commons.lang3.Validate;
 import org.apache.commons.lang3.math.Fraction;
 
@@ -32,12 +34,31 @@ import org.apache.commons.lang3.math.Fraction;
  * @author Willem Cazander
  * @version 1.0 Oct 20, 2015
  */
+@XmlRootElement
 public class UnitXCTypeMultiplyFractionConverterStep extends AbstractUnitXConverterStep {
 
 	private final static String STEP_NAME = "MultiplyFaction";
-	private final Fraction fraction;
+	//private Fraction fraction;
-	private final String fractionMath;
+	//private final String fractionMath;
+	private int numerator;
+	private int denominator;
 	
+	public UnitXCTypeMultiplyFractionConverterStep() {
+		super(STEP_NAME);
+	}
+	
+	public UnitXCTypeMultiplyFractionConverterStep(int numerator,int denominator) {
+		this();
+		setNumerator(numerator);
+		setDenominator(denominator);
+	}
+	
+	@Override
+	protected AbstractUnitXConverterStep createClone() {
+		return new UnitXCTypeMultiplyFractionConverterStep(getNumerator(),getDenominator());
+	}
+	
+	/*
 	public UnitXCTypeMultiplyFractionConverterStep(int numerator,int denominator,String stepReason) {
 		this(Fraction.getFraction(numerator, denominator),stepReason);
 	}
@@ -47,14 +68,44 @@ public class UnitXCTypeMultiplyFractionConverterStep extends AbstractUnitXConver
 		this.fraction = Validate.notNull(fraction);
 		this.fractionMath = String.format("*(%1s/%2s)", fraction.getNumerator(),fraction.getDenominator());
 	}
-	
+	*/
 	@Override
 	public double convert(double value) {
-		return value*fraction.doubleValue();
+		//return value*fraction.doubleValue();
+		return value*(numerator/denominator);
 	}
 	
 	@Override
-	public String getMathExpression() {
+	protected String toMath() {
-		return fractionMath;
+		//return String.format("*(%1s/%2s)", fraction.getNumerator(),fraction.getDenominator());
+		return String.format("*(%1s/%2s)", numerator,denominator);
+	}
+
+	/**
+	 * @return the numerator
+	 */
+	public int getNumerator() {
+		return numerator;
+	}
+
+	/**
+	 * @param numerator the numerator to set
+	 */
+	public void setNumerator(int numerator) {
+		this.numerator = numerator;
+	}
+
+	/**
+	 * @return the denominator
+	 */
+	public int getDenominator() {
+		return denominator;
+	}
+
+	/**
+	 * @param denominator the denominator to set
+	 */
+	public void setDenominator(int denominator) {
+		this.denominator = denominator;
 	}
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/converter/step/UnitXCTypeOffsetConverterStep.java

@@ -23,22 +23,34 @@
 
 package net.forwardfire.unitxc.converter.step;
 
+import javax.xml.bind.annotation.XmlRootElement;
+
 /**
  * 
  * 
  * @author Willem Cazander
  * @version 1.0 Oct 17, 2015
  */
+@XmlRootElement
 public class UnitXCTypeOffsetConverterStep extends AbstractUnitXConverterStep {
 
 	private final static String STEP_NAME = "Offset";
-	private final double offset;
+	private double offset;
-	private final boolean offsetPositive;
+	private boolean offsetPositive;
 	
-	public UnitXCTypeOffsetConverterStep(double offset,boolean offsetPositive,String stepReason) {
+	public UnitXCTypeOffsetConverterStep() {
-		super(STEP_NAME,stepReason);
+		super(STEP_NAME);
-		this.offset = offset;
+	}
-		this.offsetPositive = offsetPositive;
+	
+	public UnitXCTypeOffsetConverterStep(double offset,boolean offsetPositive) {
+		this();
+		setOffset(offset);
+		setOffsetPositive(offsetPositive);
+	}
+	
+	@Override
+	protected AbstractUnitXConverterStep createClone() {
+		return new UnitXCTypeOffsetConverterStep(getOffset(),isOffsetPositive());
 	}
 	
 	@Override
@@ -51,11 +63,42 @@ public class UnitXCTypeOffsetConverterStep extends AbstractUnitXConverterStep {
 	}
 	
 	@Override
-	public String getMathExpression() {
+	protected String toMath() {
 		if (offsetPositive) {
 			return "+"+offset;
 		} else {
 			return "-"+offset;
 		}
 	}
+
+	/**
+	 * @return the offset
+	 */
+	public double getOffset() {
+		return offset;
+	}
+
+	/**
+	 * @param offset the offset to set
+	 */
+	public void setOffset(double offset) {
+		this.offset = offset;
+	}
+
+	/**
+	 * @return the offsetPositive
+	 */
+	public boolean isOffsetPositive() {
+		return offsetPositive;
+	}
+
+	/**
+	 * @param offsetPositive the offsetPositive to set
+	 */
+	public void setOffsetPositive(boolean offsetPositive) {
+		this.offsetPositive = offsetPositive;
+	}
+	
+	
+	
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/converter/step/UnitXCTypePowerConverterStep.java

@@ -23,29 +23,55 @@
 
 package net.forwardfire.unitxc.converter.step;
 
+import javax.xml.bind.annotation.XmlRootElement;
+
 /**
  * 
  * 
  * @author Willem Cazander
  * @version 1.0 Oct 26, 2015
  */
+@XmlRootElement
 public class UnitXCTypePowerConverterStep extends AbstractUnitXConverterStep {
 
 	private final static String STEP_NAME = "power";
-	private final int exponent;
+	private int exponent;
 	
-	public UnitXCTypePowerConverterStep(int exponent,String stepReason) {
+	public UnitXCTypePowerConverterStep() {
-		super(STEP_NAME,stepReason);
+		super(STEP_NAME);
-		this.exponent = exponent;
+	}
+	
+	public UnitXCTypePowerConverterStep(int exponent) {
+		this();
+		setExponent(exponent);
 	}
 	
 	@Override
-	public String getMathExpression() {
+	protected AbstractUnitXConverterStep createClone() {
-		return "^"+exponent;
+		return new UnitXCTypePowerConverterStep(getExponent());
 	}
 	
 	@Override
 	public double convert(double value) {
 		return Math.pow(value, exponent);
 	}
+	
+	@Override
+	protected String toMath() {
+		return "/"+exponent;
+	}
+	
+	/**
+	 * @return the exponent
+	 */
+	public int getExponent() {
+		return exponent;
+	}
+	
+	/**
+	 * @param exponent the exponent to set
+	 */
+	public void setExponent(int exponent) {
+		this.exponent = exponent;
+	}
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/converter/step/UnitXCTypePowerOfTenConverterStep.java

@@ -23,39 +23,51 @@
 
 package net.forwardfire.unitxc.converter.step;
 
+import javax.xml.bind.annotation.XmlRootElement;
+
 /**
  * 
  * 
  * @author Willem Cazander
  * @version 1.0 Oct 17, 2015
  */
+@XmlRootElement
 public class UnitXCTypePowerOfTenConverterStep extends AbstractUnitXConverterStep {
 
 	private final static String STEP_NAME = "power(10)";
-	private final int exponent;
+	private int exponent;
-	private final int exponentShift;
+	private boolean exponentReverse;
-	private final boolean exponentReverse;
 	
-	public UnitXCTypePowerOfTenConverterStep(int factor,boolean factorReverse,String stepReason) {
+	public UnitXCTypePowerOfTenConverterStep() {
-		super(STEP_NAME,stepReason);
+		super(STEP_NAME);
-		this.exponent = factor;
+	}
-		this.exponentReverse = factorReverse;
+	
-		this.exponentShift = factor<0?0-factor:factor;
+	public UnitXCTypePowerOfTenConverterStep(int exponent,boolean exponentReverse) {
+		this();
+		setExponent(exponent);
+		setExponentReverse(exponentReverse);
 	}
 	
 	@Override
-	public String getMathExpression() {
+	protected AbstractUnitXConverterStep createClone() {
-		return "*10^"+exponent;
+		return new UnitXCTypePowerOfTenConverterStep(getExponent(),isExponentReverse());
 	}
 	
 	@Override
 	public double convert(double value) {
+		int exponentShift = exponent<0?0-exponent:exponent;
 		for (int i=0;i<exponentShift;i++) {
 			value = shiftDotStatic(value,exponentReverse?!(exponent>0):exponent>0);
 		}
 		return value;
 	}
 	
+	
+	@Override
+	protected String toMath() {
+		return "*10^"+exponent;
+	}
+	
 	private double shiftDotStatic(double value,boolean up) {
 		String valueStr = ""+value;
 		int dotIdx = valueStr.indexOf('.');
@@ -71,4 +83,34 @@ public class UnitXCTypePowerOfTenConverterStep extends AbstractUnitXConverterSte
 		Double result = new Double(buf.toString());
 		return result.doubleValue();
 	}
+
+	/**
+	 * @return the exponent
+	 */
+	public int getExponent() {
+		return exponent;
+	}
+
+	/**
+	 * @param exponent the exponent to set
+	 */
+	public void setExponent(int exponent) {
+		this.exponent = exponent;
+	}
+
+	/**
+	 * @return the exponentReverse
+	 */
+	public boolean isExponentReverse() {
+		return exponentReverse;
+	}
+
+	/**
+	 * @param exponentReverse the exponentReverse to set
+	 */
+	public void setExponentReverse(boolean exponentReverse) {
+		this.exponentReverse = exponentReverse;
+	}
+	
+	
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/converter/step/UnitXConverterStep.java

@@ -31,15 +31,17 @@ import java.util.List;
  * @author Willem Cazander
  * @version 1.0 Oct 10, 2015
  */
-public interface UnitXConverterStep {
+public interface UnitXConverterStep extends Cloneable {
 
-	String getStepName();
+	String getName();
 	
 	List<String> getStepReasons();
 	
-	void addStepReason(String stepReason);
+	void addStepReason(String stepReason); // TODO: rm : fix builder
 	
 	String getMathExpression();
 	
 	double convert(double value);
+	
+	UnitXConverterStep clone();
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/model/ModelXMLInfoSet.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2013-2015, Willem Cazander
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are permitted provided
+ * that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this list of conditions and the
+ *   following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
+ *   the following disclaimer in the documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.forwardfire.unitxc.model;
+
+/**
+ * ModelXMLInfoSet has all jaxb meta info.
+ * 
+ * @author Willem Cazander
+ * @version 1.0 Jan 16, 2015
+ */
+public class ModelXMLInfoSet {
+	
+	protected static final String XML_ENCODING = "UTF-8";
+	
+	protected ModelXMLInfoSet() {
+	}
+	
+	protected static class Meta {
+		protected static final boolean REQUIRED = true;
+		protected Meta() {
+		}
+	}
+	
+	public static class Element {
+		protected static final String DESCRIPTION = "description";
+		protected static final String CONVERTER_RESULT = "converterResult";
+		protected static final String CONVERTER_RESULT_STEP = "converterResultStep";
+		protected static final String START_VALUE_TYPE = "startValueType";
+		protected static final String RESULT_VALUE_TYPE = "resultValueType";
+		protected static final String DERIVED_FROM = "derivedFrom";
+		protected static final String TYPE_FLAG = "typeFlag";
+		protected static final String TYPE_FLAGS = "typeFlags";
+		protected static final String WEBSITE_LINK = "websiteLink";
+		protected static final String WEBSITE_LINKS = "websiteLinks";
+		public static final String STEP_REASON = "stepReason";
+		public static final String STEP_REASONS = "stepReasons";
+		
+		protected Element() {
+		}
+	}
+	
+	public static class Attribute {
+		protected static final String ID = "id";
+		public static final String NAME = "name";
+		protected static final String NAME_PLURAL = "namePlural";
+		
+		protected static final String START_VALUE = "startValue";
+		protected static final String RESULT_VALUE = "resultValue";
+		protected static final String CONVERT_TIME = "convertTime";
+		
+		protected static final String BASE_TYPE_ID = "baseTypeId";
+		protected static final String GROUP_LEVEL = "groupLevel";
+		
+		protected static final String ALIAS_OF_TYPE = "aliasOfType";
+		protected static final String UNIT_GROUP_ID = "unitGroupId";
+		
+		
+		protected Attribute() {
+		}
+	}
+}

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/model/ModelXMLMarshaller.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2013-2015, Willem Cazander
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are permitted provided
+ * that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this list of conditions and the
+ *   following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
+ *   the following disclaimer in the documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.forwardfire.unitxc.model;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Marshaller;
+import javax.xml.bind.Unmarshaller;
+
+import org.apache.commons.lang3.Validate;
+
+import net.forwardfire.unitxc.converter.step.UnitXCTypeDevideConverterStep;
+import net.forwardfire.unitxc.converter.step.UnitXCTypeMultiplyConverterStep;
+import net.forwardfire.unitxc.converter.step.UnitXCTypeMultiplyFractionConverterStep;
+import net.forwardfire.unitxc.converter.step.UnitXCTypeOffsetConverterStep;
+import net.forwardfire.unitxc.converter.step.UnitXCTypePowerConverterStep;
+import net.forwardfire.unitxc.converter.step.UnitXCTypePowerOfTenConverterStep;
+
+/**
+ * Jaxb marshaller of the query sets.
+ * 
+ * @author Willem Cazander
+ * @version 1.0 Jan 14, 2015
+ */
+public class ModelXMLMarshaller {
+
+	private final JAXBContext jaxbContext;
+	
+	/**
+	 * Creates a query set xml marshaller.
+	 * @throws JAXBException	When context could not be build.
+	 */
+	public ModelXMLMarshaller() throws JAXBException {
+		this(JAXBContext.newInstance(UnitXConverterResult.class,
+				UnitXCTypeDevideConverterStep.class,
+				UnitXCTypeMultiplyConverterStep.class,
+				UnitXCTypeMultiplyFractionConverterStep.class,
+				UnitXCTypeOffsetConverterStep.class,
+				UnitXCTypePowerConverterStep.class,
+				UnitXCTypePowerOfTenConverterStep.class
+			));
+	}
+	
+	/**
+	 * Creates a query set xml marshaller. 
+	 * @param querySetContext	The jaxb query set context.
+	 */
+	public ModelXMLMarshaller(JAXBContext querySetContext) {
+		this.jaxbContext = Validate.notNull(querySetContext,"querySetContext is null.");
+	}
+	
+	/**
+	 * Marshal the UnitXConverterResult to xml.
+	 * @param querySet	The UnitXConverterResult to marshal.
+	 * @param output	The xml output of the query set.
+	 * @throws JAXBException	When error.
+	 */
+	public void marshal(UnitXConverterResult converterResult, OutputStream output) throws JAXBException {
+		Validate.notNull(converterResult,"converterResult is null.");
+		Validate.notNull(output,"OutputStream is null.");
+		
+		Marshaller marshaller = jaxbContext.createMarshaller();
+		marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
+		marshaller.setProperty(Marshaller.JAXB_ENCODING, ModelXMLInfoSet.XML_ENCODING);
+		marshaller.marshal(converterResult, output);
+	}
+	
+	/**
+	 * Unmarshals xml to UnitXConverterResult objects.
+	 * @param input	The xml input stream.
+	 * @return	The UnitXConverterResult.
+	 * @throws JAXBException	When error.
+	 */
+	public UnitXConverterResult unmarshal(InputStream input) throws JAXBException {
+		Validate.notNull(input,"InputStream is null.");
+		
+		Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
+		return (UnitXConverterResult) unmarshaller.unmarshal(input);
+	}
+}

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/model/UnitXCGroup.java

@@ -23,7 +23,13 @@
 
 package net.forwardfire.unitxc.model;
 
-import java.util.Collection;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlElement;
+
+import org.apache.commons.lang3.Validate;
 
 /**
  * The unit group. 
@@ -31,26 +37,123 @@ import java.util.Collection;
  * @author Willem Cazander
  * @version 1.0 Oct 10, 2015
  */
-public interface UnitXCGroup {
+public class UnitXCGroup {
+	
+	private String id;
+	private String name;
+	private String description;
+	private String baseTypeId;
+	private UnitXCGroupLevel groupLevel;
+	private final List<String> derivedFrom;
+	
+	public UnitXCGroup() {
+		derivedFrom = new ArrayList<>();
+	}
+	
+	public UnitXCGroup(String id,String name,String description,String baseTypeId) {
+		this();
+		setId(id);
+		setName(name);
+		setDescription(description);
+		setBaseTypeId(baseTypeId);
+	}
+	
+	public UnitXCGroup validate() {
+		Validate.notBlank(id,"The id is blank");
+		Validate.notBlank(name,"The name is blank");
+		Validate.notBlank(description,"The description is blank");
+		Validate.notBlank(baseTypeId,"The baseTypeId is blank");
+		Validate.notNull(groupLevel,"The groupLevel is null");
+		return this;
+	}
 	
 	/**
-	 * @return	The unit group id.
+	 * @return the id
 	 */
-	String getId();
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.ID)
+	public String getId() {
+		return id;
+	}
+	/**
+	 * @param id the id to set
+	 */
+	public void setId(String id) {
+		this.id = id;
+	}
 	
 	/**
-	 * @return	The unit group name.
+	 * @return the name
 	 */
-	String getName();
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.NAME)
+	public String getName() {
+		return name;
+	}
 	
 	/**
-	 * @return	The unit group description.
+	 * @param name the name to set
 	 */
-	String getDescription();
+	public void setName(String name) {
+		this.name = name;
+	}
 	
-	UnitXCGroupType getType();
+	/**
+	 * @return the description
+	 */
+	@XmlElement(name=ModelXMLInfoSet.Element.DESCRIPTION)
+	public String getDescription() {
+		return description;
+	}
 	
-	String getBaseTypeId();
+	/**
+	 * @param description the description to set
+	 */
+	public void setDescription(String description) {
+		this.description = description;
+	}
 	
-	Collection<String> getDerivedFromIds();
+	/**
+	 * @return the baseTypeId
+	 */
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.BASE_TYPE_ID)
+	public String getBaseTypeId() {
+		return baseTypeId;
+	}
+	
+	/**
+	 * @param baseTypeId the baseTypeId to set
+	 */
+	public void setBaseTypeId(String baseTypeId) {
+		this.baseTypeId = baseTypeId;
+	}
+	
+	/**
+	 * @return the groupLevel
+	 */
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.GROUP_LEVEL)
+	public UnitXCGroupLevel getGroupLevel() {
+		return groupLevel;
+	}
+	
+	/**
+	 * @param groupLevel the groupLevel to set
+	 */
+	public void setGroupLevel(UnitXCGroupLevel groupLevel) {
+		this.groupLevel = groupLevel;
+	}
+	
+	/**
+	 * @return the derivedFrom
+	 */
+	@XmlElement(name=ModelXMLInfoSet.Element.DERIVED_FROM)
+	public List<String> getDerivedFrom() {
+		return derivedFrom;
+	}
+	
+	/**
+	 * @param derivedFrom the derivedFrom to set
+	 */
+	public void setDerivedFrom(List<String> derivedFrom) {
+		this.derivedFrom.clear();
+		this.derivedFrom.addAll(derivedFrom);
+	}
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/model/UnitXCGroupLevel.java

@@ -6,7 +6,7 @@ package net.forwardfire.unitxc.model;
  * @author Willem Cazander
  * @version 1.0 Oct 26, 2015
  */
-public enum UnitXCGroupType {
+public enum UnitXCGroupLevel {
 
 	SI_BASE,
 	SI_DERIVED

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/model/UnitXCGroupModel.java

@@ -1,151 +0,0 @@
-/*
- * Copyright (c) 2013-2015, Willem Cazander
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are permitted provided
- * that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright notice, this list of conditions and the
- *   following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
- *   the following disclaimer in the documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-package net.forwardfire.unitxc.model;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-
-import org.apache.commons.lang3.Validate;
-
-/**
- * 
- * 
- * @author Willem Cazander
- * @version 1.0 Oct 17, 2015
- */
-public class UnitXCGroupModel implements UnitXCGroup {
-
-	private String id;
-	private String name;
-	private String description;
-	private String baseTypeId;
-	private UnitXCGroupType type;
-	private final List<String> derivedFrom;
-	
-	public UnitXCGroupModel() {
-		derivedFrom = new ArrayList<>();
-	}
-	
-	public UnitXCGroupModel(String id,String name,String description,String baseTypeId) {
-		this();
-		setId(id);
-		setName(name);
-		setDescription(description);
-		setBaseTypeId(baseTypeId);
-	}
-	
-	public UnitXCGroupModel validate() {
-		Validate.notBlank(id,"The id is blank");
-		Validate.notBlank(name,"The name is blank");
-		Validate.notBlank(description,"The description is blank");
-		Validate.notBlank(baseTypeId,"The baseTypeId is blank");
-		Validate.notNull(type,"The type is null");
-		return this;
-	}
-	
-	/**
-	 * @return the id
-	 */
-	@Override
-	public String getId() {
-		return id;
-	}
-	
-	/**
-	 * @param id the id to set
-	 */
-	public void setId(String id) {
-		this.id = id;
-	}
-	
-	/**
-	 * @return the name
-	 */
-	@Override
-	public String getName() {
-		return name;
-	}
-	
-	/**
-	 * @param name the name to set
-	 */
-	public void setName(String name) {
-		this.name = name;
-	}
-	
-	/**
-	 * @return the description
-	 */
-	@Override
-	public String getDescription() {
-		return description;
-	}
-	
-	/**
-	 * @param description the description to set
-	 */
-	public void setDescription(String description) {
-		this.description = description;
-	}
-	
-	/**
-	 * @return the baseTypeId
-	 */
-	@Override
-	public String getBaseTypeId() {
-		return baseTypeId;
-	}
-	
-	/**
-	 * @param baseTypeId the baseTypeId to set
-	 */
-	public void setBaseTypeId(String baseTypeId) {
-		this.baseTypeId = baseTypeId;
-	}
-	
-	/**
-	 * @return the type
-	 */
-	@Override
-	public UnitXCGroupType getType() {
-		return type;
-	}
-
-	/**
-	 * @param type the type to set
-	 */
-	public void setType(UnitXCGroupType type) {
-		this.type = type;
-	}
-	
-	@Override
-	public Collection<String> getDerivedFromIds() {
-		return derivedFrom;
-	}
-	
-	public void addDerivedFrom(String id) {
-		derivedFrom.add(id);
-	}
-}

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/model/UnitXCType.java

@@ -23,7 +23,18 @@
 
 package net.forwardfire.unitxc.model;
 
-import java.util.Collection;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.xml.bind.annotation.XmlAnyElement;
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlTransient;
+
+import org.apache.commons.lang3.Validate;
+
+import net.forwardfire.unitxc.converter.step.UnitXConverterStep;
 
 /**
  * The unit type.
@@ -31,24 +42,172 @@ import java.util.Collection;
  * @author Willem Cazander
  * @version 1.0 Oct 10, 2015
  */
-public interface UnitXCType {
+public class UnitXCType {
+	
+	private String id;
+	private String name;
+	private String namePlural;
+	private String aliasOfType;
+	private String unitGroupId;
+	private final List<UnitXConverterStep> toBaseConverterSteps;
+	private final List<UnitXConverterStep> fromBaseConverterSteps;
+	private final List<String> typeFlags;
+	private final List<String> websiteLinks;
+	
+	public UnitXCType() {
+		typeFlags = new ArrayList<>();
+		websiteLinks = new ArrayList<>();
+		toBaseConverterSteps = new ArrayList<>();
+		fromBaseConverterSteps = new ArrayList<>();
+	}
+	
+	public UnitXCType validate() {
+		Validate.notBlank(id,"The id is blank");
+		Validate.notBlank(name,"The name is blank of: "+id);
+		Validate.notBlank(namePlural,"The namePlural is blank of: "+id);
+		Validate.notBlank(unitGroupId,"The unitGroupId is blank of: "+id);
+		return this;
+	}
 	
 	/**
-	 * @return	The unit type id.
+	 * @return the id
 	 */
-	String getId();
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.ID)
+	public String getId() {
+		return id;
+	}
+	/**
+	 * @param id the id to set
+	 */
+	public void setId(String id) {
+		this.id = id;
+	}
 	
 	/**
-	 * @return	The unit type name.
+	 * @return the name
 	 */
-	String getName();
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.NAME)
-	
+	public String getName() {
-	Collection<String> getNameAliases();
+		return name;
-	
+	}
-	String getUnitGroupId();
 	
 	/**
-	 * @return	The unit type flags.
+	 * @param name the name to set
 	 */
-	Collection<String> getTypeFlags();
+	public void setName(String name) {
+		this.name = name;
+	}
+	
+	/**
+	 * @return the namePlural
+	 */
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.NAME_PLURAL)
+	public String getNamePlural() {
+		return namePlural;
+	}
+	
+	/**
+	 * @param namePlural the namePlural to set
+	 */
+	public void setNamePlural(String namePlural) {
+		this.namePlural = namePlural;
+	}
+	
+	/**
+	 * @return the aliasOfType
+	 */
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.ALIAS_OF_TYPE)
+	public String getAliasOfType() {
+		return aliasOfType;
+	}
+	
+	/**
+	 * @param aliasOfType the aliasOfType to set
+	 */
+	public void setAliasOfType(String aliasOfType) {
+		this.aliasOfType = aliasOfType;
+	}
+	
+	/**
+	 * @return the unitGroupId
+	 */
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.UNIT_GROUP_ID)
+	public String getUnitGroupId() {
+		return unitGroupId;
+	}
+	
+	/**
+	 * @param unitGroupId the unitGroupId to set
+	 */
+	public void setUnitGroupId(String unitGroupId) {
+		this.unitGroupId = unitGroupId;
+	}
+	
+	/**
+	 * @return the toBaseConverterSteps
+	 */
+	@XmlElementWrapper
+	@XmlAnyElement
+	public List<UnitXConverterStep> getToBaseConverterSteps() {
+		return toBaseConverterSteps;
+	}
+	
+	/**
+	 * @param toBaseConverterSteps the toBaseConverterSteps to set
+	 */
+	public void setToBaseConverterSteps(List<UnitXConverterStep> toBaseConverterSteps) {
+		this.toBaseConverterSteps.clear();
+		this.toBaseConverterSteps.addAll(toBaseConverterSteps);
+	}
+	
+	/**
+	 * @return the fromBaseConverterSteps
+	 */
+	@XmlElementWrapper
+	@XmlAnyElement
+	public List<UnitXConverterStep> getFromBaseConverterSteps() {
+		return fromBaseConverterSteps;
+	}
+	
+	/**
+	 * @param fromBaseConverterSteps the fromBaseConverterSteps to set
+	 */
+	public void setFromBaseConverterSteps(List<UnitXConverterStep> fromBaseConverterSteps) {
+		this.fromBaseConverterSteps.clear();
+		this.fromBaseConverterSteps.addAll(fromBaseConverterSteps);
+	}
+	
+	/**
+	 * @return the typeFlags
+	 */
+	@XmlElement(name=ModelXMLInfoSet.Element.TYPE_FLAG)
+	@XmlElementWrapper(name=ModelXMLInfoSet.Element.TYPE_FLAGS)
+	public List<String> getTypeFlags() {
+		return typeFlags;
+	}
+	
+	/**
+	 * @param typeFlags the typeFlags to set
+	 */
+	public void setTypeFlags(List<String> typeFlags) {
+		this.typeFlags.clear();
+		this.typeFlags.addAll(typeFlags);
+	}
+	
+	/**
+	 * @return the websiteLinks
+	 */
+	@XmlElement(name=ModelXMLInfoSet.Element.WEBSITE_LINK)
+	@XmlElementWrapper(name=ModelXMLInfoSet.Element.WEBSITE_LINKS)
+	public List<String> getWebsiteLinks() {
+		return websiteLinks;
+	}
+	
+	/**
+	 * @param websiteLinks the websiteLinks to set
+	 */
+	public void setWebsiteLinks(List<String> websiteLinks) {
+		this.websiteLinks.clear();
+		this.websiteLinks.addAll(websiteLinks);
+	}
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/model/UnitXCTypeModel.java

@@ -1,142 +0,0 @@
-/*
- * Copyright (c) 2013-2015, Willem Cazander
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are permitted provided
- * that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright notice, this list of conditions and the
- *   following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
- *   the following disclaimer in the documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-package net.forwardfire.unitxc.model;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-
-import org.apache.commons.lang3.Validate;
-
-import net.forwardfire.unitxc.converter.step.UnitXConverterStep;
-
-/**
- * 
- * 
- * @author Willem Cazander
- * @version 1.0 Oct 17, 2015
- */
-public class UnitXCTypeModel implements UnitXCType {
-
-	private String id;
-	private String name;
-	private String unitGroupId;
-	private final List<UnitXConverterStep> toBaseConverterSteps;
-	private final List<UnitXConverterStep> fromBaseConverterSteps;
-	private final List<String> typeFlags;
-	private final List<String> nameAliases;
-	
-	public UnitXCTypeModel() {
-		typeFlags = new ArrayList<>();
-		nameAliases = new ArrayList<>();
-		toBaseConverterSteps = new ArrayList<>();
-		fromBaseConverterSteps = new ArrayList<>();
-	}
-	
-	public UnitXCTypeModel validate() {
-		Validate.notBlank(id,"The id is blank");
-		Validate.notBlank(name,"The name is blank");
-		Validate.notBlank(unitGroupId,"The unitGroupId is blank");
-		return this;
-	}
-	
-	/**
-	 * @return the id
-	 */
-	@Override
-	public String getId() {
-		return id;
-	}
-	
-	/**
-	 * @param id the id to set
-	 */
-	public void setId(String id) {
-		this.id = id;
-	}
-	
-	/**
-	 * @return the name
-	 */
-	@Override
-	public String getName() {
-		return name;
-	}
-	
-	/**
-	 * @param name the name to set
-	 */
-	public void setName(String name) {
-		this.name = name;
-	}
-	
-	/**
-	 * @return the unitGroupId
-	 */
-	@Override
-	public String getUnitGroupId() {
-		return unitGroupId;
-	}
-	
-	/**
-	 * @param unitGroupId the unitGroupId to set
-	 */
-	public void setUnitGroupId(String unitGroupId) {
-		this.unitGroupId = unitGroupId;
-	}
-	
-	public List<UnitXConverterStep> getToBaseConverterSteps() {
-		return toBaseConverterSteps;
-	}
-	
-	public void addToBaseConverterStep(UnitXConverterStep unitTypeConverter) {
-		toBaseConverterSteps.add(Validate.notNull(unitTypeConverter));
-	}
-	
-	public List<UnitXConverterStep> getFromBaseConverterSteps() {
-		return fromBaseConverterSteps;
-	}
-	
-	public void addFromBaseConverterStep(UnitXConverterStep unitTypeConverter) {
-		fromBaseConverterSteps.add(Validate.notNull(unitTypeConverter));
-	}
-	
-	@Override
-	public Collection<String> getTypeFlags() {
-		return typeFlags;
-	}
-	
-	public void addTypeFlag(String flag) {
-		typeFlags.add(flag);
-	}
-	
-	@Override
-	public Collection<String> getNameAliases() {
-		return nameAliases;
-	}
-	
-	public void addNameAlias(String nameAlias) {
-		nameAliases.add(nameAlias);
-	}
-}

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/model/UnitXConverterResult.java

@@ -25,41 +25,113 @@ package net.forwardfire.unitxc.model;
 
 import java.util.List;
 
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlRootElement;
+
 /**
  * Holds the convert result and meta steps how we got there.
  * 
  * @author Willem Cazander
  * @version 1.0 Oct 17, 2015
  */
-public interface UnitXConverterResult {
+@XmlRootElement(name=ModelXMLInfoSet.Element.CONVERTER_RESULT)
+public class UnitXConverterResult {
+	
+	private Double startValue;
+	private List<UnitXConverterResultStep> resultSteps;
+	private Double resultValue;
+	private Long convertTime;
+	private UnitXCType startValueType;
+	private UnitXCType resultValueType;
 	
 	/**
-	 * @return	The start value.
+	 * @return the startValue
 	 */
-	Double getStartValue();
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.START_VALUE)
+	public Double getStartValue() {
+		return startValue;
+	}
 	
 	/**
-	 * @return	The start value type.
+	 * @param startValue the startValue to set
 	 */
-	UnitXCType getStartValueType();
+	public void setStartValue(Double startValue) {
+		this.startValue = startValue;
+	}
 	
 	/**
-	 * @return	The result value.
+	 * @return the resultSteps
 	 */
-	Double getResultValue();
+	@XmlElement(name=ModelXMLInfoSet.Element.CONVERTER_RESULT_STEP)
+	public List<UnitXConverterResultStep> getResultSteps() {
+		return resultSteps;
+	}
 	
 	/**
-	 * @return	The result value type.
+	 * @param resultSteps the resultSteps to set
 	 */
-	UnitXCType getResultValueType();
+	public void setResultSteps(List<UnitXConverterResultStep> resultSteps) {
+		this.resultSteps = resultSteps;
+	}
 	
 	/**
-	 * @return	The convert steps performed to get to result value.
+	 * @return the resultValue
 	 */
-	List<UnitXConverterResultStep> getSteps();
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.RESULT_VALUE)
+	public Double getResultValue() {
+		return resultValue;
+	}
 	
 	/**
-	 * @return	The convert time in ms.
+	 * @param resultValue the resultValue to set
 	 */
-	Long getConvertTime();
+	public void setResultValue(Double resultValue) {
+		this.resultValue = resultValue;
+	}
+	
+	/**
+	 * @return the convertTime
+	 */
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.CONVERT_TIME)
+	public Long getConvertTime() {
+		return convertTime;
+	}
+	
+	/**
+	 * @param convertTime the convertTime to set
+	 */
+	public void setConvertTime(Long convertTime) {
+		this.convertTime = convertTime;
+	}
+	
+	/**
+	 * @return the startValueType
+	 */
+	@XmlElement(name=ModelXMLInfoSet.Element.START_VALUE_TYPE)
+	public UnitXCType getStartValueType() {
+		return startValueType;
+	}
+	
+	/**
+	 * @param startValueType the startValueType to set
+	 */
+	public void setStartValueType(UnitXCType startValueType) {
+		this.startValueType = startValueType;
+	}
+	
+	/**
+	 * @return the resultValueType
+	 */
+	@XmlElement(name=ModelXMLInfoSet.Element.RESULT_VALUE_TYPE)
+	public UnitXCType getResultValueType() {
+		return resultValueType;
+	}
+	
+	/**
+	 * @param resultValueType the resultValueType to set
+	 */
+	public void setResultValueType(UnitXCType resultValueType) {
+		this.resultValueType = resultValueType;
+	}
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/model/UnitXConverterResultStep.java

@@ -23,19 +23,78 @@
 
 package net.forwardfire.unitxc.model;
 
+import javax.xml.bind.annotation.XmlAttribute;
+
 /**
  * 
  * 
  * @author Willem Cazander
  * @version 1.0 Oct 17, 2015
  */
-public interface UnitXConverterResultStep {
+public class UnitXConverterResultStep {
 	
-	String getName();
+	private String name;
+	private Double startValue;
+	private Double resultValue;
+	private Long convertTime;
 	
-	Double getInputValue();
+	/**
+	 * @return the name
+	 */
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.NAME)
+	public String getName() {
+		return name;
+	}
 	
-	Double getOutputValue();
+	/**
+	 * @param name the name to set
+	 */
+	public void setName(String name) {
+		this.name = name;
+	}
 	
-	Long getConvertTime();
+	/**
+	 * @return the startValue
+	 */
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.START_VALUE)
+	public Double getStartValue() {
+		return startValue;
+	}
+	
+	/**
+	 * @param startValue the startValue to set
+	 */
+	public void setStartValue(Double startValue) {
+		this.startValue = startValue;
+	}
+	
+	/**
+	 * @return the resultValue
+	 */
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.RESULT_VALUE)
+	public Double getResultValue() {
+		return resultValue;
+	}
+	
+	/**
+	 * @param resultValue the resultValue to set
+	 */
+	public void setResultValue(Double resultValue) {
+		this.resultValue = resultValue;
+	}
+	
+	/**
+	 * @return the convertTime
+	 */
+	@XmlAttribute(name=ModelXMLInfoSet.Attribute.CONVERT_TIME)
+	public Long getConvertTime() {
+		return convertTime;
+	}
+	
+	/**
+	 * @param convertTime the convertTime to set
+	 */
+	public void setConvertTime(Long convertTime) {
+		this.convertTime = convertTime;
+	}
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/module/UnitXCModuleArea.java

@@ -23,8 +23,9 @@
 
 package net.forwardfire.unitxc.module;
 
+import static net.forwardfire.unitxc.config.UnitXCConfigModule.buildFlag;
 import static net.forwardfire.unitxc.config.builder.UnitXCNumberTypeSetting.toSuperScript;
-import static net.forwardfire.unitxc.model.UnitXCGroupType.SI_DERIVED;
+import static net.forwardfire.unitxc.model.UnitXCGroupLevel.SI_DERIVED;
 
 import net.forwardfire.unitxc.config.UnitXCConfigModule;
 import net.forwardfire.unitxc.config.builder.UnitXCConfigBuilder;
@@ -46,10 +47,25 @@ public class UnitXCModuleArea implements UnitXCConfigModule {
 	public static final String GROUP_DESCRIPTION  = "It is defined as the area of a square whose sides measure exactly one metre. The square metre is derived from the SI base unit of the metre,";
 	public static final String GROUP_BASE_TYPE_ID  = UnitXCModuleLength.TYPE_METRE_ID+UNIT_ID_POSTFIX;
 	
+	public static final String TYPE_CENTIARE_ALIAS  = "m²";
+	public static final String TYPE_CENTIARE_ID  = "ca";
+	public static final String TYPE_CENTIARE_NAME  = "centiare";
+	public static final String TYPE_CENTIARE_URL  = "https://en.wikipedia.org/wiki/Hectare#Centiare";
+	
+	public static final String TYPE_ARE_ALIAS  = "dam²";
+	public static final String TYPE_ARE_ID  = "a";
+	public static final String TYPE_ARE_NAME  = "are";
+	public static final String TYPE_ARE_URL  = "https://en.wikipedia.org/wiki/Hectare#Are";
+	
+	public static final String TYPE_HECTARE_ALIAS  = "hm²";
+	public static final String TYPE_HECTARE_ID  = "ha";
+	public static final String TYPE_HECTARE_NAME  = "hectare";
+	public static final String TYPE_HECTARE_URL  = "https://en.wikipedia.org/wiki/Hectare";
+	
 	@Override
 	public void configModule(UnitXCConfigBuilder builder) {
 		builder.createUnitGroup()
-			.setType(         SI_DERIVED)
+			.setGroupLevel(   SI_DERIVED)
 			.setId(           GROUP_ID)
 			.setName(         GROUP_NAME)
 			.setDescription ( GROUP_DESCRIPTION)
@@ -58,6 +74,24 @@ public class UnitXCModuleArea implements UnitXCConfigModule {
 				.setUnitIdPostfix(UNIT_ID_POSTFIX)
 				.setUnitNamePrefix(UNIT_NAME_PREFIX)
 			.build()
+			.createUnitType()
+				.setAliasOfType( TYPE_CENTIARE_ALIAS)
+				.setId(          TYPE_CENTIARE_ID)
+				.setName(        TYPE_CENTIARE_NAME)
+				.addWebsiteLink( TYPE_CENTIARE_URL)
+			.build()
+			.createUnitType()
+				.setAliasOfType( TYPE_ARE_ALIAS)
+				.setId(          TYPE_ARE_ID)
+				.setName(        TYPE_ARE_NAME)
+				.addWebsiteLink( TYPE_ARE_URL)
+			.build()
+			.createUnitType()
+				.setAliasOfType( TYPE_HECTARE_ALIAS)
+				.setId(          TYPE_HECTARE_ID)
+				.setName(        TYPE_HECTARE_NAME)
+				.addWebsiteLink( TYPE_HECTARE_URL)
+			.build()
 		.build()
 		;
 	}

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/module/UnitXCModuleElectricCurrent.java

@@ -24,7 +24,7 @@
 package net.forwardfire.unitxc.module;
 
 import static net.forwardfire.unitxc.config.UnitXCConfigModule.buildFlag;
-import static net.forwardfire.unitxc.model.UnitXCGroupType.SI_BASE;
+import static net.forwardfire.unitxc.model.UnitXCGroupLevel.SI_BASE;
 
 import net.forwardfire.unitxc.config.UnitXCConfigModule;
 import net.forwardfire.unitxc.config.builder.UnitXCConfigBuilder;
@@ -43,11 +43,12 @@ public class UnitXCModuleElectricCurrent implements UnitXCConfigModule {
 	public static final String TYPE_AMPERE_ID  = "A";
 	public static final String TYPE_AMPERE_NAME  = "ampere";
 	public static final String TYPE_AMPERE_FLAG  = buildFlag(GROUP_ID,TYPE_AMPERE_NAME);
+	private static final String TYPE_AMPERE_WIKI  = "Ampere";
 	
 	@Override
 	public void configModule(UnitXCConfigBuilder builder) {
 		builder.createUnitGroup()
-			.setType(         SI_BASE)
+			.setGroupLevel(      SI_BASE)
 			.setId(              GROUP_ID)
 			.setName(            TYPE_AMPERE_NAME)
 			.setDescription (    GROUP_DESCRIPTION)
@@ -56,6 +57,7 @@ public class UnitXCModuleElectricCurrent implements UnitXCConfigModule {
 				.setId(          TYPE_AMPERE_ID)
 				.setName(        TYPE_AMPERE_NAME)
 				.addTypeFlag(    TYPE_AMPERE_FLAG)
+				.addWebsiteWiki( TYPE_AMPERE_WIKI)
 				.addCommonSIPrefix(UnitXCTypeSIPrefix.MEGA)
 				.addCommonSIPrefix(UnitXCTypeSIPrefix.KILO)
 				.addCommonSIPrefix(UnitXCTypeSIPrefix.MILLI)

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/module/UnitXCModuleLength.java

@@ -24,7 +24,7 @@
 package net.forwardfire.unitxc.module;
 
 import static net.forwardfire.unitxc.config.UnitXCConfigModule.buildFlag;
-import static net.forwardfire.unitxc.model.UnitXCGroupType.SI_BASE;
+import static net.forwardfire.unitxc.model.UnitXCGroupLevel.SI_BASE;
 
 import net.forwardfire.unitxc.config.UnitXCConfigModule;
 import net.forwardfire.unitxc.config.builder.UnitXCConfigBuilder;
@@ -42,63 +42,89 @@ public class UnitXCModuleLength implements UnitXCConfigModule {
 	public static final String GROUP_DESCRIPTION  = "The metre is the length of the path travelled by light in vacuum during a time interval of 1/299792458 of a second.";
 	public static final String TYPE_METRE_ID  = "m";
 	public static final String TYPE_METRE_NAME  = "metre";
-	public static final String TYPE_METRE_NAME_METER  = "meter";
 	public static final String TYPE_METRE_FLAG  = buildFlag(GROUP_ID,TYPE_METRE_NAME);
+	public static final String TYPE_METRE_ALIAS_METER  = "meter";
+	public static final String TYPE_METRE_ALIAS_METER_FLAG  = buildFlag(GROUP_ID,TYPE_METRE_ALIAS_METER);
+	private static final String TYPE_METRE_WIKI  = "Metre";
+	private static final UnitXCTypeSIPrefix[] TYPE_METRE_COMMON_SI = new UnitXCTypeSIPrefix[] {
+		UnitXCTypeSIPrefix.KILO,
+		UnitXCTypeSIPrefix.HECTO,
+		UnitXCTypeSIPrefix.DECA,
+		UnitXCTypeSIPrefix.DECI,
+		UnitXCTypeSIPrefix.CENTI,
+		UnitXCTypeSIPrefix.MILLI,
+		UnitXCTypeSIPrefix.MICRO,
+		UnitXCTypeSIPrefix.NANO,
+		UnitXCTypeSIPrefix.PICO,
+		UnitXCTypeSIPrefix.FEMTO
+	};
 	
 	public static final String TYPE_INCH_ID  = "in";
 	public static final String TYPE_INCH_NAME  = "inch";
+	public static final String TYPE_INCH_NAME_PLURAL  = "inches";
 	public static final String TYPE_INCH_FLAG  = buildFlag(GROUP_ID,TYPE_INCH_NAME);
 	private static final double TYPE_INCH_FACTOR = 25.4;
+	private static final String TYPE_INCH_WIKI  = "Inch";
 	
 	public static final String TYPE_LINK_ID  = "li";
 	public static final String TYPE_LINK_NAME  = "link";
 	public static final String TYPE_LINK_FLAG  = buildFlag(GROUP_ID,TYPE_LINK_NAME);
 	private static final double TYPE_LINK_FACTOR = 201.1;
+	public static final String TYPE_LINK_WIKI  = "Link_(unit)";
 	
 	public static final String TYPE_FOOT_ID  = "ft";
 	public static final String TYPE_FOOT_NAME  = "foot";
+	public static final String TYPE_FOOT_NAME_PLURAL  = "feet";
 	public static final String TYPE_FOOT_FLAG  = buildFlag(GROUP_ID,TYPE_FOOT_NAME);
 	private static final double TYPE_FOOT_FACTOR = 304.8;
+	private static final String TYPE_FOOT_WIKI  = "Foot_(unit)";
 	
 	public static final String TYPE_YARD_ID  = "yd";
 	public static final String TYPE_YARD_NAME  = "yard";
 	public static final String TYPE_YARD_FLAG  = buildFlag(GROUP_ID,TYPE_YARD_NAME);
 	private static final double TYPE_YARD_FACTOR = 0.9144;
+	private static final String TYPE_YARD_WIKI  = "Yard";
 	
 	public static final String TYPE_ROD_ID  = "rd";
 	public static final String TYPE_ROD_NAME  = "rod";
 	public static final String TYPE_ROD_FLAG  = buildFlag(GROUP_ID,TYPE_ROD_NAME);
 	private static final double TYPE_ROD_FACTOR = 5.029;
+	private static final String TYPE_ROD_WIKI  = "Rod_(unit)";
 
 	public static final String TYPE_CHAIN_ID  = "ch";
 	public static final String TYPE_CHAIN_NAME  = "chain";
 	public static final String TYPE_CHAIN_FLAG  = buildFlag(GROUP_ID,TYPE_CHAIN_NAME);
 	private static final double TYPE_CHAIN_FACTOR = 20.117;
+	private static final String TYPE_CHAIN_WIKI  = "Chain_(unit)";
 	
 	public static final String TYPE_FURLONG_ID  = "fur";
 	public static final String TYPE_FURLONG_NAME  = "furlong";
 	public static final String TYPE_FURLONG_FLAG  = buildFlag(GROUP_ID,TYPE_FURLONG_NAME);
 	private static final double TYPE_FURLONG_FACTOR = 201.17;
+	private static final String TYPE_FURLONG_WIKI  = "Furlong";
 	
 	public static final String TYPE_MILE_ID  = "mi";
 	public static final String TYPE_MILE_NAME  = "mile";
 	public static final String TYPE_MILE_FLAG  = buildFlag(GROUP_ID,TYPE_MILE_NAME);
 	private static final double TYPE_MILE_FACTOR = 1609.344;
+	private static final String TYPE_MILE_WIKI  = "Mile";
 	
 	public static final String TYPE_MILE_US_ID  = "us-mi";
 	public static final String TYPE_MILE_US_NAME  = "us-mile";
 	public static final String TYPE_MILE_US_FLAG  = buildFlag(GROUP_ID,TYPE_MILE_US_NAME);
 	private static final double TYPE_MILE_US_FACTOR = 1609.34721869;
+	private static final String TYPE_MILE_US_WIKI  = "Mile#US_survey_mile";
 	
 	public static final String TYPE_MILE_NAUTICAL_ID  = "nau-mi";
 	public static final String TYPE_MILE_NAUTICAL_NAME  = "nautical-mile";
 	public static final String TYPE_MILE_NAUTICAL_FLAG  = buildFlag(GROUP_ID,TYPE_MILE_NAUTICAL_NAME);
 	private static final double TYPE_MILE_NAUTICAL_FACTOR = 1852;
+	private static final String TYPE_MILE_NAUTICAL_WIKI  = "Mile#Nautical_mile";
 	
 	@Override
 	public void configModule(UnitXCConfigBuilder builder) {
 		builder.createUnitGroup()
-			.setType(         SI_BASE)
+			.setGroupLevel(      SI_BASE)
 			.setId(              GROUP_ID)
 			.setName(            TYPE_METRE_NAME)
 			.setDescription (    GROUP_DESCRIPTION)
@@ -106,24 +132,24 @@ public class UnitXCModuleLength implements UnitXCConfigModule {
 			.createSIUnitTypes()
 				.setId(          TYPE_METRE_ID)
 				.setName(        TYPE_METRE_NAME)
-				.addNameAlias(TYPE_METRE_NAME_METER)
 				.addTypeFlag(    TYPE_METRE_FLAG)
-				.addCommonSIPrefix(UnitXCTypeSIPrefix.KILO)
+				.addWebsiteWiki( TYPE_METRE_WIKI)
-				.addCommonSIPrefix(UnitXCTypeSIPrefix.HECTO)
+				.addCommonSIPrefixes(TYPE_METRE_COMMON_SI)
-				.addCommonSIPrefix(UnitXCTypeSIPrefix.DECA)
+			.build()
-				.addCommonSIPrefix(UnitXCTypeSIPrefix.DECI)
+			.createSIUnitTypes()
-				.addCommonSIPrefix(UnitXCTypeSIPrefix.CENTI)
+				.setAliasOfType(TYPE_METRE_ID)
-				.addCommonSIPrefix(UnitXCTypeSIPrefix.MILLI)
+				.setId(       TYPE_METRE_ALIAS_METER)
-				.addCommonSIPrefix(UnitXCTypeSIPrefix.MICRO)
+				.setName(     TYPE_METRE_ALIAS_METER)
-				.addCommonSIPrefix(UnitXCTypeSIPrefix.NANO)
+				.addTypeFlag( TYPE_METRE_ALIAS_METER_FLAG)
-				.addCommonSIPrefix(UnitXCTypeSIPrefix.PICO)
+				.addCommonSIPrefixes(TYPE_METRE_COMMON_SI)
-				.addCommonSIPrefix(UnitXCTypeSIPrefix.FEMTO)
 			.build()
 			.createSIUnitTypes()
 				.setId(          TYPE_INCH_ID)
 				.setName(        TYPE_INCH_NAME)
+				.setNamePlural(  TYPE_INCH_NAME_PLURAL)
 				.addTypeFlag(    TYPE_INCH_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
+				.addWebsiteWiki( TYPE_INCH_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_INCH_FACTOR).power10Down(UnitXCTypeSIPrefix.MILLI).build()
 				.createFromBaseConverterSteps().power10Up(UnitXCTypeSIPrefix.MILLI).divide(TYPE_INCH_FACTOR).build()
 			.build()
@@ -133,14 +159,17 @@ public class UnitXCModuleLength implements UnitXCConfigModule {
 				.addTypeFlag(    TYPE_LINK_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL_EXTRA)
+				.addWebsiteWiki( TYPE_LINK_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_LINK_FACTOR).power10Down(UnitXCTypeSIPrefix.MILLI).build()
 				.createFromBaseConverterSteps().power10Up(UnitXCTypeSIPrefix.MILLI).divide(TYPE_LINK_FACTOR).build()
 			.build()
 			.createSIUnitTypes()
 				.setId(          TYPE_FOOT_ID)
 				.setName(        TYPE_FOOT_NAME)
+				.setNamePlural(  TYPE_FOOT_NAME_PLURAL)
 				.addTypeFlag(    TYPE_FOOT_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
+				.addWebsiteWiki( TYPE_FOOT_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_FOOT_FACTOR).power10Down(UnitXCTypeSIPrefix.MILLI).build()
 				.createFromBaseConverterSteps().power10Up(UnitXCTypeSIPrefix.MILLI).divide(TYPE_FOOT_FACTOR).build()
 			.build()
@@ -149,6 +178,7 @@ public class UnitXCModuleLength implements UnitXCConfigModule {
 				.setName(        TYPE_YARD_NAME)
 				.addTypeFlag(    TYPE_YARD_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
+				.addWebsiteWiki( TYPE_YARD_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_YARD_FACTOR).build()
 				.createFromBaseConverterSteps().divide(TYPE_YARD_FACTOR).build()
 			.build()
@@ -158,6 +188,7 @@ public class UnitXCModuleLength implements UnitXCConfigModule {
 				.addTypeFlag(    TYPE_ROD_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL_EXTRA)
+				.addWebsiteWiki( TYPE_ROD_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_ROD_FACTOR).build()
 				.createFromBaseConverterSteps().divide(TYPE_ROD_FACTOR).build()
 			.build()
@@ -167,6 +198,7 @@ public class UnitXCModuleLength implements UnitXCConfigModule {
 				.addTypeFlag(    TYPE_CHAIN_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL_EXTRA)
+				.addWebsiteWiki( TYPE_CHAIN_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_CHAIN_FACTOR).build()
 				.createFromBaseConverterSteps().divide(TYPE_CHAIN_FACTOR).build()
 			.build()
@@ -176,6 +208,7 @@ public class UnitXCModuleLength implements UnitXCConfigModule {
 				.addTypeFlag(    TYPE_FURLONG_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL_EXTRA)
+				.addWebsiteWiki( TYPE_FURLONG_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_FURLONG_FACTOR).build()
 				.createFromBaseConverterSteps().divide(TYPE_FURLONG_FACTOR).build()
 			.build()
@@ -184,6 +217,7 @@ public class UnitXCModuleLength implements UnitXCConfigModule {
 				.setName(       TYPE_MILE_NAME)
 				.addTypeFlag(    TYPE_MILE_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
+				.addWebsiteWiki( TYPE_MILE_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_MILE_FACTOR).build()
 				.createFromBaseConverterSteps().divide(TYPE_MILE_FACTOR).build()
 			.build()
@@ -192,6 +226,7 @@ public class UnitXCModuleLength implements UnitXCConfigModule {
 				.setName(        TYPE_MILE_US_NAME)
 				.addTypeFlag(    TYPE_MILE_US_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
+				.addWebsiteWiki( TYPE_MILE_US_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_MILE_US_FACTOR).build()
 				.createFromBaseConverterSteps().divide(TYPE_MILE_US_FACTOR).build()
 			.build()
@@ -200,6 +235,7 @@ public class UnitXCModuleLength implements UnitXCConfigModule {
 				.setName(        TYPE_MILE_NAUTICAL_NAME)
 				.addTypeFlag(    TYPE_MILE_NAUTICAL_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
+				.addWebsiteWiki( TYPE_MILE_NAUTICAL_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_MILE_NAUTICAL_FACTOR).build()
 				.createFromBaseConverterSteps().divide(TYPE_MILE_NAUTICAL_FACTOR).build()
 			.build()

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/module/UnitXCModuleLuminousIntensity.java

@@ -24,7 +24,7 @@
 package net.forwardfire.unitxc.module;
 
 import static net.forwardfire.unitxc.config.UnitXCConfigModule.buildFlag;
-import static net.forwardfire.unitxc.model.UnitXCGroupType.SI_BASE;
+import static net.forwardfire.unitxc.model.UnitXCGroupLevel.SI_BASE;
 
 import net.forwardfire.unitxc.config.UnitXCConfigModule;
 import net.forwardfire.unitxc.config.builder.UnitXCConfigBuilder;
@@ -42,11 +42,12 @@ public class UnitXCModuleLuminousIntensity implements UnitXCConfigModule {
 	public static final String TYPE_CANDELA_ID  = "cd";
 	public static final String TYPE_CANDELA_NAME  = "candela";
 	public static final String TYPE_CANDELA_FLAG  = buildFlag(GROUP_ID,TYPE_CANDELA_NAME);
+	private static final String TYPE_CANDELA_WIKI  = "Candela";
 	
 	@Override
 	public void configModule(UnitXCConfigBuilder builder) {
 		builder.createUnitGroup()
-			.setType(         SI_BASE)
+			.setGroupLevel(      SI_BASE)
 			.setId(              GROUP_ID)
 			.setName(            TYPE_CANDELA_NAME)
 			.setDescription (    GROUP_DESCRIPTION)
@@ -55,6 +56,7 @@ public class UnitXCModuleLuminousIntensity implements UnitXCConfigModule {
 				.setId(          TYPE_CANDELA_ID)
 				.setName(        TYPE_CANDELA_NAME)
 				.addTypeFlag(    TYPE_CANDELA_FLAG)
+				.addWebsiteWiki( TYPE_CANDELA_WIKI)
 			.build()
 		.build()
 		;

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/module/UnitXCModuleMass.java

@@ -24,7 +24,7 @@
 package net.forwardfire.unitxc.module;
 
 import static net.forwardfire.unitxc.config.UnitXCConfigModule.buildFlag;
-import static net.forwardfire.unitxc.model.UnitXCGroupType.SI_BASE;
+import static net.forwardfire.unitxc.model.UnitXCGroupLevel.SI_BASE;
 
 import net.forwardfire.unitxc.config.UnitXCConfigModule;
 import net.forwardfire.unitxc.config.builder.UnitXCConfigBuilder;
@@ -44,36 +44,42 @@ public class UnitXCModuleMass implements UnitXCConfigModule {
 	public static final String TYPE_GRAM_ID  = "g";
 	public static final String TYPE_GRAM_NAME  = "gram";
 	public static final String TYPE_GRAM_FLAG  = buildFlag(GROUP_ID,TYPE_GRAM_NAME);
+	private static final String TYPE_GRAM_WIKI  = "Kilogram";
 	
 	public static final String TYPE_GRAIN_ID  = "gr";
 	public static final String TYPE_GRAIN_NAME  = "grain";
 	public static final String TYPE_GRAIN_FLAG  = buildFlag(GROUP_ID,TYPE_GRAIN_NAME);
 	private static final double TYPE_GRAIN_FACTOR = 64.80;
+	private static final String TYPE_GRAIN_WIKI  = "Grain_(unit)";
 	
 	public static final String TYPE_DRAM_ID  = "dr";
 	public static final String TYPE_DRAM_NAME  = "dram";
 	public static final String TYPE_DRAM_FLAG  = buildFlag(GROUP_ID,TYPE_DRAM_NAME);
 	private static final double TYPE_DRAM_FACTOR = 1.772;
+	private static final String TYPE_DRAM_WIKI  = "Dram_(unit)";
 	
 	public static final String TYPE_OUNCE_ID  = "oz";
 	public static final String TYPE_OUNCE_NAME  = "ounce";
 	public static final String TYPE_OUNCE_FLAG  = buildFlag(GROUP_ID,TYPE_OUNCE_NAME);
 	private static final double TYPE_OUNCE_FACTOR = 28.35;
+	private static final String TYPE_OUNCE_WIKI  = "Ounce";
 	
 	public static final String TYPE_POUND_ID  = "lb";
 	public static final String TYPE_POUND_NAME  = "pound";
 	public static final String TYPE_POUND_FLAG  = buildFlag(GROUP_ID,TYPE_POUND_NAME);
 	private static final double TYPE_POUND_FACTOR = 453.6;
+	private static final String TYPE_POUND_WIKI  = "Pound_(mass)";
 	
 	public static final String TYPE_STONE_ID  = "st";
 	public static final String TYPE_STONE_NAME  = "stone";
 	public static final String TYPE_STONE_FLAG  = buildFlag(GROUP_ID,TYPE_STONE_NAME);
 	private static final double TYPE_STONE_FACTOR = 6.350;
+	private static final String TYPE_STONE_WIKI  = "Stone_(unit)";
 	
 	@Override
 	public void configModule(UnitXCConfigBuilder builder) {
 		builder.createUnitGroup()
-			.setType(         SI_BASE)
+			.setGroupLevel(      SI_BASE)
 			.setId(              GROUP_ID)
 			.setName(            GROUP_NAME)
 			.setDescription (    GROUP_DESCRIPTION)
@@ -82,6 +88,7 @@ public class UnitXCModuleMass implements UnitXCConfigModule {
 				.setId(          TYPE_GRAM_ID)
 				.setName(        TYPE_GRAM_NAME)
 				.addTypeFlag(    TYPE_GRAM_FLAG)
+				.addWebsiteWiki( TYPE_GRAM_WIKI)
 				.addCommonSIPrefix(UnitXCTypeSIPrefix.MEGA)
 				.addCommonSIPrefix(UnitXCTypeSIPrefix.KILO)
 				.addCommonSIPrefix(UnitXCTypeSIPrefix.HECTO)
@@ -96,6 +103,7 @@ public class UnitXCModuleMass implements UnitXCConfigModule {
 				.setName(        TYPE_GRAIN_NAME)
 				.addTypeFlag(    TYPE_GRAIN_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
+				.addWebsiteWiki( TYPE_GRAIN_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_GRAIN_FACTOR).power10Down(UnitXCTypeSIPrefix.MILLI).build()
 				.createFromBaseConverterSteps().power10Up(UnitXCTypeSIPrefix.MILLI).divide(TYPE_GRAIN_FACTOR).build()
 			.build()
@@ -105,6 +113,7 @@ public class UnitXCModuleMass implements UnitXCConfigModule {
 				.addTypeFlag(    TYPE_DRAM_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL_EXTRA)
+				.addWebsiteWiki( TYPE_DRAM_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_DRAM_FACTOR).build()
 				.createFromBaseConverterSteps().divide(TYPE_DRAM_FACTOR).build()
 			.build()
@@ -113,6 +122,7 @@ public class UnitXCModuleMass implements UnitXCConfigModule {
 				.setName(        TYPE_OUNCE_NAME)
 				.addTypeFlag(    TYPE_OUNCE_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
+				.addWebsiteWiki( TYPE_OUNCE_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_OUNCE_FACTOR).build()
 				.createFromBaseConverterSteps().divide(TYPE_OUNCE_FACTOR).build()
 			.build()
@@ -121,6 +131,7 @@ public class UnitXCModuleMass implements UnitXCConfigModule {
 				.setName(        TYPE_POUND_NAME)
 				.addTypeFlag(    TYPE_POUND_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
+				.addWebsiteWiki( TYPE_POUND_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_POUND_FACTOR).build()
 				.createFromBaseConverterSteps().divide(TYPE_POUND_FACTOR).build()
 			.build()
@@ -130,6 +141,7 @@ public class UnitXCModuleMass implements UnitXCConfigModule {
 				.addTypeFlag(    TYPE_STONE_FLAG)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL_EXTRA)
+				.addWebsiteWiki( TYPE_STONE_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_STONE_FACTOR).power10Up(UnitXCTypeSIPrefix.MILLI).build()
 				.createFromBaseConverterSteps().power10Down(UnitXCTypeSIPrefix.MILLI).divide(TYPE_STONE_FACTOR).build()
 			.build()

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/module/UnitXCModuleSpeed.java

@@ -21,63 +21,38 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-package net.forwardfire.unitxc.model;
+package net.forwardfire.unitxc.module;
 
-import java.util.List;
+import static net.forwardfire.unitxc.model.UnitXCGroupLevel.SI_DERIVED;
 
-import org.apache.commons.lang3.Validate;
+import net.forwardfire.unitxc.config.UnitXCConfigModule;
+import net.forwardfire.unitxc.config.builder.UnitXCConfigBuilder;
+import net.forwardfire.unitxc.config.builder.UnitXCTypeCompoundPairBuilder;
 
 /**
  * 
  * 
  * @author Willem Cazander
- * @version 1.0 Oct 22, 2015
+ * @version 1.0 Nov 3, 2015
  */
-public class UnitXConverterResultModel implements UnitXConverterResult {
+public class UnitXCModuleSpeed implements UnitXCConfigModule {
 	
-	private final Double startValue;
+	public static final String GROUP_ID  = "speed";
-	private final List<UnitXConverterResultStep> resultSteps;
+	public static final String GROUP_NAME  = UnitXCModuleLength.TYPE_METRE_NAME+UnitXCTypeCompoundPairBuilder.PER_NAME+UnitXCModuleTime.TYPE_SECOND_NAME;;
-	private final Double resultValue;
+	public static final String GROUP_DESCRIPTION  = "Speed is the dimensions of a length divided by a time.";
-	private final Long convertTime;
+	public static final String GROUP_BASE_TYPE_ID  = UnitXCModuleLength.TYPE_METRE_ID+UnitXCTypeCompoundPairBuilder.PER_ID+UnitXCModuleTime.TYPE_SECOND_ID;
-	private final UnitXCType startValueType;
-	private final UnitXCType resultValueType;
-	
-	public UnitXConverterResultModel(Double startValue,Double resultValue,List<UnitXConverterResultStep> resultSteps,Long convertTime,UnitXCType startValueType,UnitXCType resultValueType) {
-		this.startValue = Validate.notNull(startValue);
-		this.resultSteps = Validate.noNullElements(resultSteps);
-		this.resultValue = Validate.notNull(resultValue);
-		this.convertTime = convertTime;
-		this.startValueType = Validate.notNull(startValueType);
-		this.resultValueType = Validate.notNull(resultValueType);
-	}
 	
 	@Override
-	public Double getStartValue() {
+	public void configModule(UnitXCConfigBuilder builder) {
-		return startValue;
+		builder.createUnitGroup()
-	}
+			.setGroupLevel(   SI_DERIVED)
-	
+			.setId(           GROUP_ID)
-	@Override
+			.setName(         GROUP_NAME)
-	public Double getResultValue() {
+			.setDescription ( GROUP_DESCRIPTION)
-		return resultValue;
+			.setBaseTypeId(   GROUP_BASE_TYPE_ID)
-	}
+			.createCompoundPairUnitTypes(UnitXCModuleLength.GROUP_ID, UnitXCModuleTime.GROUP_ID)
-	
+			.build()
-	@Override
+		.build()
-	public List<UnitXConverterResultStep> getSteps() {
+		;
-		return resultSteps;
-	}
-	
-	@Override
-	public Long getConvertTime() {
-		return convertTime;
-	}
-	
-	@Override
-	public UnitXCType getStartValueType() {
-		return startValueType;
-	}
-	
-	@Override
-	public UnitXCType getResultValueType() {
-		return resultValueType;
 	}
 }

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/module/UnitXCModuleSubstance.java

@@ -24,7 +24,7 @@
 package net.forwardfire.unitxc.module;
 
 import static net.forwardfire.unitxc.config.UnitXCConfigModule.buildFlag;
-import static net.forwardfire.unitxc.model.UnitXCGroupType.SI_BASE;
+import static net.forwardfire.unitxc.model.UnitXCGroupLevel.SI_BASE;
 
 import net.forwardfire.unitxc.config.UnitXCConfigModule;
 import net.forwardfire.unitxc.config.builder.UnitXCConfigBuilder;
@@ -43,16 +43,18 @@ public class UnitXCModuleSubstance implements UnitXCConfigModule {
 	public static final String TYPE_MOLE_ID  = "mol";
 	public static final String TYPE_MOLE_NAME  = "mole";
 	public static final String TYPE_MOLE_FLAG  = buildFlag(GROUP_ID,TYPE_MOLE_NAME);
+	private static final String TYPE_MOLE_WIKI  = "Mole_(unit)";
 	
 	public static final String TYPE_POUND_MOLE_ID  = "lbmol";
 	public static final String TYPE_POUND_MOLE_NAME  = "pound-mole";
 	public static final String TYPE_POUND_MOLE_FLAG  = buildFlag(GROUP_ID,TYPE_POUND_MOLE_NAME);
 	private static final double TYPE_POUND_MOLE_FACTOR = 453.59237;
+	private static final String TYPE_POUND_MOLE_WIKI  = "Mole_(unit)#Other_units_called_.22mole.22";
 	
 	@Override
 	public void configModule(UnitXCConfigBuilder builder) {
 		builder.createUnitGroup()
-			.setType(         SI_BASE)
+			.setGroupLevel(      SI_BASE)
 			.setId(              GROUP_ID)
 			.setName(            TYPE_MOLE_NAME)
 			.setDescription (    GROUP_DESCRIPTION)
@@ -61,6 +63,7 @@ public class UnitXCModuleSubstance implements UnitXCConfigModule {
 				.setId(          TYPE_MOLE_ID)
 				.setName(        TYPE_MOLE_NAME)
 				.addTypeFlag(    TYPE_MOLE_FLAG)
+				.addWebsiteWiki( TYPE_MOLE_WIKI)
 				.addCommonSIPrefix(UnitXCTypeSIPrefix.MILLI)
 				.addCommonSIPrefix(UnitXCTypeSIPrefix.MICRO)
 				.addCommonSIPrefix(UnitXCTypeSIPrefix.NANO)
@@ -71,6 +74,7 @@ public class UnitXCModuleSubstance implements UnitXCConfigModule {
 				.setId(          TYPE_POUND_MOLE_ID)
 				.setName(        TYPE_POUND_MOLE_NAME)
 				.addTypeFlag(    UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
+				.addWebsiteWiki( TYPE_POUND_MOLE_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_POUND_MOLE_FACTOR).build()
 				.createFromBaseConverterSteps().divide(TYPE_POUND_MOLE_FACTOR).build()
 			.build()

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/module/UnitXCModuleTemperature.java

@@ -27,7 +27,7 @@ import net.forwardfire.unitxc.config.UnitXCConfigModule;
 import net.forwardfire.unitxc.config.builder.UnitXCConfigBuilder;
 
 import static net.forwardfire.unitxc.config.UnitXCConfigModule.buildFlag;
-import static net.forwardfire.unitxc.model.UnitXCGroupType.SI_BASE;
+import static net.forwardfire.unitxc.model.UnitXCGroupLevel.SI_BASE;
 
 import org.apache.commons.lang3.math.Fraction;
 
@@ -45,33 +45,39 @@ public class UnitXCModuleTemperature implements UnitXCConfigModule {
 	public static final String TYPE_KELVIN_ID  = "K";
 	public static final String TYPE_KELVIN_NAME  = "kelvin";
 	public static final String TYPE_KELVIN_FLAG  = buildFlag(GROUP_ID,TYPE_KELVIN_NAME);
+	private static final String TYPE_KELVIN_WIKI  = "Kelvin";
 	
 	public static final String TYPE_CELSIUS_ID  = "°C";
 	public static final String TYPE_CELSIUS_NAME  = "celsius";
 	public static final String TYPE_CELSIUS_FLAG  = buildFlag(GROUP_ID,TYPE_CELSIUS_NAME);
 	private static final double TYPE_CELSIUS_OFFSET = 273.15;
+	private static final String TYPE_CELSIUS_WIKI  = "Celsius";
 	
 	public static final String TYPE_FAHRENHEIT_ID  = "°F";
 	public static final String TYPE_FAHRENHEIT_NAME  = "fahrenheit";
 	public static final String TYPE_FAHRENHEIT_FLAG  = buildFlag(GROUP_ID,TYPE_FAHRENHEIT_NAME);
 	private static final double TYPE_FAHRENHEIT_OFFSET = 459.67;
 	private static final Fraction TYPE_FAHRENHEIT_FRACTION = Fraction.getFraction(5,9);
+	private static final String TYPE_FAHRENHEIT_WIKI  = "Fahrenheit";
 	
 	public static final String TYPE_RANKINE_ID  = "°R";
 	public static final String TYPE_RANKINE_NAME  = "rankine";
 	public static final String TYPE_RANKINE_FLAG  = buildFlag(GROUP_ID,TYPE_RANKINE_NAME);
+	private static final String TYPE_RANKINE_WIKI  = "Rankine_scale";
 	
 	public static final String TYPE_ROMER_ID  = "Rø";
 	public static final String TYPE_ROMER_NAME  = "rømer";
-	public static final String TYPE_ROMER_NAME_ALIAS  = "romer";
+	public static final String TYPE_ROMER_FLAG  = buildFlag(GROUP_ID,TYPE_ROMER_NAME);
-	public static final String TYPE_ROMER_FLAG  = buildFlag(GROUP_ID,TYPE_ROMER_NAME_ALIAS);
+	public static final String TYPE_ROMER_ALIAS_NAME  = "romer";
+	public static final String TYPE_ROMER_ALIAS_FLAG  = buildFlag(GROUP_ID,TYPE_ROMER_ALIAS_NAME);
 	private static final Fraction TYPE_ROMER_FRACTION = Fraction.getFraction(40,21);
 	private static final double   TYPE_ROMER_FRACTION_OFFSET = 7.5;
+	private static final String TYPE_ROMER_WIKI  = "Rømer_scale";
 	
 	@Override
 	public void configModule(UnitXCConfigBuilder builder) {
 		builder.createUnitGroup()
-			.setType(         SI_BASE)
+			.setGroupLevel(     SI_BASE)
 			.setId(             GROUP_ID)
 			.setName(           TYPE_KELVIN_NAME)
 			.setDescription(    GROUP_DESCRIPTION)
@@ -80,11 +86,13 @@ public class UnitXCModuleTemperature implements UnitXCConfigModule {
 				.setId(         TYPE_KELVIN_ID)
 				.setName(       TYPE_KELVIN_NAME)
 				.addTypeFlag(   TYPE_KELVIN_FLAG)
+				.addWebsiteWiki(TYPE_KELVIN_WIKI)
 			.build()
 			.createSIUnitTypes()
 				.setId(         TYPE_CELSIUS_ID)
 				.setName(       TYPE_CELSIUS_NAME)
 				.addTypeFlag(   TYPE_CELSIUS_FLAG)
+				.addWebsiteWiki(TYPE_CELSIUS_WIKI)
 				.createToBaseConverterSteps().offsetUp(TYPE_CELSIUS_OFFSET).build()
 				.createFromBaseConverterSteps().offsetDown(TYPE_CELSIUS_OFFSET).build()
 			.build()
@@ -93,39 +101,48 @@ public class UnitXCModuleTemperature implements UnitXCConfigModule {
 				.setName(        TYPE_FAHRENHEIT_NAME)
 				.addTypeFlag(    TYPE_FAHRENHEIT_FLAG)
 				.addTypeFlag( UnitXCConfigBuilder.TYPE_FLAG_IMPERIAL)
+				.addWebsiteWiki( TYPE_FAHRENHEIT_WIKI)
 				.createToBaseConverterSteps()
-					.offsetUp(TYPE_FAHRENHEIT_OFFSET)
+					.offsetUp(   TYPE_FAHRENHEIT_OFFSET)
-					.multiply(TYPE_FAHRENHEIT_FRACTION)
+					.multiply(   TYPE_FAHRENHEIT_FRACTION)
 				.build()
 				.createFromBaseConverterSteps()
-					.multiply(TYPE_FAHRENHEIT_FRACTION.invert())
+					.multiply(   TYPE_FAHRENHEIT_FRACTION.invert())
-					.offsetDown(TYPE_FAHRENHEIT_OFFSET)
+					.offsetDown( TYPE_FAHRENHEIT_OFFSET)
 				.build()
 			.build()
 			.createSIUnitTypes()
 				.setId(          TYPE_RANKINE_ID)
 				.setName(        TYPE_RANKINE_NAME)
-				.addTypeFlag( TYPE_RANKINE_FLAG)
+				.addTypeFlag (   TYPE_RANKINE_FLAG)
+				.addWebsiteWiki( TYPE_RANKINE_WIKI)
 				.createToBaseConverterSteps().multiply(TYPE_FAHRENHEIT_FRACTION).build()
 				.createFromBaseConverterSteps().multiply(TYPE_FAHRENHEIT_FRACTION.invert()).build()
 			.build()
 			.createSIUnitTypes()
 				.setId(          TYPE_ROMER_ID)
 				.setName(        TYPE_ROMER_NAME)
-				.addNameAlias(TYPE_ROMER_NAME_ALIAS)
 				.addTypeFlag(    TYPE_ROMER_FLAG)
+				.addWebsiteWiki( TYPE_ROMER_WIKI)
 				.createToBaseConverterSteps()
-					.offsetUp(TYPE_CELSIUS_OFFSET)
+					.offsetUp(   TYPE_CELSIUS_OFFSET)
-					.multiply(TYPE_ROMER_FRACTION)
+					.multiply(   TYPE_ROMER_FRACTION)
-					.offsetUp(TYPE_ROMER_FRACTION_OFFSET)
+					.offsetUp(   TYPE_ROMER_FRACTION_OFFSET)
 				.build()
 				.createFromBaseConverterSteps()
-					.offsetDown(TYPE_ROMER_FRACTION_OFFSET)
+					.offsetDown( TYPE_ROMER_FRACTION_OFFSET)
-					.multiply(TYPE_ROMER_FRACTION.invert())
+					.multiply(   TYPE_ROMER_FRACTION.invert())
-					.offsetDown(TYPE_CELSIUS_OFFSET)
+					.offsetDown( TYPE_CELSIUS_OFFSET)
 				.build()
 			.build()
+			.createSIUnitTypes()
+				.setAliasOfType( TYPE_ROMER_ID)
+				.setId(          TYPE_ROMER_ALIAS_NAME)
+				.setName(        TYPE_ROMER_ALIAS_NAME)
+				.addTypeFlag(    TYPE_ROMER_ALIAS_FLAG)
+			.build()
 		.build()
 		;
 	}
 }
+

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/module/UnitXCModuleTime.java

@@ -24,7 +24,7 @@
 package net.forwardfire.unitxc.module;
 
 import static net.forwardfire.unitxc.config.UnitXCConfigModule.buildFlag;
-import static net.forwardfire.unitxc.model.UnitXCGroupType.SI_BASE;
+import static net.forwardfire.unitxc.model.UnitXCGroupLevel.SI_BASE;
 
 import net.forwardfire.unitxc.config.UnitXCConfigModule;
 import net.forwardfire.unitxc.config.builder.UnitXCConfigBuilder;
@@ -52,21 +52,26 @@ public class UnitXCModuleTime implements UnitXCConfigModule {
 	private static final double TIME_EARTH_YEAR   = 31557600;
 	// related to the rotating earth, or change to be 794 243 384 928 000 hyperfine oscillations
 	
+	public static final String TYPE_MINUTE_ID   = "min";
 	public static final String TYPE_MINUTE_NAME = "minute";
 	public static final String TYPE_MINUTE_FLAG = buildFlag(GROUP_ID,TYPE_MINUTE_NAME);
+	public static final String TYPE_HOUR_ID     = "h";
 	public static final String TYPE_HOUR_NAME   = "hour";
 	public static final String TYPE_HOUR_FLAG   = buildFlag(GROUP_ID,TYPE_HOUR_NAME);
+	public static final String TYPE_DAY_ID      = "d";
 	public static final String TYPE_DAY_NAME    = "day";
 	public static final String TYPE_DAY_FLAG    = buildFlag(GROUP_ID,TYPE_DAY_NAME);
+	public static final String TYPE_WEEK_ID     = "wk";
 	public static final String TYPE_WEEK_NAME   = "week";
 	public static final String TYPE_WEEK_FLAG   = buildFlag(GROUP_ID,TYPE_WEEK_NAME);
+	public static final String TYPE_YEAR_ID     = "yr";
 	public static final String TYPE_YEAR_NAME   = "year";
 	public static final String TYPE_YEAR_FLAG   = buildFlag(GROUP_ID,TYPE_YEAR_NAME);
 	
 	@Override
 	public void configModule(UnitXCConfigBuilder builder) {
 		builder.createUnitGroup()
-			.setType(         SI_BASE)
+			.setGroupLevel(   SI_BASE)
 			.setId(           GROUP_ID)
 			.setName(         TYPE_SECOND_NAME)
 			.setDescription ( GROUP_DESCRIPTION)
@@ -83,35 +88,35 @@ public class UnitXCModuleTime implements UnitXCConfigModule {
 				.addCommonSIPrefix(UnitXCTypeSIPrefix.ATTO)
 			.build()
 			.createSIUnitTypes()
-				.setId(       TYPE_MINUTE_NAME)
+				.setId(       TYPE_MINUTE_ID)
 				.setName(     TYPE_MINUTE_NAME)
 				.addTypeFlag( TYPE_MINUTE_FLAG)
 				.createToBaseConverterSteps().multiply(TIME_EARTH_MINUTE).build()
 				.createFromBaseConverterSteps().divide(TIME_EARTH_MINUTE).build()
 			.build()
 			.createSIUnitTypes()
-				.setId(       TYPE_HOUR_NAME)
+				.setId(       TYPE_HOUR_ID)
 				.setName(     TYPE_HOUR_NAME)
 				.addTypeFlag( TYPE_HOUR_FLAG)
 				.createToBaseConverterSteps().multiply(TIME_EARTH_HOUR).build()
 				.createFromBaseConverterSteps().divide(TIME_EARTH_HOUR).build()
 			.build()
 			.createSIUnitTypes()
-				.setId(       TYPE_DAY_NAME)
+				.setId(       TYPE_DAY_ID)
 				.setName(     TYPE_DAY_NAME)
 				.addTypeFlag( TYPE_DAY_FLAG)
 				.createToBaseConverterSteps().multiply(TIME_EARTH_DAY).build()
 				.createFromBaseConverterSteps().divide(TIME_EARTH_DAY).build()
 			.build()
 			.createSIUnitTypes()
-				.setId(       TYPE_WEEK_NAME)
+				.setId(       TYPE_WEEK_ID)
 				.setName(     TYPE_WEEK_NAME)
 				.addTypeFlag( TYPE_WEEK_FLAG)
 				.createToBaseConverterSteps().multiply(TIME_EARTH_WEEK).build()
 				.createFromBaseConverterSteps().divide(TIME_EARTH_WEEK).build()
 			.build()
 			.createSIUnitTypes()
-				.setId(       TYPE_YEAR_NAME)
+				.setId(       TYPE_YEAR_ID)
 				.setName(     TYPE_YEAR_NAME)
 				.addTypeFlag( TYPE_YEAR_FLAG)
 				.createToBaseConverterSteps().multiply(TIME_EARTH_YEAR).build()

ff-unitxc-converter/src/main/java/net/forwardfire/unitxc/module/UnitXCModuleVolume.java

@@ -24,7 +24,7 @@
 package net.forwardfire.unitxc.module;
 
 import static net.forwardfire.unitxc.config.builder.UnitXCNumberTypeSetting.toSuperScript;
-import static net.forwardfire.unitxc.model.UnitXCGroupType.SI_DERIVED;
+import static net.forwardfire.unitxc.model.UnitXCGroupLevel.SI_DERIVED;
 
 import net.forwardfire.unitxc.config.UnitXCConfigModule;
 import net.forwardfire.unitxc.config.builder.UnitXCConfigBuilder;
@@ -49,7 +49,7 @@ public class UnitXCModuleVolume implements UnitXCConfigModule {
 	@Override
 	public void configModule(UnitXCConfigBuilder builder) {
 		builder.createUnitGroup()
-			.setType(         SI_DERIVED)
+			.setGroupLevel(   SI_DERIVED)
 			.setId(           GROUP_ID)
 			.setName(         GROUP_NAME)
 			.setDescription ( GROUP_DESCRIPTION)

ff-unitxc-converter/src/test/java/net/forwardfire/unitxc/UnitXCConverterStepTest.java

@@ -35,6 +35,7 @@ import static net.forwardfire.unitxc.UnitXCAssert.convertEquals;
 import net.forwardfire.unitxc.UnitXCFactory;
 import net.forwardfire.unitxc.UnitXCManager;
 import net.forwardfire.unitxc.model.UnitXCType;
+import net.forwardfire.unitxc.model.ModelXMLMarshaller;
 import net.forwardfire.unitxc.model.UnitXCGroup;
 import net.forwardfire.unitxc.model.UnitXConverterResult;
 import net.forwardfire.unitxc.model.UnitXConverterResultStep;
@@ -42,7 +43,8 @@ import net.forwardfire.unitxc.model.UnitXConverterResultStep;
 public class UnitXCConverterStepTest {
 	
 	@Test
-	public void testFac() {
+	public void testFac() throws Exception {
+		ModelXMLMarshaller xmlDriver = new ModelXMLMarshaller();
 		UnitXCManager unitManager = UnitXCFactory.createManager();
 		
 		assertNotNull(unitManager);
@@ -75,10 +77,11 @@ public class UnitXCConverterStepTest {
 		System.out.println("startValue: "+result.getStartValue());
 		System.out.println("resultValue: "+result.getResultValue());
 		System.out.println("convertTime: "+result.getConvertTime());
-		for (UnitXConverterResultStep step:result.getSteps()) {
+		for (UnitXConverterResultStep step:result.getResultSteps()) {
-			System.out.println("step: "+step.getName()+" in: "+step.getInputValue()+" out: "+step.getOutputValue()+" time: "+step.getConvertTime());	
+			System.out.println("step: "+step.getName()+" in: "+step.getStartValue()+" out: "+step.getResultValue()+" time: "+step.getConvertTime());	
 		}
 		
+		xmlDriver.marshal(result, System.out);
 		System.out.println("");
 		
 		result = unitManager.getConverter().convertStepped(10.763, "ft²", "in²");
@@ -86,8 +89,8 @@ public class UnitXCConverterStepTest {
 		System.out.println("startValue: "+result.getStartValue());
 		System.out.println("resultValue: "+result.getResultValue());
 		System.out.println("convertTime: "+result.getConvertTime());
-		for (UnitXConverterResultStep step:result.getSteps()) {
+		for (UnitXConverterResultStep step:result.getResultSteps()) {
-			System.out.println("step: "+step.getName()+" in: "+step.getInputValue()+" out: "+step.getOutputValue()+" time: "+step.getConvertTime());	
+			System.out.println("step: "+step.getName()+" in: "+step.getStartValue()+" out: "+step.getResultValue()+" time: "+step.getConvertTime());	
 		}
 		
 		System.out.println("");
@@ -97,9 +100,21 @@ public class UnitXCConverterStepTest {
 		System.out.println("startValue: "+result.getStartValue());
 		System.out.println("resultValue: "+result.getResultValue());
 		System.out.println("convertTime: "+result.getConvertTime());
-		for (UnitXConverterResultStep step:result.getSteps()) {
+		for (UnitXConverterResultStep step:result.getResultSteps()) {
-			System.out.println("step: "+step.getName()+" in: "+step.getInputValue()+" out: "+step.getOutputValue()+" time: "+step.getConvertTime());	
+			System.out.println("step: "+step.getName()+" in: "+step.getStartValue()+" out: "+step.getResultValue()+" time: "+step.getConvertTime());	
 		}
+
+		
+		result = unitManager.getConverter().convertStepped(1079000000, "km/h", "m/s");
+		System.out.println("Convert from: "+result.getStartValueType().getName()+" to: "+result.getResultValueType().getName());
+		System.out.println("startValue: "+result.getStartValue());
+		System.out.println("resultValue: "+result.getResultValue());
+		System.out.println("convertTime: "+result.getConvertTime());
+		for (UnitXConverterResultStep step:result.getResultSteps()) {
+			System.out.println("step: "+step.getName()+" in: "+step.getStartValue()+" out: "+step.getResultValue()+" time: "+step.getConvertTime());	
+		}
+		xmlDriver.marshal(result, System.out);
+		
 	}
 	
 }

ff-unitxc-converter/src/test/java/net/forwardfire/unitxc/module/UnitXCModuleAreaTest.java

@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2013-2015, Willem Cazander
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are permitted provided
+ * that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this list of conditions and the
+ *   following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
+ *   the following disclaimer in the documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package net.forwardfire.unitxc.module;
+
+import org.junit.Test;
+
+import static net.forwardfire.unitxc.UnitXCAssert.convertEquals;
+
+public class UnitXCModuleAreaTest {
+	
+	@Test
+	public void test1ToSquareKilometre() throws Exception {
+		convertEquals(0.000001,"km²",1.0, "m²");
+	}
+	
+	@Test
+	public void test1ToSquareCentimetre() throws Exception {
+		convertEquals(10000,"cm²",1.0, "m²");
+	}
+	
+	@Test
+	public void test1ToHectares() throws Exception {
+		convertEquals(0.0001,"ha",1.0, "m²");
+	}
+	
+	@Test
+	public void test1ToDecares() throws Exception {
+		convertEquals(0.001,"daa",1.0, "m²");
+	}
+	
+	@Test
+	public void test1ToAres() throws Exception {
+		convertEquals(0.01,"a",1.0, "m²");
+	}
+	
+	@Test
+	public void test1ToDeciares() throws Exception {
+		convertEquals(0.1,"da",1.0, "m²");
+	}
+	
+	@Test
+	public void test1ToCentiare() throws Exception {
+		convertEquals(1.0,"ca",1.0, "m²");
+	}
+	
+	@Test
+	public void test1ToAcres() throws Exception {
+		convertEquals(0.000247105381,"acres",1.0, "m²");
+	}
+	
+	@Test
+	public void test1ToCents() throws Exception {
+		convertEquals(0.024710538 ,"cents",1.0, "m²");
+	}
+	
+	@Test
+	public void test1ToSquareYard() throws Exception {
+		convertEquals(1.195990 ,"yd²",1.0, "m²");
+	}
+	
+	@Test
+	public void test1ToSquareFeet() throws Exception {
+		convertEquals(10.763911 ,"ft²",1.0, "m²");
+	}
+	
+	@Test
+	public void test1ToSquareInch() throws Exception {
+		convertEquals(1550.0031 ,"in²",1.0, "m²");
+	}
+}

ff-unitxc-converter/src/test/java/net/forwardfire/unitxc/module/UnitXCModuleVolumeTest.java

@@ -21,47 +21,26 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-package net.forwardfire.unitxc.model;
+package net.forwardfire.unitxc.module;
 
-import org.apache.commons.lang3.Validate;
+import org.junit.Test;
 
-/**
+import static net.forwardfire.unitxc.UnitXCAssert.convertEquals;
- * 
- * 
- * @author Willem Cazander
- * @version 1.0 Oct 22, 2015
- */
-public class UnitXConverterResultStepModel implements UnitXConverterResultStep {
 
-	private final String name;
+public class UnitXCModuleVolumeTest {
-	private final Double inputValue;
-	private final Double outputValue;
-	private final Long convertTime;
 	
-	public UnitXConverterResultStepModel(String name,Double inputValue,Double outputValue,Long convertTime) {
+	@Test
-		this.name = Validate.notBlank(name);
+	public void test10CubicFootToCubicInch() throws Exception {
-		this.inputValue = Validate.notNull(inputValue);
+		convertEquals(18597.989,"in³",10.763, "ft³"); // redo after fix
-		this.outputValue = Validate.notNull(outputValue);
-		this.convertTime = Validate.notNull(convertTime);
 	}
 	
-	@Override
+	@Test
-	public String getName() {
+	public void test1ToCubicCentimetre() throws Exception {
-		return name;
+		convertEquals(1000000,"cm³",1.0, "m³");
 	}
 	
-	@Override
+	@Test
-	public Double getInputValue() {
+	public void test1ToCubicDecimetre() throws Exception {
-		return inputValue;
+		convertEquals(1000,"dm³",1.0, "m³");
-	}
-	
-	@Override
-	public Double getOutputValue() {
-		return outputValue;
-	}
-	
-	@Override
-	public Long getConvertTime() {
-		return convertTime;
 	}
 }

readme.md

@@ -2,14 +2,16 @@ FF-UnitXC
 =========
 
 FF-UnitXC is a java8 library providing a cross unit converter.
+NOTE: Status is in progress.
 
 ## Features
 
 * Many units provided.
 * Unit groups.
-* Unit tags.
+* Unit flags.
 * Full metric system.
 * Imperial values.
+* Weird SI units.
 
 ## Installation