From cab1a4bc1e479c28d6abedf4dd2056c5dd21781e Mon Sep 17 00:00:00 2001
From: Willem Cazander <w.cazander@gmail.com>
Date: Sun, 9 Mar 2014 14:41:23 +0100
Subject: [PATCH] Converted all StringBuffers to StringBuilders

---
 .../org/x4o/xml/conv/text/StringSplitConverter.java    |  2 +-
 .../xml/eld/lang/AttributeFromBodyConfigurator.java    |  2 +-
 .../x4o/xml/eld/lang/ElementModuleBindingHandler.java  |  2 +-
 .../java/org/x4o/xml/eld/xsd/EldXsdWriterElement.java  |  4 ++--
 .../src/main/java/org/x4o/xml/io/XMLConstants.java     | 10 +++++-----
 .../main/java/org/x4o/xml/io/sax/X4ODebugWriter.java   |  4 ++--
 .../java/org/x4o/xml/io/sax/X4OEntityResolver.java     |  4 ++--
 .../main/java/org/x4o/xml/io/sax/X4OErrorHandler.java  |  2 +-
 .../xml/io/sax/ext/AbstractContentWriterHandler.java   |  4 ++--
 .../org/x4o/xml/lang/DefaultX4OLanguageLoader.java     |  4 ++--
 .../org/x4o/xml/lang/task/AbstractX4OLanguageTask.java |  2 +-
 .../org/x4o/xml/lang/task/run/X4OTaskCommandLine.java  |  2 +-
 .../main/java/org/x4o/xml/eld/doc/EldDocWriter.java    |  6 +++---
 .../org/x4o/xml/eld/doc/EldDocWriterElementClass.java  |  2 +-
 .../org/x4o/xml/eld/doc/EldDocXTreePageWriter.java     |  2 +-
 .../org/x4o/xml/eld/doc/api/AbstractApiDocWriter.java  |  4 ++--
 .../org/x4o/xml/eld/doc/api/ApiDocContentWriter.java   |  4 ++--
 .../java/org/x4o/xml/eld/doc/api/ApiDocWriter.java     |  8 ++++----
 .../org/x4o/xml/eld/doc/api/DefaultPageWriterTree.java |  4 ++--
 .../main/java/org/x4o/xml/eld/doc/api/dom/ApiDoc.java  |  2 +-
 20 files changed, 37 insertions(+), 37 deletions(-)

diff --git a/x4o-driver/src/main/java/org/x4o/xml/conv/text/StringSplitConverter.java b/x4o-driver/src/main/java/org/x4o/xml/conv/text/StringSplitConverter.java
index a54e2e1..5a57c83 100644
--- a/x4o-driver/src/main/java/org/x4o/xml/conv/text/StringSplitConverter.java
+++ b/x4o-driver/src/main/java/org/x4o/xml/conv/text/StringSplitConverter.java
@@ -146,7 +146,7 @@ public class StringSplitConverter extends AbstractStringObjectConverter {
 			throw new ObjectConverterException(this,"Step size is wrong; "+steps.size()+" need: "+splitSize);
 		}
 		try {
-			StringBuffer buf = new StringBuffer(200);
+			StringBuilder buf = new StringBuilder(200);
 			for (int i=0;i<steps.size();i++) {
 				StringSplitConverterStep step = steps.get(i);
 				Method m = classTo.getMethod(step.getFromMethod(), new Class[] {});
diff --git a/x4o-driver/src/main/java/org/x4o/xml/eld/lang/AttributeFromBodyConfigurator.java b/x4o-driver/src/main/java/org/x4o/xml/eld/lang/AttributeFromBodyConfigurator.java
index 52c4e73..abd27b9 100644
--- a/x4o-driver/src/main/java/org/x4o/xml/eld/lang/AttributeFromBodyConfigurator.java
+++ b/x4o-driver/src/main/java/org/x4o/xml/eld/lang/AttributeFromBodyConfigurator.java
@@ -73,7 +73,7 @@ public class AttributeFromBodyConfigurator extends AbstractElementConfigurator {
 	}
 	
 	private String fetchBodyType(Element element,ElementType elementType) {
-		StringBuffer buf = new StringBuffer(300);
+		StringBuilder buf = new StringBuilder(300);
 		List<Element> childsAll = element.getAllChilderen();
 		List<Element> childs = ElementType.filterElements(childsAll, elementType);
 		for (int i=0;i<childs.size();i++) {
diff --git a/x4o-driver/src/main/java/org/x4o/xml/eld/lang/ElementModuleBindingHandler.java b/x4o-driver/src/main/java/org/x4o/xml/eld/lang/ElementModuleBindingHandler.java
index 9f64fe6..9ae4f8d 100644
--- a/x4o-driver/src/main/java/org/x4o/xml/eld/lang/ElementModuleBindingHandler.java
+++ b/x4o-driver/src/main/java/org/x4o/xml/eld/lang/ElementModuleBindingHandler.java
@@ -94,7 +94,7 @@ public class ElementModuleBindingHandler  extends AbstractElementBindingHandler<
 			}
 			// TODO: no language here so move to EL default on eld attribute tag
 			if (elementNamespace.getId()!=null) {
-				StringBuffer buf = new StringBuffer(30);
+				StringBuilder buf = new StringBuilder(30);
 				for (char c:elementNamespace.getId().toLowerCase().toCharArray()) {
 					if (Character.isLetter(c))	{buf.append(c);}
 					if (Character.isDigit(c))	{buf.append(c);}
diff --git a/x4o-driver/src/main/java/org/x4o/xml/eld/xsd/EldXsdWriterElement.java b/x4o-driver/src/main/java/org/x4o/xml/eld/xsd/EldXsdWriterElement.java
index 602285f..ac95d0a 100644
--- a/x4o-driver/src/main/java/org/x4o/xml/eld/xsd/EldXsdWriterElement.java
+++ b/x4o-driver/src/main/java/org/x4o/xml/eld/xsd/EldXsdWriterElement.java
@@ -165,7 +165,7 @@ public class EldXsdWriterElement {
 		// this is a mess;
 		String desc = "Automatic generated schema for language: "+language.getLanguageName()+" by "+byValue;
 		int space = COMMENT_SEPERATOR.length()-desc.length()-(2*COMMENT_TEXT.length())-4;
-		StringBuffer b = new StringBuffer(COMMENT_SEPERATOR.length());
+		StringBuilder b = new StringBuilder(COMMENT_SEPERATOR.length());
 		b.append(" ");
 		b.append(COMMENT_TEXT);
 		b.append("  ");
@@ -191,7 +191,7 @@ public class EldXsdWriterElement {
 				break;
 			}
 		}
-		StringBuffer b = new StringBuffer(COMMENT_SEPERATOR.length());
+		StringBuilder b = new StringBuilder(COMMENT_SEPERATOR.length());
 		String formatLine = "\n\t%1$-20s %2$s";
 		b.append(String.format(formatLine,"Id:",module.getId()));
 		b.append(String.format(formatLine,"ProviderName:",module.getProviderName()));
diff --git a/x4o-driver/src/main/java/org/x4o/xml/io/XMLConstants.java b/x4o-driver/src/main/java/org/x4o/xml/io/XMLConstants.java
index 4ee5558..e59f7f1 100644
--- a/x4o-driver/src/main/java/org/x4o/xml/io/XMLConstants.java
+++ b/x4o-driver/src/main/java/org/x4o/xml/io/XMLConstants.java
@@ -273,7 +273,7 @@ public final class XMLConstants {
 	static public String escapeAttributeName(String value) {
 		// Attribute	   ::=   	Name Eq AttValue
 		int length = value.length();
-		StringBuffer result = new StringBuffer(length);
+		StringBuilder result = new StringBuilder(length);
 		for (int i=0;i<length;i++) {
 			char c = value.charAt(i);
 			if (isNameChar(c)) {
@@ -315,7 +315,7 @@ public final class XMLConstants {
 		for (int i=0;i<length;i++) {
 			char c = value.charAt(i);
 			if (c=='&') {
-				StringBuffer buf = new StringBuffer(length);
+				StringBuilder buf = new StringBuilder(length);
 				int iOrg = i;
 				i = charEntityLookup(i,value,buf);
 				String entity = buf.toString();
@@ -382,8 +382,8 @@ public final class XMLConstants {
 		return false;
 	}
 	
-	static private int charEntityLookup(int iStart,String value,StringBuffer buf) {
-		StringBuffer result = new StringBuffer();
+	static private int charEntityLookup(int iStart,String value,StringBuilder buf) {
+		StringBuilder result = new StringBuilder();
 		int iMax = 10;
 		for (int i=iStart;i<value.length() && i<(iStart+iMax);i++) {
 			char c = value.charAt(i);
@@ -406,7 +406,7 @@ public final class XMLConstants {
 		value = value.replaceAll(COMMENT_START, "");
 		value = value.replaceAll(COMMENT_END,   "");
 		int length = value.length();
-		StringBuffer result = new StringBuffer(length);
+		StringBuilder result = new StringBuilder(length);
 		for (int i=0;i<length;i++) {
 			char c = value.charAt(i);
 			if (c=='\n') {
diff --git a/x4o-driver/src/main/java/org/x4o/xml/io/sax/X4ODebugWriter.java b/x4o-driver/src/main/java/org/x4o/xml/io/sax/X4ODebugWriter.java
index f84e1e8..75cc8f4 100644
--- a/x4o-driver/src/main/java/org/x4o/xml/io/sax/X4ODebugWriter.java
+++ b/x4o-driver/src/main/java/org/x4o/xml/io/sax/X4ODebugWriter.java
@@ -396,7 +396,7 @@ public class X4ODebugWriter {
 				contentWriter.endElement(DEBUG_URI, "elementObject", "");
 			}
 			
-			StringBuffer elementPath = getElementPath(element,new StringBuffer());
+			StringBuilder elementPath = getElementPath(element,new StringBuilder());
 			atts.addAttribute ("", "elementPath", "", "", elementPath.toString());
 			
 			contentWriter.startElement (DEBUG_URI, "element", "", atts);
@@ -412,7 +412,7 @@ public class X4ODebugWriter {
 	 * @param buff		The buffer.
 	 * @return	Returns the buffer of the builf path.
 	 */
-	private StringBuffer getElementPath(Element element,StringBuffer buff) {
+	private StringBuilder getElementPath(Element element,StringBuilder buff) {
 		if (element.getParent()==null) {
 			buff.append('/'); // root slash
 			buff.append(element.getElementClass().getId());
diff --git a/x4o-driver/src/main/java/org/x4o/xml/io/sax/X4OEntityResolver.java b/x4o-driver/src/main/java/org/x4o/xml/io/sax/X4OEntityResolver.java
index d6633d6..6e4ada5 100644
--- a/x4o-driver/src/main/java/org/x4o/xml/io/sax/X4OEntityResolver.java
+++ b/x4o-driver/src/main/java/org/x4o/xml/io/sax/X4OEntityResolver.java
@@ -81,7 +81,7 @@ public class X4OEntityResolver implements EntityResolver {
 				if (ns.getSchemaResource()==null) {
 					continue;
 				}
-				StringBuffer buf = new StringBuffer(30);
+				StringBuilder buf = new StringBuilder(30);
 				buf.append(elementContext.getLanguage().getLanguageConfiguration().getLanguageResourcePathPrefix());
 				buf.append('/');
 				buf.append(elementContext.getLanguage().getLanguageName());
@@ -89,7 +89,7 @@ public class X4OEntityResolver implements EntityResolver {
 				buf.append(ns.getSchemaResource());
 				schemaResources.put( ns.getSchemaUri(), buf.toString() );
 				
-				buf = new StringBuffer(30);
+				buf = new StringBuilder(30);
 				buf.append(elementContext.getLanguage().getLanguageName());
 				buf.append(File.separatorChar);
 				buf.append(ns.getSchemaResource());
diff --git a/x4o-driver/src/main/java/org/x4o/xml/io/sax/X4OErrorHandler.java b/x4o-driver/src/main/java/org/x4o/xml/io/sax/X4OErrorHandler.java
index 39711a5..0cb2474 100644
--- a/x4o-driver/src/main/java/org/x4o/xml/io/sax/X4OErrorHandler.java
+++ b/x4o-driver/src/main/java/org/x4o/xml/io/sax/X4OErrorHandler.java
@@ -72,7 +72,7 @@ public class X4OErrorHandler implements ErrorHandler {
 	 * Prints the error message to string.
 	 */
 	private String printErrorString(boolean isError, SAXParseException exception) {
-		StringBuffer buf = new StringBuffer(50);
+		StringBuilder buf = new StringBuilder(50);
 		buf.append(exception.getSystemId());
 		buf.append(":");
 		buf.append(exception.getLineNumber());
diff --git a/x4o-driver/src/main/java/org/x4o/xml/io/sax/ext/AbstractContentWriterHandler.java b/x4o-driver/src/main/java/org/x4o/xml/io/sax/ext/AbstractContentWriterHandler.java
index cc79578..5ab876e 100644
--- a/x4o-driver/src/main/java/org/x4o/xml/io/sax/ext/AbstractContentWriterHandler.java
+++ b/x4o-driver/src/main/java/org/x4o/xml/io/sax/ext/AbstractContentWriterHandler.java
@@ -61,7 +61,7 @@ public class AbstractContentWriterHandler implements ContentHandler {
 	private int indent = 0;
 	private Map<String,String> prefixMapping = null;
 	private List<String> printedMappings = null;
-	private StringBuffer startElement = null;
+	private StringBuilder startElement = null;
 	private boolean printReturn = false;
 	private String lastElement = null;
 	private Stack<String> elements = null;
@@ -248,7 +248,7 @@ public class AbstractContentWriterHandler implements ContentHandler {
 			throw new SAXException("LocalName of element is not valid in xml; '"+localName+"'");
 		}
 		autoCloseStartElement();
-		startElement = new StringBuffer(200);
+		startElement = new StringBuilder(200);
 		startElement.append(getPropertyConfig().getPropertyString(OUTPUT_CHAR_NEWLINE));
 		for (int i = 0; i < indent; i++) {
 			startElement.append(getPropertyConfig().getPropertyString(OUTPUT_CHAR_TAB));
diff --git a/x4o-driver/src/main/java/org/x4o/xml/lang/DefaultX4OLanguageLoader.java b/x4o-driver/src/main/java/org/x4o/xml/lang/DefaultX4OLanguageLoader.java
index d1d3152..4151b55 100644
--- a/x4o-driver/src/main/java/org/x4o/xml/lang/DefaultX4OLanguageLoader.java
+++ b/x4o-driver/src/main/java/org/x4o/xml/lang/DefaultX4OLanguageLoader.java
@@ -267,7 +267,7 @@ TODO:		if (language.getLanguageConfiguration().hasX4ODebugWriter()) {
 	}
 	
 	private class ModulesTagHandler extends DefaultHandler2 {
-		private StringBuffer buf = new StringBuffer();
+		private StringBuilder buf = new StringBuilder();
 		private String loadedFrom = null;
 		private VersionedResources versionedResources = null;
 		private List<VersionedResources> result = null;
@@ -302,7 +302,7 @@ TODO:		if (language.getLanguageConfiguration().hasX4ODebugWriter()) {
 			
 			// Get and clear text
 			String value = buf.toString();
-			buf = new StringBuffer();
+			buf = new StringBuilder();
 			
 			// Skip root and language and non versions
 			if ("modules".equals(tag)) {
diff --git a/x4o-driver/src/main/java/org/x4o/xml/lang/task/AbstractX4OLanguageTask.java b/x4o-driver/src/main/java/org/x4o/xml/lang/task/AbstractX4OLanguageTask.java
index 8f40c28..819fded 100644
--- a/x4o-driver/src/main/java/org/x4o/xml/lang/task/AbstractX4OLanguageTask.java
+++ b/x4o-driver/src/main/java/org/x4o/xml/lang/task/AbstractX4OLanguageTask.java
@@ -64,7 +64,7 @@ public abstract class AbstractX4OLanguageTask implements X4OLanguageTask {
 		if (keys.isEmpty()) {
 			return config;
 		}
-		StringBuffer buf = new StringBuffer(100);
+		StringBuilder buf = new StringBuilder(100);
 		buf.append("Error missing value(s) for key(s) {");
 		for (int i=0;i<keys.size();i++) {
 			buf.append('"');
diff --git a/x4o-driver/src/main/java/org/x4o/xml/lang/task/run/X4OTaskCommandLine.java b/x4o-driver/src/main/java/org/x4o/xml/lang/task/run/X4OTaskCommandLine.java
index 63bd69e..cd83f75 100644
--- a/x4o-driver/src/main/java/org/x4o/xml/lang/task/run/X4OTaskCommandLine.java
+++ b/x4o-driver/src/main/java/org/x4o/xml/lang/task/run/X4OTaskCommandLine.java
@@ -196,7 +196,7 @@ public class X4OTaskCommandLine {
 	}
 	
 	private String unescapeDefault(String defaultValue) {
-		StringBuffer buf = new StringBuffer(defaultValue.length()+10);
+		StringBuilder buf = new StringBuilder(defaultValue.length()+10);
 		for (char c:defaultValue.toCharArray()) {
 			if (c=='\n') {
 				buf.append("\\n");continue;
diff --git a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/EldDocWriter.java b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/EldDocWriter.java
index 2779656..ac1c9d8 100644
--- a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/EldDocWriter.java
+++ b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/EldDocWriter.java
@@ -274,7 +274,7 @@ public class EldDocWriter {
 	}
 	
 	private String createPageSubTitle() {
-		StringBuffer buf = new StringBuffer(100);
+		StringBuilder buf = new StringBuilder(100);
 		buf.append(language.getLanguageName());
 		buf.append(" ");// note use real space as 'html/header/title' will not always escape entities. TODO: add to html writer
 		buf.append(language.getLanguageVersion());
@@ -283,7 +283,7 @@ public class EldDocWriter {
 	}
 	
 	private String createLanguageAbout() {
-		StringBuffer buf = new StringBuffer(100);
+		StringBuilder buf = new StringBuilder(100);
 		buf.append("XML X4O Language\n");
 		buf.append(language.getLanguageName().toUpperCase());
 		buf.append("&trade;&nbsp;");
@@ -293,7 +293,7 @@ public class EldDocWriter {
 	
 	private String createLanguageCopyright() {
 		Calendar calendar = Calendar.getInstance();
-		StringBuffer buf = new StringBuffer(100);
+		StringBuilder buf = new StringBuilder(100);
 		buf.append("Copyright&nbsp;&#x00a9;&nbsp;");
 		buf.append(calendar.get(Calendar.YEAR));
 		buf.append("&nbsp;");
diff --git a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/EldDocWriterElementClass.java b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/EldDocWriterElementClass.java
index cfe45e8..b954f99 100644
--- a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/EldDocWriterElementClass.java
+++ b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/EldDocWriterElementClass.java
@@ -164,7 +164,7 @@ public class EldDocWriterElementClass extends AbstractApiDocWriter {
 	}
 	
 	private String toElementUri(String pathPrefix,X4OLanguageModule mod,ElementNamespace namespace,ElementClass ec) {
-		StringBuffer buf = new StringBuffer(100);
+		StringBuilder buf = new StringBuilder(100);
 		if (pathPrefix!=null) {
 			buf.append(pathPrefix);
 		}
diff --git a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/EldDocXTreePageWriter.java b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/EldDocXTreePageWriter.java
index ab45aad..0d287be 100644
--- a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/EldDocXTreePageWriter.java
+++ b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/EldDocXTreePageWriter.java
@@ -108,7 +108,7 @@ public class EldDocXTreePageWriter extends DefaultPageWriterTree implements ApiD
 		}
 	}
 	private String toElementUri(String pathPrefix,X4OLanguageModule mod,ElementNamespace namespace,ElementClass ec) {
-		StringBuffer buf = new StringBuffer(100);
+		StringBuilder buf = new StringBuilder(100);
 		if (pathPrefix!=null) {
 			buf.append(pathPrefix);
 		}
diff --git a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/AbstractApiDocWriter.java b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/AbstractApiDocWriter.java
index 62540b8..5bdf805 100644
--- a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/AbstractApiDocWriter.java
+++ b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/AbstractApiDocWriter.java
@@ -183,7 +183,7 @@ public abstract class AbstractApiDocWriter {
 			return "class "+cls.getName();
 		}
 		if (value instanceof List) {
-			StringBuffer buf = new StringBuffer(100);
+			StringBuilder buf = new StringBuilder(100);
 			buf.append("[L: ");
 			List<?> l = (List<?>)value;
 			if (l.isEmpty()) {
@@ -197,7 +197,7 @@ public abstract class AbstractApiDocWriter {
 			return buf.toString();
 		}
 		if (value instanceof Object[]) {
-			StringBuffer buf = new StringBuffer(100);
+			StringBuilder buf = new StringBuilder(100);
 			buf.append("[A: ");
 			Object[] l = (Object[])value;
 			if (l.length==0) {
diff --git a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/ApiDocContentWriter.java b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/ApiDocContentWriter.java
index c009337..2cbb5cc 100644
--- a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/ApiDocContentWriter.java
+++ b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/ApiDocContentWriter.java
@@ -68,7 +68,7 @@ public class ApiDocContentWriter extends ContentWriterHtml {
 		// ======= Write body
 		printTagStart(Tag.body);
 		
-		StringBuffer script = new StringBuffer();
+		StringBuilder script = new StringBuilder();
 		script.append("\n");
 		script.append("\tif (location.href.indexOf('is-external=true') == -1) {\n");
 		script.append("\t\tparent.document.title=\"");script.append(title);script.append("\";\n");
@@ -300,7 +300,7 @@ public class ApiDocContentWriter extends ContentWriterHtml {
 	}
 	
 	static public String toSafeUri(String...paths) {
-		StringBuffer result = new StringBuffer(100);
+		StringBuilder result = new StringBuilder(100);
 		for (int i=0;i<paths.length;i++) {
 			String path=paths[i];
 			result.append(toSafeUri(path));
diff --git a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/ApiDocWriter.java b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/ApiDocWriter.java
index acda83e..e64f982 100644
--- a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/ApiDocWriter.java
+++ b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/ApiDocWriter.java
@@ -422,7 +422,7 @@ public class ApiDocWriter extends AbstractApiDocWriter {
 			writer.printTagEnd(Tag.li);
 		} else {
 			writer.printTagStart(Tag.li);
-			StringBuffer buf = new StringBuffer(20);
+			StringBuilder buf = new StringBuilder(20);
 			for (int i=1;i<linkPrefixCount;i++) {
 				buf.append("../");
 			}
@@ -596,7 +596,7 @@ public class ApiDocWriter extends AbstractApiDocWriter {
 	}
 	
 	private void writeStyleSheetResources(List<String> resources) throws IOException, SecurityException, InterruptedException {
-		StringBuffer cssData = new StringBuffer();
+		StringBuilder cssData = new StringBuilder();
 		for (String cssResource:resources) {
 			appendResourceToBuffer(cssData,cssResource);
 		}
@@ -891,7 +891,7 @@ public class ApiDocWriter extends AbstractApiDocWriter {
 		}
 	}
 	
-	private void appendResourceToBuffer(StringBuffer buffer,String resource) throws IOException {
+	private void appendResourceToBuffer(StringBuilder buffer,String resource) throws IOException {
 		ClassLoader cl = X4OLanguageClassLoader.getClassLoader();
 		BufferedReader reader = null;
 		try {
@@ -948,7 +948,7 @@ public class ApiDocWriter extends AbstractApiDocWriter {
 	}
 	
 	private File createOutputPathFile(File basePath,String...argu) {
-		StringBuffer buf = new StringBuffer(200);
+		StringBuilder buf = new StringBuilder(200);
 		buf.append(basePath.getAbsolutePath());
 		buf.append(File.separatorChar);
 		for (int i=0;i<argu.length-1;i++) {
diff --git a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/DefaultPageWriterTree.java b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/DefaultPageWriterTree.java
index 0d77fc8..325f3a9 100644
--- a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/DefaultPageWriterTree.java
+++ b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/DefaultPageWriterTree.java
@@ -69,7 +69,7 @@ public class DefaultPageWriterTree implements ApiDocPageWriter {
 			}
 		}
 		
-		StringBuffer buf = new StringBuffer();
+		StringBuilder buf = new StringBuilder();
 		if (!doc.getRootNode().equals(node)) {
 			buildParentPath(node,buf);
 		}
@@ -92,7 +92,7 @@ public class DefaultPageWriterTree implements ApiDocPageWriter {
 		writer.printTagEnd(Tag.ul);
 	}
 	
-	private void buildParentPath(ApiDocNode node,StringBuffer buf) {
+	private void buildParentPath(ApiDocNode node,StringBuilder buf) {
 		if (node.getParent()==null) {
 			buf.append(ApiDocContentWriter.toSafeUri(node.getId()));
 			buf.append('/');
diff --git a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/dom/ApiDoc.java b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/dom/ApiDoc.java
index aa40a60..a99e862 100644
--- a/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/dom/ApiDoc.java
+++ b/x4o-eld-doc/src/main/java/org/x4o/xml/eld/doc/api/dom/ApiDoc.java
@@ -347,7 +347,7 @@ public class ApiDoc {
 	 */
 	public void createDocCopyright(String owner) {
 		Calendar calendar = Calendar.getInstance();
-		StringBuffer buf = new StringBuffer(100);
+		StringBuilder buf = new StringBuilder(100);
 		buf.append("Copyright&nbsp;&#x00a9;&nbsp;");
 		buf.append(calendar.get(Calendar.YEAR));
 		buf.append("&nbsp;");