Added start of demo data of tech demo

vasc-demo/vasc-demo-tech/vasc-demo-tech-ui/src/main/java/net/forwardfire/vasc/demo/tech/ui/TomcatManager.java

@@ -0,0 +1,108 @@
+package net.forwardfire.vasc.demo.tech.ui;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.util.Enumeration;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+import java.util.logging.Logger;
+
+import net.forwardfire.vasc.core.VascController;
+
+import org.apache.catalina.startup.Tomcat;
+
+public class TomcatManager {
+
+	private Logger logger = null;
+	private Tomcat tomcat = null;
+	private VascController vascController = null;
+	
+	public TomcatManager() {
+		logger = Logger.getLogger(TomcatManager.class.getName());
+	}
+	
+	public void start() throws Exception {
+		Tomcat tomcat = new Tomcat();
+
+		String webPort = System.getenv("PORT");
+		if(webPort == null || webPort.isEmpty()) {
+			webPort = "8899";
+		}
+		tomcat.setPort(Integer.valueOf(webPort));
+		
+		if (System.getProperty("java.class.path").contains("classes")) {
+			String webappPathLocation = "../vasc-demo-tech-web/src/main/webapp/";
+			String deployPath = new File(webappPathLocation).getAbsolutePath();
+			logger.info("Deploy demo app from workspace path: "+deployPath);
+			tomcat.addWebapp("/demo",deployPath);
+		} else {
+			
+			File techWarFile = null;
+			for (File file:new File("lib").listFiles()) {
+				if (file.getName().endsWith("war")) {
+					techWarFile = file;
+					break;
+				}
+			}
+			if (techWarFile==null) {
+				throw new NullPointerException("Could not locate war file in lib directory.");
+			}
+			File destDir = new File("tomcat.wars"+File.separator+techWarFile.getName());
+			if (destDir.exists()==false) {
+				destDir.mkdirs();			
+				JarFile jar = new JarFile(techWarFile);
+				Enumeration<JarEntry> jars = jar.entries();
+				while (jars.hasMoreElements()) {
+				    java.util.jar.JarEntry file = jars.nextElement();
+				    java.io.File f = new java.io.File(destDir+File.separator+file.getName());
+				    if (file.isDirectory()) {
+				        f.mkdir();
+				        continue;
+				    }
+				    InputStream is = jar.getInputStream(file);
+				    FileOutputStream fos = new FileOutputStream(f);
+				    while (is.available() > 0) {
+				        fos.write(is.read()); // slow copy
+				    }
+				    fos.close();
+				    is.close();
+				}
+			}
+			String deployPath = destDir.getAbsolutePath();
+			logger.info("Deploy war path: "+deployPath);
+			tomcat.addWebapp("/demo",deployPath);
+		}
+		
+		instance = this;
+		
+		tomcat.start();
+	}
+	
+	public void stop() throws Exception {
+		if (tomcat==null) {
+			return;
+		}
+		tomcat.stop();
+		instance = null;
+	}
+
+	static private TomcatManager instance = null;
+	static public TomcatManager getInstance() {
+		return instance; // hackje to rm mvn 1-1 dep with ui
+	}
+	
+	/**
+	 * @return the vascController
+	 */
+	public VascController getVascController() {
+		return vascController;
+	}
+
+	/**
+	 * @param vascController the vascController to set
+	 */
+	public void setVascController(VascController vascController) {
+		this.vascController = vascController;
+	}
+}