CompositeClassLoader.java

private static class CompositeClassLoader extends ClassLoader {
	    	private Vector<ClassLoader> classLoaders = new Vector<ClassLoader>();

	    	
	    	
			@Override
			public URL getResource(String name) {
				for (ClassLoader cl : classLoaders) {
					   
					URL resource = cl.getResource(name);
					if (resource != null)
						   return resource;
					   
				}
				
				return null;
			}

			@Override
			public Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
				
				for (ClassLoader cl : classLoaders) {
				   try {
					   return cl.loadClass(name);
				   } catch (ClassNotFoundException ex) {
					   
				   }
				}
				
				throw new ClassNotFoundException(name);
			}
	    	
	    	public void addClassLoader(ClassLoader cl) {
	    		classLoaders.add(cl);
	    	}
	    		
	    		
	    }