private final JarClassLoader parent;
public DynamicClassLoader(String dir) {
classes = Collections.synchronizedMap( new HashMap<String, Class>() );
dirPath = dir;
parent = new JarClassLoader();
parent.getLocalLoader().setOrder(2);
parent.getCurrentLoader().setOrder(3);
parent.getParentLoader().setOrder(4);
parent.getThreadLoader().setOrder(5);
parent.getSystemLoader().setOrder(6);