public boolean isPackage(char[][] parentPackageName, char[] packageName) {
			String fullName = CharOperation.toString(parentPackageName);
			if (packageName != null) {
				if (fullName.length() > 0)
					fullName += ".";
				
				fullName += new String(packageName); 
			}
			if (findType(fullName) != null)
				return false;		
					
			try{
				return (getClass().getClassLoader().loadClass(fullName) == null);
			}
			catch(ClassNotFoundException e) {
				return true;
			}
		}