| // Copyright 2011 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry5.internal.plastic; |
| |
| public class PlasticClassLoader extends ClassLoader |
| { |
| static |
| { |
| // TAP5-2546 |
| ClassLoader.registerAsParallelCapable(); |
| } |
| |
| private final ClassLoaderDelegate delegate; |
| |
| public PlasticClassLoader(ClassLoader parent, ClassLoaderDelegate delegate) |
| { |
| super(parent); |
| |
| this.delegate = delegate; |
| } |
| |
| @Override |
| protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException |
| { |
| synchronized(getClassLoadingLock(name)) |
| { |
| Class<?> loadedClass = findLoadedClass(name); |
| |
| if (loadedClass != null) |
| return loadedClass; |
| |
| if (delegate.shouldInterceptClassLoading(name)) |
| { |
| Class<?> c = delegate.loadAndTransformClass(name); |
| |
| if (resolve) |
| resolveClass(c); |
| |
| return c; |
| } else |
| { |
| return super.loadClass(name, resolve); |
| } |
| } |
| } |
| |
| public synchronized Class<?> defineClassWithBytecode(String className, byte[] bytecode) |
| { |
| synchronized(getClassLoadingLock(className)) |
| { |
| return defineClass(className, bytecode, 0, bytecode.length); |
| } |
| } |
| } |