| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.codehaus.groovy.reflection; |
| |
| import groovy.lang.MetaClassImpl; |
| import groovy.lang.MetaMethod; |
| import org.codehaus.groovy.runtime.callsite.CallSite; |
| import org.codehaus.groovy.runtime.callsite.GroovySunClassLoader; |
| |
| import java.lang.ref.SoftReference; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.Method; |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| public class ClassLoaderForClassArtifacts extends ClassLoader { |
| public final SoftReference<Class> klazz; |
| private final AtomicInteger classNamesCounter = new AtomicInteger(-1); |
| |
| public ClassLoaderForClassArtifacts(Class klazz) { |
| super(klazz.getClassLoader()); |
| this.klazz = new SoftReference<Class> (klazz); |
| } |
| |
| public Class define (String name, byte [] bytes) { |
| Class cls = defineClass(name, bytes, 0, bytes.length, klazz.get().getProtectionDomain()); |
| resolveClass(cls); |
| return cls; |
| } |
| |
| public Class loadClass(String name) throws ClassNotFoundException { |
| Class cls = findLoadedClass(name); |
| if (cls != null) |
| return cls; |
| |
| if (GroovySunClassLoader.sunVM != null) { |
| cls = GroovySunClassLoader.sunVM.doesKnow(name); |
| if (cls != null) |
| return cls; |
| } |
| |
| return super.loadClass(name); |
| } |
| |
| public String createClassName(Method method) { |
| return createClassName(method.getName()); |
| } |
| |
| public String createClassName(String methodName) { |
| final String name; |
| final String clsName = klazz.get().getName(); |
| if (clsName.startsWith("java.")) |
| name = clsName.replace('.','_') + "$" + methodName; |
| else |
| name = clsName + "$" + methodName; |
| int suffix = classNamesCounter.getAndIncrement(); |
| return suffix == -1? name : name + "$" + suffix; |
| } |
| |
| public Constructor defineClassAndGetConstructor(final String name, final byte[] bytes) { |
| final Class cls = AccessController.doPrivileged( new PrivilegedAction<Class>(){ |
| public Class run() { |
| return define(name, bytes); |
| } |
| }); |
| |
| if (cls != null) { |
| try { |
| return cls.getConstructor(CallSite.class, MetaClassImpl.class, MetaMethod.class, Class[].class, Constructor.class); |
| } catch (NoSuchMethodException e) { // |
| } |
| } |
| return null; |
| } |
| } |