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/*
* 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.apache.tuscany.sca.interfacedef.java.jaxws;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.HashMap;
import java.util.Map;
public class GeneratedClassLoader extends URLClassLoader {
private class GeneratedClass {
private String className;
private byte[] byteCode;
private Class<?> cls;
public GeneratedClass(String className, byte[] byteCode) {
super();
this.className = className;
this.byteCode = byteCode;
}
public synchronized Class<?> getGeneratedClass() {
if (cls == null) {
cls = defineClass(className, byteCode, 0, byteCode.length);
}
return cls;
}
}
private Map<String, GeneratedClass> generatedClasses = new HashMap<String, GeneratedClass>();
public GeneratedClassLoader(ClassLoader parentLoader) {
super(new URL[0], parentLoader);
}
@Override
protected Class<?> findClass(String className) throws ClassNotFoundException {
GeneratedClass cls = generatedClasses.get(className);
if (cls != null) {
return cls.getGeneratedClass();
}
return super.findClass(className);
}
public synchronized Class<?> getGeneratedClass(String className, byte[] byteCode) {
GeneratedClass cls = generatedClasses.get(className);
if (cls == null) {
cls = new GeneratedClass(className, byteCode);
generatedClasses.put(className, cls);
}
return cls.getGeneratedClass();
}
}
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