org.fabric3.binding.ws.metro.util.ClassDefinerImpl Maven / Gradle / Ivy
/*
* Fabric3
* Copyright (c) 2009-2015 Metaform Systems
*
* 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.fabric3.binding.ws.metro.util;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.security.CodeSource;
import java.security.SecureClassLoader;
import org.oasisopen.sca.annotation.Init;
/**
*
*/
public class ClassDefinerImpl implements ClassDefiner {
private Method method;
@Init
public void init() throws NoSuchMethodException {
method = SecureClassLoader.class.getDeclaredMethod("defineClass", String.class, byte[].class, Integer.TYPE, Integer.TYPE, CodeSource.class);
method.setAccessible(true);
}
public Class defineClass(String name, byte[] bytes, SecureClassLoader loader) throws IllegalAccessException, InvocationTargetException {
try {
// check if the class was already generated
return loader.loadClass(name);
} catch (ClassNotFoundException e) {
// ignore
}
return (Class) method.invoke(loader, name, bytes, 0, bytes.length, getClass().getProtectionDomain().getCodeSource());
}
}