org.jboss.marshalling.cloner.ClassLoaderClassCloner Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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.jboss.marshalling.cloner;
import java.io.IOException;
import java.lang.reflect.Proxy;
/**
* A class cloner which uses the given class loader to resolve classes.
*/
public class ClassLoaderClassCloner implements ClassCloner {
private final ClassLoader destClassLoader;
/**
* Construct a new instance.
*
* @param destClassLoader the class loader to use
*/
public ClassLoaderClassCloner(final ClassLoader destClassLoader) {
this.destClassLoader = destClassLoader;
}
/** {@inheritDoc} */
public Class clone(final Class original) throws IOException, ClassNotFoundException {
if (original.isPrimitive()) {
return original;
}
final String name = original.getName();
if (name.startsWith("java.")) {
return original;
} else if (original.getClassLoader() == destClassLoader) {
return original;
} else {
return Class.forName(name, true, destClassLoader);
}
}
/** {@inheritDoc} */
public Class cloneProxy(final Class proxyClass) throws IOException, ClassNotFoundException {
final Class[] origInterfaces = proxyClass.getInterfaces();
final Class[] interfaces = new Class[origInterfaces.length];
for (int i = 0, origInterfacesLength = origInterfaces.length; i < origInterfacesLength; i++) {
interfaces[i] = clone(origInterfaces[i]);
}
return Proxy.getProxyClass(destClassLoader, interfaces);
}
}