org.apache.openejb.util.classloader.MultipleClassLoader Maven / Gradle / Ivy
/**
* 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.openejb.util.classloader;
/**
* Simply to be able to get rid of the openwebbeans classloader stuff
* without patching it.
*
*/
public class MultipleClassLoader extends ClassLoader {
private final ClassLoader second;
public MultipleClassLoader(ClassLoader first, ClassLoader second) {
super(first);
this.second = second;
}
@Override public Class loadClass(String name) throws ClassNotFoundException {
try {
return super.loadClass(name);
} catch (ClassNotFoundException cnfe) {
if (second != getParent()) {
return loadClassSecond(name);
}
throw cnfe;
} catch (NoClassDefFoundError ncdfe) {
if (second != getParent()) {
return loadClassSecond(name);
}
throw ncdfe;
} catch (LinkageError le) {
if (second != getParent()) {
return loadClassSecond(name);
}
throw le;
}
}
public Class loadClassSecond(String name) throws ClassNotFoundException {
return second.loadClass(name);
}
}