78 lines
2.3 KiB
Java
78 lines
2.3 KiB
Java
/*
|
|
* 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.catalina.startup;
|
|
|
|
|
|
import java.lang.reflect.Method;
|
|
|
|
import org.apache.catalina.Container;
|
|
import org.apache.tomcat.util.digester.Rule;
|
|
import org.xml.sax.Attributes;
|
|
|
|
|
|
/**
|
|
* <p>Rule that copies the <code>parentClassLoader</code> property from the
|
|
* next-to-top item on the stack (which must be a <code>Container</code>)
|
|
* to the top item on the stack (which must also be a
|
|
* <code>Container</code>).</p>
|
|
*
|
|
* @author Craig R. McClanahan
|
|
*/
|
|
public class CopyParentClassLoaderRule extends Rule {
|
|
|
|
|
|
// ----------------------------------------------------------- Constructors
|
|
|
|
|
|
/**
|
|
* Construct a new instance of this Rule.
|
|
*/
|
|
public CopyParentClassLoaderRule() {
|
|
}
|
|
|
|
|
|
// --------------------------------------------------------- Public Methods
|
|
|
|
|
|
/**
|
|
* Handle the beginning of an XML element.
|
|
*
|
|
* @param attributes The attributes of this element
|
|
*
|
|
* @exception Exception if a processing error occurs
|
|
*/
|
|
@Override
|
|
public void begin(String namespace, String name, Attributes attributes)
|
|
throws Exception {
|
|
|
|
if (digester.getLogger().isDebugEnabled())
|
|
digester.getLogger().debug("Copying parent class loader");
|
|
Container child = (Container) digester.peek(0);
|
|
Object parent = digester.peek(1);
|
|
Method method =
|
|
parent.getClass().getMethod("getParentClassLoader", new Class[0]);
|
|
ClassLoader classLoader =
|
|
(ClassLoader) method.invoke(parent, new Object[0]);
|
|
child.setParentClassLoader(classLoader);
|
|
|
|
}
|
|
|
|
|
|
}
|