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Tomcat example source code file (

This example Tomcat source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

attributes, class, classloader, classloader, container, container, copying, copyparentclassloaderrule, copyparentclassloaderrule, method, object, object, reflection, rule, sax, string

The Tomcat source code

 * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * 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 parentClassLoader property from the
 * next-to-top item on the stack (which must be a <code>Container)
 * to the top item on the stack (which must also be a
 * <code>Container).

* * @author Craig R. McClanahan * @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $ */ 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 */ 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); } }

Other Tomcat examples (source code examples)

Here is a short list of links related to this Tomcat source code file:

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