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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

classcastexception, engine, engine, engineconfig, engineconfig, lifecyclelistener, lifecyclelistener, stringmanager, stringmanager

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 org.apache.catalina.Engine;
import org.apache.catalina.Lifecycle;
import org.apache.catalina.LifecycleEvent;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.util.StringManager;

 * Startup event listener for a <b>Engine that configures the properties
 * of that Engine, and the associated defined contexts.
 * @author Craig R. McClanahan
 * @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $

public class EngineConfig
    implements LifecycleListener {

    protected static org.apache.juli.logging.Log log=
        org.apache.juli.logging.LogFactory.getLog( EngineConfig.class );

    // ----------------------------------------------------- Instance Variables

     * The Engine we are associated with.
    protected Engine engine = null;

     * The string resources for this package.
    protected static final StringManager sm =

    // --------------------------------------------------------- Public Methods

     * Process the START event for an associated Engine.
     * @param event The lifecycle event that has occurred
    public void lifecycleEvent(LifecycleEvent event) {

        // Identify the engine we are associated with
        try {
            engine = (Engine) event.getLifecycle();
        } catch (ClassCastException e) {
            log.error(sm.getString("engineConfig.cce", event.getLifecycle()), e);

        // Process the event that has occurred
        if (event.getType().equals(Lifecycle.START_EVENT))
        else if (event.getType().equals(Lifecycle.STOP_EVENT))


    // -------------------------------------------------------- Protected Methods

     * Process a "start" event for this Engine.
    protected void start() {

        if (engine.getLogger().isDebugEnabled())


     * Process a "stop" event for this Engine.
    protected void stop() {

        if (engine.getLogger().isDebugEnabled())



Other Tomcat examples (source code examples)

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

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