alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Tomcat example source code file (EngineConfig.java)

This example Tomcat source code file (EngineConfig.java) is included in the DevDaily.com "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 EngineConfig.java 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
 * 
 *      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 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 =
        StringManager.getManager(Constants.Package);


    // --------------------------------------------------------- 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);
            return;
        }

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

    }


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


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

        if (engine.getLogger().isDebugEnabled())
            engine.getLogger().debug(sm.getString("engineConfig.start"));

    }


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

        if (engine.getLogger().isDebugEnabled())
            engine.getLogger().debug(sm.getString("engineConfig.stop"));

    }


}

Other Tomcat examples (source code examples)

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

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.