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products/Sources/formale Sprachen/Java/Tomcat/java/org/apache/catalina/startup/ (Apache Software Stiftung Version 2.4.65^©) Datei vom 10.10.2023 mit Größe 3 kB

Quelle EngineConfig.java Sprache: 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 org.apache.catalina.Engine;
import org.apache.catalina.Lifecycle;
import org.apache.catalina.LifecycleEvent;
import org.apache.catalina.LifecycleListener;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.res.StringManager;

/**
* Startup event listener for an <b>Engine</b> that configures the properties
* of that Engine, and the associated defined contexts.
*
* @author Craig R. McClanahan
*/
public class EngineConfig
    implements LifecycleListener {

    private static final Log log = 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
     */
    @Override
    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"));
        }

    }

}

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