/*
* 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.
*/
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().isTraceEnabled()) {
engine.getLogger().trace(sm.getString("engineConfig.start"));
}
}
/**
* Process a "stop" event for this Engine.
*/
protected void stop() {
if (engine.getLogger().isTraceEnabled()) {
engine.getLogger().trace(sm.getString("engineConfig.stop"));
}
}
}