net.lightbody.bmp.proxy.jetty.util.Container Maven / Gradle / Ivy

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// ========================================================================
// $Id: Container.java,v 1.4 2005/08/13 08:49:59 gregwilkins Exp $
// Copyright 1999-2004 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed 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 net.lightbody.bmp.proxy.jetty.util;

import net.lightbody.bmp.proxy.jetty.http.HttpContext;
import net.lightbody.bmp.proxy.jetty.log.LogFactory;
import org.apache.commons.logging.Log;

import java.io.IOException;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.EventListener;



/* ------------------------------------------------------------ */
/** Abstract Container.
 * Provides base handling for LifeCycle and Component events.
 *
 * @version $Id: Container.java,v 1.4 2005/08/13 08:49:59 gregwilkins Exp $
 * @author Greg Wilkins (gregw)
 */
public abstract class Container implements LifeCycle,EventProvider,Serializable
{
    private static Log log = LogFactory.getLog(Container.class);
    
    private Object _eventListeners;
    private Object _components;
    
    private transient boolean _started;
    private transient boolean _starting;
    private transient boolean _stopping;

    
    /* ------------------------------------------------------------ */
    /** Start the server.
     * Generate LifeCycleEvents for starting and started either side of a call to doStart
     */
    public synchronized final void start()
    	throws Exception
    {
        if (_started || _starting)
            return;
        
        _starting=true;
        
        if (log.isDebugEnabled()) log.debug("Starting "+this);
        LifeCycleEvent event = new LifeCycleEvent(this);
        for(int i=0;i