httpservermessagereceiver.java

jxme的一些相关程序,主要是手机上程序开发以及手机和计算机通信的一些程序资料,程序编译需要Ant支持

/*
 *
 * $Id: HttpServerMessageReceiver.java,v 1.6 2002/05/01 18:17:23 hamada Exp $
 *
 * Copyright (c) 2001 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *       Sun Microsystems, Inc. for Project JXTA."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA"
 *    must not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact Project JXTA at http://www.jxta.org.
 *
 * 5. Products derived from this software may not be called "JXTA",
 *    nor may "JXTA" appear in their name, without prior written
 *    permission of Sun.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL SUN MICROSYSTEMS OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Project JXTA.  For more
 * information on Project JXTA, please see
 * <http://www.jxta.org/>.
 *
 * This license is based on the BSD license adopted by the Apache Foundation.
 */


package net.jxta.impl.endpoint.servlethttp;

import java.net.InetAddress;
import java.net.UnknownHostException;
import java.io.IOException;

import net.jxta.peergroup.PeerGroup;
import net.jxta.impl.endpoint.servlethttp.MessageReceiver;
import net.jxta.endpoint.EndpointService;
import net.jxta.impl.protocol.*;
import net.jxta.protocol.*;

import org.apache.log4j.Category; 
import org.apache.log4j.Priority;

/**
 * This is the HTTP Server message receiver implementation.  You construct
 * The message receiver with a the http server you want to use.
 */
public class HttpServerMessageReceiver implements MessageReceiver {

    /** where the servlet is mounted in the servlet context **/
    private static final String RELATIVE_URI = "/";

    // XXX jbeatty. This should be put in a config file
    private static final int MIN_THREADS = 2;
    private static final int MAX_THREADS = 50;
    private static final int MAX_THREAD_IDLE_TIME = 60 * 1000;
    private static final int MAX_READ_TIME = 10 * 1000;

    private static final Category LOG = 
	Category.getInstance(HttpServerMessageReceiver.class.getName());

    /** the contained http server **/
    private JxtaHttpServer httpServer = null;

    /**
     * Constructs the receiver
     * @param httpServer the Http server.  Must be non-null.
     */
    public HttpServerMessageReceiver( JxtaHttpServer httpServer ) {

	if (httpServer==null)
	    throw new IllegalArgumentException("httpServer must be non-null");

	this.httpServer = httpServer;
    }

    /**
     * grab configuration information out of the endpoint adv and initialize 
     * the underlying server
     */
    public void init(PeerGroup group,
		     EndpointService endpoint, 
		     TransportAdvertisement transportAdv)
	throws IOException {

	HTTPAdv adv = (HTTPAdv) transportAdv;

	int port = new Integer(adv.getPort()).intValue();

	String localAddress = adv.getInterfaceAddress();
	InetAddress usingInterface = null;
	try {
	    if ((localAddress == null) || localAddress.equalsIgnoreCase("TBD")) {
		usingInterface = InetAddress.getLocalHost();
	    } else {
		usingInterface = InetAddress.getByName (localAddress);
	    }
	} catch (UnknownHostException e) {
	    throw new RuntimeException( "Could not find interface: " + 
					localAddress);
	}
	if (LOG.isEnabledFor(Priority.INFO)) LOG.info ("Using interface: " + usingInterface );

    }

    /**
     * Does not need to do anything. ServletHttpTransport controls
     * the lifecycle of the http server 
     **/
    public void start() throws IOException {
    }

    /**
     * Does not need to do anything. ServletHttpTransport controls
     * the lifecycle of the http server 
     **/
    public void stop() throws InterruptedException {
    }

    public String toString() {
	return ("HttpServerMessageReceiver");
    }
}