ajphandler.java

Tomcat 4.1与WebServer集成组件的源代码包.

/*
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999 The Apache Software Foundation.  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 acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
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 * 5. Products derived from this software may not be called "Apache"
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * 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 the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */

package org.apache.ajp;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.util.Enumeration;
import java.security.*;

import org.apache.tomcat.util.http.*;
import org.apache.tomcat.util.buf.*;

/**
 * Base class for handlers of Ajp messages. Jk provide a simple bidirectional 
 * communication mechanism between the web server and a servlet container. It is
 * based on messages that are passed between the 2 server, using a single
 * thread on each side.
 *
 * The container side must be able to deal with at least the "REQUEST FORWARD",
 * the server side must be able to deal with at least "HEADERS", "BODY",
 * "END" messages.
 *
 * @author Henri Gomez
 * @author Costin Manolache
 */
public class AjpHandler
{
    public static final int UNKNOWN=-1;
    Ajp13 channel;
    
    public void init( Ajp13 channel ) {
        this.channel=channel;
    }
    
    /** Execute the callback 
     */
    public int handleAjpMessage( int type, Ajp13 channel,
				 Ajp13Packet ajp, BaseRequest req )
	throws IOException
    {
	return UNKNOWN;
    }
}