Jetty example source code file (GrizzlyEndPoint.java)

This example Jetty source code file (GrizzlyEndPoint.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Jetty tags/keywords

buffer, bytebuffer, channelendpoint, continuation, grizzlyendpoint, grizzlyendpoint, httpconnection, httpconnection, io, ioexception, ioexception, nio, niobuffer, niobuffer

The Jetty GrizzlyEndPoint.java source code

//========================================================================
// Parts Copyright 2006 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 org.mortbay.jetty.grizzly;

import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.ByteChannel;
import java.nio.channels.GatheringByteChannel;
import java.nio.channels.SelectionKey;
import java.nio.channels.SocketChannel;
import org.mortbay.io.Buffer;

import org.mortbay.io.nio.ChannelEndPoint;
import org.mortbay.io.nio.NIOBuffer;
import org.mortbay.jetty.HttpConnection;
import org.mortbay.jetty.HttpParser;
import org.mortbay.jetty.grizzly.GrizzlySocketChannel;
import org.mortbay.log.Log;
import org.mortbay.util.ajax.Continuation;

public class GrizzlyEndPoint extends ChannelEndPoint
{
    protected HttpConnection _connection;
    
    public GrizzlyEndPoint(GrizzlyConnector connector,ByteChannel channel)
    throws IOException
    {
        // TODO: Needs an empty constructor?
        super(channel);
        
        //System.err.println("\nnew GrizzlyEndPoint channel="+channel);
        _connection = new HttpConnection(connector,this,connector.getServer());
    }
    
    public void handle() throws IOException
    {
        //System.err.println("GrizzlyEndPoint.handle "+this);
        
        try
        {
            //System.err.println("handle  "+this);
            _connection.handle();
        }
        finally
        {
            //System.err.println("handled "+this);
            Continuation continuation =  _connection.getRequest().getContinuation();
            if (continuation != null && continuation.isPending())
            {
                // We have a continuation
                // TODO something!
            }
            else
            {
                // something else... normally re-enable this connection is the selectset with the latest interested ops
            }
        }
        
    }
    
    /* (non-Javadoc)
     * @see org.mortbay.io.EndPoint#fill(org.mortbay.io.Buffer)
     */
    public int fill(Buffer buffer) throws IOException
    {
        Buffer buf = buffer.buffer();
        int len=0;

        NIOBuffer nbuf = (NIOBuffer)buf;
        ByteBuffer bbuf=nbuf.getByteBuffer();

        synchronized(nbuf)
        {
            try
            {
                if (bbuf.position() == 0)
                {
                    bbuf.position(buffer.putIndex());
                    len=_channel.read(bbuf);
                }
            }
            finally
            {
                buffer.setPutIndex(bbuf.position());
                bbuf.position(0);
            }
        }

        return len;
    }
    
    
    public boolean keepAlive()
    {
        return _connection.getGenerator().isPersistent();
    }
    
    public boolean isComplete()
    {
        return _connection.getGenerator().isComplete();
    }
    
    public boolean isBlocking()
    {
        return false;
    }
    
    public void setChannel(ByteChannel channel)
    {
        _channel = channel;
    }
    
    public void recycle()
    {
        _connection.destroy();
    }
    
    public HttpConnection getHttpConnection()
    {
        return _connection;
    }
    
    
}