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Jetty example source code file (StreamEndPoint.java)

This example Jetty source code file (StreamEndPoint.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, endpoint, full, inputstream, io, ioexception, ioexception, object, outputstream, outputstream, streamendpoint, streamendpoint, string, string

The Jetty StreamEndPoint.java source code

//========================================================================
//$Id: StreamEndPoint.java,v 1.1 2005/10/05 14:09:39 janb Exp $
//Copyright 2004-2005 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.io.bio;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import org.mortbay.io.Buffer;
import org.mortbay.io.EndPoint;

/**
 * @author gregw
 *
 * To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
public class StreamEndPoint implements EndPoint
{
    InputStream _in;
    OutputStream _out;

    /**
     * 
     */
    public StreamEndPoint(InputStream in, OutputStream out)
    {
        _in=in;
        _out=out;
    }
    
    public boolean isBlocking()
    {
        return true;
    }

    public boolean blockReadable(long millisecs) throws IOException
    {
        return true;
    }
    
    public boolean blockWritable(long millisecs) throws IOException
    {
        return true;
    }

    /* 
     * @see org.mortbay.io.BufferIO#isOpen()
     */
    public boolean isOpen()
    {
        return _in!=null;
    }

    /* 
     * @see org.mortbay.io.BufferIO#isOpen()
     */
    public final boolean isClosed()
    {
        return !isOpen();
    }

    /* 
     * @see org.mortbay.io.BufferIO#close()
     */
    public void close() throws IOException
    {
        if (_in!=null)
            _in.close();
        _in=null;
        if (_out!=null)
            _out.close();
        _out=null;
    }

    /* (non-Javadoc)
     * @see org.mortbay.io.BufferIO#fill(org.mortbay.io.Buffer)
     */
    public int fill(Buffer buffer) throws IOException
    {
        // TODO handle null array()
        if (_in==null)
            return 0;
            
    	int space=buffer.space();
    	if (space<=0)
    	{
    	    if (buffer.hasContent())
    	        return 0;
    	    throw new IOException("FULL");
    	}
        
        int len = buffer.readFrom(_in,space);
    
    	return len;
    }

    /* (non-Javadoc)
     * @see org.mortbay.io.BufferIO#flush(org.mortbay.io.Buffer)
     */
    public int flush(Buffer buffer) throws IOException
    {
        // TODO handle null array()
        if (_out==null)
            return -1;
        int length=buffer.length();
        if (length>0)
            buffer.writeTo(_out);
        buffer.clear();
        return length;
    }

    /* (non-Javadoc)
     * @see org.mortbay.io.BufferIO#flush(org.mortbay.io.Buffer, org.mortbay.io.Buffer, org.mortbay.io.Buffer)
     */
    public int flush(Buffer header, Buffer buffer, Buffer trailer) throws IOException
    {
        int len=0;
        
        // TODO  consider copying buffer and trailer into header if there is space.
        
        
        if (header!=null)
        {
            int tw=header.length();
            if (tw>0)
            {
                int f=flush(header);
                len=f;
                if (f<tw)
                    return len;
            }
        }
        
        if (buffer!=null)
        {
            int tw=buffer.length();
            if (tw>0)
            {
                int f=flush(buffer);
                if (f<0)
                    return len>0?len:f;
                len+=f;
                if (f<tw)
                    return len;
            }
        }
        
        if (trailer!=null)
        {
            int tw=trailer.length();
            if (tw>0)
            {
                int f=flush(trailer);
                if (f<0)
                    return len>0?len:f;
                len+=f;
            }
        }
        return len;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.io.EndPoint#getLocalAddr()
     */
    public String getLocalAddr()
    {
        return null;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.io.EndPoint#getLocalHost()
     */
    public String getLocalHost()
    {
        return null;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.io.EndPoint#getLocalPort()
     */
    public int getLocalPort()
    {
        return 0;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.io.EndPoint#getRemoteAddr()
     */
    public String getRemoteAddr()
    {
        return null;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.io.EndPoint#getRemoteHost()
     */
    public String getRemoteHost()
    {
        return null;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.io.EndPoint#getRemotePort()
     */
    public int getRemotePort()
    {
        return 0;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.io.EndPoint#getConnection()
     */
    public Object getTransport()
    {
        return null;
    }

    /* ------------------------------------------------------------ */
    public InputStream getInputStream()
    {
        return _in;
    }

    /* ------------------------------------------------------------ */
    public void setInputStream(InputStream in)
    {
        _in=in;
    }

    /* ------------------------------------------------------------ */
    public OutputStream getOutputStream()
    {
        return _out;
    }

    /* ------------------------------------------------------------ */
    public void setOutputStream(OutputStream out)
    {
        _out=out;
    }


    /* ------------------------------------------------------------ */
    public void flush()
        throws IOException
    {   
        _out.flush();
    }

    /* ------------------------------------------------------------ */
    public boolean isBufferingInput()
    {
        return false;
    }

    /* ------------------------------------------------------------ */
    public boolean isBufferingOutput()
    {
        return false;
    }

    /* ------------------------------------------------------------ */
    public boolean isBufferred()
    {
        return false;
    }

}

Other Jetty examples (source code examples)

Here is a short list of links related to this Jetty StreamEndPoint.java source code file:

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