Jetty example source code file (ByteArrayEndPoint.java)

This example Jetty source code file (ByteArrayEndPoint.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, bytearraybuffer, bytearraybuffer, bytearrayendpoint, closed, closed, endpoint, io, ioexception, ioexception, object, string, string

The Jetty ByteArrayEndPoint.java source code

//========================================================================
//$Id: ByteArrayEndPoint.java,v 1.2 2005/11/05 08:32:41 gregwilkins 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;

import java.io.IOException;



/* ------------------------------------------------------------ */
/** ByteArrayEndPoint.
 * @author gregw
 *
 */
public class ByteArrayEndPoint implements EndPoint
{
    byte[] _inBytes;
    ByteArrayBuffer _in;
    ByteArrayBuffer _out;
    boolean _closed;
    boolean _nonBlocking;
    boolean _growOutput;

    /* ------------------------------------------------------------ */
    /**
     * 
     */
    public ByteArrayEndPoint()
    {
    }
    
    /* ------------------------------------------------------------ */
    /**
     * @return the nonBlocking
     */
    public boolean isNonBlocking()
    {
        return _nonBlocking;
    }

    /* ------------------------------------------------------------ */
    /**
     * @param nonBlocking the nonBlocking to set
     */
    public void setNonBlocking(boolean nonBlocking)
    {
        _nonBlocking=nonBlocking;
    }

    /* ------------------------------------------------------------ */
    /**
     * 
     */
    public ByteArrayEndPoint(byte[] input, int outputSize)
    {
        _inBytes=input;
        _in=new ByteArrayBuffer(input);
        _out=new ByteArrayBuffer(outputSize);
    }

    /* ------------------------------------------------------------ */
    /**
     * @return Returns the in.
     */
    public ByteArrayBuffer getIn()
    {
        return _in;
    }
    /* ------------------------------------------------------------ */
    /**
     * @param in The in to set.
     */
    public void setIn(ByteArrayBuffer in)
    {
        _in = in;
    }
    /* ------------------------------------------------------------ */
    /**
     * @return Returns the out.
     */
    public ByteArrayBuffer getOut()
    {
        return _out;
    }
    /* ------------------------------------------------------------ */
    /**
     * @param out The out to set.
     */
    public void setOut(ByteArrayBuffer out)
    {
        _out = out;
    }
    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.io.EndPoint#isOpen()
     */
    public boolean isOpen()
    {
        return !_closed;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.io.EndPoint#isBlocking()
     */
    public boolean isBlocking()
    {
        return !_nonBlocking;
    }

    /* ------------------------------------------------------------ */
    public boolean blockReadable(long millisecs)
    {
        return true;
    }

    /* ------------------------------------------------------------ */
    public boolean blockWritable(long millisecs)
    {
        return true;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.io.EndPoint#close()
     */
    public void close() throws IOException
    {
        _closed=true;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.io.EndPoint#fill(org.mortbay.io.Buffer)
     */
    public int fill(Buffer buffer) throws IOException
    {
        if (_closed)
            throw new IOException("CLOSED");
        if (_in==null)
            return -1;
        if (_in.length()<=0)
            return _nonBlocking?0:-1;
        int len = buffer.put(_in);
        _in.skip(len);
        return len;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.io.EndPoint#flush(org.mortbay.io.Buffer)
     */
    public int flush(Buffer buffer) throws IOException
    {
        if (_closed)
            throw new IOException("CLOSED");
        if (_growOutput && buffer.length()>_out.space())
        {
            _out.compact();

            if (buffer.length()>_out.space())
            {
                ByteArrayBuffer n = new ByteArrayBuffer(_out.putIndex()+buffer.length());

                n.put(_out.peek(0,_out.putIndex()));
                if (_out.getIndex()>0)
                {
                    n.mark();
                    n.setGetIndex(_out.getIndex());
                }
                _out=n;
            }
        }
        int len = _out.put(buffer);
        buffer.skip(len);
        return len;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.io.EndPoint#flush(org.mortbay.io.Buffer, org.mortbay.io.Buffer, org.mortbay.io.Buffer)
     */
    public int flush(Buffer header, Buffer buffer, Buffer trailer) throws IOException
    {
        if (_closed)
            throw new IOException("CLOSED");
        
        int flushed=0;
        
        if (header!=null && header.length()>0)
            flushed=flush(header);
        
        if (header==null || header.length()==0)
        {
            if (buffer!=null && buffer.length()>0)
                flushed+=flush(buffer);
            
            if (buffer==null || buffer.length()==0)
            {
                if (trailer!=null && trailer.length()>0)
                {
                    flushed+=flush(trailer);
                }
            }
        }
        
        return flushed;
    }

    /* ------------------------------------------------------------ */
    /**
     * 
     */
    public void reset()
    {
        _closed=false;
        _in.clear();
        _out.clear();
        if (_inBytes!=null)
            _in.setPutIndex(_inBytes.length);
    }

    /* ------------------------------------------------------------ */
    /* 
     * @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 _inBytes;
    }

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

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

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

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

    /* ------------------------------------------------------------ */
    /**
     * @return the growOutput
     */
    public boolean isGrowOutput()
    {
        return _growOutput;
    }

    /* ------------------------------------------------------------ */
    /**
     * @param growOutput the growOutput to set
     */
    public void setGrowOutput(boolean growOutput)
    {
        _growOutput=growOutput;
    }


}