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Ehcache is an open source, standards-based cache used to boost performance,
offload the database and simplify scalability. Ehcache is robust, proven and full-featured and
this has made it the most widely-used Java-based cache.
//
// ========================================================================
// Copyright (c) 1995-2012 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.io.bio;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.SocketTimeoutException;
import org.eclipse.jetty.io.Buffer;
import org.eclipse.jetty.io.EndPoint;
public class StreamEndPoint implements EndPoint
{
InputStream _in;
OutputStream _out;
int _maxIdleTime;
boolean _ishut;
boolean _oshut;
/**
*
*/
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.eclipse.io.BufferIO#isOpen()
*/
public boolean isOpen()
{
return _in!=null;
}
/*
* @see org.eclipse.io.BufferIO#isOpen()
*/
public final boolean isClosed()
{
return !isOpen();
}
public void shutdownOutput() throws IOException
{
_oshut = true;
if (_ishut && _out!=null)
_out.close();
}
public boolean isInputShutdown()
{
return _ishut;
}
public void shutdownInput() throws IOException
{
_ishut = true;
if (_oshut&&_in!=null)
_in.close();
}
public boolean isOutputShutdown()
{
return _oshut;
}
/*
* @see org.eclipse.io.BufferIO#close()
*/
public void close() throws IOException
{
if (_in!=null)
_in.close();
_in=null;
if (_out!=null)
_out.close();
_out=null;
}
protected void idleExpired() throws IOException
{
if (_in!=null)
_in.close();
}
/* (non-Javadoc)
* @see org.eclipse.io.BufferIO#fill(org.eclipse.io.Buffer)
*/
public int fill(Buffer buffer) throws IOException
{
if (_ishut)
return -1;
if (_in==null)
return 0;
int space=buffer.space();
if (space<=0)
{
if (buffer.hasContent())
return 0;
throw new IOException("FULL");
}
try
{
int filled=buffer.readFrom(_in, space);
if (filled<0)
shutdownInput();
return filled;
}
catch(SocketTimeoutException e)
{
idleExpired();
return -1;
}
}
/* (non-Javadoc)
* @see org.eclipse.io.BufferIO#flush(org.eclipse.io.Buffer)
*/
public int flush(Buffer buffer) throws IOException
{
if (_oshut)
return -1;
if (_out==null)
return 0;
int length=buffer.length();
if (length>0)
buffer.writeTo(_out);
if (!buffer.isImmutable())
buffer.clear();
return length;
}
/* (non-Javadoc)
* @see org.eclipse.io.BufferIO#flush(org.eclipse.io.Buffer, org.eclipse.io.Buffer, org.eclipse.io.Buffer)
*/
public int flush(Buffer header, Buffer buffer, Buffer trailer) throws IOException
{
int len=0;
if (header!=null)
{
int tw=header.length();
if (tw>0)
{
int f=flush(header);
len=f;
if (f0)
{
int f=flush(buffer);
if (f<0)
return len>0?len:f;
len+=f;
if (f0)
{
int f=flush(trailer);
if (f<0)
return len>0?len:f;
len+=f;
}
}
return len;
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.io.EndPoint#getLocalAddr()
*/
public String getLocalAddr()
{
return null;
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.io.EndPoint#getLocalHost()
*/
public String getLocalHost()
{
return null;
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.io.EndPoint#getLocalPort()
*/
public int getLocalPort()
{
return 0;
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.io.EndPoint#getRemoteAddr()
*/
public String getRemoteAddr()
{
return null;
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.io.EndPoint#getRemoteHost()
*/
public String getRemoteHost()
{
return null;
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.io.EndPoint#getRemotePort()
*/
public int getRemotePort()
{
return 0;
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.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
{
if (_out != null)
_out.flush();
}
/* ------------------------------------------------------------ */
public int getMaxIdleTime()
{
return _maxIdleTime;
}
/* ------------------------------------------------------------ */
public void setMaxIdleTime(int timeMs) throws IOException
{
_maxIdleTime=timeMs;
}
}