// ========================================================================
// Copyright (c) 2004-2009 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.http;
import java.io.IOException;
import java.io.InputStream;
import org.eclipse.jetty.io.Buffer;
import org.eclipse.jetty.io.ByteArrayBuffer;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.util.resource.Resource;
/* ------------------------------------------------------------ */
/** HttpContent.
*
*
*/
public interface HttpContent
{
Buffer getContentType();
Buffer getLastModified();
Buffer getIndirectBuffer();
Buffer getDirectBuffer();
Resource getResource();
long getContentLength();
InputStream getInputStream() throws IOException;
void release();
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
public class ResourceAsHttpContent implements HttpContent
{
private static final Logger LOG = Log.getLogger(ResourceAsHttpContent.class);
final Resource _resource;
final Buffer _mimeType;
final int _maxBuffer;
public ResourceAsHttpContent(final Resource resource, final Buffer mimeType)
{
_resource=resource;
_mimeType=mimeType;
_maxBuffer=-1;
}
public ResourceAsHttpContent(final Resource resource, final Buffer mimeType, int maxBuffer)
{
_resource=resource;
_mimeType=mimeType;
_maxBuffer=maxBuffer;
}
/* ------------------------------------------------------------ */
public Buffer getContentType()
{
return _mimeType;
}
/* ------------------------------------------------------------ */
public Buffer getLastModified()
{
return null;
}
/* ------------------------------------------------------------ */
public Buffer getDirectBuffer()
{
return null;
}
/* ------------------------------------------------------------ */
public Buffer getIndirectBuffer()
{
InputStream inputStream = null;
try
{
if (_resource.length() <= 0 || _maxBuffer < _resource.length())
return null;
ByteArrayBuffer buffer = new ByteArrayBuffer((int)_resource.length());
inputStream = _resource.getInputStream();
buffer.readFrom(inputStream,(int)_resource.length());
return buffer;
}
catch (IOException e)
{
throw new RuntimeException(e);
}
finally
{
if (inputStream != null)
{
try
{
inputStream.close();
}
catch (IOException e)
{
LOG.warn("Couldn't close inputStream. Possible file handle leak",e);
}
}
}
}
/* ------------------------------------------------------------ */
public long getContentLength()
{
return _resource.length();
}
/* ------------------------------------------------------------ */
public InputStream getInputStream() throws IOException
{
return _resource.getInputStream();
}
/* ------------------------------------------------------------ */
public Resource getResource()
{
return _resource;
}
/* ------------------------------------------------------------ */
public void release()
{
_resource.release();
}
}
}