/*
* Copyright (c) xlightweb.org, 2008 - 2009. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Please refer to the LGPL license at: http://www.gnu.org/copyleft/lesser.txt
* The latest copy of this software may be found on http://www.xlightweb.org/
*/
package org.xlightweb;
import java.io.IOException;
import java.nio.BufferUnderflowException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import org.xlightweb.BodyDataSink;
import org.xlightweb.BodyForwarder;
import org.xlightweb.IHttpExchange;
import org.xlightweb.IHttpRequest;
import org.xlightweb.IHttpRequestHandler;
import org.xlightweb.IHttpRequestHeader;
import org.xlightweb.IHttpResponse;
import org.xlightweb.IHttpResponseHandler;
import org.xlightweb.IHttpResponseHeader;
import org.xlightweb.NonBlockingBodyDataSource;
import org.xsocket.DataConverter;
import org.xsocket.Execution;
//@Execution(Execution.NONTHREADED)
final class LogFilter implements IHttpRequestHandler {
public void onRequest(final IHttpExchange exchange) throws IOException {
IHttpRequest req = exchange.getRequest();
IHttpResponseHandler respHdl = new IHttpResponseHandler() {
@Execution(Execution.NONTHREADED)
public void onResponse(IHttpResponse response) throws IOException {
// does request contain a body?
if (response.hasBody()) {
final IHttpResponseHeader header = response.getResponseHeader();
final List<ByteBuffer> bodyData = new ArrayList<ByteBuffer>();
NonBlockingBodyDataSource orgDataSource = response.getNonBlockingBody();
final BodyDataSink inBodyChannel = exchange.send(response.getResponseHeader());
//... by a body forward handler
BodyForwarder bodyForwardHandler = new BodyForwarder(orgDataSource, inBodyChannel) {
@Override
public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {
ByteBuffer[] bufs = bodyDataSource.readByteBufferByLength(bodyDataSource.available());
for (ByteBuffer byteBuffer : bufs) {
bodyData.add(byteBuffer.duplicate());
}
bodyDataSink.write(bufs);
bodyDataSink.flush();
}
@Override
public void onComplete() {
System.out.println(header.toString());
try {
System.out.println(header.toString() + DataConverter.toString(bodyData, header.getCharacterEncoding()));
} catch (Exception e) {
System.out.println("<body not printable>");
}
}
};
orgDataSource.setDataHandler(bodyForwardHandler);
} else {
try {
System.out.println(response.getResponseHeader());
} catch (Exception ignore) { }
exchange.send(response);
}
}
public void onException(IOException ioe) {
exchange.sendError(500);
}
};
// does request contain a body?
if (req.hasBody()) {
final IHttpRequestHeader header = req.getRequestHeader();
final List<ByteBuffer> bodyData = new ArrayList<ByteBuffer>();
// get the body
NonBlockingBodyDataSource orgDataSource = req.getNonBlockingBody();
// ... and replace it
final BodyDataSink inBodyChannel = exchange.forward(req.getRequestHeader(), respHdl);
//... by a body forward handler
BodyForwarder bodyForwardHandler = new BodyForwarder(orgDataSource, inBodyChannel) {
@Override
public void onData(NonBlockingBodyDataSource bodyDataSource, BodyDataSink bodyDataSink) throws BufferUnderflowException, IOException {
ByteBuffer[] bufs = bodyDataSource.readByteBufferByLength(bodyDataSource.available());
for (ByteBuffer byteBuffer : bufs) {
bodyData.add(byteBuffer.duplicate());
}
bodyDataSink.write(bufs);
bodyDataSink.flush();
}
@Override
public void onComplete() {
System.out.println(header.toString());
try {
System.out.println(header.toString() + DataConverter.toString(bodyData, header.getCharacterEncoding()));
} catch (Exception e) {
System.out.println("<body not printable>");
}
}
};
orgDataSource.setDataHandler(bodyForwardHandler);
} else {
System.out.println(req.getRequestHeader().toString());
exchange.forward(req, respHdl);
}
}
}