/*==========================================================================*\
| $Id: InfoRefsRequestHandler.java,v 1.2 2012/03/28 13:48:08 stedwar2 Exp $
|*-------------------------------------------------------------------------*|
| Copyright (C) 2011-2012 Virginia Tech
|
| This file is part of Web-CAT.
|
| Web-CAT is free software; you can redistribute it and/or modify
| it under the terms of the GNU Affero General Public License as published
| by the Free Software Foundation; either version 3 of the License, or
| (at your option) any later version.
|
| Web-CAT 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 General Public License for more details.
|
| You should have received a copy of the GNU Affero General Public License
| along with Web-CAT; if not, see <http://www.gnu.org/licenses/>.
\*==========================================================================*/
package org.webcat.core.git.http;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.Map;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.RefAdvertiser;
import org.webcat.core.NSMutableDataOutputStream;
import org.webcat.core.http.RequestHandlerWithResponse;
import com.webobjects.appserver.WORequest;
import com.webobjects.appserver.WOResponse;
//-------------------------------------------------------------------------
/**
* Handles requests for the {@code info/refs} file in the repository.
*
* @author Tony Allevato
* @author Last changed by $Author: stedwar2 $
* @version $Revision: 1.2 $, $Date: 2012/03/28 13:48:08 $
*/
public class InfoRefsRequestHandler
implements RequestHandlerWithResponse
{
//~ Methods ...............................................................
// ----------------------------------------------------------
/**
* Looks up the requested repository and appends its info/refs to the
* response.
*
* @param request the request
* @param response the response
* @throws Exception if an error occurs
*/
public void handleRequest(WORequest request, WOResponse response)
throws Exception
{
response.setHeader("text/plain", "Content-Type");
NSMutableDataOutputStream outputStream = new NSMutableDataOutputStream();
Repository repo = RepositoryRequestUtils.repositoryFromRequest(request);
//RevWalk walk = new RevWalk(repo);
//try
//{
//final RevFlag ADVERTISED = walk.newFlag("ADVERTISED");
final OutputStreamWriter out =
new OutputStreamWriter(outputStream, Constants.CHARSET);
final RefAdvertiser adv = new RefAdvertiser() {
protected void writeOne(CharSequence line) throws IOException
{
out.append(line.toString().replace(' ', '\t'));
}
protected void end()
{
// Do nothing.
}
};
adv.init(repo);
//adv.init(walk, ADVERTISED);
adv.setDerefTags(true);
Map<String, Ref> refs = repo.getAllRefs();
refs.remove(Constants.HEAD);
adv.send(refs);
//}
//finally
//{
//walk.release();
//}
outputStream.close();
response.appendContentData(outputStream.data());
}
}