/*
* eXist Open Source Native XML Database
* Copyright (C) 2010 The eXist Project
* http://exist-db.org
*
* This program 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
* of the License, or (at your option) any later version.
*
* This program 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* $Id$
*/
package org.exist.versioning.svn.xquery;
import org.exist.dom.QName;
import org.exist.xquery.BasicFunction;
import org.exist.xquery.Cardinality;
import org.exist.xquery.FunctionSignature;
import org.exist.xquery.XPathException;
import org.exist.xquery.XQueryContext;
import org.exist.xquery.value.FunctionParameterSequenceType;
import org.exist.xquery.value.IntegerValue;
import org.exist.xquery.value.Sequence;
import org.exist.xquery.value.SequenceType;
import org.exist.xquery.value.Type;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.SVNURL;
import org.tmatesoft.svn.core.auth.ISVNAuthenticationManager;
import org.tmatesoft.svn.core.internal.io.dav.DAVRepositoryFactory;
import org.tmatesoft.svn.core.internal.io.svn.SVNRepositoryFactoryImpl;
import org.tmatesoft.svn.core.io.SVNRepository;
import org.tmatesoft.svn.core.io.SVNRepositoryFactory;
import org.tmatesoft.svn.core.wc.SVNWCUtil;
public class SVNLatestRevision extends AbstractSVNFunction {
public final static FunctionSignature signature =
new FunctionSignature(
new QName("get-latest-revision-number", SVNModule.NAMESPACE_URI, SVNModule.PREFIX),
"Returns the number of the latest revision of the subversion repository.",
new SequenceType[] {
SVN_URI,
LOGIN,
PASSWORD
},
new FunctionParameterSequenceType("revision-number", Type.LONG, Cardinality.EXACTLY_ONE, "The latest revision number of the repository"));
public SVNLatestRevision(XQueryContext context) {
super(context, signature);
}
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
DAVRepositoryFactory.setup();
SVNRepositoryFactoryImpl.setup();
String uri = args[0].getStringValue();
try {
SVNRepository repo = SVNRepositoryFactory.create(SVNURL.parseURIDecoded(uri));
ISVNAuthenticationManager authManager =
SVNWCUtil.createDefaultAuthenticationManager(args[1].getStringValue(), args[2].getStringValue());
repo.setAuthenticationManager(authManager);
long latestRevision = repo.getLatestRevision();
return new IntegerValue(latestRevision);
} catch (SVNException e) {
throw new XPathException(this, e.getMessage(), e);
}
}
}