/*
* 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.util.io.Resource;
import org.exist.versioning.svn.WorkingCopy;
import org.exist.xquery.*;
import org.exist.xquery.value.FunctionReturnSequenceType;
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.wc.SVNRevision;
/**
* Updates a working copy (brings changes from the repository into the working copy). Like 'svn update PATH' command.
*
* @author <a href="mailto:amir.akhmedov@gmail.com">Amir Akhmedov</a>
* @author <a href="mailto:shabanovd@gmail.com">Dmitriy Shabanov</a>
*
*/
public class SVNUpdate extends AbstractSVNFunction {
public final static FunctionSignature signature =
new FunctionSignature(
new QName("update", SVNModule.NAMESPACE_URI, SVNModule.PREFIX),
"Updates a working copy (brings changes from the repository into the working copy). Like 'svn update PATH' command.",
new SequenceType[] {
DB_PATH,
LOGIN,
PASSWORD
},
new FunctionReturnSequenceType(Type.LONG, Cardinality.EXACTLY_ONE, "revision to which revision was resolved"));
/**
*
* @param context
*/
public SVNUpdate(XQueryContext context) {
super(context, signature);
}
/**
* Process the function. All arguments are passed in the array args. The number of
* arguments, their type and cardinality have already been checked to match
* the function signature.
*
* @param args
* @param contextSequence
*/
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
String uri = args[0].getStringValue();
String user = args[1].getStringValue();
String password = args[2].getStringValue();
WorkingCopy wc = new WorkingCopy(user, password);
long update = -1;
try {
update = wc.update(new Resource(uri), SVNRevision.HEAD, true);
} catch (SVNException e) {
throw new XPathException(this, e.getMessage(), e);
}
return new IntegerValue(update);
}
}