/*
* 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: SVNCommit.java 14474 2011-05-18 05:15:40Z shabanovd $
*/
package org.exist.versioning.svn.xquery;
import java.io.File;
import org.exist.dom.QName;
import org.exist.util.io.Resource;
import org.exist.versioning.svn.WorkingCopy;
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.FunctionReturnSequenceType;
import org.exist.xquery.value.Sequence;
import org.exist.xquery.value.SequenceType;
import org.exist.xquery.value.Type;
import org.tmatesoft.svn.core.SVNException;
/**
* Restores the pristine version of working copy path,
* effectively undoing any local mods.
*
* @author <a href="mailto:shabanovd@gmail.com">Dmitriy Shabanov</a>
*/
public class SVNRevert extends AbstractSVNFunction {
public final static FunctionSignature signature =
new FunctionSignature(
new QName("revert", SVNModule.NAMESPACE_URI, SVNModule.PREFIX),
"Restores the pristine version of working copy path, effectively undoing any local mods.",
new SequenceType[] {
DB_PATH
},
new FunctionReturnSequenceType(Type.EMPTY, Cardinality.ZERO, ""));
/**
*
* @param context
*/
public SVNRevert(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 wcDir = args[0].getStringValue();
try {
WorkingCopy wc = new WorkingCopy("", "");
wc.revert(new File[] { new Resource(wcDir) });
} catch (SVNException svne) {
svne.printStackTrace();
throw new XPathException(this,
"error while revert '" + wcDir + "'", svne);
}
return Sequence.EMPTY_SEQUENCE;
}
}