001/*
002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the Eclipse Public License v1.0
006 * which accompanies this distribution, and is available at
007 * http://www.eclipse.org/legal/epl-v10.html
008 *
009 * Contributors:
010 *     Nuxeo - initial API and implementation
011 *
012 * $Id$
013 */
014
015package org.nuxeo.ecm.core.model;
016
017import java.io.Serializable;
018import java.util.Comparator;
019
020/**
021 * @author <a href="mailto:gracinet@nuxeo.com">Georges Racinet</a>
022 */
023public class PathComparator implements Comparator<Document>, Serializable {
024
025    private static final long serialVersionUID = 1L;
026
027    @Override
028    public int compare(Document o1, Document o2) {
029        // The character "/" should be considered as the highest discriminant to
030        // sort paths. So we replace it with the first unicode character
031        String path1 = o1.getPath().replace("/", "\u0000");
032        return path1.compareTo(o2.getPath().replace("/", "\u0000"));
033    }
034
035}