001/*
002 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     bstefanescu
016 *
017 * $Id$
018 */
019
020package org.nuxeo.ecm.webengine.model;
021
022/**
023 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
024 */
025public class Utils {
026
027    private Utils() {
028    }
029
030    public static boolean streq(String str1, String str2) {
031        if (str1 == null) {
032            return str2 == null;
033        } else if (str2 == null) {
034            return false;
035        } else {
036            return str1.equals(str2);
037        }
038    }
039
040    public static String nullIfEmpty(String str) {
041        return str != null && str.length() == 0 ? null : str;
042    }
043
044    public static String fcToUpperCase(String str) {
045        char c = str.charAt(0);
046        if (Character.isLowerCase(c)) {
047            str = new StringBuilder().append(Character.toUpperCase(c)).append(str.substring(1)).toString();
048        }
049        return str;
050    }
051
052    public static String fcToLowerCase(String str) {
053        char c = str.charAt(0);
054        if (Character.isUpperCase(c)) {
055            str = new StringBuilder().append(Character.toLowerCase(c)).append(str.substring(1)).toString();
056        }
057        return str;
058    }
059
060}