001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.security.permission.comparator;
016    
017    import com.liferay.portal.model.Permission;
018    
019    import java.io.Serializable;
020    
021    import java.util.Comparator;
022    
023    /**
024     * @author Brian Wing Shun Chan
025     */
026    public class PermissionActionIdComparator
027            implements Comparator<Object>, Serializable {
028    
029            public int compare(Object obj1, Object obj2) {
030                    String actionId1 = null;
031    
032                    if (obj1 instanceof String) {
033                            actionId1 = (String)obj1;
034                    }
035                    else {
036                            Permission permission1 = (Permission)obj1;
037    
038                            actionId1 = permission1.getActionId();
039                    }
040    
041                    String actionId2 = null;
042    
043                    if (obj2 instanceof String) {
044                            actionId2 = (String)obj2;
045                    }
046                    else {
047                            Permission permission2 = (Permission)obj2;
048    
049                            actionId2 = permission2.getActionId();
050                    }
051    
052                    return actionId1.compareTo(actionId2);
053            }
054    
055    }