| /* |
| JSPWiki - a JSP-based WikiWiki clone. |
| |
| Copyright (C) 2001 Janne Jalkanen (Janne.Jalkanen@iki.fi) |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| package com.ecyrd.jspwiki; |
| |
| import java.util.*; |
| import org.apache.log4j.Category; |
| |
| // FIXME: Does not implement equals(). |
| public class PageTimeComparator |
| implements Comparator |
| { |
| static Category log = Category.getInstance( PageTimeComparator.class ); |
| |
| public int compare( Object o1, Object o2 ) |
| { |
| WikiPage w1 = (WikiPage)o1; |
| WikiPage w2 = (WikiPage)o2; |
| |
| if( w1 == null || w2 == null ) |
| { |
| log.error( "W1 or W2 is NULL in PageTimeComparator!"); |
| return 0; // FIXME: Is this correct? |
| } |
| |
| if( w1.getLastModified() == null ) |
| { |
| log.error( "NULL MODIFY DATE WITH "+w1.getName() ); |
| return 0; |
| } |
| else if( w2.getLastModified() == null ) |
| { |
| log.error( "NULL MODIFY DATE WITH "+w2.getName() ); |
| return 0; |
| } |
| |
| // This gets most recent on top |
| int timecomparison = w2.getLastModified().compareTo( w1.getLastModified() ); |
| |
| if( timecomparison == 0 ) |
| { |
| return w1.getName().compareTo( w2.getName() ); |
| } |
| |
| return timecomparison; |
| } |
| } |