/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library 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 2.1 of the License, or (at your option)
* any later version.
*
* This library 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.
*/
package com.liferay.wiki.util.comparator;
import com.liferay.portal.kernel.util.DateUtil;
import com.liferay.portal.kernel.util.OrderByComparator;
import com.liferay.wiki.model.WikiPage;
/**
* @author Brian Wing Shun Chan
*/
public class PageCreateDateComparator extends OrderByComparator<WikiPage> {
public static final String ORDER_BY_ASC = "WikiPage.createDate ASC";
public static final String ORDER_BY_DESC = "WikiPage.createDate DESC";
public static final String[] ORDER_BY_FIELDS = {"createDate"};
public PageCreateDateComparator() {
this(false);
}
public PageCreateDateComparator(boolean ascending) {
_ascending = ascending;
}
@Override
public int compare(WikiPage page1, WikiPage page2) {
int value = DateUtil.compareTo(
page1.getCreateDate(), page2.getCreateDate());
if (_ascending) {
return value;
}
else {
return -value;
}
}
@Override
public String getOrderBy() {
if (_ascending) {
return ORDER_BY_ASC;
}
else {
return ORDER_BY_DESC;
}
}
@Override
public String[] getOrderByFields() {
return ORDER_BY_FIELDS;
}
@Override
public boolean isAscending() {
return _ascending;
}
private final boolean _ascending;
}