UnifiedSearchOrder.java
/*
* Copyright (C) 2003-2013 eXo Platform SAS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.exoplatform.forum.service.search;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import org.exoplatform.forum.service.ForumSearchResult;
public class UnifiedSearchOrder {
/**
* Processes order by condition for unified searching.
*
* @param listSearchResult
* @param sort 'title', 'relevancy', or 'date'
* @param order 'desc' or 'asc'
* @return ordered list
* @since 4.0.0
*/
public static List<ForumSearchResult> processOrder(List<ForumSearchResult> listSearchResult, String sort, String order) {
RelavancyCompatator comparator = new RelavancyCompatator(sort, order);
Collections.sort(listSearchResult, comparator);
return listSearchResult;
}
static class RelavancyCompatator implements Comparator<ForumSearchResult> {
private String sort;
private String order;
public RelavancyCompatator(String sort, String order) {
this.sort = sort;
this.order = order;
}
@Override
public int compare(ForumSearchResult o1, ForumSearchResult o2) {
if("relevancy".equalsIgnoreCase(sort) && "ASC".equalsIgnoreCase(order)) {
//ascending order
return o1.getRelevancy().compareTo(o2.getRelevancy());
} else if("relevancy".equalsIgnoreCase(sort) && "DESC".equalsIgnoreCase(order)) {
//descending order
return o2.getRelevancy().compareTo(o1.getRelevancy());
} else if("title".equalsIgnoreCase(sort) && "ASC".equalsIgnoreCase(order)) {
//ascending order
return o1.getName().toUpperCase().compareTo(o2.getName().toUpperCase());
} else if("title".equalsIgnoreCase(sort) && "DESC".equalsIgnoreCase(order)) {
//descending order
return o2.getName().toUpperCase().compareTo(o1.getName().toUpperCase());
} else if("date".equalsIgnoreCase(sort) && "ASC".equalsIgnoreCase(order)) {
//ascending order
return o1.getCreatedDate().compareTo(o2.getCreatedDate());
} else if("date".equalsIgnoreCase(sort) && "DESC".equalsIgnoreCase(order)) {
//descending order
return o2.getCreatedDate().compareTo(o1.getCreatedDate());
}
return 0;
}
}
}