/* Copyright 2010 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS.
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License
 */

package com.google.ie.common.comparator;

import com.google.ie.business.domain.Project;

import java.util.Comparator;
import java.util.Date;

/**
 * Comparator class to compare the project based on their creation date.
 * 
 * @author Charanjeet singh
 * 
 */
public class ProjectCreationDateComparator implements Comparator<Project> {

    @Override
    public int compare(Project project1, Project project2) {
        Date creationDate1 = project1.getCreatedOn();
        Date creationDate2 = project2.getCreatedOn();
        // Multiplying the result of date comparison to sort the dates in
        // descending order.
        return (-1 * creationDate1.compareTo(creationDate2));
    }

}