org.primefaces.event.timeline.TimelineEventComparator Maven / Gradle / Ivy
/*
* Copyright 2009-2016 PrimeTek.
*
* 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 org.primefaces.event.timeline;
import java.io.Serializable;
import java.util.Comparator;
import org.primefaces.model.timeline.TimelineEvent;
public class TimelineEventComparator implements Comparator, Serializable {
public int compare(TimelineEvent a, TimelineEvent b) {
if (a.getStartDate().equals(b.getStartDate())) {
if (a.getEndDate() == null && b.getEndDate() == null) {
return 0;
} else if (a.getEndDate() == null) {
return -1;
} else if (b.getEndDate() == null) {
return 1;
} else {
return (a.getEndDate().before(b.getEndDate()) ? -1 : 1);
}
} else {
return (a.getStartDate().before(b.getStartDate()) ? -1 : 1);
}
}
}