01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. The ASF licenses this file to You
04: * under the Apache License, Version 2.0 (the "License"); you may not
05: * use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License. For additional information regarding
15: * copyright in this work, please see the NOTICE file in the top level
16: * directory of this distribution.
17: */
18: package org.apache.roller.util;
19:
20: import java.util.TimeZone;
21: import java.util.Comparator;
22: import java.io.Serializable;
23:
24: public class TimeZoneComparator implements Comparator, Serializable {
25: public int compare(Object obj1, Object obj2) {
26: if (obj1 instanceof TimeZone && obj2 instanceof TimeZone) {
27: TimeZone zone1 = (TimeZone) obj1;
28: TimeZone zone2 = (TimeZone) obj2;
29: int compName = zone1.getDisplayName().compareTo(
30: zone2.getDisplayName());
31: if (compName == 0) {
32: return zone1.getID().compareTo(zone2.getID());
33: }
34: return compName;
35: }
36: return 0;
37: }
38:
39: /* Do Comparators need to implement equals()? -Lance
40: public boolean equals(Object obj)
41: {
42: if (obj instanceof TimeZoneComparator)
43: {
44: if (obj.equals(this)) return true;
45: }
46: return false;
47: }
48: */
49: }
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