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Java > Open Source Codes > org > joda > time > tz > Provider


1 /*
2  * Copyright 2001-2005 Stephen Colebourne
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
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.
15  */

16 package org.joda.time.tz;
17
18 import java.util.Set JavaDoc;
19 import org.joda.time.DateTimeZone;
20
21 /**
22  * Service provider factory for time zones.
23  *
24  * @author Brian S O'Neill
25  * @since 1.0
26  */

27 public interface Provider {
28     /**
29      * Retrieves a DateTimeZone for the given id. All providers must at
30      * least support id "UTC".
31      *
32      * @return null if not found
33      */

34     DateTimeZone getZone(String JavaDoc id);
35
36     /**
37      * Returns an unmodifiable set of ids. All providers must at least
38      * support id "UTC".
39      */

40     Set JavaDoc getAvailableIDs();
41 }
42
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