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comparison src/peers/gov/nasa/jpf/vm/JPF_gov_nasa_jpf_DelegatingTimeZone.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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1 /*
2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
4 * All rights reserved.
5 *
6 * The Java Pathfinder core (jpf-core) platform is licensed under the
7 * Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0.
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package gov.nasa.jpf.vm;
19
20 import gov.nasa.jpf.annotation.MJI;
21 import gov.nasa.jpf.vm.MJIEnv;
22 import gov.nasa.jpf.vm.NativePeer;
23
24 import java.util.Date;
25 import java.util.TimeZone;
26
27 /**
28 * native peer for JPFs concrete TimeZone class, which is just delegating to the
29 * host VM so that we are independent of Java versions
30 */
31 public class JPF_gov_nasa_jpf_DelegatingTimeZone extends NativePeer {
32
33 //--- internals
34 TimeZone tz; // only used within (atomic) peer methods
35
36 private TimeZone getTimeZone (MJIEnv env, int objRef){
37 int rawOffset = env.getIntField(objRef, "rawOffset");
38 tz.setRawOffset(rawOffset);
39 return tz;
40 }
41
42 //--- native methods
43 @MJI
44 public void setID__Ljava_lang_String_2__V (MJIEnv env, int objRef, int idRef){
45 String id = env.getStringObject(idRef);
46 TimeZone tz = TimeZone.getTimeZone(id);
47 int rawOffset = tz.getRawOffset();
48
49 env.setReferenceField(objRef, "ID", idRef);
50 env.setIntField(objRef, "rawOffset", rawOffset);
51 }
52
53 @MJI
54 public int getOffset__IIIIII__I (MJIEnv env, int objRef,
55 int era, int year, int month, int day, int dayOfWeek, int milliseconds){
56 TimeZone tz = getTimeZone( env, objRef);
57 return tz.getOffset(era, year, month, day, dayOfWeek, milliseconds);
58 }
59
60 @MJI
61 public boolean inDaylightTime__J__Z (MJIEnv env, int objRef, long time){
62 Date date = new Date(time);
63 TimeZone tz = getTimeZone( env, objRef);
64 return tz.inDaylightTime(date);
65 }
66
67 @MJI
68 public boolean useDaylightTime____Z (MJIEnv env, int objRef){
69 TimeZone tz = getTimeZone( env, objRef);
70 return tz.useDaylightTime();
71 }
72 }