Mercurial > hg > Members > kono > jpf-core
diff src/peers/gov/nasa/jpf/vm/JPF_gov_nasa_jpf_DelegatingTimeZone.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
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date | Fri, 23 Jan 2015 10:14:01 -0800 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/peers/gov/nasa/jpf/vm/JPF_gov_nasa_jpf_DelegatingTimeZone.java Fri Jan 23 10:14:01 2015 -0800 @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2014, United States Government, as represented by the + * Administrator of the National Aeronautics and Space Administration. + * All rights reserved. + * + * The Java Pathfinder core (jpf-core) platform is 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 gov.nasa.jpf.vm; + +import gov.nasa.jpf.annotation.MJI; +import gov.nasa.jpf.vm.MJIEnv; +import gov.nasa.jpf.vm.NativePeer; + +import java.util.Date; +import java.util.TimeZone; + +/** + * native peer for JPFs concrete TimeZone class, which is just delegating to the + * host VM so that we are independent of Java versions + */ +public class JPF_gov_nasa_jpf_DelegatingTimeZone extends NativePeer { + + //--- internals + TimeZone tz; // only used within (atomic) peer methods + + private TimeZone getTimeZone (MJIEnv env, int objRef){ + int rawOffset = env.getIntField(objRef, "rawOffset"); + tz.setRawOffset(rawOffset); + return tz; + } + + //--- native methods + @MJI + public void setID__Ljava_lang_String_2__V (MJIEnv env, int objRef, int idRef){ + String id = env.getStringObject(idRef); + TimeZone tz = TimeZone.getTimeZone(id); + int rawOffset = tz.getRawOffset(); + + env.setReferenceField(objRef, "ID", idRef); + env.setIntField(objRef, "rawOffset", rawOffset); + } + + @MJI + public int getOffset__IIIIII__I (MJIEnv env, int objRef, + int era, int year, int month, int day, int dayOfWeek, int milliseconds){ + TimeZone tz = getTimeZone( env, objRef); + return tz.getOffset(era, year, month, day, dayOfWeek, milliseconds); + } + + @MJI + public boolean inDaylightTime__J__Z (MJIEnv env, int objRef, long time){ + Date date = new Date(time); + TimeZone tz = getTimeZone( env, objRef); + return tz.inDaylightTime(date); + } + + @MJI + public boolean useDaylightTime____Z (MJIEnv env, int objRef){ + TimeZone tz = getTimeZone( env, objRef); + return tz.useDaylightTime(); + } +}