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>
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();
+  }
+}