--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/classes/java/text/SimpleDateFormat.java	Fri Jan 23 10:14:01 2015 -0800
@@ -0,0 +1,90 @@
+/*
+ * 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 java.text;
+
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Locale;
+import java.util.TimeZone;
+
+/**
+ * (incomplete) model class for java.text.SimpleDate. See Format for details
+ * about the native formatter delegation
+ */
+public class SimpleDateFormat extends DateFormat {
+
+  // see DecimalFormat comments why we use explicit init0()'s
+
+  private native void init0();
+  private native void init0(String pattern);
+  private native void init0(int timeStyle, int dateStyle);
+
+  public SimpleDateFormat () {
+    init0();
+    initializeCalendar();
+  }
+
+  public SimpleDateFormat (String pattern) {
+    if(pattern == null) {
+      throw new NullPointerException();
+    }
+    init0(pattern);
+    initializeCalendar();
+  }
+
+  public SimpleDateFormat (String pattern, Locale locale) {
+    // <2do> bluntly ignoring locale for now
+    this(pattern);
+  }
+
+  SimpleDateFormat (int timeStyle, int dateStyle, Locale locale){
+    init0(timeStyle, dateStyle);
+    initializeCalendar();
+  }
+
+  // unfortunately we can't override the DateFormat.format(String) because
+  // it is final, and hence the compiler can do a INVOKE_SPECIAL
+  native String format0 (long dateTime);
+
+  @Override
+  public StringBuffer format (Date date, StringBuffer sb, FieldPosition pos) {
+    String s = format0(date.getTime());
+    sb.append(s);
+
+    // we don't do FieldPositions yet
+
+    return sb;
+  }
+
+
+  @Override
+  public Date parse (String arg0, ParsePosition arg1) {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
+  private void initializeCalendar() {
+    if (calendar == null) {
+        calendar = Calendar.getInstance(TimeZone.getDefault(), Locale.getDefault());
+    }
+  }
+
+  native public void applyPattern(String pattern);
+  
+}