--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/gov/nasa/jpf/util/DevNullPrintStream.java	Fri Jan 23 10:14:01 2015 -0800
@@ -0,0 +1,105 @@
+/*
+ * 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.util;
+
+import java.io.PrintStream;
+import java.io.ByteArrayOutputStream;
+import java.util.Locale;
+
+/**
+ * a PrintStream that doesn't print anything
+ */
+public class DevNullPrintStream extends PrintStream {
+  
+  public DevNullPrintStream(){
+    super( new ByteArrayOutputStream());
+  }
+  
+  @Override
+  public void flush(){}
+  @Override
+  public void close(){}
+  @Override
+  public boolean checkError(){
+    return false;
+  }
+  @Override
+  protected void setError(){}
+  @Override
+  protected void clearError(){}
+  
+  @Override
+  public void write(int a){}
+  @Override
+  public void write(byte[] a, int b, int c){}
+  @Override
+  public void print(boolean a){}
+  @Override
+  public void print(char a){}
+  @Override
+  public void print(int a){}
+  @Override
+  public void print(long a){}
+  @Override
+  public void print(float a){}
+  @Override
+  public void print(double a){}
+  @Override
+  public void print(char[] a){}
+  @Override
+  public void print(String a){}
+  @Override
+  public void print(Object a){}
+  @Override
+  public void println(){}
+  @Override
+  public void println(boolean a){}
+  @Override
+  public void println(char a){}
+  @Override
+  public void println(int a){}
+  @Override
+  public void println(long a){}
+  @Override
+  public void println(float a){}
+  @Override
+  public void println(double a){}
+  @Override
+  public void println(char[] a){}
+  @Override
+  public void println(String a){}
+  @Override
+  public void println(Object a){}
+  
+  @Override
+  public PrintStream printf(String a, Object... b){ return this; }
+  @Override
+  public PrintStream printf(Locale a, String b, Object... c){ return this; }
+  @Override
+  public PrintStream format(String a, Object... b){ return this; }
+  @Override
+  public PrintStream format(Locale a, String b, Object... c){ return this; }
+  @Override
+  public PrintStream append(CharSequence a){ return this; }
+  @Override
+  public PrintStream append(CharSequence a, int b, int c){ return this; }
+  @Override
+  public PrintStream append(char a){ return this; }
+
+}