//
// Copyright (C) 2007 United States Government as represented by the
// Administrator of the National Aeronautics and Space Administration
// (NASA).  All Rights Reserved.
// 
// This software is distributed under the NASA Open Source Agreement
// (NOSA), version 1.3.  The NOSA has been approved by the Open Source
// Initiative.  See the file NOSA-1.3-JPF at the top of the distribution
// directory tree for the complete NOSA document.
// 
// THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
// KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
// LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
// SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
// A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
// THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
// DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
//
package gov.nasa.jpf;

import java.io.OutputStream;
import java.io.PrintStream;

/**
 * this is what we use for System.out and System.err, hence we go native
 * as quickly as possible, hence we don't need an underlying stream.
 * It's already slow enough as it is
 * 
 * NOTE - we have to intercept *everything* that might go to our base class, since
 * it is not initialized properly (we want to avoid costly PrinStream init unless
 * we really need it 
 */
public class ConsoleOutputStream extends PrintStream {
  
  
  public ConsoleOutputStream() {
    // that's a hack - it only works because we intercept the ctor in the native peer
    // otherwise it would throw an exception
    super((OutputStream)null);
  }
  
  public void flush() {
    // we are not buffered anyways
  }
  
  public void close() {
    // nothing to close
  }
  
  public native void print (boolean b);
  public native void print (byte b);
  public native void print (char c);
  public native void print (short s);
  public native void print (int i);
  public native void print (long l);
  public native void print (float f);
  public native void print (double d);
  public native void print (String s);
  
  public void print (Object o){
    if (o == null) {
      print("null");
    } else {
      print(o.toString());
    }
  }
    
  public native void println (boolean b);
  public native void println (byte b);
  public native void println (char c);
  public native void println (short s);
  public native void println (int i);
  public native void println (long l);
  public native void println (float f);
  public native void println (double d);
  public native void println (String s);
  
  public void println (Object o){
    if (o == null) {
      println("null");
    } else {
      println(o.toString());
    }
  }
  
  public native void println();
  
  public native PrintStream printf (String fmt, Object... args);
  public PrintStream format (String fmt, Object... args){
    return printf(fmt,args);
  }
  
  public native void write (int b);
  public native void write (byte[] buf, int off, int len);
}