/*
 * Copyright (c) 1995, 1996 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for NON-COMMERCIAL purposes and without
 * fee is hereby granted provided that this copyright notice
 * appears in all copies. Please refer to the file "copyright.html"
 * for further important copyright and licensing information.
 *
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 */
import java.io.*;

class CheckedDITest {
    public static void main(String args[]) {

	Adler32 inChecker = new Adler32();
	Adler32 outChecker = new Adler32();
        CheckedDataInput cis = null;
        CheckedDataOutput cos = null;

        try {
            cis = new CheckedDataInput(new DataInputStream(
					 new FileInputStream("farrago.txt")), inChecker);
            cos = new CheckedDataOutput(new DataOutputStream(
					  new FileOutputStream("outagain.txt")), outChecker);
	} catch (FileNotFoundException e) {
	    System.err.println("CheckedIOTest: " + e);
	    System.exit(-1);
	} catch (IOException e) {
	    System.err.println("CheckedIOTest: " + e);
	    System.exit(-1);
	}

	try {
	    boolean EOF = false;

	    while (!EOF) {
		try {
	            int c = cis.readByte();
	            cos.write(c);
		} catch (EOFException e) {
		    EOF = true;
		}
	    }

	    System.out.println("Input stream check sum: " + cis.getChecksum().getValue());
	    System.out.println("Output stream check sum: " + cos.getChecksum().getValue());
	} catch (IOException e) {
	    System.err.println("CheckedIOTest: " + e);
	}
    }
}