- /*
- * @(#)HexOutputStream.java 1.31 03/12/19
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package com.sun.corba.se.impl.orbutil;
-
- import java.io.StringWriter;
- import java.io.OutputStream;
- import java.io.IOException;
-
- /**
- * Writes each input byte as a 2 byte hexidecimal output pair making it
- * possible to turn arbitrary binary data into an ASCII format.
- * The high 4 bits of the byte is translated into the first byte.
- *
- * @author Jeff Nisewanger
- */
- public class HexOutputStream extends OutputStream
- {
- static private final char hex[] = {
- '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
- };
-
- private StringWriter writer;
-
- /**
- * Creates a new HexOutputStream.
- * @param w The underlying StringWriter.
- */
- public
- HexOutputStream(StringWriter w) {
- writer = w;
- }
-
-
- /**
- * Writes a byte. Will block until the byte is actually
- * written.
- * param b The byte to write out.
- * @exception java.io.IOException I/O error occurred.
- */
- public synchronized void write(int b) throws IOException {
- writer.write(hex[((b >> 4) & 0xF)]);
- writer.write(hex[((b >> 0) & 0xF)]);
- }
-
- public synchronized void write(byte[] b) throws IOException {
- write(b, 0, b.length);
- }
-
- public synchronized void write(byte[] b, int off, int len)
- throws IOException
- {
- for(int i=0; i < len; i++) {
- write(b[off + i]);
- }
- }
- }
-