| /* |
| * Copyright (c) 1996, 2002, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| 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]); |
| } |
| } |
| } |