| /* TeeReader.java |
| Copyright (C) 2006 Free Software Foundation, Inc. |
| |
| This file is a part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or (at |
| your option) any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under terms |
| of your choice, provided that you also meet, for each linked independent |
| module, the terms and conditions of the license of that module. An |
| independent module is a module which is not derived from or based on |
| this library. If you modify this library, you may extend this exception |
| to your version of the library, but you are not obligated to do so. If |
| you do not wish to do so, delete this exception statement from your |
| version. */ |
| |
| package gnu.classpath.debug; |
| |
| import java.io.*; |
| |
| /** |
| * A reader that copies all characters read to an output sink. |
| * |
| * @author Chris Burdess |
| */ |
| public class TeeReader |
| extends Reader |
| { |
| |
| private final Reader in; |
| private final Writer out; |
| |
| /** |
| * Constructs a tee reader. |
| * @param in the input |
| * @param out the output sink |
| */ |
| public TeeReader(Reader in, Writer out) |
| { |
| this.in = in; |
| this.out = out; |
| } |
| |
| public int read() |
| throws IOException |
| { |
| int ret = in.read(); |
| out.write(ret); |
| out.flush(); |
| return ret; |
| } |
| |
| public int read(char[] b, int off, int len) |
| throws IOException |
| { |
| int ret = in.read(b, off, len); |
| if (ret != -1) |
| { |
| out.write(b, off, ret); |
| out.flush(); |
| } |
| return ret; |
| } |
| |
| public void close() |
| throws IOException |
| { |
| in.close(); |
| out.close(); |
| } |
| |
| public final boolean markSupported() |
| { |
| return false; |
| } |
| |
| } |