diff options
Diffstat (limited to 'libjava/java/util/zip/CheckedOutputStream.java')
-rw-r--r-- | libjava/java/util/zip/CheckedOutputStream.java | 58 |
1 files changed, 46 insertions, 12 deletions
diff --git a/libjava/java/util/zip/CheckedOutputStream.java b/libjava/java/util/zip/CheckedOutputStream.java index a632303..276f498 100644 --- a/libjava/java/util/zip/CheckedOutputStream.java +++ b/libjava/java/util/zip/CheckedOutputStream.java @@ -1,12 +1,28 @@ -// CheckedOutputStream.java - Compute checksum of data being written. +/* CheckedOutputStream.java - Compute checksum of data being written. + Copyright (C) 1999, 2000 Free Software Foundation, Inc. -/* Copyright (C) 1999 Free Software Foundation +This file is part of GNU Classpath. - This file is part of libgcj. +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, 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. -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ package java.util.zip; @@ -14,41 +30,59 @@ import java.io.FilterOutputStream; import java.io.OutputStream; import java.io.IOException; -/** - * @author Tom Tromey - * @date May 17, 1999 - */ - /* Written using on-line Java Platform 1.2 API Specification * and JCL book. * Believed complete and correct. */ +/** + * OutputStream that computes a checksum of data being written using a + * supplied Checksum object. + * + * @see Checksum + * + * @author Tom Tromey + * @date May 17, 1999 + */ public class CheckedOutputStream extends FilterOutputStream { + /** + * Creates a new CheckInputStream on top of the supplied OutputStream + * using the supplied Checksum. + */ public CheckedOutputStream (OutputStream out, Checksum cksum) { super (out); this.sum = cksum; } + /** + * Returns the Checksum object used. To get the data checksum computed so + * far call <code>getChecksum.getValue()</code>. + */ public Checksum getChecksum () { return sum; } + /** + * Writes one byte to the OutputStream and updates the Checksum. + */ public void write (int bval) throws IOException { out.write(bval); sum.update(bval); } + /** + * Writes the byte array to the OutputStream and updates the Checksum. + */ public void write (byte[] buf, int off, int len) throws IOException { out.write(buf, off, len); sum.update(buf, off, len); } - // The checksum object. + /** The checksum object. */ private Checksum sum; } |