From f894682734002d3f477d0cdacde029ef663ebb95 Mon Sep 17 00:00:00 2001 From: mkoch Date: Tue, 29 Apr 2003 07:37:14 +0000 Subject: 2003-04-29 Michael Koch * java/util/zip/Deflater.java, java/util/zip/DeflaterOutputStream.java: Partly merged with classpath. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@66207 138bc75d-0d04-0410-961f-82ee72b054a4 --- libjava/java/util/zip/Deflater.java | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) (limited to 'libjava/java/util/zip/Deflater.java') diff --git a/libjava/java/util/zip/Deflater.java b/libjava/java/util/zip/Deflater.java index d11370fa940..ce3dc0ba52f 100644 --- a/libjava/java/util/zip/Deflater.java +++ b/libjava/java/util/zip/Deflater.java @@ -7,7 +7,7 @@ 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 @@ -51,15 +51,41 @@ import gnu.gcj.RawData; public class Deflater { + /** + * The best and slowest compression level. This tries to find very + * long and distant string repetitions. + */ public static final int BEST_COMPRESSION = 9; + /** + * The worst but fastest compression level. + */ public static final int BEST_SPEED = 1; + /** + * The default compression level. + */ public static final int DEFAULT_COMPRESSION = -1; + /** + * This level won't compress at all but output uncompressed blocks. + */ public static final int NO_COMPRESSION = 0; + /** + * The default strategy. + */ public static final int DEFAULT_STRATEGY = 0; public static final int FILTERED = 1; + + /** + * This strategy will not look for string repetitions at all. It + * only encodes with Huffman trees (which means, that more common + * characters get a smaller encoding. + */ public static final int HUFFMAN_ONLY = 2; + /** + * The compression method. This is the only method supported so far. + * There is no need to use this constant at all. + */ public static final int DEFLATED = 8; public int deflate (byte[] buf) -- cgit v1.2.1