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Diffstat (limited to 'libjava/java/util/zip/Inflater.java')
-rw-r--r-- | libjava/java/util/zip/Inflater.java | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/libjava/java/util/zip/Inflater.java b/libjava/java/util/zip/Inflater.java new file mode 100644 index 00000000000..724b5b4a1b5 --- /dev/null +++ b/libjava/java/util/zip/Inflater.java @@ -0,0 +1,101 @@ +// Inflater.java - Decompress a data stream. + +/* Copyright (C) 1999 Cygnus Solutions + + This file is part of libgcj. + +This software is copyrighted work licensed under the terms of the +Libgcj License. Please consult the file "LIBGCJ_LICENSE" for +details. */ + +package java.util.zip; + +import gnu.gcj.RawData; + +/** + * @author Tom Tromey + * @date May 17, 1999 + */ + +/* Written using on-line Java Platform 1.2 API Specification + * and JCL book. + * Believed complete and correct. + */ + +public class Inflater +{ + public native void end (); + + protected void finalize () + { + end (); + } + + public synchronized boolean finished () + { + return is_finished; + } + + public native int getAdler (); + public native int getRemaining (); + public native int getTotalIn (); + public native int getTotalOut (); + + public int inflate (byte[] buf) throws DataFormatException + { + return inflate (buf, 0, buf.length); + } + + public native int inflate (byte[] buf, int off, int len) + throws DataFormatException; + + private native void init (boolean noHeader); + + public Inflater () + { + this (false); + } + + public Inflater (boolean noHeader) + { + init (noHeader); + } + + public synchronized boolean needsDictionary () + { + return dict_needed; + } + + public synchronized boolean needsInput () + { + return getRemaining () == 0; + } + + public native void reset (); + + public void setDictionary (byte[] buf) + { + setDictionary (buf, 0, buf.length); + } + + public native void setDictionary (byte[] buf, int off, int len); + + public void setInput (byte[] buf) + { + setInput (buf, 0, buf.length); + } + + public native void setInput (byte[] buf, int off, int len); + + // The zlib stream. + private RawData zstream; + + // True if finished. + private boolean is_finished; + + // True if dictionary needed. + private boolean dict_needed; + + // Total number of bytes made available at last setInput. + private int last_input_count; +} |