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115 lines
2.7 KiB
Java
115 lines
2.7 KiB
Java
/* Inflater.java - Decompress a data stream
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Copyright (C) 1999, 2000 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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package java.util.zip;
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import gnu.gcj.RawData;
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/**
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* @author Tom Tromey
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* @date May 17, 1999
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*/
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/* Written using on-line Java Platform 1.2 API Specification
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* and JCL book.
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* Believed complete and correct.
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*/
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public class Inflater
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{
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public native void end ();
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protected void finalize ()
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{
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end ();
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}
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public synchronized boolean finished ()
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{
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return is_finished;
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}
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public native int getAdler ();
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public native int getRemaining ();
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public native int getTotalIn ();
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public native int getTotalOut ();
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public int inflate (byte[] buf) throws DataFormatException
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{
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return inflate (buf, 0, buf.length);
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}
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public native int inflate (byte[] buf, int off, int len)
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throws DataFormatException;
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private native void init (boolean noHeader);
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public Inflater ()
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{
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this (false);
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}
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public Inflater (boolean noHeader)
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{
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init (noHeader);
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}
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public synchronized boolean needsDictionary ()
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{
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return dict_needed;
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}
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public synchronized boolean needsInput ()
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{
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return getRemaining () == 0;
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}
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public native void reset ();
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public void setDictionary (byte[] buf)
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{
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setDictionary (buf, 0, buf.length);
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}
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public native void setDictionary (byte[] buf, int off, int len);
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public void setInput (byte[] buf)
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{
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setInput (buf, 0, buf.length);
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}
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public native void setInput (byte[] buf, int off, int len);
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// The zlib stream.
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private RawData zstream;
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// True if finished.
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private boolean is_finished;
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// True if dictionary needed.
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private boolean dict_needed;
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}
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