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// 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;
}
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