99 lines
1.8 KiB
Java
99 lines
1.8 KiB
Java
// Inflater.java - Decompress a data stream.
|
|
|
|
/* Copyright (C) 1999 Free Software Foundation
|
|
|
|
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;
|
|
}
|