Deflater

Deflater

java.util.zip

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Java 1.1

This class implements the general ZLIB data-compression algorithm used by the gzip and PKZip compression programs. The constants defined by this class are used to specify the compression strategy and the compression speed/strength tradeoff level to be used. If you set the nowrap argument to the constructor to true , the ZLIB header and checksum data are omitted from the compressed output, which is the format both gzip and PKZip use.

The important methods of this class are setInput( ) , which specifies input data to be compressed, and deflate( ) , which compresses the data and returns the compressed output. The remaining methods exist so that Deflater can be used for stream-based compression, as it is in higher-level classes, such as GZIPOutputStream and ZipOutputStream . These stream classes are sufficient in most cases. Most applications do not need to use Deflater directly. The Inflater class uncompresses data compressed with a Deflater object.

 public class  Deflater  {  // Public Constructors  public  Deflater  ( );        public  Deflater  (int  level  );        public  Deflater  (int  level  , boolean  nowrap  );  // Public Constants  public static final int  BEST_COMPRESSION  ;  =9  public static final int  BEST_SPEED  ;  =1  public static final int  DEFAULT_COMPRESSION  ;  =-1  public static final int  DEFAULT_STRATEGY  ;  =0  public static final int  DEFLATED  ;  =8  public static final int  FILTERED  ;  =1  public static final int  HUFFMAN_ONLY  ;  =2  public static final int  NO_COMPRESSION  ;  =0   // Public Instance Methods  public int  deflate  (byte[ ]  b  );        public int  deflate  (byte[ ]  b  , int  off  , int  len  );  synchronized  public void  end  ( );  synchronized  public void  finish  ( );  synchronized  public boolean  finished  ( );  synchronized  public int  getAdler  ( );  synchronized  default:1  5.0  public long  getBytesRead  ( );  synchronized  default:0  5.0  public long  getBytesWritten  ( );  synchronized  default:0      public int  getTotalIn  ( );  default:0  public int  getTotalOut  ( );  default:0  public boolean  needsInput  ( );        public void  reset  ( );  synchronized  public void  setDictionary  (byte[ ]  b  );        public void  setDictionary  (byte[ ]  b  , int  off  , int  len  );  synchronized  public void  setInput  (byte[ ]  b  );        public void  setInput  (byte[ ]  b  , int  off  , int  len  );  synchronized  public void  setLevel  (int  level  );  synchronized  public void  setStrategy  (int  strategy  );  synchronized   // Protected Methods Overriding Object  protected void  finalize  ( );   } 

Passed To

DeflaterOutputStream.DeflaterOutputStream( )

Type Of

DeflaterOutputStream.def