Pack200.Unpacker

Pack200.Unpacker

java.util.jar

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Java 5.0

This interface defines an API for converting a file or stream in Pack200 (or gzipped Pack200) format into a JAR file in the form of a JarOutputStream . Obtain an Unpacker object with the Pack200.newUnpacker( ) method. Before using an unpacker, you may configure it by setting properties in the Map returned by the properties( ) method. Unpack a JAR file with the unpack( ) method, specifying a File or stream of packed bytes. Monitor the progress of the unpacker by querying the PROGRESS key in the Map returned by properties( ) . The value should be an Integer representing a completion percentage between 0 and 100. If you want to be notified of changes to the PROGRESS property, register a java.beans.PropertyChangeListener with addPropertyChangeListener( ) . See also the unpack200 command in Chapter 8.

 public interface  Pack200.Unpacker  {  // Public Constants  public static final String  DEFLATE_HINT  ;  =  "unpack.deflate.hint"      public static final String  FALSE  ;  =  "false"      public static final String  KEEP  ;  =  "keep"      public static final String  PROGRESS  ;  =  "unpack.progress"      public static final String  TRUE  ;  =  "true"  // Event Registration Methods (by event name)  void  addPropertyChangeListener  (java.beans.PropertyChangeListener  listener  );        void  removePropertyChangeListener  (java.beans.PropertyChangeListener  listener  );  // Public Instance Methods  java.util.SortedMap<String,String>  properties  ( );        void  unpack  (java.io.InputStream  in  , JarOutputStream  out  ) throws java.io.IOException;        void  unpack  (java.io.File  in  , JarOutputStream  out  ) throws java.io.IOException;   } 

Returned By

Pack200.newUnpacker( )