Docjar: com/flexstor/common/util/ObjectDeflator.java

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Source code: com/flexstor/common/util/ObjectDeflator.java

1   /*
2    * ObjectDeflator.java
3    *
4    * Copyright $Date: 2003/08/11 02:22:31 $ FLEXSTOR.net Inc.
5    *
6    * This work is licensed for use and distribution under license terms found at
7    * http://www.flexstor.org/license.html
8    *
9    */
10  
11  package com.flexstor.common.util;
12  
13  import java.io.ByteArrayInputStream;
14  import java.io.ByteArrayOutputStream;
15  import java.io.ObjectInputStream;
16  import java.io.ObjectOutputStream;
17  import java.util.zip.DeflaterOutputStream;
18  import java.util.zip.InflaterInputStream;
19  
20  public class ObjectDeflator
21  {
22     public static byte[] deflate ( Object obj )
23     {
24        try
25        {
26           ByteArrayOutputStream d_baos = new ByteArrayOutputStream();
27           DeflaterOutputStream  d_dos  = new DeflaterOutputStream ( d_baos );
28           ObjectOutputStream    d_oos  = new ObjectOutputStream ( d_dos );
29  
30           d_oos.writeObject ( obj );
31           d_dos.close();
32           d_baos.close();
33           return d_baos.toByteArray();
34        }
35        catch ( Exception e )
36        {
37           System.out.println ( "Deflate error:  " + e.getMessage() );
38           return null;
39        }
40     }
41  
42     public static Object inflate ( byte[] data )
43     {
44        try
45        {
46           ObjectInputStream i_ois = new ObjectInputStream ( new InflaterInputStream ( new ByteArrayInputStream ( data ) ) );
47           i_ois.close();
48           return i_ois.readObject();
49        }
50        catch ( Exception e )
51        {
52           System.out.println ( "Inflate error:  " + e.getMessage() );
53           return null;
54        }
55     }
56  }