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1   /*
2    * $Id: CompressionStrategy.java 19191 2010-08-25 21:05:23Z tcarlson $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  
11  package org.mule.util.compression;
12  
13  import java.io.IOException;
14  
15  /**
16   * <code>CompressionStrategy</code> is a base interface for Different compression
17   * strategies
18   */
19  public interface CompressionStrategy
20  {
21      /**
22       * The fully qualified class name of the fallback
23       * <code>CompressionStrategy</code> implementation class to use, if no other
24       * can be found. the default is
25       * <code>org.mule.util.compression.GZipCompression</code>
26       */
27      String COMPRESSION_DEFAULT = "org.mule.util.compression.GZipCompression";
28  
29      /**
30       * JDK1.3+ 'Service Provider' specification (
31       * http://java.sun.com/j2se/1.3/docs/guide/jar/jar.html )
32       */
33      String SERVICE_ID = "META-INF/services/org.mule.util.compression.CompressionStrategy";
34  
35      byte[] compressByteArray(byte[] bytes) throws IOException;
36  
37      byte[] uncompressByteArray(byte[] bytes) throws IOException;
38  
39      boolean isCompressed(byte[] bytes) throws IOException;
40  }