Coverage Report - org.mule.transformer.compression.GZipUncompressTransformer
 
Classes in this File Line Coverage Branch Coverage Complexity
GZipUncompressTransformer
0%
0/21
0%
0/4
0
 
 1  
 /*
 2  
  * $Id: GZipUncompressTransformer.java 19250 2010-08-30 16:53:14Z dirk.olmes $
 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.transformer.compression;
 12  
 
 13  
 import org.mule.api.transformer.TransformerException;
 14  
 import org.mule.config.i18n.MessageFactory;
 15  
 import org.mule.transformer.types.DataTypeFactory;
 16  
 import org.mule.util.IOUtils;
 17  
 import org.mule.util.compression.GZipCompression;
 18  
 
 19  
 import java.io.IOException;
 20  
 import java.io.InputStream;
 21  
 
 22  
 import org.apache.commons.lang.SerializationUtils;
 23  
 
 24  
 /**
 25  
  * <code>GZipCompressTransformer</code> will uncompress a byte[] or InputStream
 26  
  */
 27  
 public class GZipUncompressTransformer extends AbstractCompressionTransformer
 28  
 {
 29  
     public GZipUncompressTransformer()
 30  
     {
 31  0
         super();
 32  0
         this.setStrategy(new GZipCompression());
 33  0
         this.registerSourceType(DataTypeFactory.BYTE_ARRAY);
 34  0
         this.registerSourceType(DataTypeFactory.INPUT_STREAM);
 35  0
         this.setReturnDataType(DataTypeFactory.BYTE_ARRAY);
 36  0
     }
 37  
 
 38  
     @Override
 39  
     public Object doTransform(Object src, String outputEncoding) throws TransformerException
 40  
     {
 41  
         byte[] buffer;
 42  
 
 43  
         try
 44  
         {
 45  0
             byte[] input = null;
 46  0
             if (src instanceof InputStream)
 47  
             {
 48  0
                 InputStream inputStream = (InputStream) src;
 49  
                 try
 50  
                 {
 51  0
                     input = IOUtils.toByteArray(inputStream);
 52  
                 }
 53  
                 finally
 54  
                 {
 55  0
                     inputStream.close();
 56  0
                 }
 57  0
             }
 58  
             else
 59  
             {
 60  0
                 input = (byte[]) src;
 61  
             }
 62  
 
 63  0
             buffer = getStrategy().uncompressByteArray(input);
 64  
         }
 65  0
         catch (IOException e)
 66  
         {
 67  0
             throw new TransformerException(
 68  
                     MessageFactory.createStaticMessage("Failed to uncompress message."), this, e);
 69  0
         }
 70  
 
 71  0
         if (!DataTypeFactory.BYTE_ARRAY.equals(getReturnDataType()))
 72  
         {
 73  0
             return SerializationUtils.deserialize(buffer);
 74  
         }
 75  
 
 76  0
         return buffer;
 77  
     }
 78  
 }