Coverage Report - org.mule.transport.file.transformers.FileToString
 
Classes in this File Line Coverage Branch Coverage Complexity
FileToString
86%
12/14
50%
2/4
3.5
 
 1  
 /*
 2  
  * $Id: FileToString.java 11561 2008-04-10 23:42:48Z dfeist $
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.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.transport.file.transformers;
 12  
 
 13  
 import org.mule.api.transformer.TransformerException;
 14  
 import org.mule.util.IOUtils;
 15  
 
 16  
 import java.io.File;
 17  
 import java.io.InputStream;
 18  
 import java.io.UnsupportedEncodingException;
 19  
 
 20  
 /**
 21  
  * <code>FileToString</code> reads file contents into a string.
 22  
  */
 23  
 public class FileToString extends FileToByteArray
 24  
 {
 25  
 
 26  
     public FileToString()
 27  8
     {
 28  8
         registerSourceType(File.class);
 29  8
         registerSourceType(InputStream.class);
 30  8
         registerSourceType(byte[].class);
 31  8
         setReturnClass(String.class);
 32  8
     }
 33  
 
 34  
     /**
 35  
      * Simple implementation which relies on {@link FileToByteArray} to get a
 36  
      * <code>byte[]</code> from the file beeing parsed and then transform it to a
 37  
      * String with the correct encoding. If the encoding isn't supported simply throw
 38  
      * an exception, good tranformation or no transformation at all. NOTE: if a
 39  
      * <code>byte[]</code> is passed in as a source object this transformer accepts
 40  
      * it and tries the usual transformation.
 41  
      */
 42  
     // @Override
 43  
     public Object doTransform(Object src, String encoding) throws TransformerException
 44  
     {
 45  
         byte[] bytes;
 46  
 
 47  6
         if (src instanceof InputStream)
 48  
         {
 49  0
             bytes = IOUtils.toByteArray((InputStream) src);
 50  
         }
 51  6
         else if (src instanceof byte[])
 52  
         {
 53  0
             bytes = (byte[])src;
 54  
         }
 55  
         else
 56  
         {
 57  6
             bytes = (byte[])super.doTransform(src, encoding);
 58  
         }
 59  
 
 60  
         try
 61  
         {
 62  6
             return new String(bytes, encoding);
 63  
         }
 64  2
         catch (UnsupportedEncodingException uee)
 65  
         {
 66  2
             throw new TransformerException(this, uee);
 67  
         }
 68  
     }
 69  
 
 70  
 }