Coverage Report - org.mule.module.xml.transformer.XmlToObject
 
Classes in this File Line Coverage Branch Coverage Complexity
XmlToObject
72%
21/29
83%
5/6
6.5
 
 1  
 /*
 2  
  * $Id: XmlToObject.java 11336 2008-03-12 17:53:18Z dirk.olmes $
 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.module.xml.transformer;
 12  
 
 13  
 import org.mule.api.MuleMessage;
 14  
 import org.mule.api.transformer.TransformerException;
 15  
 
 16  
 import java.io.ByteArrayInputStream;
 17  
 import java.io.IOException;
 18  
 import java.io.InputStream;
 19  
 import java.io.InputStreamReader;
 20  
 import java.io.Reader;
 21  
 import java.io.UnsupportedEncodingException;
 22  
 
 23  
 /**
 24  
  * <code>XmlToObject</code> converts xml created by the ObjectToXml transformer in to a
 25  
  * java object graph. This transformer uses XStream. Xstream uses some clever tricks so
 26  
  * objects that get marshalled to XML do not need to implement any interfaces including
 27  
  * Serializable and you don't even need to specify a default constructor.
 28  
  *
 29  
  * @see org.mule.transformer.xml.ObjectToXml
 30  
  */
 31  
 
 32  
 public class XmlToObject extends AbstractXStreamTransformer
 33  
 {
 34  
 
 35  44
     private final DomDocumentToXml domTransformer = new DomDocumentToXml();
 36  
 
 37  
     public XmlToObject()
 38  44
     {
 39  44
         registerSourceType(String.class);
 40  44
         registerSourceType(byte[].class);
 41  44
         registerSourceType(InputStream.class);
 42  44
         registerSourceType(org.w3c.dom.Document.class);
 43  44
         registerSourceType(org.dom4j.Document.class);
 44  44
         setReturnClass(Object.class);
 45  44
     }
 46  
 
 47  
     public Object transform(MuleMessage message, String outputEncoding) throws TransformerException
 48  
     {
 49  22
         Object src = message.getPayload();
 50  22
         if (src instanceof byte[])
 51  
         {
 52  
             try
 53  
             {
 54  4
                 Reader xml = new InputStreamReader(new ByteArrayInputStream((byte[]) src), outputEncoding);
 55  4
                 return getXStream().fromXML(xml);
 56  
             }
 57  0
             catch (UnsupportedEncodingException uee)
 58  
             {
 59  0
                 throw new TransformerException(this, uee);
 60  
             }
 61  
         }
 62  18
         else if(src instanceof InputStream)
 63  
         {
 64  6
             InputStream input = (InputStream) src;
 65  
             try
 66  
             {
 67  6
                 Reader xml = new InputStreamReader(input, outputEncoding);
 68  6
                 return getXStream().fromXML(xml);
 69  
             }
 70  0
             catch (UnsupportedEncodingException uee)
 71  
             {
 72  0
                 throw new TransformerException(this, uee);
 73  
             }
 74  
             finally
 75  
             {
 76  0
                 try
 77  
                 {
 78  6
                     input.close();
 79  
                 }
 80  0
                 catch (IOException e)
 81  
                 {
 82  0
                     logger.warn("Exception closing stream: ", e);
 83  12
                 }
 84  
             }
 85  
         }
 86  12
         else if (src instanceof String)
 87  
         {
 88  12
             return getXStream().fromXML(src.toString());
 89  
         }
 90  
         else
 91  
         {
 92  0
             return getXStream().fromXML((String) domTransformer.transform(src));
 93  
         }
 94  
     }
 95  
 
 96  
 }