Coverage Report - org.mule.module.xml.transformer.XmlToObject
 
Classes in this File Line Coverage Branch Coverage Complexity
XmlToObject
0%
0/39
0%
0/8
0
 
 1  
 /*
 2  
  * $Id: XmlToObject.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.module.xml.transformer;
 12  
 
 13  
 import org.mule.api.MuleMessage;
 14  
 import org.mule.api.transformer.TransformerException;
 15  
 import org.mule.transformer.types.DataTypeFactory;
 16  
 import org.mule.util.store.DeserializationPostInitialisable;
 17  
 
 18  
 import java.io.ByteArrayInputStream;
 19  
 import java.io.IOException;
 20  
 import java.io.InputStream;
 21  
 import java.io.InputStreamReader;
 22  
 import java.io.Reader;
 23  
 import java.io.UnsupportedEncodingException;
 24  
 
 25  
 /**
 26  
  * <code>XmlToObject</code> converts xml created by the ObjectToXml transformer in to a
 27  
  * java object graph. This transformer uses XStream. Xstream uses some clever tricks so
 28  
  * objects that get marshalled to XML do not need to implement any interfaces including
 29  
  * Serializable and you don't even need to specify a default constructor.
 30  
  *
 31  
  * @see ObjectToXml
 32  
  */
 33  
 
 34  
 public class XmlToObject extends AbstractXStreamTransformer
 35  
 {
 36  
 
 37  0
     private final DomDocumentToXml domTransformer = new DomDocumentToXml();
 38  
 
 39  
     public XmlToObject()
 40  0
     {
 41  0
         registerSourceType(DataTypeFactory.STRING);
 42  0
         registerSourceType(DataTypeFactory.BYTE_ARRAY);
 43  0
         registerSourceType(DataTypeFactory.INPUT_STREAM);
 44  0
         registerSourceType(DataTypeFactory.create(org.w3c.dom.Document.class));
 45  0
         registerSourceType(DataTypeFactory.create(org.dom4j.Document.class));
 46  0
         setReturnDataType(DataTypeFactory.OBJECT);
 47  0
     }
 48  
 
 49  
     @Override
 50  
     public Object transformMessage(MuleMessage message, String outputEncoding) throws TransformerException
 51  
     {
 52  0
         Object src = message.getPayload();
 53  
         Object result;
 54  0
         if (src instanceof byte[])
 55  
         {
 56  
             try
 57  
             {
 58  0
                 Reader xml = new InputStreamReader(new ByteArrayInputStream((byte[]) src), outputEncoding);
 59  0
                 result = getXStream().fromXML(xml);
 60  
             }
 61  0
             catch (UnsupportedEncodingException e)
 62  
             {
 63  0
                 throw new TransformerException(this, e);
 64  0
             }
 65  
         }
 66  0
         else if (src instanceof InputStream)
 67  
         {
 68  0
             InputStream input = (InputStream) src;
 69  
             try
 70  
             {
 71  0
                 Reader xml = new InputStreamReader(input, outputEncoding);
 72  0
                 result = getXStream().fromXML(xml);
 73  
             }
 74  0
             catch (Exception e)
 75  
             {
 76  0
                 throw new TransformerException(this, e);
 77  
             }
 78  
             finally
 79  
             {
 80  0
                 try
 81  
                 {
 82  0
                     input.close();
 83  
                 }
 84  0
                 catch (IOException e)
 85  
                 {
 86  0
                     logger.warn("Exception closing stream: ", e);
 87  0
                 }
 88  0
             }
 89  0
         }
 90  0
         else if (src instanceof String)
 91  
         {
 92  0
             result = getXStream().fromXML(src.toString());
 93  
         }
 94  
         else
 95  
         {
 96  0
             result = getXStream().fromXML((String) domTransformer.transform(src));
 97  
         }
 98  
 
 99  
         try
 100  
         {
 101  0
             postDeserialisationInit(result);
 102  0
             return result;
 103  
         }
 104  0
         catch (Exception e)
 105  
         {
 106  0
             throw new TransformerException(this, e);
 107  
         }
 108  
     }
 109  
 
 110  
     protected void postDeserialisationInit(final Object object) throws Exception
 111  
     {
 112  0
         if (object instanceof DeserializationPostInitialisable)
 113  
         {
 114  0
             DeserializationPostInitialisable.Implementation.init(object, muleContext);
 115  
         }
 116  0
     }
 117  
 
 118  
 }