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  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 3  
  * The software in this package is published under the terms of the CPAL v1.0
 4  
  * license, a copy of which has been included with this distribution in the
 5  
  * LICENSE.txt file.
 6  
  */
 7  
 package org.mule.module.xml.transformer;
 8  
 
 9  
 import org.mule.api.MuleMessage;
 10  
 import org.mule.api.transformer.TransformerException;
 11  
 import org.mule.transformer.types.DataTypeFactory;
 12  
 import org.mule.util.store.DeserializationPostInitialisable;
 13  
 
 14  
 import java.io.ByteArrayInputStream;
 15  
 import java.io.IOException;
 16  
 import java.io.InputStream;
 17  
 import java.io.InputStreamReader;
 18  
 import java.io.Reader;
 19  
 import java.io.UnsupportedEncodingException;
 20  
 
 21  
 /**
 22  
  * <code>XmlToObject</code> converts xml created by the ObjectToXml transformer in to a
 23  
  * java object graph. This transformer uses XStream. Xstream uses some clever tricks so
 24  
  * objects that get marshalled to XML do not need to implement any interfaces including
 25  
  * Serializable and you don't even need to specify a default constructor.
 26  
  *
 27  
  * @see ObjectToXml
 28  
  */
 29  
 
 30  
 public class XmlToObject extends AbstractXStreamTransformer
 31  
 {
 32  
 
 33  0
     private final DomDocumentToXml domTransformer = new DomDocumentToXml();
 34  
 
 35  
     public XmlToObject()
 36  0
     {
 37  0
         registerSourceType(DataTypeFactory.STRING);
 38  0
         registerSourceType(DataTypeFactory.BYTE_ARRAY);
 39  0
         registerSourceType(DataTypeFactory.INPUT_STREAM);
 40  0
         registerSourceType(DataTypeFactory.create(org.w3c.dom.Document.class));
 41  0
         registerSourceType(DataTypeFactory.create(org.dom4j.Document.class));
 42  0
         setReturnDataType(DataTypeFactory.OBJECT);
 43  0
     }
 44  
 
 45  
     @Override
 46  
     public Object transformMessage(MuleMessage message, String outputEncoding) throws TransformerException
 47  
     {
 48  0
         Object src = message.getPayload();
 49  
         Object result;
 50  0
         if (src instanceof byte[])
 51  
         {
 52  
             try
 53  
             {
 54  0
                 Reader xml = new InputStreamReader(new ByteArrayInputStream((byte[]) src), outputEncoding);
 55  0
                 result = getXStream().fromXML(xml);
 56  
             }
 57  0
             catch (UnsupportedEncodingException e)
 58  
             {
 59  0
                 throw new TransformerException(this, e);
 60  0
             }
 61  
         }
 62  0
         else if (src instanceof InputStream)
 63  
         {
 64  0
             InputStream input = (InputStream) src;
 65  
             try
 66  
             {
 67  0
                 Reader xml = new InputStreamReader(input, outputEncoding);
 68  0
                 result = getXStream().fromXML(xml);
 69  
             }
 70  0
             catch (Exception e)
 71  
             {
 72  0
                 throw new TransformerException(this, e);
 73  
             }
 74  
             finally
 75  
             {
 76  0
                 try
 77  
                 {
 78  0
                     input.close();
 79  
                 }
 80  0
                 catch (IOException e)
 81  
                 {
 82  0
                     logger.warn("Exception closing stream: ", e);
 83  0
                 }
 84  0
             }
 85  0
         }
 86  0
         else if (src instanceof String)
 87  
         {
 88  0
             result = getXStream().fromXML(src.toString());
 89  
         }
 90  
         else
 91  
         {
 92  0
             result = getXStream().fromXML((String) domTransformer.transform(src));
 93  
         }
 94  
 
 95  
         try
 96  
         {
 97  0
             postDeserialisationInit(result);
 98  0
             return result;
 99  
         }
 100  0
         catch (Exception e)
 101  
         {
 102  0
             throw new TransformerException(this, e);
 103  
         }
 104  
     }
 105  
 
 106  
     protected void postDeserialisationInit(final Object object) throws Exception
 107  
     {
 108  0
         if (object instanceof DeserializationPostInitialisable)
 109  
         {
 110  0
             DeserializationPostInitialisable.Implementation.init(object, muleContext);
 111  
         }
 112  0
     }
 113  
 
 114  
 }