Coverage Report - org.mule.module.xml.transformer.jaxb.JAXBMarshallerTransformer
 
Classes in this File Line Coverage Branch Coverage Complexity
JAXBMarshallerTransformer
0%
0/41
0%
0/12
0
JAXBMarshallerTransformer$1
0%
0/8
N/A
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.jaxb;
 8  
 
 9  
 import org.mule.api.MuleEvent;
 10  
 import org.mule.api.lifecycle.InitialisationException;
 11  
 import org.mule.api.transformer.DataType;
 12  
 import org.mule.api.transformer.TransformerException;
 13  
 import org.mule.api.transport.OutputHandler;
 14  
 import org.mule.config.i18n.CoreMessages;
 15  
 import org.mule.transformer.AbstractTransformer;
 16  
 import org.mule.transformer.types.DataTypeFactory;
 17  
 
 18  
 import java.io.ByteArrayOutputStream;
 19  
 import java.io.IOException;
 20  
 import java.io.OutputStream;
 21  
 import java.io.StringWriter;
 22  
 import java.io.Writer;
 23  
 
 24  
 import javax.xml.bind.JAXBContext;
 25  
 import javax.xml.bind.JAXBException;
 26  
 import javax.xml.bind.Marshaller;
 27  
 import javax.xml.parsers.DocumentBuilderFactory;
 28  
 
 29  
 import org.w3c.dom.Document;
 30  
 
 31  
 /**
 32  
  * Allows marshaling of Java objects to XML using JAXB 2.  A specific sourceClass can be set on this transformer, this
 33  
  * is the expected source object type.  If no external {@link javax.xml.bind.JAXBContext} is set on the transformer, but
 34  
  * the 'sourceClass' is set, a {@link javax.xml.bind.JAXBContext} will be created using the sourceClass.
 35  
  *
 36  
  * @since 3.0
 37  
  */
 38  
 public class JAXBMarshallerTransformer extends AbstractTransformer
 39  
 {
 40  
     protected JAXBContext jaxbContext;
 41  
 
 42  
     protected Class<?> sourceClass;
 43  
 
 44  
     public JAXBMarshallerTransformer()
 45  0
     {
 46  0
         setReturnDataType(DataTypeFactory.create(OutputStream.class));
 47  0
         registerSourceType(DataTypeFactory.OBJECT);
 48  0
     }
 49  
 
 50  
     public JAXBMarshallerTransformer(JAXBContext jaxbContext, DataType returnType)
 51  
     {
 52  0
         this();
 53  0
         this.jaxbContext = jaxbContext;
 54  0
         setReturnDataType(returnType);
 55  0
     }
 56  
 
 57  
     @Override
 58  
     public void initialise() throws InitialisationException
 59  
     {
 60  0
         super.initialise();
 61  0
         if (jaxbContext == null)
 62  
         {
 63  0
             throw new InitialisationException(CoreMessages.objectIsNull("jaxbContext"), this);
 64  
         }
 65  0
     }
 66  
 
 67  
     @Override
 68  
     protected Object doTransform(final Object src, String encoding) throws TransformerException
 69  
     {
 70  
         try
 71  
         {
 72  0
             final Marshaller m = jaxbContext.createMarshaller();
 73  0
             if (getReturnClass().equals(String.class))
 74  
             {
 75  0
                 Writer w = new StringWriter();
 76  0
                 m.marshal(src, w);
 77  0
                 return w.toString();
 78  
             }
 79  0
             else if (getReturnClass().isAssignableFrom(Writer.class))
 80  
             {
 81  0
                 Writer w = new StringWriter();
 82  0
                 m.marshal(src, w);
 83  0
                 return w;
 84  
             }
 85  0
             else if (Document.class.isAssignableFrom(getReturnClass()))
 86  
             {
 87  0
                 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
 88  0
                 Document doc = factory.newDocumentBuilder().newDocument();
 89  0
                 m.marshal(src, doc);
 90  0
                 return doc;
 91  
             }
 92  0
             else if (OutputStream.class.isAssignableFrom(getReturnClass()))
 93  
             {
 94  0
                 ByteArrayOutputStream out = new ByteArrayOutputStream();
 95  0
                 m.marshal(src, out);
 96  0
                 return out;
 97  
             }
 98  0
             else if (OutputHandler.class.equals(getReturnClass()))
 99  
             {
 100  0
                 return new OutputHandler()
 101  0
                 {
 102  
                     public void write(MuleEvent event, OutputStream out) throws IOException
 103  
                     {
 104  
                         try
 105  
                         {
 106  0
                             m.marshal(src, out);
 107  
                         }
 108  0
                         catch (JAXBException e)
 109  
                         {
 110  0
                             IOException iox = new IOException("failed to mashal objec tto XML");
 111  0
                             iox.initCause(e);
 112  0
                             throw iox;
 113  0
                         }
 114  0
                     }
 115  
                 };
 116  
             }
 117  
             else
 118  
             {
 119  0
                 throw new TransformerException(CoreMessages.transformerInvalidReturnType(getReturnClass(), getName()));
 120  
             }
 121  
 
 122  
         }
 123  0
         catch (Exception e)
 124  
         {
 125  0
             throw new TransformerException(this, e);
 126  
         }
 127  
     }
 128  
 
 129  
     public JAXBContext getJaxbContext()
 130  
     {
 131  0
         return jaxbContext;
 132  
     }
 133  
 
 134  
     public void setJaxbContext(JAXBContext jaxbContext)
 135  
     {
 136  0
         this.jaxbContext = jaxbContext;
 137  0
     }
 138  
 
 139  
     public Class<?> getSourceClass()
 140  
     {
 141  0
         return sourceClass;
 142  
     }
 143  
 
 144  
     public void setSourceClass(Class<?> sourceClass)
 145  
     {
 146  0
         this.sourceClass = sourceClass;
 147  0
     }
 148  
 }