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package org.mule.module.xml.transformer.jaxb; |
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import org.mule.api.lifecycle.InitialisationException; |
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import org.mule.api.transformer.DataType; |
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import org.mule.api.transformer.TransformerException; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.transformer.AbstractTransformer; |
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import org.mule.transformer.types.DataTypeFactory; |
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import java.io.File; |
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import java.io.InputStream; |
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import java.io.StringReader; |
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import java.io.Writer; |
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import java.net.URL; |
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import javax.xml.bind.JAXBContext; |
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import javax.xml.bind.JAXBElement; |
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import javax.xml.bind.JAXBException; |
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import javax.xml.bind.Unmarshaller; |
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import javax.xml.stream.XMLEventReader; |
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import javax.xml.stream.XMLStreamReader; |
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import javax.xml.transform.Source; |
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import org.w3c.dom.Node; |
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public class JAXBUnmarshallerTransformer extends AbstractTransformer |
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{ |
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protected JAXBContext jaxbContext; |
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public JAXBUnmarshallerTransformer() |
47 | 0 | { |
48 | 0 | registerSourceType(DataTypeFactory.STRING); |
49 | 0 | registerSourceType(DataTypeFactory.create(Writer.class)); |
50 | 0 | registerSourceType(DataTypeFactory.create(File.class)); |
51 | 0 | registerSourceType(DataTypeFactory.create(URL.class)); |
52 | 0 | registerSourceType(DataTypeFactory.create(Node.class)); |
53 | 0 | registerSourceType(DataTypeFactory.INPUT_STREAM); |
54 | 0 | registerSourceType(DataTypeFactory.create(Source.class)); |
55 | 0 | registerSourceType(DataTypeFactory.create(XMLStreamReader.class)); |
56 | 0 | registerSourceType(DataTypeFactory.create(XMLEventReader.class)); |
57 | 0 | } |
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public JAXBUnmarshallerTransformer(JAXBContext jaxbContext, DataType returnType) |
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{ |
61 | 0 | this(); |
62 | 0 | this.jaxbContext = jaxbContext; |
63 | 0 | setReturnDataType(returnType); |
64 | 0 | } |
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@Override |
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public void initialise() throws InitialisationException |
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{ |
69 | 0 | super.initialise(); |
70 | 0 | if (jaxbContext == null) |
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{ |
72 | 0 | if(Object.class.equals(getReturnDataType().getType())) |
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{ |
74 | 0 | throw new InitialisationException(CoreMessages.objectIsNull("jaxbContext"), this); |
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} |
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else |
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{ |
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try |
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{ |
80 | 0 | jaxbContext = JAXBContext.newInstance(getReturnDataType().getType()); |
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} |
82 | 0 | catch (JAXBException e) |
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{ |
84 | 0 | throw new InitialisationException(e, this); |
85 | 0 | } |
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} |
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} |
88 | 0 | } |
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@Override |
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protected Object doTransform(Object src, String encoding) throws TransformerException |
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{ |
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try |
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{ |
95 | 0 | final Unmarshaller u = jaxbContext.createUnmarshaller(); |
96 | 0 | if (src instanceof String) |
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{ |
98 | 0 | return u.unmarshal(new StringReader((String) src)); |
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} |
100 | 0 | else if (src instanceof File) |
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{ |
102 | 0 | return u.unmarshal((File) src); |
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} |
104 | 0 | else if (src instanceof URL) |
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{ |
106 | 0 | return u.unmarshal((URL) src); |
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} |
108 | 0 | else if (src instanceof InputStream) |
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{ |
110 | 0 | return u.unmarshal((InputStream) src); |
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} |
112 | 0 | else if (src instanceof Node) |
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{ |
114 | 0 | JAXBElement e = u.unmarshal((Node) src, getReturnClass()); |
115 | 0 | return e.getValue(); |
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} |
117 | 0 | else if (src instanceof Source) |
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{ |
119 | 0 | JAXBElement e = u.unmarshal((Source) src, getReturnClass()); |
120 | 0 | return e.getValue(); |
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} |
122 | 0 | else if (src instanceof XMLStreamReader) |
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{ |
124 | 0 | JAXBElement e = u.unmarshal((XMLStreamReader) src, getReturnClass()); |
125 | 0 | return e.getValue(); |
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} |
127 | 0 | else if (src instanceof XMLEventReader) |
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{ |
129 | 0 | JAXBElement e = u.unmarshal((XMLEventReader) src, getReturnClass()); |
130 | 0 | return e.getValue(); |
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} |
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} |
134 | 0 | catch (Exception e) |
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{ |
136 | 0 | throw new TransformerException(this, e); |
137 | 0 | } |
138 | 0 | return null; |
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} |
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public JAXBContext getJaxbContext() |
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{ |
143 | 0 | return jaxbContext; |
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} |
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public void setJaxbContext(JAXBContext jaxbContext) |
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{ |
148 | 0 | this.jaxbContext = jaxbContext; |
149 | 0 | } |
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} |