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Language:
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12.22. Implementing a Binary Source Reader
- To implement a binary source reader, observe the following
parse
method implementation:public static class BinaryFormatXXReader implements SmooksXMLReader, StreamReader { @ConfigParam private String xProtocolVersion; @ConfigParam private int someOtherXProtocolConfig; // etc... public void parse(InputSource inputSource) throws IOException, SAXException { // Use the InputStream (binary) on the InputSource... InputStream binStream = inputSource.getByteStream(); // Create and configure the data decoder... BinaryFormatXDecoder xDecoder = new BinaryFormatXDecoder(); xDecoder.setProtocolVersion(xProtocolVersion); xDecoder.setSomeOtherXProtocolConfig(someOtherXProtocolConfig); xDecoder.setXSource(binStream); // Generate the XML Events on the contentHandler... contentHandler.startDocument(); // Use xDecoder to fire startElement, endElement etc events on the contentHandler (see previous section)... contentHandler.endDocument(); } // etc.... }
- Configure the
BinaryFormatXXReader
reader in your Smooks configuration as you would any other reader:<smooks-resource-list xmlns="http://www.milyn.org/xsd/smooks-1.1.xsd"> <reader class="com.acme.BinaryFormatXXReader"> <params> <param name="xProtocolVersion">2.5.7</param> <param name="someOtherXProtocolConfig">1</param> ... etc... </params> </reader> ... Other Smooks configurations e.g. <jb:bean> configs for binding the binary data into Java objects... </smooks-resource-list>
- Run the Smooks execution code (note the
InputStream
supplied to theStreamSource
). In this case, two results are generated: XML and Java objects.StreamResult xmlResult = new StreamResult(xmlOutWriter); JavaResult javaResult = new JavaResult(); InputStream xBinaryInputStream = getXByteStream(); smooks.filterSource(new StreamSource(xBinaryInputStream), xmlResult, javaResult); // etc... Use the beans in the javaResult...