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    <p>Here is how it can be done with <a href="http://jcp.org/en/jsr/detail?id=222" rel="nofollow"><strong>JAXB (JSR-222)</strong></a>. An implementation of JAXB Is included in Java SE 6 and above.</p> <p><strong>Java Model (<code>Configuration</code>)</strong></p> <p>JAXB does not required any annotations (see: <a href="http://blog.bdoughan.com/2012/07/jaxb-no-annotations-required.html" rel="nofollow">http://blog.bdoughan.com/2012/07/jaxb-no-annotations-required.html</a>), but mapping a root element with <code>@XmlRootElement</code> does make things easier. By default JAXB will derive the mappings from the public properties, but I have used <code>@XmlAccessorType(XmlAccessType.FIELD)</code> so I could exclude them so I could post a smaller working class (see: <a href="http://blog.bdoughan.com/2011/06/using-jaxbs-xmlaccessortype-to.html" rel="nofollow">http://blog.bdoughan.com/2011/06/using-jaxbs-xmlaccessortype-to.html</a>).</p> <pre><code>import javax.xml.bind.annotation.*; @XmlRootElement(name="config") @XmlAccessorType(XmlAccessType.FIELD) public class Configuration { private String inputFile; private String user; private String password; private String truststoreFile; private String keystoreFile; private String keystorePassword; private String truststorePassword; // getters, setters, etc. } </code></pre> <p><strong>Demo Code (<code>Demo</code>)</strong></p> <p>The following demo code will covert the XML to object form and then write it back to XML.</p> <pre><code>import java.io.File; import javax.xml.bind.*; public class Demo { public static void main(String[] args) throws Exception { JAXBContext jc = JAXBContext.newInstance(Configuration.class); Unmarshaller unmarshaller = jc.createUnmarshaller(); File xml = new File("src/forum19407064/input.xml"); Configuration configuration = (Configuration) unmarshaller.unmarshal(xml); Marshaller marshaller = jc.createMarshaller(); marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true); marshaller.marshal(configuration, System.out); } } </code></pre> <p><strong>Additional Info</strong></p> <p>Since you are familiar with XStream here is an article I wrote that maps an object model with both JAXB and XStream to see what the differences are.</p> <ul> <li><a href="http://blog.bdoughan.com/2010/10/how-does-jaxb-compare-to-xstream.html" rel="nofollow">http://blog.bdoughan.com/2010/10/how-does-jaxb-compare-to-xstream.html</a></li> </ul>
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