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copied!<p>Any <a href="http://jcp.org/en/jsr/detail?id=222" rel="nofollow"><strong>JAXB (JSR-222)</strong></a> implementation (including <a href="http://www.eclipse.org/eclipselink/moxy.php" rel="nofollow"><strong>EclipseLink MOXy</strong></a>) can keep free from information as a DOM structure. You could use an <code>XmlAdapter</code> to convert that DOM structure to/from a Map.</p> <p><strong>XmlAdapter (DomMapAdapter)</strong></p> <p>Below is a skeleton for the <code>XmlAdapter</code>, I haven't actually included the logic for converting between a <code>java.util.Map</code> and <code>org.w3c.dom.Document</code>.</p> <pre><code>import java.util.*; import javax.xml.bind.annotation.adapters.XmlAdapter; import javax.xml.parsers.DocumentBuilderFactory; import org.w3c.dom.*; public class DomMapAdapter extends XmlAdapter<Object, Map<String, Object>> { private Document document; public DomMapAdapter() { try { document = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument(); } catch(Exception e) { throw new RuntimeException(e); } } @Override public Map<String, Object> unmarshal(Object v) throws Exception { Document document = (Document) v; Map<String, Object> map = new HashMap<String, Object>(); // TODO - Convert Document to Map return map; } @Override public Object marshal(Map<String, Object> v) throws Exception { // TODO - Convert Map to Document return document; } } </code></pre> <p><strong>Model</strong></p> <p>Below is how you specify the <code>XmlAdapter</code> using the <code>XmlJavaTypeAdapter</code> annotation.</p> <pre><code>import java.util.Map; import javax.xml.bind.annotation.*; import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter; @XmlRootElement @XmlAccessorType(XmlAccessType.FIELD) public class Model { @XmlJavaTypeAdapter(DomMapAdapter.class) private Map<String, Object> data; } </code></pre> <hr> <p>I have entered the following enhancement request that would make this use case easier. Please add any information that you feel would be helpful:</p> <ul> <li><a href="http://bugs.eclipse.org/407196" rel="nofollow">http://bugs.eclipse.org/407196</a></li> </ul>

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