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package com.sun.xml.bind.v2.runtime;
import java.util.HashSet;
import java.util.Set;
import javax.xml.XMLConstants;
import org.w3c.dom.Attr;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
/**
* Post-init action for {@link MarshallerImpl} that incorporate the in-scope namespace bindings
* from a DOM node.
*
* TODO: do we really need this? think about a better way to put this logic back into marshaller.
*
* @author Kohsuke Kawaguchi
*/
final class DomPostInitAction implements Runnable {
private final Node node;
private final XMLSerializer serializer;
DomPostInitAction(Node node, XMLSerializer serializer) {
this.node = node;
this.serializer = serializer;
}
// declare the currently in-scope namespace bindings
public void run() {
Set<String> declaredPrefixes = new HashSet<String>();
for( Node n=node; n!=null && n.getNodeType()==Node.ELEMENT_NODE; n=n.getParentNode() ) {
NamedNodeMap atts = n.getAttributes();
if(atts==null) continue; // broken DOM. but be graceful.
for( int i=0; i<atts.getLength(); i++ ) {
Attr a = (Attr)atts.item(i);
String nsUri = a.getNamespaceURI();
if(nsUri==null || !nsUri.equals(XMLConstants.XMLNS_ATTRIBUTE_NS_URI))
continue; // not a namespace declaration
String prefix = a.getLocalName();
if(prefix==null)
continue; // broken DOM. skip to be safe
if(prefix.equals("xmlns")) {
prefix = "";
}
String value = a.getValue();
if(value==null)
continue; // broken DOM. skip to be safe
if(declaredPrefixes.add(prefix)) {
serializer.addInscopeBinding(value,prefix);
}
}
}
}
}