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package org.eclipse.jst.jsf.context.resolver.structureddocument.internal.impl;
import org.eclipse.jst.jsf.context.IModelContext;
import org.eclipse.jst.jsf.context.resolver.structureddocument.IDOMContextResolver;
import org.eclipse.jst.jsf.context.resolver.structureddocument.internal.IStructuredDocumentContextResolverFactory2;
import org.eclipse.jst.jsf.context.resolver.structureddocument.internal.IXMLNodeContextResolver;
import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContext;
import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContextFactory2;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* A default resolver based on the dom context resolver.
*
*/
public class DOMBasedXMLNodeContextResolver implements IXMLNodeContextResolver
{
private IDOMContextResolver delegate;
/**
* @param delegate
*/
public DOMBasedXMLNodeContextResolver(final IDOMContextResolver delegate)
{
this.delegate = delegate;
}
public IXMLNodeContextResolver getParentNodeResolver()
{
Node node = this.delegate.getNode();
Element parentNode = null;
if (node instanceof Attr)
{
parentNode = ((Attr)node).getOwnerElement();
}
else if (node instanceof Element)
{
parentNode = (Element) ((Element)node).getParentNode();
}
if (parentNode != null)
{
IStructuredDocumentContext context = IStructuredDocumentContextFactory2.INSTANCE.getContext(parentNode);
if (context != null)
{
IDOMContextResolver domContextResolver = IStructuredDocumentContextResolverFactory2.INSTANCE.getDOMContextResolver(context);
if (domContextResolver != null)
{
return new DOMBasedXMLNodeContextResolver(domContextResolver);
}
}
}
return null;
}
public boolean isAttribute()
{
return this.delegate.getNode() instanceof Attr;
}
public String getValue()
{
Node node = this.delegate.getNode();
if (node instanceof Attr)
{
return ((Attr)node).getValue();
}
return null;
}
public String getLocalName()
{
Node node = this.delegate.getNode();
if (node instanceof Attr)
{
return ((Attr)node).getLocalName();
}
else if (node instanceof Element)
{
return ((Element)node).getLocalName();
}
return null;
}
public String getNamespaceURI()
{
Node node = this.delegate.getNode();
if (node != null)
{
return node.getNamespaceURI();
}
return null;
}
public void setContext(IModelContext context)
{
// ignore since this resolver is just delegating to a dom context.
}
}
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