source: trunk/gsdl3/src/java/org/greenstone/gsdl3/gs3build/metadata/NamespaceFactory.java@ 8461

package org.greenstone.gsdl3.gs3build.metadata;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;

public class NamespaceFactory
{
    public static METSNamespace initNamespace()
    {   return new GSDL3Namespace();
    }

    public static METSNamespace initNamespace(String name)
    {   if (name.equals(GSDL3Namespace.GSDL3_NAMESPACE_ID))
        {   return new GSDL3Namespace();
        }
        return new SimpleNamespace(name);
    }

    public static METSNamespace initNamespace(String name, METSLocation location)
    {   if (name.equals(GSDL3Namespace.GSDL3_NAMESPACE_ID))
        {   return new GSDL3Namespace(location);
        }
        return new SimpleNamespace(name, location);
    }

    /**
     *  TODO: parse the document in based upon its namespace
     */
    public static METSNamespace initNamespace(String name, Element element)
    {   //return null;
    return new SimpleNamespace(name);
    }

    public static METSNamespace parseXML(Element element)
    { METSNamespace namespace = null;

        String mdType = element.getAttribute("MDType");
        String mimeType = element.getAttribute("mimeType");

        if (element.getNodeName().equals("mets:mdWrap"))
        { namespace = initNamespace(mdType, element);
        }
        else if (element.getNodeName().equals("mets:mdRef"))
        { // just a file wrapper on the metadata...
            String location = element.getAttribute("xlink:href");
            String locationType = element.getAttribute("LOCTYPE");

            try
            {
                METSLocation metsLocation = new METSLocation(locationType, location);
                namespace = initNamespace(mdType, metsLocation);
            }
            catch (java.net.MalformedURLException ex)
            {   // TODO: Error, should never happen in the case of Greenstone-exported XML
            }
        }
        return namespace;
    }
}