source: trunk/greenstone3-extensions/gs3build/src/org/greenstone/gsdl3/gs3build/metadata/NamespaceFactory.java@ 12188

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 mdType =element.getAttribute("MDTYPE");

    String othermdType = element.getAttribute("OTHERMDTYPE");
    String mimeType = element.getAttribute("mimeType");
    
    if (element.getNodeName().equals("mets:mdWrap")) {
        namespace = initNamespace(othermdType, element);
    }
    else if (element.getNodeName().equals("mets:mdRef")) {
        String mdType = element.getAttribute("MDType");
        // 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;
    }
}