Metacat

package edu.ucsb.nceas.metacat.index;

import javax.xml.XMLConstants;

import javax.xml.namespace.NamespaceContext;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

/**

 */

public class MCXmlNamespace implements NamespaceContext {

	// Namespace prefixes for use in XPath expressions

	// The literal values assigned here should be distinct but are not significant -- they

	// may equally be "a" "b" "c" etc as long as the symbolic names are used consistently

	public static final String E200 = "e200";

	public static final String E211 = "e211";

	public static final String E210 = "e210";

	public static final String E201 = "e201";

	public static final String D1 = "d1";

	public static final String ORE = "ore";

	public static final String DC = "dc";

	public static final String DCT = "dct";

	public static final String FOAF = "foaf";

	private static final Map<String, String> prefixes;

	static {

		prefixes = new HashMap<String, String>();

		prefixes.put(E200, "eml://ecoinformatics.org/eml-2.0.0");

		prefixes.put(E201, "eml://ecoinformatics.org/eml-2.0.1");

		prefixes.put(E210, "eml://ecoinformatics.org/eml-2.1.0");

		prefixes.put(E211, "eml://ecoinformatics.org/eml-2.1.1");

		prefixes.put(D1, "http://ns.dataone.org/service/types/v1");

		prefixes.put(ORE, "http://www.openarchives.org/ore/terms/");

		prefixes.put(DC, "http://purl.org/dc/elements/1.1/");

		prefixes.put(DCT, "http://purl.org/dc/terms/");

		prefixes.put(FOAF, "http://xmlns.com/foaf/0.1/");

	}

	@Override

	public String getNamespaceURI(String prefix) {

		String ns = prefixes.get(prefix);

		return (ns != null) ? ns : XMLConstants.NULL_NS_URI;

	}

	@Override

	public String getPrefix(String namespaceURI) {

		throw new UnsupportedOperationException();

	}

	@Override

	public Iterator getPrefixes(String namespaceURI) {

		throw new UnsupportedOperationException();

	}

}