teichmann@5957: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
bh@5938:  * Software engineering by Intevation GmbH
bh@5938:  *
bh@5938:  * This file is Free Software under the GNU AGPL (>=v3)
bh@5938:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
bh@5938:  * documentation coming with Dive4Elements River for details.
bh@5938:  */
bh@5938: 
bh@5938: package org.dive4elements.river.client.server.auth.saml;
bh@5938: 
bh@5938: import java.util.Iterator;
bh@5938: 
bh@5938: import javax.xml.XMLConstants;
bh@5938: import javax.xml.namespace.NamespaceContext;
bh@5938: 
bh@5938: 
bh@5938: /**
bh@5938:  * The namespace context for SAML documents.
bh@5938:  */
bh@5938: public class SamlNamespaceContext implements NamespaceContext
bh@5938: {
bh@5938:     /**
bh@5938:      * The URI of the namespace of SAML assertions.
bh@5938:      */
bh@5938:     public static final String SAML_NS_ASSERT =
bh@5938:         "urn:oasis:names:tc:SAML:1.0:assertion";
bh@5938: 
bh@5938:     /**
bh@5938:      * The URI of the namespace of the SAML protocol.
bh@5938:      */
bh@5938:     public static final String SAML_NS_PROTO =
bh@5938:         "urn:oasis:names:tc:SAML:1.0:protocol";
bh@5938: 
bh@5938:     /**
bh@5938:      * The URI of the namespace for XML signatures.
bh@5938:      */
bh@5938:     public static final String XML_SIG_NS =
bh@5938:         "http://www.w3.org/2000/09/xmldsig#";
bh@5938: 
bh@5938:     /**
bh@5938:      * Final instance to be easily used to avoid creation
bh@5938:      * of instances.
bh@5938:      */
bh@5938:     public static final SamlNamespaceContext INSTANCE =
bh@5938:         new SamlNamespaceContext();
bh@5938: 
bh@5938: 
bh@5938:     /**
bh@5938:      * The default constructor.
bh@5938:      */
bh@5938:     public SamlNamespaceContext() {
bh@5938:     }
bh@5938: 
bh@5938: 
bh@5938:     /**
bh@5938:      * @see javax.xml.namespace.NamespaceContext#getNamespaceURI(String)
bh@5938:      * @param prefix The prefix
bh@5938:      * @return The corresponing URI
bh@5938:      */
bh@5938:     public String getNamespaceURI(String prefix) {
bh@5938: 
bh@5938:         if (prefix == null) {
bh@5938:             throw new NullPointerException("Null prefix");
bh@5938:         }
bh@5938: 
bh@5938:         if ("saml".equals(prefix)) {
bh@5938:             return SAML_NS_ASSERT;
bh@5938:         }
bh@5938: 
bh@5938:         if ("samlp".equals(prefix)) {
bh@5938:             return SAML_NS_PROTO;
bh@5938:         }
bh@5938: 
bh@5938:         if ("ds".equals(prefix)) {
bh@5938:             return XML_SIG_NS;
bh@5938:         }
bh@5938: 
bh@5938:         if ("xml".equals(prefix)) {
bh@5938:             return XMLConstants.XML_NS_URI;
bh@5938:         }
bh@5938: 
bh@5938:         return XMLConstants.NULL_NS_URI;
bh@5938:     }
bh@5938: 
bh@5938: 
bh@5938:     /**
bh@5938:      * @see javax.xml.namespace.NamespaceContext#getPrefix(String)
bh@5938:      * @param uri The URI
bh@5938:      * @return nothing.
bh@5938:      * @throws java.lang.UnsupportedOperationException
bh@5938:      */
bh@5938:     public String getPrefix(String uri) {
bh@5938:         throw new UnsupportedOperationException();
bh@5938:     }
bh@5938: 
bh@5938: 
bh@5938:     /**
bh@5938:      * @see javax.xml.namespace.NamespaceContext#getPrefixes(java.lang.String)
bh@5938:      * @param uri The URI
bh@5938:      * @return nothing
bh@5938:      * @throws java.lang.UnsupportedOperationException
bh@5938:      */
bh@5938:     public Iterator getPrefixes(String uri) {
bh@5938:         throw new UnsupportedOperationException();
bh@5938:     }
bh@5938: }