/*
* JBoss, Home of Professional Open Source
*
* Copyright 2013 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.picketlink.identity.federation.core.util;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/**
* Helper class in process of parsing signature out of SAML token.
* usage example:
* <code>
* xpath.setNamespaceContext(
* NamespaceContext.create()
* .addNsUriPair(xmlSignatureNSPrefix, JBossSAMLURIConstants.XMLDSIG_NSURI.get())
* );
* </code>
*
* @author Peter Skopek: pskopek at redhat dot com
*/
public class NamespaceContext implements javax.xml.namespace.NamespaceContext {
private Map<String, String> nsMap = new HashMap<String, String>();
public NamespaceContext() {
}
public NamespaceContext(String prefix, String uri) {
nsMap.put(prefix, uri);
}
/*
* (non-Javadoc)
*
* @see
* javax.xml.namespace.NamespaceContext#getNamespaceURI(java.lang.String)
*/
public String getNamespaceURI(String prefix) {
return nsMap.get(prefix);
}
/*
* (non-Javadoc)
*
* @see javax.xml.namespace.NamespaceContext#getPrefix(java.lang.String)
*/
public String getPrefix(String namespaceURI) {
for (String key : nsMap.keySet()) {
String value = nsMap.get(key);
if (value.equals(namespaceURI)) {
return key;
}
}
return null;
}
/*
* (non-Javadoc)
*
* @see javax.xml.namespace.NamespaceContext#getPrefixes(java.lang.String)
*/
public Iterator<String> getPrefixes(String namespaceURI) {
return nsMap.keySet().iterator();
}
public NamespaceContext addNsUriPair(String ns, String uri) {
nsMap.put(ns, uri);
return this;
}
/**
* Create new NamespaceContext for use.
*
* @return
*/
public static NamespaceContext create() {
return new NamespaceContext();
}
}