code: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements. See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership. The ASF licenses this file
   * to you 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.apache.cxf.ws.security.policy.custom;
  
  import org.w3c.dom.Element;
  
  import org.apache.cxf.helpers.DOMUtils;
  import org.apache.cxf.ws.security.policy.SPConstants;
  import org.apache.cxf.ws.security.policy.model.AlgorithmSuite;
  
  /**
   * This class retrieves the default AlgorithmSuites.
   */
  public class DefaultAlgorithmSuiteLoader implements AlgorithmSuiteLoader {
      
      private static final String CXF_CUSTOM_POLICY_NS = 
           "http://cxf.apache.org/custom/security-policy";
  
      public AlgorithmSuite getAlgorithmSuite(Element policyElement, SPConstants consts) {
          if (policyElement != null) {
              Element algorithm = DOMUtils.getFirstElement(policyElement);
              if (algorithm != null) {
                  AlgorithmSuite algorithmSuite = null;
                  if (CXF_CUSTOM_POLICY_NS.equals(algorithm.getNamespaceURI())) {
                      algorithmSuite = new GCMAlgorithmSuite(consts);
                  } else {
                      algorithmSuite = new AlgorithmSuite(consts);
                  }
                  algorithmSuite.setAlgorithmSuite(algorithm.getLocalName());
                  return algorithmSuite;
              }
          }
          return null;
      }
  
  }
  