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.builders;
  
  import javax.xml.namespace.QName;
  
  import org.w3c.dom.Element;
  
  import org.apache.cxf.helpers.DOMUtils;
  import org.apache.cxf.ws.policy.PolicyConstants;
  import org.apache.cxf.ws.security.policy.SP12Constants;
  import org.apache.cxf.ws.security.policy.model.Trust13;
  import org.apache.neethi.Assertion;
  import org.apache.neethi.AssertionBuilderFactory;
  import org.apache.neethi.builders.AssertionBuilder;
  
  
  public class Trust13Builder implements AssertionBuilder<Element> {
  
      public Assertion build(Element element, AssertionBuilderFactory factory) {
          element = PolicyConstants.findPolicyElement(element);
  
          if (element == null) {
              throw new IllegalArgumentException(
                      "Trust13 assertion doesn't contain any Policy");
          }
  
          Trust13 trust13 = new Trust13(SP12Constants.INSTANCE);
  
          if (DOMUtils
                  .getFirstChildWithName(element, SP12Constants.MUST_SUPPORT_CLIENT_CHALLENGE) != null) {
              trust13.setMustSupportClientChallenge(true);
          }
  
          if (DOMUtils
                  .getFirstChildWithName(element, SP12Constants.MUST_SUPPORT_SERVER_CHALLENGE) != null) {
              trust13.setMustSupportServerChallenge(true);
          }
  
          if (DOMUtils.getFirstChildWithName(element, SP12Constants.REQUIRE_CLIENT_ENTROPY) != null) {
              trust13.setRequireClientEntropy(true);
          }
  
          if (DOMUtils.getFirstChildWithName(element, SP12Constants.REQUIRE_SERVER_ENTROPY) != null) {
              trust13.setRequireServerEntropy(true);
          }
  
          if (DOMUtils.getFirstChildWithName(element, SP12Constants.MUST_SUPPORT_ISSUED_TOKENS) != null) {
              trust13.setMustSupportIssuedTokens(true);
          }
          
          if (DOMUtils.getFirstChildWithName(element,
                                             SP12Constants.REQUIRE_REQUEST_SECURITY_TOKEN_COLLECTION) != null) {
              trust13.setRequireRequestSecurityTokenCollection(true);
          }
          
          if (DOMUtils.getFirstChildWithName(element, SP12Constants.REQUIRE_APPLIES_TO) != null) {
              trust13.setRequireAppliesTo(true);
          }
  
          return trust13;
      }
      public QName[] getKnownElements() {
          return new QName[] {SP12Constants.TRUST_13};
      }
  }
  