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.model;
  
  import javax.xml.namespace.QName;
  import javax.xml.stream.XMLStreamException;
  import javax.xml.stream.XMLStreamWriter;
  
  import org.apache.cxf.ws.policy.PolicyBuilder;
  import org.apache.cxf.ws.policy.builder.primitive.PrimitiveAssertion;
  import org.apache.cxf.ws.security.policy.SP12Constants;
  import org.apache.cxf.ws.security.policy.SPConstants;
  import org.apache.neethi.All;
  import org.apache.neethi.ExactlyOne;
  import org.apache.neethi.Policy;
  import org.apache.neethi.PolicyComponent;
  
  public class TransportBinding extends Binding {
  
      private TransportToken transportToken;
  
      public TransportBinding(SPConstants version, PolicyBuilder b) {
          super(version, b);
      }
  
      /**
       * @return Returns the transportToken.
       */
      public TransportToken getTransportToken() {
          return transportToken;
      }
  
      /**
       * @param transportToken The transportToken to set.
       */
      public void setTransportToken(TransportToken transportToken) {
          this.transportToken = transportToken;
      }
  
      public QName getRealName() {
          return constants.getTransportBinding();
      }
      public QName getName() {
          return SP12Constants.INSTANCE.getTransportBinding();
      }
  
  
      public void serialize(XMLStreamWriter writer) throws XMLStreamException {
          String localName = getRealName().getLocalPart();
          String namespaceURI = getRealName().getNamespaceURI();
  
          String prefix = writer.getPrefix(namespaceURI);
  
          if (prefix == null) {
              prefix = getRealName().getPrefix();
              writer.setPrefix(prefix, namespaceURI);
          }
  
          // <sp:TransportBinding>
          writer.writeStartElement(prefix, localName, namespaceURI);
          writer.writeNamespace(prefix, namespaceURI);
  
          String pPrefix = writer.getPrefix(SPConstants.POLICY.getNamespaceURI());
          if (pPrefix == null) {
              pPrefix = SPConstants.POLICY.getPrefix();
              writer.setPrefix(pPrefix, SPConstants.POLICY.getNamespaceURI());
          }
  
          // <wsp:Policy>
          writer.writeStartElement(pPrefix, SPConstants.POLICY.getLocalPart(), SPConstants.POLICY
              .getNamespaceURI());
  
          if (transportToken == null) {
              // TODO more meaningful exception
              throw new RuntimeException("no TransportToken found");
          }
  
          // <sp:TransportToken>
          transportToken.serialize(writer);
          // </sp:TransportToken>
  
          AlgorithmSuite algorithmSuite = getAlgorithmSuite();
          if (algorithmSuite == null) {
              throw new RuntimeException("no AlgorithmSuite found");
          }
  
          // <sp:AlgorithmSuite>
          algorithmSuite.serialize(writer);
          // </sp:AlgorithmSuite>
  
          Layout layout = getLayout();
          if (layout != null) {
              // <sp:Layout>
              layout.serialize(writer);
              // </sp:Layout>
          }
  
          if (isIncludeTimestamp()) {
              // <sp:IncludeTimestamp>
              writer.writeStartElement(prefix, SPConstants.INCLUDE_TIMESTAMP, namespaceURI);
              writer.writeEndElement();
              // </sp:IncludeTimestamp>
          }
  
          // </wsp:Policy>
          writer.writeEndElement();
  
          // </sp:TransportBinding>
          writer.writeEndElement();
  
      }
      public PolicyComponent normalize() {
          return this;
      }
      public Policy getPolicy() {
          Policy p = new Policy();
          ExactlyOne ea = new ExactlyOne();
          p.addPolicyComponent(ea);
          All all = new All();
          if (transportToken != null) {
              all.addPolicyComponent(transportToken);
          }
          if (isIncludeTimestamp()) {
              all.addPolicyComponent(new PrimitiveAssertion(SP12Constants.INCLUDE_TIMESTAMP));
          }
          if (getLayout() != null) {
              all.addPolicyComponent(getLayout());
          }
          ea.addPolicyComponent(all);
          Policy pc = p.normalize(builder.getPolicyRegistry(), true);
          if (pc != null) {
              return pc;
          } else {
              return new Policy();
          }
      }
  }
  