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 java.util.ArrayList;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  
  import javax.xml.namespace.QName;
  import javax.xml.stream.XMLStreamException;
  import javax.xml.stream.XMLStreamWriter;
  
  import org.apache.cxf.ws.security.policy.SP12Constants;
  import org.apache.cxf.ws.security.policy.SPConstants;
  import org.apache.neethi.PolicyComponent;
  
  public class SignedEncryptedElements extends AbstractSecurityAssertion {
  
      private List<String> xPathExpressions = new ArrayList<String>();
  
      private Map<String, String> declaredNamespaces = new HashMap<String, String>();
  
      private String xPathVersion;
  
      /**
       * Just a flag to identify whether this holds sign element info or encr elements info
       */
      private boolean signedElements;
  
      public SignedEncryptedElements(boolean signedElements, SPConstants version) {
          super(version);
          this.signedElements = signedElements;
      }
  
      /**
       * @return Returns the xPathExpressions.
       */
      public List<String> getXPathExpressions() {
          return xPathExpressions;
      }
  
      public void addXPathExpression(String expr) {
          this.xPathExpressions.add(expr);
      }
  
      /**
       * @return Returns the xPathVersion.
       */
      public String getXPathVersion() {
          return xPathVersion;
      }
  
      /**
       * @param pathVersion The xPathVersion to set.
       */
      public void setXPathVersion(String pathVersion) {
          xPathVersion = pathVersion;
      }
  
      /**
       * @return Returns the signedElements.
       */
      @Deprecated
      public boolean isSignedElemets() {
          return signedElements;
      }
      
      /**
       * @return Returns the signedElements.
       */
      public boolean isSignedElements() {
          return signedElements;
      }
  
      public Map<String, String> getDeclaredNamespaces() {
          return declaredNamespaces;
      }
  
      public void addDeclaredNamespaces(String uri, String prefix) {
          declaredNamespaces.put(prefix, uri);
      }
  
      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:SignedElements> | <sp:EncryptedElements>
          writer.writeStartElement(prefix, localName, namespaceURI);
  
          // xmlns:sp=".."
          writer.writeNamespace(prefix, namespaceURI);
  
          if (xPathVersion != null) {
              writer.writeAttribute(prefix, namespaceURI, SPConstants.XPATH_VERSION, xPathVersion);
          }
  
          String xpathExpression;
  
          for (Iterator<String> iterator = xPathExpressions.iterator(); iterator.hasNext();) {
              xpathExpression = iterator.next();
              // <sp:XPath ..>
              writer.writeStartElement(prefix, SPConstants.XPATH_EXPR, namespaceURI);
              writer.writeCharacters(xpathExpression);
              writer.writeEndElement();
          }
  
          // </sp:SignedElements> | </sp:EncryptedElements>
          writer.writeEndElement();
      }
  
      public QName getRealName() {
          if (signedElements) {
              return constants.getSignedElements();
          }
          return constants.getEncryptedElements();
      }
      public QName getName() {
          if (signedElements) {
              return SP12Constants.INSTANCE.getSignedElements();
          }
          return SP12Constants.INSTANCE.getEncryptedElements();
      }
  
      public PolicyComponent normalize() {
          return this;
      }
  }
  