/**
    * 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.wss4j.dom;
  
  /**
   * WSDataRef stores information about decrypted/signed elements
   *
   * When a processor decrypts/verifies an element it stores information
   * about that element in a WSDataRef so this information can
   * be used for validation.
   */
  
  import java.util.List;
  
  import javax.xml.namespace.QName;
  import org.w3c.dom.Element;
  
  public class WSDataRef {
  
      /**
       * wsu:Id of the protected element
       */
      private String wsuId;
  
      /**
       * QName of the protected element
       */
      private QName name;
  
      /**
       * An xpath expression pointing to the data element
       */
      private String xpath;
  
      /**
       * Algorithm used to encrypt/sign the element
       */
      private String algorithm;
  
      /**
       * A list of algorithms used to transform the element before digest
       */
      private List<String> transformAlgorithms;
  
      /**
       * If this reference represents signed content, this field
       * represents the digest algorithm applied to the content.
       */
      private String digestAlgorithm;
  
      /**
       * If this reference represents signed content, this field
       * represents the digest bytes obtained after applying the digestAlgorithm
       */
      private byte[] digestValue;
  
      private boolean content;
  
      /**
       * The protected DOM element
       */
      private Element protectedElement;
  
      /**
       * Whether the protected Reference is an Attachment or not
       */
      private boolean attachment;
  
      /**
       * If this reference represents encrypted content, then this is the EncryptedData Element
       */
      private Element encryptedElement;
  
      /**
       * @return Id of the protected element
       */
      public String getWsuId() {
          return wsuId;
      }
  
      /**
       * @param wsuId Id of the protected element
      */
     public void setWsuId(String wsuId) {
         this.wsuId = wsuId;
     }
 
     /**
      * @return QName of the protected element
      */
     public QName getName() {
         return name;
     }
 
     /**
      * @param name QName of the protected element
      */
     public void setName(QName name) {
         this.name = name;
     }
 
     /**
      * @param element The protected DOM element to set
      */
     public void setProtectedElement(Element element) {
         protectedElement = element;
         String prefix = element.getPrefix();
         if (prefix == null) {
             name =
                 new QName(
                     element.getNamespaceURI(), element.getLocalName()
                 );
         } else {
             name =
                 new QName(
                     element.getNamespaceURI(), element.getLocalName(), prefix
                 );
         }
     }
 
     /**
      * @return the protected DOM element
      */
     public Element getProtectedElement() {
         return protectedElement;
     }
 
     /**
      * @return the xpath
      */
     public String getXpath() {
         return xpath;
     }
 
     /**
      * @param xpath the xpath to set
      */
     public void setXpath(String xpath) {
         this.xpath = xpath;
     }
 
     /**
      * @return the content
      */
     public boolean isContent() {
         return content;
     }
 
     /**
      * @param content the content to set
      */
     public void setContent(boolean content) {
         this.content = content;
     }
 
     /**
      * @return the algorithm used for encryption/signature
      */
     public String getAlgorithm() {
         return algorithm;
     }
 
     /**
      * @param algo algorithm used for encryption
      */
     public void setAlgorithm(String algo) {
         algorithm = algo;
     }
 
     /**
      * @return if this reference represents signed content,
      * the digest algorithm applied to the content.
      */
     public String getDigestAlgorithm() {
         return this.digestAlgorithm;
     }
 
     /**
      * @param digestAlgorithm if this reference represents
      * signed content, the digest algorithm applied to the content.
      */
     public void setDigestAlgorithm(String digestAlgorithm) {
         this.digestAlgorithm = digestAlgorithm;
     }
 
     /**
      * Set the Transform algorithm URIs used to transform the element before digest
      */
     public void setTransformAlgorithms(List<String> transformAlgorithms) {
         this.transformAlgorithms = transformAlgorithms;
     }
 
     /**
      * Get the Transform algorithm URIs used to transform the element before digest
      */
     public List<String> getTransformAlgorithms() {
         return transformAlgorithms;
     }
 
     public boolean isAttachment() {
         return attachment;
     }
 
     public void setAttachment(boolean attachment) {
         this.attachment = attachment;
     }
 
     public byte[] getDigestValue() {
         return digestValue;
     }
 
     public void setDigestValue(byte[] digestValue) {
         this.digestValue = digestValue;
     }
 
     public Element getEncryptedElement() {
         return encryptedElement;
     }
 
     public void setEncryptedElement(Element encryptedElement) {
         this.encryptedElement = encryptedElement;
     }
 }