/*
    * Copyright (c) 2002-2025 Gargoyle Software Inc.
    *
    * Licensed 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
    * https://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.htmlunit.html;
  
  import java.io.PrintWriter;
  
  import org.htmlunit.SgmlPage;
  import org.w3c.dom.DOMException;
  import org.w3c.dom.ProcessingInstruction;
  
  /**
   * Wrapper for the DOM node ProcessingInstruction.
   *
   * @author Ahmed Ashour
   * @author Ronald Brill
   */
  public class DomProcessingInstruction extends DomNode implements ProcessingInstruction {
  
      private final String target_;
      private String data_;
  
      /**
       * Creates a new instance.
       *
       * @param page the Page that contains this element
       * @param target the target
       * @param data the data
       */
      public DomProcessingInstruction(final SgmlPage page, final String target, final String data) {
          super(page);
          target_ = target;
          setData(data);
      }
  
      /**
       * {@inheritDoc}
       * @return the node type constant, in this case {@link org.w3c.dom.Node#PROCESSING_INSTRUCTION_NODE}
       */
      @Override
      public short getNodeType() {
          return org.w3c.dom.Node.PROCESSING_INSTRUCTION_NODE;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public String getNodeName() {
          return target_;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public String getTarget() {
          return getNodeName();
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public String getData() {
          return getNodeValue();
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void setData(final String data) throws DOMException {
          setNodeValue(data);
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void setNodeValue(final String value) {
          data_ = value;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
     public String getNodeValue() {
         return data_;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void setTextContent(final String textContent) {
         setNodeValue(textContent);
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     protected boolean printXml(final String indent, final boolean tagBefore, final PrintWriter printWriter) {
         printWriter.print("<?");
         printWriter.print(getTarget());
         printWriter.print(" ");
         printWriter.print(getData());
         printWriter.print("?>");
         return true;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void setPrefix(final String prefix) {
         // Empty.
     }
 }