HttpException.java

/* 
 * 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.felix.mosgi.jmx.httpconnector.mx4j.tools.adaptor.http;


import java.io.IOException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;


/**
 * HttpException is emitted when an error parsing an HTTP request appears
 *
 * @author <a href="mailto:tibu@users.sourceforge.net">Carlos Quiroz</a>
 * @version $Revision: 1.1.1.1 $
 */

public class HttpException extends IOException
{
  /** Error code */
  protected int code;

  /**
   * Constructor for the HttpException object
   *
   * @param code    Error code
   * @param description  Description
   */

  public HttpException(int code, String description)
  {
    super(description);
    this.code = code;
  }

  /**
   * Return the exception code
   */
  public int getCode()
  {
    return code;
  }

  public Document getResponseDoc() {
    try
    {
      DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
      DocumentBuilder builder = factory.newDocumentBuilder();
      Document document = builder.newDocument();
      Element root = document.createElement("HttpException");
      root.setAttribute("code", Integer.toString(code));
      root.setAttribute("description", getMessage());
      document.appendChild(root);
      return document;
    }
    catch (ParserConfigurationException e)
    {
      return null;
    }
  }
}