/*

  * Copyright 1999,2004 The Apache Software Foundation.

  * 

  * 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

  * 

  *      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.commons.feedparser.network;

 import java.io.IOException;

 import java.net.URL;

 import java.net.URLConnection;

 import org.apache.log4j.Logger;

 /**

  * 

  * @author <a href="mailto:burton@openprivacy.org">Kevin A. Burton</a>

  * @version $Id: NetworkException.java 373622 2006-01-30 22:53:00Z mvdb $

  */

 public class NetworkException extends IOException {

     private static Logger log = Logger.getLogger( NetworkException.class );

     private ResourceRequest request = null;

     public Exception e = null;

     private URL _url = null;

     private URLConnection _urlConnection = null;

     private int responseCode = -1;

     /**

      * 

      * Create a new <code>NetworkException</code> instance.

      *

      * 

      */

     public NetworkException( String message ) {

         super( message );

     }

     public NetworkException( Throwable t) {

         super( t.getMessage() );

     }

     /**

      * 

      * Create a new <code>NetworkException</code> instance.

      *

      * 

      */

     public NetworkException( String message,

                              Exception e,

                              ResourceRequest request,

                              URL _url,

                              URLConnection _urlConnection ) {

         super( message ); //why doesn't java.io.IOException support nesting?

         this.e = e;

         this.request = request;

         this._url = _url;

         this._urlConnection = _urlConnection;

         initCause( e );

     }

     /**

      * 

      * Create a new <code>NetworkException</code> instance.

      *

      * 

      */

     public NetworkException( Exception e,

                              ResourceRequest request,

                              URL _url,

                              URLConnection _urlConnection ) {

         super( e.getMessage() ); //why doesn't java.io.IOException support nesting?

         this.e = e;

         this.request = request;

         this._url = _url;

         this._urlConnection = _urlConnection;

         initCause( e );

     }

     public ResourceRequest getResourceRequest() {

         return request;

     }

     public URL getURL() {

         return _url;

     }

     public URLConnection getURLConnection() {

         return _urlConnection;

     }

     public Exception getException() {

         return e;

     }

     public int getResponseCode() {

         //FIXME: 

         //        java.lang.NumberFormatException: For input string: "fie"

         //         at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)

         //         at java.lang.Integer.parseInt(Integer.java:468)

         //         at java.lang.Integer.parseInt(Integer.java:518)

         //         at org.peerfear.newsmonster.network.NetworkException.getResponseCode(NetworkException.java:142)

         //         at ksa.robot.FeedTask._doTaskLogFailure(FeedTask.java:264)

         //         at ksa.robot.FeedTask.run(FeedTask.java:202)

         //         at ksa.robot.TaskThread.doProcessTask(TaskThread.java:298)

         //         at ksa.robot.TaskThread.run(TaskThread.java:111)

         if ( _urlConnection == null ) {

             return -1;

         } 

         if ( responseCode == -1 ) {

             //parse the exception

             String status = (String)_urlConnection.getHeaderField( null );

             if ( status == null ) {

                 return -1;

             } 

             int begin = "HTTP/1.1 ".length();

             int offset = "200".length();

             int end = begin + offset;

             try {

                 responseCode = Integer.parseInt( status.substring( begin, end ) );

             } catch ( NumberFormatException e ) {

                 log.warn( "Unable to parse response code in header: " + status );

                 return -1;

             }

         } 

         return responseCode;

     }

 }