001 /*
002 * Copyright 1999,2004 The Apache Software Foundation.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017 package org.apache.commons.feedparser.network;
018
019 import java.io.IOException;
020 import java.net.URL;
021 import java.net.URLConnection;
022
023 import org.apache.log4j.Logger;
024
025 /**
026 *
027 * @author <a href="mailto:burton@openprivacy.org">Kevin A. Burton</a>
028 * @version $Id: NetworkException.java 373622 2006-01-30 22:53:00Z mvdb $
029 */
030 public class NetworkException extends IOException {
031
032 private static Logger log = Logger.getLogger( NetworkException.class );
033
034 private ResourceRequest request = null;
035
036 public Exception e = null;
037
038 private URL _url = null;
039
040 private URLConnection _urlConnection = null;
041
042 private int responseCode = -1;
043
044 /**
045 *
046 * Create a new <code>NetworkException</code> instance.
047 *
048 *
049 */
050 public NetworkException( String message ) {
051 super( message );
052 }
053
054 public NetworkException( Throwable t) {
055 super( t.getMessage() );
056 }
057
058 /**
059 *
060 * Create a new <code>NetworkException</code> instance.
061 *
062 *
063 */
064 public NetworkException( String message,
065 Exception e,
066 ResourceRequest request,
067 URL _url,
068 URLConnection _urlConnection ) {
069
070 super( message ); //why doesn't java.io.IOException support nesting?
071 this.e = e;
072 this.request = request;
073 this._url = _url;
074 this._urlConnection = _urlConnection;
075 initCause( e );
076
077 }
078
079 /**
080 *
081 * Create a new <code>NetworkException</code> instance.
082 *
083 *
084 */
085 public NetworkException( Exception e,
086 ResourceRequest request,
087 URL _url,
088 URLConnection _urlConnection ) {
089
090 super( e.getMessage() ); //why doesn't java.io.IOException support nesting?
091 this.e = e;
092 this.request = request;
093 this._url = _url;
094 this._urlConnection = _urlConnection;
095 initCause( e );
096
097 }
098
099 public ResourceRequest getResourceRequest() {
100 return request;
101 }
102
103 public URL getURL() {
104 return _url;
105 }
106
107 public URLConnection getURLConnection() {
108 return _urlConnection;
109 }
110
111 public Exception getException() {
112 return e;
113 }
114
115 public int getResponseCode() {
116
117 //FIXME:
118 // java.lang.NumberFormatException: For input string: "fie"
119 // at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
120 // at java.lang.Integer.parseInt(Integer.java:468)
121 // at java.lang.Integer.parseInt(Integer.java:518)
122 // at org.peerfear.newsmonster.network.NetworkException.getResponseCode(NetworkException.java:142)
123 // at ksa.robot.FeedTask._doTaskLogFailure(FeedTask.java:264)
124 // at ksa.robot.FeedTask.run(FeedTask.java:202)
125 // at ksa.robot.TaskThread.doProcessTask(TaskThread.java:298)
126 // at ksa.robot.TaskThread.run(TaskThread.java:111)
127
128 if ( _urlConnection == null ) {
129 return -1;
130 }
131
132 if ( responseCode == -1 ) {
133
134 //parse the exception
135 String status = (String)_urlConnection.getHeaderField( null );
136
137 if ( status == null ) {
138 return -1;
139 }
140
141 int begin = "HTTP/1.1 ".length();
142 int offset = "200".length();
143 int end = begin + offset;
144
145 try {
146
147 responseCode = Integer.parseInt( status.substring( begin, end ) );
148
149 } catch ( NumberFormatException e ) {
150
151 log.warn( "Unable to parse response code in header: " + status );
152 return -1;
153
154 }
155
156 }
157
158 return responseCode;
159
160 }
161
162 }