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;
018
019 import java.io.FileInputStream;
020
021 import org.jdom.Element;
022
023 /**
024 * This FeedParser implementation is based on JDOM and Jaxen and is based around
025 * XPath and JDOM iteration. While the implementation is straight forward it
026 * has not been optimized for performance. A SAX based parser would certainly
027 * be less memory intensive but with the downside of being harder to develop.
028 *
029 * @author <a href="mailto:burton@apache.org">Kevin A. Burton (burtonator)</a>
030 * @version $Id: Test.java 373614 2006-01-30 22:31:21Z mvdb $
031 */
032 public class Test extends DefaultFeedParserListener
033 implements FeedParserListener,
034 ModContentFeedParserListener,
035 XHTMLFeedParserListener {
036
037 // **** FeedParserListener interface ****************************************
038
039 /**
040 * Called prior to event parsing to signal the parsing of a new feed.
041 *
042 *
043 */
044 public void init() {
045 System.out.println( "init()" );
046 }
047
048 public void setContext( Object context ) {}
049
050 /**
051 * Called when a channel item is found.
052 *
053 *
054 */
055 public void onChannel( FeedParserState state,
056 String title,
057 String link,
058 String description ) {
059
060 System.out.println( "onChannel: " );
061 System.out.println( "\t title: " + title );
062 System.out.println( "\t link: " + link );
063 System.out.println( "\t description: " + description );
064
065 }
066 public void onChannelEnd() {
067 System.out.println( "onChannelEnd()" );
068 }
069
070 /**
071 * Called when an RSS image is found.
072 *
073 *
074 */
075 public void onImage( FeedParserState state,
076 String title,
077 String link,
078 String url ) {
079
080 System.out.println( "onImage: " );
081 System.out.println( "\t title: " + title );
082 System.out.println( "\t link: " + link );
083 System.out.println( "\t url: " + url );
084
085 }
086
087 public void onImageEnd() {
088 System.out.println( "onImageEnd()" );
089 }
090
091 /**
092 * Called when an RSS item or Atom entry is found.
093 *
094 *
095 */
096 public void onItem( FeedParserState state,
097 String title,
098 String link,
099 String description,
100 String permalink ) {
101
102 System.out.println( "onItem: " );
103 System.out.println( "\t title: " + title );
104 System.out.println( "\t link: " + link );
105 System.out.println( "\t description: " + description );
106
107 }
108
109 public void onItemEnd() {
110
111 System.out.println( "onItemEnd()" );
112
113 }
114
115 public void finished() {
116 System.out.println( "finished()" );
117 }
118
119 // **** ModContentFeedParserListener interface ******************************
120
121 public void onContentEncoded( FeedParserState state,
122 String value ) {
123
124 System.out.println( "onContentEncoded: " + value.length() + " bytes" );
125
126 }
127
128 public void onContentEncodedEnd() {
129 System.out.println( "onContentEncodedEnd" );
130 }
131
132 public void onContentItem( FeedParserState state,
133 String format,
134 String encoding,
135 Element value ) {
136
137 System.out.println( "onContentItem" );
138
139 }
140
141 public void onContentItemEnd() {
142 System.out.println( "onContentItemEnd" );
143 }
144
145 // **** XHTMLBodyFeedParserListener interface *******************************
146
147 public void onXHTMLBody( FeedParserState state, Element value ) {
148 System.out.println( "onXHTMLBody" );
149 }
150
151 public void onXHTMLBodyEnd() {
152 System.out.println( "onXHTMLBodyEnd" );
153 }
154
155 public static void main( String[] args ) {
156
157 try {
158
159 FeedParser parser = FeedParserFactory.newFeedParser();
160
161 //String path = "/home/burton/.records/rss/index.rss";
162 //String path = "/projects/newsmonster/xml-tests/aaronsw.xml";
163 //String path = "/projects/newsmonster/xml-tests/intertwingly.rss2";
164
165 String path = "/projects/newsmonster/xml-tests/feedster.xml";
166
167 parser.parse( new Test(), new FileInputStream( path ), path );
168
169 } catch ( Throwable t ) {
170
171 t.printStackTrace();
172
173 }
174
175 }
176
177 }
178