1 /* 2 * Copyright 1999,2004 The Apache Software Foundation. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.apache.commons.feedparser; 18 19 20 /** 21 * 22 * @author <a href="mailto:burton@apache.org">Kevin A. Burton (burtonator)</a> 23 * @version $Id: FeedParserListener.java 373614 2006-01-30 22:31:21Z mvdb $ 24 */ 25 public interface FeedParserListener extends FeedLifecycleListener { 26 27 /** 28 * Called when a channel item is found. 29 * 30 * 31 */ 32 public void onChannel( FeedParserState state, 33 String title, 34 String link, 35 String description ) throws FeedParserException; 36 37 public void onChannelEnd() throws FeedParserException; 38 39 /** 40 * Called when an RSS image is found. 41 * 42 * 43 */ 44 public void onImage( FeedParserState state, 45 String title, 46 String link, 47 String url ) throws FeedParserException; 48 49 public void onImageEnd() throws FeedParserException; 50 51 /** 52 * Called when an RSS item or Atom entry is found. 53 * 54 * 55 */ 56 public void onItem( FeedParserState state, 57 String title, 58 String link, 59 String description, 60 String permalink ) throws FeedParserException; 61 62 public void onItemEnd() throws FeedParserException; 63 64 /** 65 * Called when we are first able to determine the feed version for this 66 * feed. Ideally implementations should call this BEFORE onChannel but 67 * depending on the parser infrastructure this might not be possible. 68 * 69 * Should be called before init() 70 * 71 * 72 */ 73 public void onFeedVersion( FeedVersion version ) throws FeedParserException; 74 75 } 76