2 * Copyright 2005 the original author or authors.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package org.wamblee.crawler.kiss;
19 import java.util.ArrayList;
20 import java.util.List;
22 import org.wamblee.conditions.Condition;
25 * Visitor which determines the interesting programs in the TV guide.
27 public class MatchVisitor extends AbstractVisitor {
30 * Criterion that determines which programs are interesting.
32 private Condition<Program> _matcher;
35 * List of interesting programs.
37 private List<Program> _programs;
40 * Constructs the visitor.
41 * @param aMatcher Condition describing interesting programs.
43 public MatchVisitor(Condition<Program> aMatcher) {
45 _programs = new ArrayList<Program>();
51 * @see org.wamblee.crawler.kiss.Visitor#visitProgram(org.wamblee.crawler.kiss.Program)
53 public void visitProgram(Program aProgram) {
54 if (_matcher.matches(aProgram)) {
55 _programs.add(aProgram);
60 * Gets the list of interesting programs. To be called after applying
61 * the visitor on a tv guide.
62 * @return List of interesting programs.
64 public List<Program> getMatches() {