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.guide;
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 * @author Erik Brakkee
29 public class MatchVisitor extends AbstractVisitor {
32 * Criterion that determines which programs are interesting.
34 private Condition<Program> _matcher;
37 * List of interesting programs.
39 private List<Program> _programs;
42 * Constructs the visitor.
43 * @param aMatcher Condition describing interesting programs.
45 public MatchVisitor(Condition<Program> aMatcher) {
47 _programs = new ArrayList<Program>();
53 * @see org.wamblee.crawler.kiss.Visitor#visitProgram(org.wamblee.crawler.kiss.Program)
55 public void visitProgram(Program aProgram) {
56 if (_matcher.matches(aProgram)) {
57 _programs.add(aProgram);
62 * Gets the list of interesting programs. To be called after applying
63 * the visitor on a tv guide.
64 * @return List of interesting programs.
66 public List<Program> getMatches() {