--- /dev/null
+/*
+ * Copyright 2005 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.wamblee.crawler.kiss.main;
+
+import java.util.List;
+
+import org.wamblee.conditions.Condition;
+import org.wamblee.crawler.kiss.guide.MatchVisitor;
+import org.wamblee.crawler.kiss.guide.Program;
+import org.wamblee.crawler.kiss.guide.TVGuide;
+
+/**
+ * Obtains a list of interesting programs from a TV guide and decides what to do
+ * with them.
+ */
+public class ProgramFilter {
+
+ private Condition<Program> _condition;
+
+ private ProgramAction _action;
+
+ /**
+ * Constructs the program filter.
+ * @param aCondition Condition used to find interesting programs.
+ * @param aAction Corresponding action to execute for matching programs.
+ */
+ public ProgramFilter(Condition<Program> aCondition, ProgramAction aAction) {
+ _condition = aCondition;
+ _action = aAction;
+ }
+
+ /**
+ * Gets the action.
+ * @return Action.
+ */
+ public ProgramAction getAction() {
+ return _action;
+ }
+
+ /**
+ * Applies the filter to a TV guide.
+ * @param aGuide TV guide.
+ * @return List of matching programs.
+ */
+ public List<Program> apply(TVGuide aGuide) {
+ MatchVisitor matcher = new MatchVisitor(_condition);
+ aGuide.accept(matcher);
+ return matcher.getMatches();
+ }
+}