X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=crawler%2Fkiss%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fcrawler%2Fkiss%2Fmain%2FProgramFilter.java;fp=crawler%2Fkiss%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fcrawler%2Fkiss%2Fmain%2FProgramFilter.java;h=e8633401222faa21e6478ae4b1ec295d2778d9c8;hb=62f165891f08ae532b5a794af11d7338a93f9a43;hp=0000000000000000000000000000000000000000;hpb=07cedd3f0730646ea35a7f668b3e1e872a4605d9;p=utils

diff --git a/crawler/kiss/src/main/java/org/wamblee/crawler/kiss/main/ProgramFilter.java b/crawler/kiss/src/main/java/org/wamblee/crawler/kiss/main/ProgramFilter.java
new file mode 100644
index 00000000..e8633401
--- /dev/null
+++ b/crawler/kiss/src/main/java/org/wamblee/crawler/kiss/main/ProgramFilter.java
@@ -0,0 +1,64 @@
+/*
+ * 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();
+    }
+}