X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=crawler%2Fbasic%2Fsrc%2Forg%2Fwamblee%2Fcrawler%2Fimpl%2FApp.java;h=6246453abba66ce5e4cf570cca4aa6b995dc1933;hb=8bdf7301b21a7824933fac2b75caf410b7dd5923;hp=75fd3b09fa675e973cd64dc6c8f147246882e197;hpb=30671b398473b876e5c42d063f0c8e169ad3163c;p=utils

diff --git a/crawler/basic/src/org/wamblee/crawler/impl/App.java b/crawler/basic/src/org/wamblee/crawler/impl/App.java
index 75fd3b09..6246453a 100644
--- a/crawler/basic/src/org/wamblee/crawler/impl/App.java
+++ b/crawler/basic/src/org/wamblee/crawler/impl/App.java
@@ -7,11 +7,14 @@ import java.io.InputStream;
 import java.io.PrintStream;
 
 import org.apache.commons.httpclient.HttpClient;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.dom4j.Element;
 import org.wamblee.crawler.Action;
 import org.wamblee.crawler.Configuration;
 import org.wamblee.crawler.Crawler;
 import org.wamblee.crawler.Page;
+import org.wamblee.crawler.PageException;
 
 /*
  * Copyright 2005 the original author or authors.
@@ -32,14 +35,30 @@ import org.wamblee.crawler.Page;
 /**
  * Entry point for the crawler.
  */
-public class App {
+public final class App {
+    
+    /**
+     * Disabled constructor.
+     *
+     */
+    private App() { 
+        // Empty
+    }
+
+    private static final Log LOG = LogFactory.getLog(App.class);
 
     private static final String LOG_FILE = "crawler.log";
 
-    public static void main(String[] args) throws Exception {
-        String configFileName = args[0];
-        String starturl = args[1];
- 
+    /**
+     * Runs a test program. 
+     * @param aArgs Arguments. First argument is the crawler config file name and second argument is
+     *      the start url. 
+     * @throws Exception In case of problems. 
+     */
+    public static void main(String[] aArgs) throws Exception {
+        String configFileName = aArgs[0];
+        String starturl = aArgs[1];
+
         FileOutputStream fos = new FileOutputStream(new File(LOG_FILE));
         PrintStream os = new PrintStream(fos);
 
@@ -51,7 +70,7 @@ public class App {
 
             HttpClient client = new HttpClient();
             // client.getHostConfiguration().setProxy("localhost", 3128);
-            
+
             Crawler crawler = new CrawlerImpl(client, config);
 
             System.out.println("Retrieving: " + starturl);
@@ -79,27 +98,28 @@ public class App {
      */
     private static void showPage(Page aPage) {
         Action[] links = aPage.getActions();
-        for (Action link: links) { 
+        for (Action link : links) {
             System.out.println("Link found '" + link.getName() + "'");
         }
-        Element element = aPage.getContent(); 
+        Element element = aPage.getContent();
         System.out.println("Retrieved content: " + element.asXML());
     }
-    
-    private static void recordInterestingShows(Page page) { 
+
+    private static void recordInterestingShows(Page page) throws PageException {
         Action[] channels = page.getActions();
-        for (Action channel: channels) { 
-            examineChannel(channel.getName(), channel.execute().getAction("right-now").execute());
+        for (Action channel : channels) {
+            examineChannel(channel.getName(), channel.execute().getAction(
+                    "right-now").execute());
         }
     }
-    
-    private static void examineChannel(String aChannel, Page aPage) { 
-        Action[] programs = aPage.getActions(); 
-        for (Action program: programs) { 
+
+    private static void examineChannel(String aChannel, Page aPage) throws PageException {
+        Action[] programs = aPage.getActions();
+        for (Action program : programs) {
             System.out.println(aChannel + " - " + program.getName());
-            if ( program.getName().toLowerCase().matches(".*babe.*")) { 
+            if (program.getName().toLowerCase().matches(".*babe.*")) {
                 Page programPage = program.execute();
-                Action record = programPage.getAction("record"); 
+                Action record = programPage.getAction("record");
                 System.out.println("Recording possible: " + record != null);
             }
         }