X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=crawler%2Fkiss%2Fsrc%2Forg%2Fwamblee%2Fcrawler%2Fkiss%2Fmain%2FKissCrawler.java;h=976d7d15de9382361f0cfe3118c1838d5cc9cfb9;hb=69a4737ea1d5fc3c637c7abc301c5863529c7129;hp=b2f6064a06a524394e808f6c0957ade3a35384c9;hpb=94445186085ec1ec27bed5a5c07b634da957eb08;p=utils diff --git a/crawler/kiss/src/org/wamblee/crawler/kiss/main/KissCrawler.java b/crawler/kiss/src/org/wamblee/crawler/kiss/main/KissCrawler.java index b2f6064a..976d7d15 100644 --- a/crawler/kiss/src/org/wamblee/crawler/kiss/main/KissCrawler.java +++ b/crawler/kiss/src/org/wamblee/crawler/kiss/main/KissCrawler.java @@ -19,10 +19,8 @@ package org.wamblee.crawler.kiss.main; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; -import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; -import java.io.PrintStream; import java.util.ArrayList; import java.util.List; import java.util.regex.Matcher; @@ -48,6 +46,8 @@ import org.wamblee.crawler.kiss.guide.Time; import org.wamblee.crawler.kiss.guide.TimeInterval; import org.wamblee.crawler.kiss.notification.NotificationException; import org.wamblee.crawler.kiss.notification.Notifier; +import org.wamblee.xml.ClasspathUriResolver; +import org.wamblee.xml.XslTransformer; /** * The KiSS crawler for automatic recording of interesting TV shows. @@ -57,26 +57,11 @@ public class KissCrawler { private static final Log LOG = LogFactory.getLog(KissCrawler.class); - /** - * Log file name for the crawler. - */ - private static final String LOG_FILE = "kiss.log"; - /** * Start URL of the electronic programme guide. */ private static final String START_URL = "http://epg.kml.kiss-technology.com/login_core.php"; - /** - * Crawler configuration file. - */ - private static final String CRAWLER_CONFIG = "config.xml"; - - /** - * Configuration file describing interesting programs. - */ - private static final String PROGRAM_CONFIG = "programs.xml"; - /** * Regular expression for matching time interval strings in the retrieved * pages. @@ -97,9 +82,31 @@ public class KissCrawler { * In case of problems. */ public static void main(String[] aArgs) throws Exception { - new KissCrawler(START_URL, CRAWLER_CONFIG, PROGRAM_CONFIG); + String crawlerConfig = new File(aArgs[0]).getCanonicalPath(); + String programConfig = new File(aArgs[1]).getCanonicalPath(); + new KissCrawler(START_URL, crawlerConfig, programConfig); + } + + /** + * Constructs the crawler. This retrieves the TV guide by crawling the KiSS + * EPG guide, filters the guide for interesting programs, tries to record + * them, and sends a summary mail to the user. + * + * @param aCrawlerConfig + * Configuration file for the crawler. + * @param aProgramConfig + * Configuration file describing interesting shows. + * @throws IOException + * In case of problems reading files. + * @throws MessagingException + * In case of problems sending a mail notification. + */ + public KissCrawler(String aCrawlerConfig, + String aProgramConfig) throws IOException, NotificationException { + this(START_URL, aCrawlerConfig, aProgramConfig); } + /** * Constructs the crawler. This retrieves the TV guide by crawling the KiSS * EPG guide, filters the guide for interesting programs, tries to record @@ -117,33 +124,41 @@ public class KissCrawler { * In case of problems sending a mail notification. */ public KissCrawler(String aStartUrl, String aCrawlerConfig, - String aProgramConfig) throws IOException, MessagingException { + String aProgramConfig) throws IOException, NotificationException { _pattern = Pattern.compile(TIME_REGEX); - FileOutputStream fos = new FileOutputStream(new File(LOG_FILE)); - PrintStream os = new PrintStream(fos); - try { HttpClient client = new HttpClient(); // client.getHostConfiguration().setProxy("127.0.0.1", 3128); - Crawler crawler = createCrawler(aCrawlerConfig, os, client); + XslTransformer transformer = new XslTransformer( + new ClasspathUriResolver()); + + Crawler crawler = createCrawler(aCrawlerConfig, client, transformer); InputStream programConfigFile = new FileInputStream(new File( aProgramConfig)); - ProgramConfigurationParser parser = new ProgramConfigurationParser(); + ProgramConfigurationParser parser = new ProgramConfigurationParser( + transformer); parser.parse(programConfigFile); List programFilters = parser.getFilters(); - Page page = getStartPage(aStartUrl, crawler); - TVGuide guide = createGuide(page); - PrintVisitor printer = new PrintVisitor(System.out); - guide.accept(printer); - processResults(programFilters, guide, parser.getNotifier()); + Report report = new Report(); + + try { + Page page = getStartPage(aStartUrl, crawler, report); + TVGuide guide = createGuide(page, report); + PrintVisitor printer = new PrintVisitor(System.out); + guide.accept(printer); + processResults(programFilters, guide, parser.getNotifier(), + report); + } catch (PageException e) { + report.addMessage("Problem getting TV guide", e); + LOG.info("Problem getting TV guide", e); + } + parser.getNotifier().send(report.asXml()); } finally { - os.flush(); - os.close(); - System.out.println("Output written on '" + LOG_FILE + "'"); + System.out.println("Crawler finished"); } } @@ -158,8 +173,8 @@ public class KissCrawler { * In case of problems sending a summary mail. */ private void processResults(List aProgramCondition, - TVGuide aGuide, Notifier aNotifier) throws MessagingException { - ProgramActionExecutor executor = new ProgramActionExecutor(); + TVGuide aGuide, Notifier aNotifier, Report aReport) { + ProgramActionExecutor executor = new ProgramActionExecutor(aReport); for (ProgramFilter filter : aProgramCondition) { List programs = filter.apply(aGuide); ProgramAction action = filter.getAction(); @@ -168,11 +183,7 @@ public class KissCrawler { } } executor.commit(); - try { - aNotifier.send(executor.getReport()); - } catch (NotificationException e) { - throw new RuntimeException(e); - } + } /** @@ -188,9 +199,9 @@ public class KissCrawler { * @throws FileNotFoundException * In case configuration files cannot be found. */ - private Crawler createCrawler(String aCrawlerConfig, PrintStream aOs, - HttpClient aClient) throws FileNotFoundException { - ConfigurationParser parser = new ConfigurationParser(aOs); + private Crawler createCrawler(String aCrawlerConfig, HttpClient aClient, + XslTransformer aTransformer) throws FileNotFoundException { + ConfigurationParser parser = new ConfigurationParser(aTransformer); InputStream crawlerConfigFile = new FileInputStream(new File( aCrawlerConfig)); Configuration config = parser.parse(crawlerConfigFile); @@ -206,15 +217,23 @@ public class KissCrawler { * URL of the electronic programme guide. * @param aCrawler * Crawler to use. + * @param aReport + * Report to use. * @return Starting page. */ - private Page getStartPage(String aStartUrl, Crawler aCrawler) { + private Page getStartPage(String aStartUrl, Crawler aCrawler, Report aReport) + throws PageException { try { Page page = aCrawler.getPage(aStartUrl); - return page.getAction("channels-favorites").execute(); + Action favorites = page.getAction("channels-favorites"); + if (favorites == null) { + String msg = "Channels favorites action not found on start page"; + throw new PageException(msg); + } + return favorites.execute(); } catch (PageException e) { - throw new RuntimeException( - "Could not login to electronic program guide", e); + String msg = "Could not complete login to electronic programme guide."; + throw new PageException(msg, e); } } @@ -223,22 +242,32 @@ public class KissCrawler { * * @param aPage * Starting page. + * @param aReport + * Report to use. * @return TV guide. */ - private TVGuide createGuide(Page aPage) { + private TVGuide createGuide(Page aPage, Report aReport) { LOG.info("Obtaining full TV guide"); Action[] actions = aPage.getActions(); List channels = new ArrayList(); for (Action action : actions) { try { LOG.info("Getting channel info for '" + action.getName() + "'"); - Channel channel = createChannel(action.getName(), action - .execute().getAction("right-now").execute()); + Action rightNow = action.execute().getAction("right-now"); + if (rightNow == null) { + throw new PageException("Channel summary page for '" + + action.getName() + + "' does not contain required information"); + } + Channel channel = createChannel(action.getName(), rightNow + .execute(), aReport); channels.add(channel); if (SystemProperties.isDebugMode()) { break; // Only one channel is crawled. } } catch (PageException e) { + aReport.addMessage("Could not create channel information for '" + + action.getName() + "'"); LOG.error("Could not create channel information for '" + action.getName() + "'", e); } @@ -255,7 +284,7 @@ public class KissCrawler { * Starting page for the channel. * @return Channel. */ - private Channel createChannel(String aChannel, Page aPage) { + private Channel createChannel(String aChannel, Page aPage, Report aReport) { LOG.info("Obtaining program for " + aChannel); Action[] programActions = aPage.getActions(); List programs = new ArrayList(); @@ -278,9 +307,10 @@ public class KissCrawler { keywords = programInfo.getContent().element("keywords") .getText().trim(); } catch (PageException e) { - LOG.warn( - "Program details could not be determined for '" - + action.getName() + "'", e); + String msg = "Program details could not be determined for '" + + action.getName() + "'"; + aReport.addMessage(msg, e); + LOG.warn(msg, e); } } Program program = new Program(aChannel, action.getName(),