Example usage for org.apache.http.params HttpConnectionParamBean setStaleCheckingEnabled

Introduction

In this page you can find the example usage for org.apache.http.params HttpConnectionParamBean setStaleCheckingEnabled.

Prototype

public void setStaleCheckingEnabled(boolean z) 

Source Link

Usage

From source file:org.apache.droids.examples.cli.SimpleRuntime.java

public static void main(String[] args) throws Exception {

    if (args.length < 1) {
        System.out.println("Please specify a URL to crawl");
        System.exit(-1);/*www . jav a  2 s  . c  o m*/
    }
    String targetURL = args[0];

    // Create parser factory. Support basic HTML markup only
    ParserFactory parserFactory = new ParserFactory();
    TikaDocumentParser tikaParser = new TikaDocumentParser();
    parserFactory.getMap().put("text/html", tikaParser);

    // Create protocol factory. Support HTTP/S only.
    ProtocolFactory protocolFactory = new ProtocolFactory();

    // Create and configure HTTP client
    HttpParams params = new BasicHttpParams();
    HttpProtocolParamBean hppb = new HttpProtocolParamBean(params);
    HttpConnectionParamBean hcpb = new HttpConnectionParamBean(params);
    ConnManagerParamBean cmpb = new ConnManagerParamBean(params);

    // Set protocol parametes
    hppb.setVersion(HttpVersion.HTTP_1_1);
    hppb.setContentCharset(HTTP.ISO_8859_1);
    hppb.setUseExpectContinue(true);
    // Set connection parameters
    hcpb.setStaleCheckingEnabled(false);
    // Set connection manager parameters
    ConnPerRouteBean connPerRouteBean = new ConnPerRouteBean();
    connPerRouteBean.setDefaultMaxPerRoute(2);
    cmpb.setConnectionsPerRoute(connPerRouteBean);

    DroidsHttpClient httpclient = new DroidsHttpClient(params);

    HttpProtocol httpProtocol = new HttpProtocol(httpclient);
    protocolFactory.getMap().put("http", httpProtocol);
    protocolFactory.getMap().put("https", httpProtocol);

    // Create URL filter factory.
    URLFiltersFactory filtersFactory = new URLFiltersFactory();
    RegexURLFilter defaultURLFilter = new RegexURLFilter();
    defaultURLFilter.setFile("classpath:/regex-urlfilter.txt");
    filtersFactory.getMap().put("default", defaultURLFilter);

    // Create handler factory. Provide sysout handler only.
    HandlerFactory handlerFactory = new HandlerFactory();
    SysoutHandler defaultHandler = new SysoutHandler();
    handlerFactory.getMap().put("default", defaultHandler);

    // Create droid factory. Leave it empty for now.
    DroidFactory<Link> droidFactory = new DroidFactory<Link>();

    // Create default droid
    SimpleDelayTimer simpleDelayTimer = new SimpleDelayTimer();
    simpleDelayTimer.setDelayMillis(100);

    Queue<Link> simpleQueue = new LinkedList<Link>();

    SequentialTaskMaster<Link> taskMaster = new SequentialTaskMaster<Link>();
    taskMaster.setDelayTimer(simpleDelayTimer);
    taskMaster.setExceptionHandler(new DefaultTaskExceptionHandler());

    CrawlingDroid helloCrawler = new SysoutCrawlingDroid(simpleQueue, taskMaster);
    helloCrawler.setFiltersFactory(filtersFactory);
    helloCrawler.setParserFactory(parserFactory);
    helloCrawler.setProtocolFactory(protocolFactory);

    Collection<String> initialLocations = new ArrayList<String>();
    initialLocations.add(targetURL);
    helloCrawler.setInitialLocations(initialLocations);

    // Initialize and start the crawler
    helloCrawler.init();
    helloCrawler.start();

    // Await termination
    helloCrawler.getTaskMaster().awaitTermination(0, TimeUnit.MILLISECONDS);
    // Shut down the HTTP connection manager
    httpclient.getConnectionManager().shutdown();
}

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