Example usage for org.apache.http.impl.client IdleConnectionEvictor start

Introduction

In this page you can find the example usage for org.apache.http.impl.client IdleConnectionEvictor start.

Prototype

public void start() 

Source Link

Usage

From source file:com.lxf.spider.client.ClientEvictExpiredConnections.java

public static void main(String[] args) throws Exception {
    PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
    cm.setMaxTotal(100);/*from w w w .  j a  v a 2 s .c  o  m*/
    CloseableHttpClient httpclient = HttpClients.custom().setConnectionManager(cm).build();
    try {
        // create an array of URIs to perform GETs on
        String[] urisToGet = { "http://hc.apache.org/", "http://hc.apache.org/httpcomponents-core-ga/",
                "http://hc.apache.org/httpcomponents-client-ga/", };

        IdleConnectionEvictor connEvictor = new IdleConnectionEvictor(cm);
        connEvictor.start();

        for (int i = 0; i < urisToGet.length; i++) {
            String requestURI = urisToGet[i];
            HttpGet request = new HttpGet(requestURI);

            System.out.println("Executing request " + requestURI);

            CloseableHttpResponse response = httpclient.execute(request);
            try {
                System.out.println("----------------------------------------");
                System.out.println(response.getStatusLine());
                EntityUtils.consume(response.getEntity());
            } finally {
                response.close();
            }
        }

        // Sleep 10 sec and let the connection evictor do its job
        Thread.sleep(20000);

        // Shut down the evictor thread
        connEvictor.shutdown();
        connEvictor.join();

    } finally {
        httpclient.close();
    }
}

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From source file:com.dlmu.heipacker.crawler.client.ClientEvictExpiredConnections.java

public static void main(String[] args) throws Exception {
    PoolingClientConnectionManager cm = new PoolingClientConnectionManager();
    cm.setMaxTotal(100);/*from   ww w.  j  a v  a 2s. com*/

    HttpClient httpclient = new DefaultHttpClient(cm);
    try {
        // create an array of URIs to perform GETs on
        String[] urisToGet = { "http://jakarta.apache.org/", "http://jakarta.apache.org/commons/",
                "http://jakarta.apache.org/commons/httpclient/",
                "http://svn.apache.org/viewvc/jakarta/httpcomponents/" };

        IdleConnectionEvictor connEvictor = new IdleConnectionEvictor(cm);
        connEvictor.start();

        for (int i = 0; i < urisToGet.length; i++) {
            String requestURI = urisToGet[i];
            HttpGet req = new HttpGet(requestURI);

            System.out.println("executing request " + requestURI);

            HttpResponse rsp = httpclient.execute(req);
            HttpEntity entity = rsp.getEntity();

            System.out.println("----------------------------------------");
            System.out.println(rsp.getStatusLine());
            if (entity != null) {
                System.out.println("Response content length: " + entity.getContentLength());
            }
            System.out.println("----------------------------------------");

            EntityUtils.consume(entity);
        }

        // Sleep 10 sec and let the connection evictor do its job
        Thread.sleep(20000);

        // Shut down the evictor thread
        connEvictor.shutdown();
        connEvictor.join();

    } finally {
        // When HttpClient instance is no longer needed,
        // shut down the connection manager to ensure
        // immediate deallocation of all system resources
        httpclient.getConnectionManager().shutdown();
    }
}

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From source file:httpclient.client.ClientEvictExpiredConnections.java

public static void main(String[] args) throws Exception {
    // Create and initialize HTTP parameters
    HttpParams params = new BasicHttpParams();
    ConnManagerParams.setMaxTotalConnections(params, 100);
    HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);

    // Create and initialize scheme registry 
    SchemeRegistry schemeRegistry = new SchemeRegistry();
    schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));

    ClientConnectionManager cm = new ThreadSafeClientConnManager(params, schemeRegistry);
    HttpClient httpclient = new DefaultHttpClient(cm, params);

    // create an array of URIs to perform GETs on
    String[] urisToGet = { "http://jakarta.apache.org/", "http://jakarta.apache.org/commons/",
            "http://jakarta.apache.org/commons/httpclient/",
            "http://svn.apache.org/viewvc/jakarta/httpcomponents/" };

    IdleConnectionEvictor connEvictor = new IdleConnectionEvictor(cm);
    connEvictor.start();

    for (int i = 0; i < urisToGet.length; i++) {
        String requestURI = urisToGet[i];
        HttpGet req = new HttpGet(requestURI);

        System.out.println("executing request " + requestURI);

        HttpResponse rsp = httpclient.execute(req);
        HttpEntity entity = rsp.getEntity();

        System.out.println("----------------------------------------");
        System.out.println(rsp.getStatusLine());
        if (entity != null) {
            System.out.println("Response content length: " + entity.getContentLength());
        }//w w w  . j  a v  a2  s .  co m
        System.out.println("----------------------------------------");

        if (entity != null) {
            entity.consumeContent();
        }
    }

    // Sleep 10 sec and let the connection evictor do its job
    Thread.sleep(20000);

    // Shut down the evictor thread
    connEvictor.shutdown();
    connEvictor.join();

    // When HttpClient instance is no longer needed, 
    // shut down the connection manager to ensure
    // immediate deallocation of all system resources
    httpclient.getConnectionManager().shutdown();
}

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