Example usage for org.apache.http.client HttpClient getConnectionManager

Introduction

In this page you can find the example usage for org.apache.http.client HttpClient getConnectionManager.

Prototype

@Deprecated
ClientConnectionManager getConnectionManager();

Source Link

Document

Obtains the connection manager used by this client.

Usage

From source file:com.hilatest.httpclient.apacheexample.ClientWithResponseHandler.java

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

    HttpClient httpclient = new DefaultHttpClient();

    HttpGet httpget = new HttpGet("http://www.google.com/");

    System.out.println("executing request " + httpget.getURI());

    // Create a response handler
    ResponseHandler<String> responseHandler = new BasicResponseHandler();
    String responseBody = httpclient.execute(httpget, responseHandler);
    System.out.println(responseBody);

    System.out.println("----------------------------------------");

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

---

From source file:org.httpclient.lesson02.java

public static void main(String[] args) {

    HttpClient httpclient = new DefaultHttpClient();

    try {//  w  ww.  j a v a2  s  . c  o m
        HttpGet get = new HttpGet("http://www.google.com");
        System.out.println("execute request: " + get.getURI());
        //create a response hendler
        ResponseHandler<String> responseHandler = new BasicResponseHandler();
        String responseBody = httpclient.execute(get, responseHandler);
        System.out.println("====================================");
        System.out.println(responseBody);
        System.out.println("====================================");

    } catch (Exception e) {
        System.out.println(e.getMessage());
    } finally {
        //???
        httpclient.getConnectionManager().shutdown();
    }

}

---

From source file:bundestagswahl.benchmark.BWBenchmark.java

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

    resultTime = new double[6];

    Scanner scanner = new Scanner(System.in);
    System.out.print("Please enter URL: ");
    serverUrl = scanner.nextLine();// w w  w  . ja  v a  2s.c  o  m
    System.out.print("Please enter number of terminals: ");
    numberTerminals = scanner.nextInt();
    System.out.print("Please enter number of requests: ");
    numberRequests = scanner.nextInt();
    System.out.print("Please enter delay between two requests in seconds: ");
    requestDelay = scanner.nextDouble();
    scanner.close();

    PoolingClientConnectionManager cm = new PoolingClientConnectionManager();
    cm.setMaxTotal(numberTerminals);
    HttpClient httpclient = new DefaultHttpClient(cm);
    httpclient.getParams().setIntParameter(CoreConnectionPNames.SO_TIMEOUT, 300000)
            .setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 300000)
            .setIntParameter(CoreConnectionPNames.SOCKET_BUFFER_SIZE, 8 * 1024)
            .setBooleanParameter(CoreConnectionPNames.TCP_NODELAY, true);
    try {
        final CountDownLatch latch = new CountDownLatch(numberTerminals);
        for (int i = 0; i < numberTerminals; i++) {
            BenchmarkTerminal terminal = new BenchmarkTerminal(httpclient, latch, serverUrl, numberRequests,
                    requestDelay);
            terminal.start();
        }
        latch.await();
        httpclient.getConnectionManager().shutdown();
    } finally {

    }

    printResultTimes();
    System.out.println(" ");
    System.out.println("Done");
}

---

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

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

    HttpClient httpclient = new DefaultHttpClient();
    try {/*  w ww  . ja va 2s  . com*/
        HttpGet httpget = new HttpGet("http://www.google.com/");

        System.out.println("executing request " + httpget.getURI());

        // Create a response handler
        ResponseHandler<String> responseHandler = new BasicResponseHandler();
        String responseBody = httpclient.execute(httpget, responseHandler);
        System.out.println("----------------------------------------");
        System.out.println(responseBody);
        System.out.println("----------------------------------------");

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

---

From source file:com.mtea.macrotea_httpclient_study.ClientWithResponseHandler.java

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

    HttpClient httpclient = new DefaultHttpClient();
    try {//from  www. ja  v  a 2s.c o m
        HttpGet httpget = new HttpGet("http://www.google.com/");

        System.out.println("executing request " + httpget.getURI());

        // ResponseHandler
        ResponseHandler<String> responseHandler = new BasicResponseHandler();
        //???BasicResponseHandler
        String responseBody = httpclient.execute(httpget, responseHandler);
        System.out.println("----------------------------------------");
        System.out.println(responseBody);
        System.out.println("----------------------------------------");

    } finally {
        //??httpclient???
        httpclient.getConnectionManager().shutdown();
    }
}

---

From source file:com.hilatest.httpclient.apacheexample.ClientAbortMethod.java

public final static void main(String[] args) throws Exception {
    HttpClient httpclient = new DefaultHttpClient();

    HttpGet httpget = new HttpGet("http://www.apache.org/");

    System.out.println("executing request " + httpget.getURI());
    HttpResponse response = httpclient.execute(httpget);
    HttpEntity entity = response.getEntity();

    System.out.println("----------------------------------------");
    System.out.println(response.getStatusLine());
    if (entity != null) {
        System.out.println("Response content length: " + entity.getContentLength());
    }//from   w w  w . j  av a 2s.  c o  m
    System.out.println("----------------------------------------");

    // Do not feel like reading the response body
    // Call abort on the request object
    httpget.abort();

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

---

From source file:com.http.test.ClientWithResponseHandler.java

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

    HttpClient httpclient = new DefaultHttpClient();
    try {/*from  ww  w. j a  v  a 2 s.c o  m*/
        HttpGet httpget = new HttpGet("http://191.98.138.6/");

        System.out.println("executing request " + httpget.getURI());

        // Create a response handler
        ResponseHandler<String> responseHandler = new BasicResponseHandler();
        String responseBody = httpclient.execute(httpget, responseHandler);
        org.apache.http.Header h[] = httpget.getAllHeaders();
        int i = 0;
        System.out.println("----------------------------------------");
        for (i = 0; i < h.length; i++) {
            System.out.println(h[i].toString());
        }
        System.out.println(responseBody);
        System.out.println("----------------------------------------");

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

---

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

public final static void main(String[] args) throws Exception {
    HttpClient httpclient = new DefaultHttpClient();
    try {//from ww w  .  j av a2  s.  c o  m
        HttpGet httpget = new HttpGet("http://www.apache.org/");

        System.out.println("executing request " + httpget.getURI());
        HttpResponse response = httpclient.execute(httpget);
        HttpEntity entity = response.getEntity();

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

        // Do not feel like reading the response body
        // Call abort on the request object
        httpget.abort();
    } finally {
        // When HttpClient instance is no longer needed,
        // shut down the connection manager to ensure
        // immediate deallocation of all system resources
        httpclient.getConnectionManager().shutdown();
    }
}

---

From source file:com.mtea.macrotea_httpclient_study.ClientAbortMethod.java

public final static void main(String[] args) throws Exception {
    //? DefaultHttpClient
    HttpClient httpclient = new DefaultHttpClient();
    try {//from  ww w.jav  a2 s  .c  om
        HttpGet httpget = new HttpGet("http://www.baidu.com/");

        System.out.println("executing request " + httpget.getURI());
        HttpResponse response = httpclient.execute(httpget);
        HttpEntity entity = response.getEntity();

        System.out.println("----------------------------------------");
        System.out.println("RequestLine:" + httpget.getRequestLine());
        System.out.println("RequestLine:" + response.getStatusLine());
        if (entity != null) {
            System.out.println("Response content length: " + entity.getContentLength());
        }
        System.out.println("----------------------------------------");
        //
        EntityUtils.consume(entity);
        //??response?httpget
        httpget.abort();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        //??httpclient???
        httpclient.getConnectionManager().shutdown();
    }
}

---

From source file:com.hilatest.httpclient.apacheexample.ClientMultiThreadedExecution.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));

    // Create an HttpClient with the ThreadSafeClientConnManager.
    // This connection manager must be used if more than one thread will
    // be using the HttpClient.
    ClientConnectionManager cm = new ThreadSafeClientConnManager(params, schemeRegistry);
    HttpClient httpClient = new DefaultHttpClient(cm, params);

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

    // create a thread for each URI
    GetThread[] threads = new GetThread[urisToGet.length];
    for (int i = 0; i < threads.length; i++) {
        HttpGet httpget = new HttpGet(urisToGet[i]);
        threads[i] = new GetThread(httpClient, httpget, i + 1);
    }// w w w.  jav  a 2  s  .  com

    // start the threads
    for (int j = 0; j < threads.length; j++) {
        threads[j].start();
    }

    // join the threads
    for (int j = 0; j < threads.length; j++) {
        threads[j].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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