Example usage for org.apache.http.impl.pool BasicConnFactory BasicConnFactory

Introduction

In this page you can find the example usage for org.apache.http.impl.pool BasicConnFactory BasicConnFactory.

Prototype

@Deprecated
    public BasicConnFactory(HttpParams httpParams) 

Source Link

Usage

From source file:io.aos.protocol.http.httpcommon.ElementalPoolingHttpGet.java

public static void main(String... args) throws Exception {

    final HttpParams params = new SyncBasicHttpParams();
    HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
    HttpProtocolParams.setContentCharset(params, "UTF-8");
    HttpProtocolParams.setUserAgent(params, "Test/1.1");
    HttpProtocolParams.setUseExpectContinue(params, true);

    final HttpProcessor httpproc = new ImmutableHttpProcessor(new HttpRequestInterceptor[] {
            // Required protocol interceptors
            new RequestContent(), new RequestTargetHost(),
            // Recommended protocol interceptors
            new RequestConnControl(), new RequestUserAgent(), new RequestExpectContinue() });

    final HttpRequestExecutor httpexecutor = new HttpRequestExecutor();

    final BasicConnPool pool = new BasicConnPool(new BasicConnFactory(params));
    pool.setDefaultMaxPerRoute(2);//from   w w  w. jav a  2s .  c om
    pool.setMaxTotal(2);

    HttpHost[] targets = { new HttpHost("www.google.com", 80), new HttpHost("www.yahoo.com", 80),
            new HttpHost("www.apache.com", 80) };

    class WorkerThread extends Thread {

        private final HttpHost target;

        WorkerThread(final HttpHost target) {
            super();
            this.target = target;
        }

        @Override
        public void run() {
            try {
                Future<BasicPoolEntry> future = pool.lease(this.target, null);

                boolean reusable = false;
                BasicPoolEntry entry = future.get();
                try {
                    HttpClientConnection conn = entry.getConnection();
                    HttpContext context = new BasicHttpContext(null);
                    context.setAttribute(ExecutionContext.HTTP_CONNECTION, conn);
                    context.setAttribute(ExecutionContext.HTTP_TARGET_HOST, this.target);

                    BasicHttpRequest request = new BasicHttpRequest("GET", "/");
                    System.out.println(">> Request URI: " + request.getRequestLine().getUri());

                    request.setParams(params);
                    httpexecutor.preProcess(request, httpproc, context);
                    HttpResponse response = httpexecutor.execute(request, conn, context);
                    response.setParams(params);
                    httpexecutor.postProcess(response, httpproc, context);

                    System.out.println("<< Response: " + response.getStatusLine());
                    System.out.println(EntityUtils.toString(response.getEntity()));

                    ConnectionReuseStrategy connStrategy = new DefaultConnectionReuseStrategy();
                    reusable = connStrategy.keepAlive(response, context);
                } catch (IOException ex) {
                    throw ex;
                } catch (HttpException ex) {
                    throw ex;
                } finally {
                    if (reusable) {
                        System.out.println("Connection kept alive...");
                    }
                    pool.release(entry, reusable);
                }
            } catch (Exception ex) {
                System.out.println("Request to " + this.target + " failed: " + ex.getMessage());
            }
        }

    }
    ;

    WorkerThread[] workers = new WorkerThread[targets.length];
    for (int i = 0; i < workers.length; i++) {
        workers[i] = new WorkerThread(targets[i]);
    }
    for (int i = 0; i < workers.length; i++) {
        workers[i].start();
    }
    for (int i = 0; i < workers.length; i++) {
        workers[i].join();
    }
}

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