com.oracle.jes.samples.hellostorage.HttpElementPost.java Source code

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Here is the source code for com.oracle.jes.samples.hellostorage.HttpElementPost.java

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package com.oracle.jes.samples.hellostorage;

/*
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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 * with the License.  You may obtain a copy of the License at
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 *   http://www.apache.org/licenses/LICENSE-2.0
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 * software distributed under the License is distributed on an
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import java.io.ByteArrayInputStream;
import java.net.Socket;

import org.apache.http.ConnectionReuseStrategy;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.DefaultBHttpClientConnection;
import org.apache.http.impl.DefaultConnectionReuseStrategy;
import org.apache.http.message.BasicHttpEntityEnclosingRequest;
import org.apache.http.protocol.HttpCoreContext;
import org.apache.http.protocol.HttpProcessor;
import org.apache.http.protocol.HttpProcessorBuilder;
import org.apache.http.protocol.HttpRequestExecutor;
import org.apache.http.protocol.RequestConnControl;
import org.apache.http.protocol.RequestContent;
import org.apache.http.protocol.RequestExpectContinue;
import org.apache.http.protocol.RequestTargetHost;
import org.apache.http.protocol.RequestUserAgent;
import org.apache.http.util.EntityUtils;
import org.apache.http.message.BasicNameValuePair;

/**
 * Elemental example for executing multiple POST requests sequentially.
 */
public class HttpElementPost {

    public void putData2() throws Exception {
        HttpProcessor httpproc = HttpProcessorBuilder.create().add(new RequestContent())
                .add(new RequestTargetHost()).add(new RequestConnControl()).add(new RequestUserAgent("Test/1.1"))
                .add(new RequestExpectContinue(true)).build();

        HttpRequestExecutor httpexecutor = new HttpRequestExecutor();

        HttpCoreContext coreContext = HttpCoreContext.create();
        HttpHost host = new HttpHost("192.168.1.5", 8080);
        coreContext.setTargetHost(host);

        DefaultBHttpClientConnection conn = new DefaultBHttpClientConnection(8 * 1024);
        ConnectionReuseStrategy connStrategy = DefaultConnectionReuseStrategy.INSTANCE;

        try {

            HttpEntity[] requestBodies = {
                    new StringEntity("This is the first test request",
                            ContentType.create("text/plain", Consts.UTF_8)),
                    new ByteArrayEntity("This is the second test request".getBytes("UTF-8"),
                            ContentType.APPLICATION_OCTET_STREAM),
                    new InputStreamEntity(
                            new ByteArrayInputStream(
                                    "This is the third test request (will be chunked)".getBytes("UTF-8")),
                            ContentType.APPLICATION_OCTET_STREAM) };

            for (int i = 0; i < requestBodies.length; i++) {
                if (!conn.isOpen()) {
                    Socket socket = new Socket(host.getHostName(), host.getPort());
                    conn.bind(socket);
                }

                BasicHttpEntityEnclosingRequest request = new BasicHttpEntityEnclosingRequest("POST",
                        "/servlets-examples/servlet/RequestInfoExample");

                request.setEntity(requestBodies[i]);
                System.out.println(">> Request URI: " + request.getRequestLine().getUri());

                httpexecutor.preProcess(request, httpproc, coreContext);
                HttpResponse response = httpexecutor.execute(request, conn, coreContext);
                httpexecutor.postProcess(response, httpproc, coreContext);

                System.out.println("<< Response: " + response.getStatusLine());
                System.out.println(EntityUtils.toString(response.getEntity()));
                System.out.println("==============");
                if (!connStrategy.keepAlive(response, coreContext)) {
                    conn.close();
                } else {
                    System.out.println("Connection kept alive...");
                }
            }
        } finally {
            conn.close();
        }
    }

}