com.alexjalg.gson_google.EjecutarHttpClient.java Source code

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Here is the source code for com.alexjalg.gson_google.EjecutarHttpClient.java

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package com.alexjalg.gson_google;

import com.alexjalg.gson_google.entidad.Posts;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import java.net.Socket;
import java.util.ArrayList;
import org.apache.http.ConnectionReuseStrategy;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.impl.DefaultBHttpClientConnection;
import org.apache.http.impl.DefaultConnectionReuseStrategy;
import org.apache.http.message.BasicHttpRequest;
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 java.lang.reflect.Type;

public class EjecutarHttpClient {

    public static void main(String[] args) 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("jsonplaceholder.typicode.com", 80);
        coreContext.setTargetHost(host);

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

        try {
            String[] targets = { "/posts" };
            for (int i = 0; i < targets.length; i++) {
                if (!conn.isOpen()) {
                    Socket socket = new Socket(host.getHostName(), host.getPort());
                    conn.bind(socket);
                }
                BasicHttpRequest request = new BasicHttpRequest("GET", targets[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()));
                String json = EntityUtils.toString(response.getEntity());

                ArrayList<Posts> listPosts = new ArrayList<Posts>();
                Type listType = new TypeToken<ArrayList<Posts>>() {
                }.getType();
                listPosts = new Gson().fromJson(json, listType);

                for (Posts post : listPosts) {
                    System.out.println("");
                    System.out.println(post.getUserId());
                    System.out.println(post.getId());
                    System.out.println(post.getTitle());
                    System.out.println(post.getBody());
                }

                System.out.println("==============");
                if (!connStrategy.keepAlive(response, coreContext)) {
                    conn.close();
                } else {
                    System.out.println("Connection kept alive...");
                }
            }
        } finally {
            conn.close();
        }
    }
}