Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package myexamples; import com.google.gson.Gson; import java.io.IOException; import java.util.ArrayList; import java.util.List; import myexamples.Entities.RefEntity; import org.apache.http.HttpEntity; import org.apache.http.NameValuePair; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils; /** * * @author odzhara-ongom */ public class MyExamples { public static CloseableHttpClient httpclient; public static Gson gson = new Gson(); public static void getExample() throws IOException { HttpGet httpGet = new HttpGet("http://localhost:9200/gb/tweet/9"); CloseableHttpResponse response1 = httpclient.execute(httpGet); // The underlying HTTP connection is still held by the response object // to allow the response content to be streamed directly from the network socket. // In order to ensure correct deallocation of system resources // the user MUST call CloseableHttpResponse#close() from a finally clause. // Please note that if response content is not fully consumed the underlying // connection cannot be safely re-used and will be shut down and discarded // by the connection manager. try { System.out.println(response1.getStatusLine()); HttpEntity entity1 = response1.getEntity(); // do something useful with the response body // and ensure it is fully consumed if (entity1 != null) { long len = entity1.getContentLength(); if (len != -1 && len < 2048) { System.out.println(EntityUtils.toString(entity1)); } else { System.out.println("entity length=" + len); } } EntityUtils.consume(entity1); } finally { response1.close(); } } public static String getTweet() throws IOException { String result = ""; HttpGet httpGet = new HttpGet("http://localhost:9200/gb/tweet/9"); CloseableHttpResponse response1 = httpclient.execute(httpGet); // The underlying HTTP connection is still held by the response object // to allow the response content to be streamed directly from the network socket. // In order to ensure correct deallocation of system resources // the user MUST call CloseableHttpResponse#close() from a finally clause. // Please note that if response content is not fully consumed the underlying // connection cannot be safely re-used and will be shut down and discarded // by the connection manager. try { System.out.println(response1.getStatusLine()); HttpEntity entity1 = response1.getEntity(); // do something useful with the response body // and ensure it is fully consumed if (entity1 != null) { long len = entity1.getContentLength(); if (len != -1 && len < 2048) { // System.out.println(EntityUtils.toString(entity1)); result = EntityUtils.toString(entity1); } else { System.out.println("entity length=" + len); } } EntityUtils.consume(entity1); } finally { response1.close(); } return result; } public static void main(String[] args) throws Exception { String tweetString = ""; RefEntity refEntity = new RefEntity(); String refEntityString = gson.toJson(refEntity); httpclient = HttpClients.createDefault(); try { //getExample(); tweetString = getTweet(); StringEntity stringEntity = new StringEntity(refEntityString); HttpPost httppost = new HttpPost("http://localhost:9200/referenzer/reference"); httppost.setEntity(stringEntity); CloseableHttpResponse response1 = httpclient.execute(httppost); System.out.println("responseStatus=" + response1.getStatusLine()); PostResponseEntity pRE = gson.fromJson(EntityUtils.toString(response1.getEntity()), PostResponseEntity.class); System.out.println(pRE.toString(1)); //System.out.println("response="+EntityUtils.toString(response1.getEntity())); } finally { httpclient.close(); } System.out.println(tweetString); Gson gson = new Gson(); TweetResponse tweetResponse = gson.fromJson(tweetString, TweetResponse.class); System.out.println(tweetResponse.toString(1)); System.out.println(refEntityString); } }