Java tutorial
/* * ==================================================================== * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * 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 * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package com.oocl.euc.ita.test; import java.io.BufferedWriter; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStreamWriter; import java.util.ArrayList; import java.util.List; 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.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils; public class QuickStart { public static void main(String[] args) throws Exception { CloseableHttpClient httpclient = HttpClients.createDefault(); try { // HttpPost? HttpPost httpPost = new HttpPost("http://localhost:8080/qb-webapp/login"); List<NameValuePair> nvps = new ArrayList<NameValuePair>(); nvps.add(new BasicNameValuePair("username", "Neolarry")); nvps.add(new BasicNameValuePair("password", "123456789")); httpPost.setEntity(new UrlEncodedFormEntity(nvps, "UTF-8")); CloseableHttpResponse response2 = httpclient.execute(httpPost); try { // System.out.println(response2.getStatusLine()); HttpEntity entity2 = response2.getEntity(); // do something useful with the response body // and ensure it is fully consumed EntityUtils.consume(entity2); } finally { response2.close(); } HttpGet httpGet = new HttpGet("http://localhost:8080/qb-webapp/api/trainer"); System.out.println(httpGet.getURI()); 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("get: "+response1.getStatusLine()); HttpEntity entity1 = response1.getEntity(); // do something useful with the response body // and ensure it is fully consumed String responseString = ""; if (entity1 != null) { // // System.out.println("Response content length: " + entity1.getContentLength()); System.out.println(responseString = EntityUtils.toString(entity1)); // ? } //JsonToObject // JSONArray s = JSONArray.parseArray(responseString); // for (int i = 0; i < s.size(); i++) { // System.out.println(s.get(i)); // } EntityUtils.consume(entity1); } finally { response1.close(); } } finally { httpclient.close(); } } }