/* * ==================================================================== * 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 org.apache.hc.client5.http.examples; import java.util.ArrayList; import java.util.List; import org.apache.hc.client5.http.entity.UrlEncodedFormEntity; import org.apache.hc.client5.http.impl.sync.CloseableHttpClient; import org.apache.hc.client5.http.impl.sync.CloseableHttpResponse; import org.apache.hc.client5.http.impl.sync.HttpClients; import org.apache.hc.client5.http.sync.methods.HttpGet; import org.apache.hc.client5.http.sync.methods.HttpPost; import org.apache.hc.core5.http.HttpEntity; import org.apache.hc.core5.http.NameValuePair; import org.apache.hc.core5.http.io.entity.EntityUtils; import org.apache.hc.core5.http.message.BasicNameValuePair; public class QuickStart { public static void main(final String[] args) throws Exception { try (CloseableHttpClient httpclient = HttpClients.createDefault()) { final HttpGet httpGet = new HttpGet("http://httpbin.org/get"); // 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 (CloseableHttpResponse response1 = httpclient.execute(httpGet)) { System.out.println(response1.getCode() + " " + response1.getReasonPhrase()); final HttpEntity entity1 = response1.getEntity(); // do something useful with the response body // and ensure it is fully consumed EntityUtils.consume(entity1); } final HttpPost httpPost = new HttpPost("http://httpbin.org/post"); final List<NameValuePair> nvps = new ArrayList<>(); nvps.add(new BasicNameValuePair("username", "vip")); nvps.add(new BasicNameValuePair("password", "secret")); httpPost.setEntity(new UrlEncodedFormEntity(nvps)); try (CloseableHttpResponse response2 = httpclient.execute(httpPost)) { System.out.println(response2.getCode() + " " + response2.getReasonPhrase()); final HttpEntity entity2 = response2.getEntity(); // do something useful with the response body // and ensure it is fully consumed EntityUtils.consume(entity2); } } } }