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 test; import org.apache.http.Header; import org.apache.http.HttpEntity; import org.apache.http.HttpHost; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.conn.params.ConnRoutePNames; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.util.EntityUtils; /** * How to send a request directly using {@link HttpClient}. * * @since 4.0 */ public class ClientTest { // static { // System.setProperty("java.net.useSystemProxies", "true"); // } public static void main(String[] args) throws Exception { DefaultHttpClient httpclient = new DefaultHttpClient(); HttpHost proxy = new HttpHost("192.168.1.158", 8080, "http"); // httpclient.getCredentialsProvider().setCredentials(new AuthScope("192.168.1.158", 8080),new UsernamePasswordCredentials("", "")); try { httpclient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy); HttpHost target = new HttpHost("www.drugoogle.com", 80, "http"); HttpGet httpget = new HttpGet("/index/index.htm"); System.out.println("executing request to " + httpget); HttpResponse rsp = httpclient.execute(target, httpget); HttpEntity entity = rsp.getEntity(); System.out.println("----------------------------------------"); System.out.println(rsp.getStatusLine()); Header[] headers = rsp.getAllHeaders(); for (int i = 0; i < headers.length; i++) { System.out.println(headers[i]); } System.out.println("----------------------------------------"); if (entity != null) { System.out.println(EntityUtils.toString(entity, "UTF-8")); } } finally { // When HttpClient instance is no longer needed, // shut down the connection manager to ensure // immediate deallocation of all system resources httpclient.getConnectionManager().shutdown(); } } }