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 org.ege.httpclient; import org.apache.http.auth.AuthSchemeProvider; import org.apache.http.auth.AuthScope; import org.apache.http.auth.UsernamePasswordCredentials; import org.apache.http.client.CredentialsProvider; import org.apache.http.client.config.AuthSchemes; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.config.Lookup; import org.apache.http.config.RegistryBuilder; import org.apache.http.impl.auth.BasicSchemeFactory; import org.apache.http.impl.auth.SPNegoSchemeFactory; import org.apache.http.impl.client.BasicCredentialsProvider; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.util.EntityUtils; /** * A simple example that uses HttpClient to execute an HTTP request against * a target site that requires user authentication. */ public class ClientAuthentication { public static void main(String[] args) throws Exception { CredentialsProvider credsProvider = new BasicCredentialsProvider(); credsProvider.setCredentials(new AuthScope(null, -1), new UsernamePasswordCredentials("alice", "alice")); Lookup<AuthSchemeProvider> basicAuthSchemeRegistry = RegistryBuilder.<AuthSchemeProvider>create() .register(AuthSchemes.BASIC, new BasicSchemeFactory()).build(); Lookup<AuthSchemeProvider> spnegoAuthSchemeRegistry = RegistryBuilder.<AuthSchemeProvider>create() .register(AuthSchemes.SPNEGO, new SPNegoSchemeFactory(true)).build(); CloseableHttpClient httpclient = HttpClients.custom().setDefaultCredentialsProvider(credsProvider) .setDefaultAuthSchemeRegistry(spnegoAuthSchemeRegistry).build(); //Lookup<AuthSchemeProvider> authProviders = RegistryBuilder.<AuthSchemeProvider>create().register(AuthSchemes.BASIC, new BasicSchemeFactory()).build(); //Lookup<AuthSchemeProvider> authRegistry = <...> //HttpClientContext context = HttpClientContext.create(); //context.setCredentialsProvider(credsProvider); //context.setAuthSchemeRegistry(authRegistry); try { HttpGet httpget = new HttpGet("http://lcom501d/hooks/hdr.cgi"); System.out.println("Executing request " + httpget.getRequestLine()); CloseableHttpResponse response = httpclient.execute(httpget); try { System.out.println("----------------------------------------"); System.out.println(response.getStatusLine()); EntityUtils.consume(response.getEntity()); } finally { response.close(); } } finally { httpclient.close(); } } }