JAVA Http Basic auth

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/* * ==================================================================== * 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.http.examples.client;import org.apache.http.HttpHost;import org.apache.http.auth.AuthScope;import org.apache.http.auth.UsernamePasswordCredentials;import org.apache.http.client.AuthCache;import org.apache.http.client.CredentialsProvider;import org.apache.http.client.methods.CloseableHttpResponse;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.protocol.HttpClientContext;import org.apache.http.impl.auth.BasicScheme;import org.apache.http.impl.client.BasicAuthCache;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;/** * An example of HttpClient can be customized to authenticate * preemptively using BASIC scheme. * <b> * Generally, preemptive authentication can be considered less * secure than a response to an authentication challenge * and therefore discouraged. */public class ClientPreemptiveBasicAuthentication {    public static void main(String[] args) throws Exception {        HttpHost target = new HttpHost("httpbin.org", 80, "http");        CredentialsProvider credsProvider = new BasicCredentialsProvider();        credsProvider.setCredentials(                new AuthScope(target.getHostName(), target.getPort()),                new UsernamePasswordCredentials("user", "passwd"));        CloseableHttpClient httpclient = HttpClients.custom()                .setDefaultCredentialsProvider(credsProvider).build();        try {            // Create AuthCache instance            AuthCache authCache = new BasicAuthCache();            // Generate BASIC scheme object and add it to the local            // auth cache            BasicScheme basicAuth = new BasicScheme();            authCache.put(target, basicAuth);            // Add AuthCache to the execution context            HttpClientContext localContext = HttpClientContext.create();            localContext.setAuthCache(authCache);            HttpGet httpget = new HttpGet("http://httpbin.org/hidden-basic-auth/user/passwd");            System.out.println("Executing request " + httpget.getRequestLine() + " to target " + target);            for (int i = 0; i < 3; i++) {                CloseableHttpResponse response = httpclient.execute(target, httpget, localContext);                try {                    System.out.println("----------------------------------------");                    System.out.println(response.getStatusLine());                    System.out.println(EntityUtils.toString(response.getEntity()));                } finally {                    response.close();                }            }        } finally {            httpclient.close();        }    }}

JAVA Http Basic auth