ejemplo de código de autenticación de proxy httpclient de java apache

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Ejemplo: ejemplo de proxy httpclient de Java

importorg.apache.http.HttpHost;importorg.apache.http.HttpResponse;importorg.apache.http.auth.AuthScope;importorg.apache.http.auth.UsernamePasswordCredentials;importorg.apache.http.client.CredentialsProvider;importorg.apache.http.client.config.RequestConfig;importorg.apache.http.client.methods.HttpGet;importorg.apache.http.impl.client.BasicCredentialsProvider;importorg.apache.http.impl.client.CloseableHttpClient;importorg.apache.http.impl.client.HttpClientBuilder;importorg.apache.http.impl.client.HttpClients;publicclassProxyAuthenticationExamplepublicstaticvoidmain(String[] args)throwsException//Creating the CredentialsProvider objectCredentialsProvider credsProvider =newBasicCredentialsProvider();//Setting the credentials
      credsProvider.setCredentials(newAuthScope("example.com",80),newUsernamePasswordCredentials("user","mypass"));
      credsProvider.setCredentials(newAuthScope("localhost",8000),newUsernamePasswordCredentials("abc","passwd"));//Creating the HttpClientBuilderHttpClientBuilder clientbuilder =HttpClients.custom();//Setting the credentials
      clientbuilder = clientbuilder.setDefaultCredentialsProvider(credsProvider);//Building the CloseableHttpClient objectCloseableHttpClient httpclient = clientbuilder.build();//Create the target and proxy hostsHttpHost targetHost =newHttpHost("example.com",80,"http");HttpHost proxyHost =newHttpHost("localhost",8000,"http");//Setting the proxyRequestConfig.Builder reqconfigconbuilder=RequestConfig.custom();
      reqconfigconbuilder = reqconfigconbuilder.setProxy(proxyHost);RequestConfig config = reqconfigconbuilder.build();//Create the HttpGet request objectHttpGet httpget =newHttpGet("/");//Setting the config to the request
      httpget.setConfig(config);//Printing the status lineHttpResponse response = httpclient.execute(targetHost, httpget);System.out.println(response.getStatusLine());

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