| /** |
| * Licensed 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. See accompanying LICENSE file. |
| */ |
| package org.apache.hadoop.security.authentication.examples; |
| |
| import org.apache.hadoop.security.authentication.client.AuthenticatedURL; |
| |
| import java.io.BufferedReader; |
| import java.io.InputStreamReader; |
| import java.net.HttpURLConnection; |
| import java.net.URL; |
| import java.nio.charset.Charset; |
| |
| /** |
| * Example that uses <code>AuthenticatedURL</code>. |
| */ |
| public class WhoClient { |
| |
| public static void main(String[] args) { |
| try { |
| if (args.length != 1) { |
| System.err.println("Usage: <URL>"); |
| System.exit(-1); |
| } |
| AuthenticatedURL.Token token = new AuthenticatedURL.Token(); |
| URL url = new URL(args[0]); |
| HttpURLConnection conn = new AuthenticatedURL().openConnection(url, token); |
| System.out.println(); |
| System.out.println("Token value: " + token); |
| System.out.println("Status code: " + conn.getResponseCode() + " " + conn.getResponseMessage()); |
| System.out.println(); |
| if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) { |
| BufferedReader reader = new BufferedReader( |
| new InputStreamReader( |
| conn.getInputStream(), Charset.forName("UTF-8"))); |
| String line = reader.readLine(); |
| while (line != null) { |
| System.out.println(line); |
| line = reader.readLine(); |
| } |
| reader.close(); |
| } |
| System.out.println(); |
| } |
| catch (Exception ex) { |
| System.err.println("ERROR: " + ex.getMessage()); |
| System.exit(-1); |
| } |
| } |
| } |