1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @summary NOT A TEST. Captures the network interface configuration.
  27  * @library /lib/testlibrary
  28  * @build jdk.testlibrary.NetworkConfiguration
  29  * @run main NetworkConfigurationProbe
  30  */
  31 
  32 import java.net.Inet4Address;
  33 import java.net.Inet6Address;
  34 import java.net.NetworkInterface;
  35 import jdk.testlibrary.NetworkConfiguration;
  36 import static java.util.stream.Collectors.joining;
  37 import static java.lang.System.out;
  38 
  39 /**
  40  * Not a test. Captures the network interface configuration.
  41  */
  42 public class NetworkConfigurationProbe {
  43 
  44     public static void main(String... args) throws Exception {
  45         NetworkConfiguration.printSystemConfiguration(out);
  46 
  47         NetworkConfiguration nc = NetworkConfiguration.probe();
  48         String list;
  49         list = nc.ip4MulticastInterfaces()
  50                   .map(NetworkInterface::getName)
  51                   .collect(joining(" "));
  52         out.println("ip4MulticastInterfaces: " +  list);
  53 
  54         list = nc.ip4Addresses()
  55                   .map(Inet4Address::toString)
  56                   .collect(joining(" "));
  57         out.println("ip4Addresses: " +  list);
  58 
  59         list = nc.ip6MulticastInterfaces()
  60                   .map(NetworkInterface::getName)
  61                   .collect(joining(" "));
  62         out.println("ip6MulticastInterfaces: " +  list);
  63 
  64         list = nc.ip6Addresses()
  65                   .map(Inet6Address::toString)
  66                   .collect(joining(" "));
  67         out.println("ip6Addresses: " +  list);
  68     }
  69 }