src/main/java/com/google/devtools/build/lib/util/NetUtil.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

// Copyright 2014 Google Inc. All rights reserved.
//
// 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.
package com.google.devtools.build.lib.util;

import java.net.InetAddress;
import java.net.UnknownHostException;

/**
 * Various utility methods for network related stuff.
 */
public final class NetUtil {

  private NetUtil() {
  }

  /**
   * Returns the short hostname or <code>unknown</code> if the host name could
   * not be determined.
   */
  public static String findShortHostName() {
    try {
      return InetAddress.getLocalHost().getHostName();
    } catch (UnknownHostException e) {
      return "unknown";
    }
  }
}