|  | // Copyright 2014 The Bazel Authors. 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; | 
|  |  | 
|  | /** | 
|  | * Operating system-specific utilities. | 
|  | */ | 
|  | public final class OsUtils { | 
|  |  | 
|  | private static final String EXECUTABLE_EXTENSION = executableExtension(OS.getCurrent()); | 
|  |  | 
|  | // Utility class. | 
|  | private OsUtils() { | 
|  | } | 
|  |  | 
|  | public static String executableExtension(OS os) { | 
|  | return os == OS.WINDOWS ? ".exe" : ""; | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Returns the extension used for executables on the current platform (.exe | 
|  | * for Windows, empty string for others). | 
|  | */ | 
|  | public static String executableExtension() { | 
|  | return EXECUTABLE_EXTENSION; | 
|  | } | 
|  | } |