| // Copyright 2016 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.windows.jni; |
| |
| import com.google.devtools.build.runfiles.Runfiles; |
| import java.io.IOException; |
| |
| /** Loads native code under Windows. */ |
| public class WindowsJniLoader { |
| private static boolean jniLoaded = false; |
| |
| public static synchronized void loadJni() { |
| if (jniLoaded) { |
| return; |
| } |
| |
| try { |
| System.loadLibrary("windows_jni"); |
| } catch (UnsatisfiedLinkError ex) { |
| Runfiles runfiles = null; |
| try { |
| runfiles = Runfiles.create(); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| |
| String rloc = runfiles.rlocation("io_bazel/src/main/native/windows/windows_jni.dll"); |
| if (rloc == null) { |
| rloc = runfiles.rlocation("bazel_tools/src/main/native/windows/windows_jni.dll"); |
| if (rloc == null) { |
| throw ex; |
| } |
| } |
| System.load(rloc); |
| } |
| jniLoaded = true; |
| } |
| } |