| /* |
| * 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.idea.blaze.golang.sdk; |
| |
| import com.intellij.execution.configurations.PathEnvironmentVariableUtil; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.openapi.vfs.LocalFileSystem; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import java.io.File; |
| import java.io.IOException; |
| import javax.annotation.Nullable; |
| |
| /** |
| * Go-lang SDK utility methods. |
| * |
| * <p>TODO: Remove this, and reference go-lang plugin source code directly. |
| */ |
| public class GoSdkUtil { |
| |
| @Nullable |
| public static VirtualFile suggestSdkDirectory() { |
| String fromEnv = suggestSdkDirectoryPathFromEnv(); |
| if (fromEnv != null) { |
| return LocalFileSystem.getInstance().findFileByPath(fromEnv); |
| } |
| return LocalFileSystem.getInstance().findFileByPath("/usr/local/go"); |
| } |
| |
| @Nullable |
| private static String suggestSdkDirectoryPathFromEnv() { |
| File fileFromPath = PathEnvironmentVariableUtil.findInPath("go"); |
| if (fileFromPath != null) { |
| File canonicalFile; |
| try { |
| canonicalFile = fileFromPath.getCanonicalFile(); |
| String path = canonicalFile.getPath(); |
| if (path.endsWith("bin/go")) { |
| return StringUtil.trimEnd(path, "bin/go"); |
| } |
| } catch (IOException e) { |
| // if it can't be found, just silently return null |
| } |
| } |
| return null; |
| } |
| } |