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207
photon-core/src/main/java/edu/wpi/first/util/RuntimeDetector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,207 @@ | ||
| /* | ||
| * Copyright (C) Photon Vision. | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| package edu.wpi.first.util; | ||
|
|
||
| import java.io.File; | ||
|
|
||
| /** | ||
| * A utility class for detecting and providing platform-specific such as OS and CPU architecture. | ||
| */ | ||
| public final class RuntimeDetector { | ||
| private static String filePrefix; | ||
| private static String fileExtension; | ||
| private static String filePath; | ||
|
|
||
| private static synchronized void computePlatform() { | ||
| if (fileExtension != null && filePath != null && filePrefix != null) { | ||
| return; | ||
| } | ||
|
|
||
| boolean intel32 = is32BitIntel(); | ||
| boolean intel64 = is64BitIntel(); | ||
| boolean arm64 = isArm64(); | ||
|
|
||
| if (isWindows()) { | ||
| filePrefix = ""; | ||
| fileExtension = ".dll"; | ||
| if (intel32) { | ||
| filePath = "/windows/x86/"; | ||
| } else { | ||
| filePath = "/windows/x86-64/"; | ||
| } | ||
| } else if (isMac()) { | ||
| filePrefix = "lib"; | ||
| fileExtension = ".dylib"; | ||
| filePath = "/osx/universal/"; | ||
| } else if (isLinux()) { | ||
| filePrefix = "lib"; | ||
| fileExtension = ".so"; | ||
| if (intel32) { | ||
| filePath = "/linux/x86/"; | ||
| } else if (intel64) { | ||
| filePath = "/linux/x86-64/"; | ||
| } else if (isAthena()) { | ||
| filePath = "/linux/athena/"; | ||
| } else if (isArm32()) { | ||
| filePath = "/linux/arm32/"; | ||
| } else if (arm64) { | ||
| filePath = "/linux/arm64/"; | ||
| } else { | ||
| filePath = "/linux/nativearm/"; | ||
| } | ||
| } else { | ||
| throw new IllegalStateException("Failed to determine OS"); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Get the file prefix for the current system. | ||
| * | ||
| * @return The file prefix. | ||
| */ | ||
| public static synchronized String getFilePrefix() { | ||
| computePlatform(); | ||
|
|
||
| return filePrefix; | ||
| } | ||
|
|
||
| /** | ||
| * Get the file extension for the current system. | ||
| * | ||
| * @return The file extension. | ||
| */ | ||
| public static synchronized String getFileExtension() { | ||
| computePlatform(); | ||
|
|
||
| return fileExtension; | ||
| } | ||
|
|
||
| /** | ||
| * Get the platform path for the current system. | ||
| * | ||
| * @return The platform path. | ||
| */ | ||
| public static synchronized String getPlatformPath() { | ||
| computePlatform(); | ||
|
|
||
| return filePath; | ||
| } | ||
|
|
||
| /** | ||
| * Get the path to the requested resource. | ||
| * | ||
| * @param libName Library name. | ||
| * @return The path to the requested resource. | ||
| */ | ||
| public static synchronized String getLibraryResource(String libName) { | ||
| computePlatform(); | ||
|
|
||
| return filePath + filePrefix + libName + fileExtension; | ||
| } | ||
|
|
||
| /** | ||
| * Get the path to the hash to the requested resource. | ||
| * | ||
| * @param libName Library name. | ||
| * @return The path to the hash to the requested resource. | ||
| */ | ||
| public static synchronized String getHashLibraryResource(String libName) { | ||
| computePlatform(); | ||
|
|
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| return filePath + libName + ".hash"; | ||
| } | ||
|
|
||
| /** | ||
| * Check if hardware platform is Athena. | ||
| * | ||
| * @return True if hardware platform is Athena. | ||
| */ | ||
| public static boolean isAthena() { | ||
| File runRobotFile = new File("/usr/local/frc/bin/frcRunRobot.sh"); | ||
| return runRobotFile.exists(); | ||
| } | ||
|
|
||
| /** | ||
| * Check if OS is Arm32. | ||
| * | ||
| * @return True if OS is Arm32. | ||
| */ | ||
| public static boolean isArm32() { | ||
| String arch = System.getProperty("os.arch"); | ||
| return "arm".equals(arch) || "arm32".equals(arch); | ||
| } | ||
|
|
||
| /** | ||
| * Check if architecture is Arm64. | ||
| * | ||
| * @return if architecture is Arm64. | ||
| */ | ||
| public static boolean isArm64() { | ||
| String arch = System.getProperty("os.arch"); | ||
| return "aarch64".equals(arch) || "arm64".equals(arch); | ||
| } | ||
|
|
||
| /** | ||
| * Check if OS is Linux. | ||
| * | ||
| * @return if OS is Linux. | ||
| */ | ||
| public static boolean isLinux() { | ||
| return System.getProperty("os.name").startsWith("Linux"); | ||
| } | ||
|
|
||
| /** | ||
| * Check if OS is Windows. | ||
| * | ||
| * @return if OS is Windows. | ||
| */ | ||
| public static boolean isWindows() { | ||
| return System.getProperty("os.name").startsWith("Windows"); | ||
| } | ||
|
|
||
| /** | ||
| * Check if OS is Mac. | ||
| * | ||
| * @return if OS is Mac. | ||
| */ | ||
| public static boolean isMac() { | ||
| return System.getProperty("os.name").startsWith("Mac"); | ||
| } | ||
|
|
||
| /** | ||
| * Check if OS is 32bit Intel. | ||
| * | ||
| * @return if OS is 32bit Intel. | ||
| */ | ||
| public static boolean is32BitIntel() { | ||
| String arch = System.getProperty("os.arch"); | ||
| return "x86".equals(arch) || "i386".equals(arch); | ||
| } | ||
|
|
||
| /** | ||
| * Check if OS is 64bit Intel. | ||
| * | ||
| * @return if OS is 64bit Intel. | ||
| */ | ||
| public static boolean is64BitIntel() { | ||
| String arch = System.getProperty("os.arch"); | ||
| return "amd64".equals(arch) || "x86_64".equals(arch); | ||
| } | ||
|
|
||
| private RuntimeDetector() {} | ||
| } |
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