com.github.cleydyr.dart.system.OSDetector Maven / Gradle / Ivy

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A Maven plugin that allows to compile SASS using Dart Sass

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package com.github.cleydyr.dart.system;

import java.util.ArrayList;
import java.util.Collection;

public class OSDetector {
    public static final String ARCH_IA32 = "ia32";

    public static final String ARCH_X64 = "x64";

    public static final String ARCH_ARM = "arm";

    public static final String AARCH32 = "aarch32";

    public static final String AARCH64 = "aarch64";

    public static final String ARCH_ARM64 = "arm64";

    public static final String OS_MAC_OS = "macos";

    public static final String OS_WINDOWS = "windows";

    public static final String OS_LINUX = "linux";

    public static final Collection ACCEPTED_OSES = new ArrayList<>();

    public static final Collection ACCEPTED_ARCHITECTURES = new ArrayList<>();

    private static final String _DETECTED_OS;

    private static final String _DETECTED_ARCHITECTURE;

    private static final boolean _IS_WINDOWS;

    static {
        for (String os : new String[] {OS_LINUX, OS_MAC_OS, OS_WINDOWS}) {
            ACCEPTED_OSES.add(os);
        }

        for (String arch : new String[] {ARCH_ARM64, ARCH_ARM, ARCH_IA32, ARCH_X64}) {
            ACCEPTED_ARCHITECTURES.add(arch);
        }

        String osName = System.getProperty("os.name");

        if (osName == null) {
            throw new Error("os.name system property is not set");
        }

        if (osName.contains("Mac OS")) {
            _DETECTED_OS = OS_MAC_OS;

            _IS_WINDOWS = false;
        } else if (osName.contains("Windows")) {
            _DETECTED_OS = OS_WINDOWS;

            _IS_WINDOWS = true;
        } else {
            _DETECTED_OS = OS_LINUX;

            _IS_WINDOWS = false;
        }

        String osArchitecture = System.getProperty("os.arch");

        if (osArchitecture == null) {
            throw new Error("os.arch system property is not set");
        }

        if (osArchitecture.equals(AARCH32)) {
            _DETECTED_ARCHITECTURE = ARCH_ARM;
        } else if (osArchitecture.equals(AARCH64)) {
            _DETECTED_ARCHITECTURE = ARCH_ARM64;
        } else if (osArchitecture.contains("64")) {
            _DETECTED_ARCHITECTURE = ARCH_X64;
        } else {
            _DETECTED_ARCHITECTURE = ARCH_IA32;
        }
    }

    public static String getOSName() {
        return _DETECTED_OS;
    }

    public static String getOSArchitecture() {
        return _DETECTED_ARCHITECTURE;
    }

    public static boolean isWindows() {
        return _IS_WINDOWS;
    }

    public static boolean isAcceptedOSName(String osName) {
        return ACCEPTED_OSES.stream().anyMatch(osName::equals);
    }

    public static boolean isAcceptedArchitecture(String architecture) {
        return ACCEPTED_ARCHITECTURES.stream().anyMatch(architecture::equals);
    }
}