[FEATURE] JVMHelper class extension (#667)

Launcher/src/main/java/pro/gravit/launcher/client/ClientClassLoader.java

@@ -77,25 +77,7 @@ protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundE
 
     @Override
     public String findLibrary(String name) {
-        return nativePath.concat(IOHelper.PLATFORM_SEPARATOR).concat(getNativePrefix()).concat(name).concat(getNativeEx());
+        return nativePath.concat(IOHelper.PLATFORM_SEPARATOR).concat(JVMHelper.NATIVE_PREFIX).concat(name).concat(JVMHelper.NATIVE_EXTENSION);
-    }
-
-    public String getNativeEx() {
-        if (JVMHelper.OS_TYPE == JVMHelper.OS.MUSTDIE)
-            return ".dll";
-        else if (JVMHelper.OS_TYPE == JVMHelper.OS.LINUX)
-            return ".so";
-        else if (JVMHelper.OS_TYPE == JVMHelper.OS.MACOSX)
-            return ".dylib";
-        return "";
-    }
-
-    public String getNativePrefix() {
-        if (JVMHelper.OS_TYPE == JVMHelper.OS.LINUX)
-            return "lib";
-        else if (JVMHelper.OS_TYPE == JVMHelper.OS.MACOSX)
-            return "lib";
-        return "";
     }
 
     public void addAllowedPackage(String pkg) {

LauncherCore/src/main/java/pro/gravit/utils/helper/JVMHelper.java

@@ -24,6 +24,8 @@ public final class JVMHelper {
     // System properties
     public static final String OS_VERSION = OPERATING_SYSTEM_MXBEAN.getVersion();
     public static final ARCH ARCH_TYPE = getArch(System.getProperty("os.arch"));
+    public static final String NATIVE_EXTENSION = getNativeExtension(OS_TYPE);
+    public static final String NATIVE_PREFIX = getNativePrefix(OS_TYPE);
     public static final int JVM_BITS = Integer.parseInt(System.getProperty("sun.arch.data.model"));
     // Public static fields
     public static final Runtime RUNTIME = Runtime.getRuntime();
@@ -82,6 +84,29 @@ public static int getBuild() {
 
     }
 
+    public static String getNativeExtension(JVMHelper.OS OS_TYPE) {
+        switch (OS_TYPE) {
+            case MUSTDIE:
+                return ".dll";
+            case LINUX:
+                return ".so";
+            case MACOSX:
+                return ".dylib";
+            default:
+                throw new InternalError(String.format("Unsupported OS TYPE '%s'", OS_TYPE));
+        }
+    }
+
+    public static String getNativePrefix(JVMHelper.OS OS_TYPE) {
+        switch (OS_TYPE) {
+            case LINUX:
+            case MACOSX:
+                return "lib";
+            default:
+                return "";
+        }
+    }
+
     public static void appendVars(ProcessBuilder builder, Map<String, String> vars) {
         builder.environment().putAll(vars);
     }
@@ -179,7 +204,6 @@ public static void verifySystemProperties(Class<?> mainClass, boolean requireSys
         LogHelper.debug("Verifying JVM architecture");
     }
 
-
     public enum ARCH {
         X86("x86"), X86_64("x86-64"), ARM64("arm64"), ARM32("arm32");
 

LauncherCore/src/main/java11/pro/gravit/utils/helper/JVMHelper.java

@@ -20,13 +20,12 @@ public final class JVMHelper {
     public static final OperatingSystemMXBean OPERATING_SYSTEM_MXBEAN =
             ManagementFactory.getOperatingSystemMXBean();
     public static final OS OS_TYPE = OS.byName(OPERATING_SYSTEM_MXBEAN.getName());
+    public static final int OS_BITS = getCorrectOSArch();
     // System properties
     public static final String OS_VERSION = OPERATING_SYSTEM_MXBEAN.getVersion();
-
-    public static final int OS_BITS = getCorrectOSArch();
-
     public static final ARCH ARCH_TYPE = getArch(System.getProperty("os.arch"));
-
+    public static final String NATIVE_EXTENSION = getNativeExtension(OS_TYPE);
+    public static final String NATIVE_PREFIX = getNativePrefix(OS_TYPE);
     public static final int JVM_BITS = Integer.parseInt(System.getProperty("sun.arch.data.model"));
     // Public static fields
     public static final Runtime RUNTIME = Runtime.getRuntime();
@@ -45,16 +44,6 @@ public final class JVMHelper {
     private JVMHelper() {
     }
 
-    public enum ARCH {
-        X86("x86"), X86_64("x86-64"), ARM64("arm64"), ARM32("arm32");
-
-        public final String name;
-
-        ARCH(String name) {
-            this.name = name;
-        }
-    }
-
     public static ARCH getArch(String arch) {
         if (arch.equals("amd64") || arch.equals("x86-64") || arch.equals("x86_64")) return ARCH.X86_64;
         if (arch.equals("i386") || arch.equals("i686") || arch.equals("x86")) return ARCH.X86;
@@ -72,6 +61,29 @@ public static int getBuild() {
         return Runtime.version().update();
     }
 
+    public static String getNativeExtension(JVMHelper.OS OS_TYPE) {
+        switch (OS_TYPE) {
+            case MUSTDIE:
+                return ".dll";
+            case LINUX:
+                return ".so";
+            case MACOSX:
+                return ".dylib";
+            default:
+                throw new InternalError(String.format("Unsupported OS TYPE '%s'", OS_TYPE));
+        }
+    }
+
+    public static String getNativePrefix(JVMHelper.OS OS_TYPE) {
+        switch (OS_TYPE) {
+            case LINUX:
+            case MACOSX:
+                return "lib";
+            default:
+                return "";
+        }
+    }
+
     public static void appendVars(ProcessBuilder builder, Map<String, String> vars) {
         builder.environment().putAll(vars);
     }
@@ -86,19 +98,16 @@ public static Class<?> firstClass(String... names) throws ClassNotFoundException
         throw new ClassNotFoundException(Arrays.toString(names));
     }
 
-
     public static void fullGC() {
         RUNTIME.gc();
         RUNTIME.runFinalization();
         LogHelper.debug("Used heap: %d MiB", RUNTIME.totalMemory() - RUNTIME.freeMemory() >> 20);
     }
 
-
     public static String[] getClassPath() {
         return System.getProperty("java.class.path").split(File.pathSeparator);
     }
 
-
     public static URL[] getClassPathURL() {
         String[] cp = System.getProperty("java.class.path").split(File.pathSeparator);
         URL[] list = new URL[cp.length];
@@ -139,34 +148,28 @@ private static int getCorrectOSArch() {
         return System.getProperty("os.arch").contains("64") ? 64 : 32;
     }
 
-
     public static String getEnvPropertyCaseSensitive(String name) {
         return System.getenv().get(name);
     }
 
-
     public static boolean isJVMMatchesSystemArch() {
         return JVM_BITS == OS_BITS;
     }
 
-
     public static String jvmProperty(String name, String value) {
         return String.format("-D%s=%s", name, value);
     }
 
-
     public static String systemToJvmProperty(String name) {
         return String.format("-D%s=%s", name, System.getProperties().getProperty(name));
     }
 
-
     public static void addSystemPropertyToArgs(Collection<String> args, String name) {
         String property = System.getProperty(name);
         if (property != null)
             args.add(String.format("-D%s=%s", name, property));
     }
 
-
     public static void verifySystemProperties(Class<?> mainClass, boolean requireSystem) {
         Locale.setDefault(Locale.US);
         // Verify class loader
@@ -178,6 +181,16 @@ public static void verifySystemProperties(Class<?> mainClass, boolean requireSys
         LogHelper.debug("Verifying JVM architecture");
     }
 
+    public enum ARCH {
+        X86("x86"), X86_64("x86-64"), ARM64("arm64"), ARM32("arm32");
+
+        public final String name;
+
+        ARCH(String name) {
+            this.name = name;
+        }
+    }
+
     public enum OS {
         MUSTDIE("mustdie"), LINUX("linux"), MACOSX("macosx");