[DEV] add an helper to instact platform

2021-07-07 00:25:17 +02:00 · 2021-07-07 00:25:17 +02:00 · 144d6a8d9b
commit 144d6a8d9b
parent cb4116f111
1 changed files with 95 additions and 0 deletions
--- a/src/org/atriasoft/etk/Platform.java
+++ b/src/org/atriasoft/etk/Platform.java
@ -0,0 +1,95 @@
+package org.atriasoft.etk;
+
+import org.atriasoft.etk.internal.Log;
+
+import edu.umd.cs.findbugs.annotations.CheckReturnValue;
+
+public class Platform {
+	private Platform() {}
+	/**
+	 * Get the current OS we are running:
+	 * <ul>
+	 * <li>"android": Google Android OS</li> 
+	 * <li>"linux": Generic Linux OS</li>
+	 * <li>"ios": Apple Embended OS</li>
+	 * <li>"macosx": Apple PC OS</li>
+	 * <li>"windows": Microsoft Generic OS</li>
+	 * <li>property:"org.atriasoft.etk.platform.os": when not find</li>
+	 * </ul> 
+	 * @return The specific platform
+	 */
+	@CheckReturnValue
+    public static String getOS() {
+        String jvmName = System.getProperty("java.vm.name", "").toLowerCase();
+        String osName  = System.getProperty("os.name", "").toLowerCase();
+        if (osName.startsWith("linux")) {
+        	if (jvmName.startsWith("dalvik")) {
+        		osName = "android";
+        	}
+        	osName = "linux";
+        } else if(osName.startsWith("darwin")) {
+        	if (jvmName.startsWith("robovm")) {
+        		osName = "ios";
+        	} else{
+        		osName = "macosx";
+        	}
+        }
+        return System.getProperty("org.atriasoft.etk.platform.os", osName);
+    }
+	/**
+	 * Get the current architecture of the platform:
+	 * <ul>
+	 * <li>"arm": 32 bit arm system</li>
+	 * <li>"arm64": 64 bit arm system</li>
+	 * <li>"armhf": 64 bit arm system with Hard Float implementation</li>
+	 * <li>"x86": 32 bit I386 system</li>
+	 * <li>"x86_64": 64 bit AMD64 system</li>
+	 * <li>property:"org.atriasoft.etk.platform.arch": when not find</li>
+	 * </ul> 
+	 * @return the specific architecture model.
+	 */
+	@CheckReturnValue
+    public static String getArch() {
+        String osArch  = System.getProperty("os.arch", "").toLowerCase();
+        String abiType = System.getProperty("sun.arch.abi", "").toLowerCase();
+        String libPath = System.getProperty("sun.boot.library.path", "").toLowerCase();
+        if (Platform.getOS().equals("ios")) {
+            osArch = "arm";
+        }
+        if (osArch.equals("i386") || osArch.equals("i486") || osArch.equals("i586") || osArch.equals("i686")) {
+            osArch = "x86";
+        } else if (osArch.equals("amd64") || osArch.equals("x86-64") || osArch.equals("x64")) {
+            osArch = "x86_64";
+        } else if (osArch.startsWith("aarch64") || osArch.startsWith("armv8") || osArch.startsWith("arm64")) {
+            osArch = "arm64";
+        } else if ((osArch.startsWith("arm")) && ((abiType.equals("gnueabihf")) || (libPath.contains("openjdk-armhf")))) {
+            osArch = "armhf";
+        } else if (osArch.startsWith("arm")) {
+            osArch = "arm";
+        } else {
+        	Log.warning("Maybe unknowx system... osArch=" + osArch + " abiType=" + abiType + " libPath=" + libPath);
+        }
+        return System.getProperty("org.atriasoft.etk.platform.arch", osArch);
+    }
+	/**
+	 * Get the extension depending on the OS platform
+	 * @return the ".so", ".dylib" or ".dll" depending on the current platform
+	 */
+	@CheckReturnValue
+	public static String getDynamicLibraryExtension() {
+		String os = Platform.getOS();
+    	switch(os) {
+    		case "linux":
+    		case "android":
+    			return ".so";
+    		case "windows":
+    			return ".dll";
+    		case "ios":
+    		case "macos":
+    			return ".dylib";
+    		default:
+    			return "unknown";
+    	}
+	}
+	
+}