Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.server / src / org / simantics / db / server / internal / Activator.java

diff --git a/bundles/org.simantics.db.server/src/org/simantics/db/server/internal/Activator.java b/bundles/org.simantics.db.server/src/org/simantics/db/server/internal/Activator.java
new file mode 100644 (file)
index 0000000..bd1a952
--- /dev/null
+++ b/bundles/org.simantics.db.server/src/org/simantics/db/server/internal/Activator.java
@@ -0,0 +1,94 @@
+package org.simantics.db.server.internal;\r
+\r
+import java.io.File;\r
+import java.io.FileNotFoundException;\r
+import java.io.IOException;\r
+import java.net.URL;\r
+\r
+import org.eclipse.core.runtime.FileLocator;\r
+import org.eclipse.core.runtime.Path;\r
+import org.eclipse.core.runtime.Plugin;\r
+import org.osgi.framework.Bundle;\r
+import org.osgi.framework.BundleContext;\r
+\r
+public class Activator extends Plugin {\r
+\r
+    public static final String PLUGIN_ID = "org.simantics.db.server";\r
+    static Activator activator;\r
+\r
+    @Override\r
+    public void start(BundleContext context) throws Exception {\r
+        activator = this;\r
+        super.start(context);\r
+    }\r
+\r
+    @Override\r
+    public void stop(BundleContext context) throws Exception {\r
+        super.stop(context);\r
+        activator = null;\r
+    }\r
+\r
+    public static Activator get() {\r
+        return activator;\r
+    }\r
+\r
+    private static final String ROOT = "/";\r
+\r
+    public static File getRoot()\r
+    throws FileNotFoundException, IOException {\r
+        Bundle b = Activator.get().getBundle();\r
+        URL source = FileLocator.find(b, new Path(ROOT), null);\r
+        URL fileSource = FileLocator.toFileURL(source);\r
+        if (fileSource == source)\r
+            throw new FileNotFoundException(ROOT + "could not be made available from bundle " + b.getSymbolicName());\r
+        File root = new File(fileSource.getFile());\r
+        return root;\r
+    }\r
+    public static File getServerFolder()\r
+    throws FileNotFoundException, IOException {\r
+        final String suffix = calculateSuffix();\r
+        final String name = getRoot() + File.separator + suffix;\r
+        File folder = new File(name);\r
+        if (!folder.isDirectory()) {\r
+            String wd = new File(".").getAbsolutePath();\r
+            throw new FileNotFoundException("No directory for " + name + " current directory=" + wd + ".");\r
+        }\r
+        return folder;\r
+    }\r
+    public static String getExeSuffix() {\r
+        String osName = System.getProperty("os.name").toLowerCase();\r
+        if (osName.startsWith("windows"))\r
+            return ".exe";\r
+        else\r
+            return "";\r
+    }\r
+    private static String calculateSuffix() throws FileNotFoundException {\r
+        String osArch = System.getProperty("os.arch").toLowerCase();\r
+        String osName = System.getProperty("os.name").toLowerCase();\r
+        if (is64BitOS()) {\r
+            if (osName.startsWith("windows"))\r
+                return "win32.x86_64";\r
+            else if (osName.startsWith("linux"))\r
+                return "linux.x86_64";\r
+            else if (osName.startsWith("darwin"))\r
+                return "darwin.x86_64";\r
+        } else if (osArch.equals("i386") || osArch.equals("i586") || osArch.equals("i686") || osArch.equals("x86")) {\r
+            if (osName.startsWith("windows"))\r
+                return "win32.x86";\r
+            else if (osName.startsWith("linux"))\r
+                return "linux.x86";\r
+        }\r
+        throw new FileNotFoundException("Unsupported architecture " + osArch + " and/or operating system " + osName);\r
+    }\r
+\r
+    private static boolean is64BitOS() {\r
+        if (System.getProperty("os.name").toLowerCase().contains("windows")) {\r
+            // Even though os.arch reports a 32-bit system this might be because\r
+            // we are running 32-bit Java. Therefore check the OS architecture.\r
+            // Note that WMI would be the correct way to check this, but this\r
+            // works pretty well also.\r
+            return System.getenv("ProgramFiles(x86)") != null;\r
+        }\r
+        return System.getProperty("os.arch").indexOf("64") != -1;\r
+    }\r
+}\r