X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.server%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fserver%2Finternal%2FActivator.java;fp=bundles%2Forg.simantics.db.server%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fserver%2Finternal%2FActivator.java;h=bd1a95286579db3798a8415fc3925af47eec5915;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

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
index 000000000..bd1a95286
--- /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;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.net.URL;
+
+import org.eclipse.core.runtime.FileLocator;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.core.runtime.Plugin;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+
+public class Activator extends Plugin {
+
+    public static final String PLUGIN_ID = "org.simantics.db.server";
+    static Activator activator;
+
+    @Override
+    public void start(BundleContext context) throws Exception {
+        activator = this;
+        super.start(context);
+    }
+
+    @Override
+    public void stop(BundleContext context) throws Exception {
+        super.stop(context);
+        activator = null;
+    }
+
+    public static Activator get() {
+        return activator;
+    }
+
+    private static final String ROOT = "/";
+
+    public static File getRoot()
+    throws FileNotFoundException, IOException {
+        Bundle b = Activator.get().getBundle();
+        URL source = FileLocator.find(b, new Path(ROOT), null);
+        URL fileSource = FileLocator.toFileURL(source);
+        if (fileSource == source)
+            throw new FileNotFoundException(ROOT + "could not be made available from bundle " + b.getSymbolicName());
+        File root = new File(fileSource.getFile());
+        return root;
+    }
+    public static File getServerFolder()
+    throws FileNotFoundException, IOException {
+        final String suffix = calculateSuffix();
+        final String name = getRoot() + File.separator + suffix;
+        File folder = new File(name);
+        if (!folder.isDirectory()) {
+            String wd = new File(".").getAbsolutePath();
+            throw new FileNotFoundException("No directory for " + name + " current directory=" + wd + ".");
+        }
+        return folder;
+    }
+    public static String getExeSuffix() {
+        String osName = System.getProperty("os.name").toLowerCase();
+        if (osName.startsWith("windows"))
+            return ".exe";
+        else
+            return "";
+    }
+    private static String calculateSuffix() throws FileNotFoundException {
+        String osArch = System.getProperty("os.arch").toLowerCase();
+        String osName = System.getProperty("os.name").toLowerCase();
+        if (is64BitOS()) {
+            if (osName.startsWith("windows"))
+                return "win32.x86_64";
+            else if (osName.startsWith("linux"))
+                return "linux.x86_64";
+            else if (osName.startsWith("darwin"))
+                return "darwin.x86_64";
+        } else if (osArch.equals("i386") || osArch.equals("i586") || osArch.equals("i686") || osArch.equals("x86")) {
+            if (osName.startsWith("windows"))
+                return "win32.x86";
+            else if (osName.startsWith("linux"))
+                return "linux.x86";
+        }
+        throw new FileNotFoundException("Unsupported architecture " + osArch + " and/or operating system " + osName);
+    }
+
+    private static boolean is64BitOS() {
+        if (System.getProperty("os.name").toLowerCase().contains("windows")) {
+            // Even though os.arch reports a 32-bit system this might be because
+            // we are running 32-bit Java. Therefore check the OS architecture.
+            // Note that WMI would be the correct way to check this, but this
+            // works pretty well also.
+            return System.getenv("ProgramFiles(x86)") != null;
+        }
+        return System.getProperty("os.arch").indexOf("64") != -1;
+    }
+}