Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.graphviz / src / org / simantics / graphviz / Activator.java

diff --git a/bundles/org.simantics.graphviz/src/org/simantics/graphviz/Activator.java b/bundles/org.simantics.graphviz/src/org/simantics/graphviz/Activator.java
new file mode 100644 (file)
index 0000000..990e129
--- /dev/null
+++ b/bundles/org.simantics.graphviz/src/org/simantics/graphviz/Activator.java
@@ -0,0 +1,94 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.graphviz;\r
+\r
+import java.io.File;\r
+import java.io.IOException;\r
+import java.net.URL;\r
+import java.net.URLDecoder;\r
+\r
+import org.eclipse.core.runtime.FileLocator;\r
+import org.eclipse.core.runtime.Plugin;\r
+import org.osgi.framework.Bundle;\r
+import org.osgi.framework.BundleContext;\r
+\r
+/**\r
+ * The activator class controls the plug-in life cycle\r
+ * \r
+ * @author Hannu Niemistö\r
+ */\r
+public class Activator extends Plugin {\r
+\r
+    // The plug-in ID\r
+    public static final String PLUGIN_ID = "org.simantics.graphviz";\r
+\r
+    // The shared instance\r
+    private static Activator plugin;\r
+\r
+    // private File stateDir;\r
+    private Bundle bundle;\r
+    private File DOT_EXE;\r
+\r
+    /*\r
+     * (non-Javadoc)\r
+     * \r
+     * @see\r
+     * org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext)\r
+     */\r
+    @Override\r
+    public void start(BundleContext context) throws Exception {\r
+        super.start(context);\r
+\r
+        bundle = context.getBundle();\r
+        URL url = FileLocator.toFileURL(bundle.getEntry("dot"));\r
+        DOT_EXE = new File(url.getPath(), "dot.exe");\r
+\r
+        plugin = this;\r
+    }\r
+\r
+    /*\r
+     * (non-Javadoc)\r
+     * \r
+     * @see\r
+     * org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)\r
+     */\r
+    @Override\r
+    public void stop(BundleContext context) throws Exception {\r
+        plugin = null;\r
+        super.stop(context);\r
+    }\r
+\r
+    /**\r
+     * Returns the shared instance\r
+     * \r
+     * @return the shared instance\r
+     */\r
+    public static Activator getDefault() {\r
+        return plugin;\r
+    }\r
+\r
+    public static File getDotExe() {\r
+        Activator activator = getDefault();\r
+        if(activator != null)\r
+            return activator.DOT_EXE;\r
+        else\r
+            try {\r
+                URL path = Activator.class.getResource(".");\r
+                URL resource = new URL(path, "../../../../dot/dot.exe");\r
+                return new File(URLDecoder.decode(resource.getPath(), "UTF-8"));\r
+            } catch (IOException e) {\r
+                e.printStackTrace();\r
+                return null;\r
+            }\r
+    }\r
+\r
+}\r