Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.management / src / org / simantics / db / management / internal / SessionManagerProvider.java

diff --git a/bundles/org.simantics.db.management/src/org/simantics/db/management/internal/SessionManagerProvider.java b/bundles/org.simantics.db.management/src/org/simantics/db/management/internal/SessionManagerProvider.java
new file mode 100644 (file)
index 0000000..6b9bc68
--- /dev/null
+++ b/bundles/org.simantics.db.management/src/org/simantics/db/management/internal/SessionManagerProvider.java
@@ -0,0 +1,68 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2011 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.db.management.internal;\r
+\r
+import java.io.IOException;\r
+import java.io.InputStream;\r
+import java.net.URL;\r
+import java.util.Properties;\r
+\r
+import org.eclipse.core.runtime.Platform;\r
+import org.osgi.framework.Bundle;\r
+import org.simantics.db.SessionManager;\r
+import org.simantics.utils.FileUtils;\r
+\r
+import fi.vtt.simantics.procore.SessionManagerSource;\r
+\r
+/**\r
+ * Complete hack for the time being. Simply provides the SessionManager behind\r
+ * procore's SessionManagerSource with proper initialization.\r
+ */\r
+public final class SessionManagerProvider {\r
+\r
+    // TODO: move this into BundleContext as a service ?\r
+    private static SessionManagerProvider provider;\r
+\r
+    private SessionManager sessionManager;\r
+\r
+    public static SessionManagerProvider getInstance() {\r
+        if (provider == null)\r
+            provider = new SessionManagerProvider();\r
+        return provider;\r
+    }\r
+\r
+    public SessionManager getSessionManager() throws IOException {\r
+        if (sessionManager == null) {\r
+            sessionManager = SessionManagerSource.getSessionManager(loadProperties());\r
+        }\r
+        return sessionManager;\r
+    }\r
+\r
+    private Properties loadProperties() {\r
+        Bundle procore = Platform.getBundle("org.simantics.db.procore");\r
+        URL url = procore.getResource("log4j.properties");\r
+        if (url != null) {\r
+            InputStream in = null;\r
+            try {\r
+                in = url.openStream();\r
+                Properties props = new Properties();\r
+                props.load(in);\r
+                return props;\r
+            } catch (Exception e) {\r
+            } finally {\r
+                FileUtils.uncheckedClose(in);\r
+            }\r
+        }\r
+        return null;\r
+    }\r
+\r
+}\r