1 files changed, 87 insertions, 0 deletions
diff --git a/plugins/org.eclipse.net4j.db/src/org/eclipse/net4j/internal/db/bundle/OM.java b/plugins/org.eclipse.net4j.db/src/org/eclipse/net4j/internal/db/bundle/OM.java
new file mode 100644
index 0000000000..97ce7f3099
--- /dev/null
+++ b/plugins/org.eclipse.net4j.db/src/org/eclipse/net4j/internal/db/bundle/OM.java
@@ -0,0 +1,87 @@
+/***************************************************************************
+ * Copyright (c) 2004 - 2007 Eike Stepper, Germany.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *    Eike Stepper - initial API and implementation
+ **************************************************************************/
+package org.eclipse.net4j.internal.db.bundle;
+
+import org.eclipse.net4j.db.IDBAdapter;
+import org.eclipse.net4j.internal.db.DBAdapterDescriptor;
+import org.eclipse.net4j.internal.db.DBAdapterRegistry;
+import org.eclipse.net4j.internal.util.om.OSGiActivator;
+import org.eclipse.net4j.util.om.OMBundle;
+import org.eclipse.net4j.util.om.OMLogger;
+import org.eclipse.net4j.util.om.OMPlatform;
+import org.eclipse.net4j.util.om.OMTracer;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExtensionRegistry;
+import org.eclipse.core.runtime.Platform;
+
+/**
+ * @author Eike Stepper
+ */
+public final class OM
+{
+  public static final String BUNDLE_ID = "org.eclipse.net4j.db"; //$NON-NLS-1$
+
+  public static final OMBundle BUNDLE = OMPlatform.INSTANCE.bundle(BUNDLE_ID, OM.class);
+
+  public static final OMTracer DEBUG = BUNDLE.tracer("debug"); //$NON-NLS-1$
+
+  public static final OMTracer DEBUG_SQL = DEBUG.tracer("sql"); //$NON-NLS-1$
+
+  public static final OMLogger LOG = BUNDLE.logger();
+
+  public static final String EXT_POINT = "dbAdapters";
+
+  private OM()
+  {
+  }
+
+  public static final class Activator extends OSGiActivator
+  {
+    @Override
+    protected OMBundle getOMBundle()
+    {
+      return BUNDLE;
+    }
+
+    @Override
+    protected void start() throws Exception
+    {
+      IExtensionRegistry registry = Platform.getExtensionRegistry();
+      IConfigurationElement[] elements = registry.getConfigurationElementsFor(BUNDLE_ID, EXT_POINT);
+      for (final IConfigurationElement element : elements)
+      {
+        if ("dbAdapter".equals(element.getName()))
+        {
+          DBAdapterDescriptor descriptor = new DBAdapterDescriptor(element.getAttribute("name"))
+          {
+            @Override
+            public IDBAdapter createDBAdapter()
+            {
+              try
+              {
+                return (IDBAdapter)element.createExecutableExtension("class");
+              }
+              catch (CoreException ex)
+              {
+                OM.LOG.error(ex);
+                return null;
+              }
+            }
+          };
+
+          DBAdapterRegistry.INSTANCE.addDescriptor(descriptor);
+        }
+      }
+    }
+  }
+}