1 files changed, 51 insertions, 0 deletions
diff --git a/server/src/com/vaadin/terminal/DefaultUIProvider.java b/server/src/com/vaadin/terminal/DefaultUIProvider.java
new file mode 100644
index 0000000000..8713c45b31
--- /dev/null
+++ b/server/src/com/vaadin/terminal/DefaultUIProvider.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2011 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.vaadin.terminal;
+
+import com.vaadin.Application;
+import com.vaadin.UIRequiresMoreInformationException;
+import com.vaadin.ui.UI;
+
+public class DefaultUIProvider extends AbstractUIProvider {
+
+    @Override
+    public Class<? extends UI> getUIClass(Application application,
+            WrappedRequest request) throws UIRequiresMoreInformationException {
+        Object uiClassNameObj = application
+                .getProperty(Application.UI_PARAMETER);
+
+        if (uiClassNameObj instanceof String) {
+            String uiClassName = uiClassNameObj.toString();
+
+            ClassLoader classLoader = request.getDeploymentConfiguration()
+                    .getClassLoader();
+            if (classLoader == null) {
+                classLoader = getClass().getClassLoader();
+            }
+            try {
+                Class<? extends UI> uiClass = Class.forName(uiClassName, true,
+                        classLoader).asSubclass(UI.class);
+
+                return uiClass;
+            } catch (ClassNotFoundException e) {
+                throw new RuntimeException("Could not find UI class", e);
+            }
+        }
+
+        return null;
+    }
+}