Add support to automatic register handler annotated with RegisterActionH...

gwtp-core/gwtp-dispatch-server-spring/src/main/java/com/gwtplatform/dispatch/server/spring/AnnotatedActionBeandHandlerRegistrator.java

@@ -0,0 +1,74 @@
+/**
+ * Copyright 2013 ArcBees Inc.
+ *
+ * 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.gwtplatform.dispatch.server.spring;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+import org.springframework.context.ApplicationContext;
+import org.springframework.core.Ordered;
+
+import com.gwtplatform.dispatch.server.actionhandler.ActionHandler;
+import com.gwtplatform.dispatch.server.actionhandlervalidator.ActionHandlerValidatorClass;
+import com.gwtplatform.dispatch.server.actionhandlervalidator.ActionHandlerValidatorMapImpl;
+import com.gwtplatform.dispatch.server.actionhandlervalidator.ActionHandlerValidatorRegistry;
+import com.gwtplatform.dispatch.server.actionhandlervalidator.LazyActionHandlerValidatorRegistry;
+import com.gwtplatform.dispatch.server.spring.annotation.RegisterActionHandler;
+import com.gwtplatform.dispatch.server.spring.utils.SpringUtils;
+
+/**
+ * Annotation bean post processing to register ActionHadlers annotate
+ * with {@link RegisterActionHandler}.
+ */
+public class AnnotatedActionBeandHandlerRegistrator implements BeanPostProcessor, Ordered {
+    @Autowired
+    protected ApplicationContext applicationContext;
+
+    @Autowired
+    protected ActionHandlerValidatorRegistry actionHandlerValidatorRegistry;
+
+    @SuppressWarnings({ "unchecked", "rawtypes" })
+    @Override
+    public Object postProcessAfterInitialization(Object bean, String beanName) {
+        if (bean instanceof ActionHandler<?, ?>) {
+            ActionHandler<?, ?> actionHandler = (ActionHandler<?, ?>) bean;
+            RegisterActionHandler registerHandler = bean.getClass().getAnnotation(RegisterActionHandler.class);
+            if (registerHandler != null) {
+                ActionHandlerValidatorClass actionHandlerValidatorClass = new ActionHandlerValidatorClass(
+                        actionHandler.getClass(),registerHandler.validator());
+                SpringUtils.registerBean(applicationContext, new ActionHandlerValidatorMapImpl(
+                        actionHandler.getActionType(), actionHandlerValidatorClass));
+                if (actionHandlerValidatorRegistry instanceof LazyActionHandlerValidatorRegistry) {
+                    ((LazyActionHandlerValidatorRegistry) actionHandlerValidatorRegistry)
+                            .addActionHandlerValidatorClass(actionHandler.getActionType(), actionHandlerValidatorClass);
+                }
+            }
+        }
+
+        return bean;
+    }
+
+    @Override
+    public int getOrder() {
+        return Ordered.LOWEST_PRECEDENCE;
+    }
+
+    @Override
+    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
+        return bean;
+    }
+}

gwtp-core/gwtp-dispatch-server-spring/src/main/java/com/gwtplatform/dispatch/server/spring/DispatchServiceImpl.java

@@ -34,19 +34,18 @@
 import com.gwtplatform.dispatch.server.RequestProvider;
 
 /**
- * @author Peter Simun
  */
 @Component("dispatch")
 public class DispatchServiceImpl extends AbstractDispatchServiceImpl implements HttpRequestHandler,
         ServletContextAware {
 
     private static final long serialVersionUID = 136176741488585959L;
 
-    private ServletContext servletContext;
-
     @Autowired(required = false)
     protected String securityCookieName;
 
+    private ServletContext servletContext;
+
     @Autowired
     public DispatchServiceImpl(final Logger logger, final Dispatch dispatch,
             RequestProvider requestProvider) {