1 files changed, 108 insertions, 0 deletions
diff --git a/sandbox/event/modules/runtime-tomcat/src/main/java/org/apache/tuscany/sca/runtime/tomcat/TuscanyAnnotationProcessor.java b/sandbox/event/modules/runtime-tomcat/src/main/java/org/apache/tuscany/sca/runtime/tomcat/TuscanyAnnotationProcessor.java
new file mode 100644
index 0000000000..7351ecabe0
--- /dev/null
+++ b/sandbox/event/modules/runtime-tomcat/src/main/java/org/apache/tuscany/sca/runtime/tomcat/TuscanyAnnotationProcessor.java
@@ -0,0 +1,108 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 org.apache.tuscany.sca.runtime.tomcat;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import javax.naming.NamingException;
+
+import org.apache.AnnotationProcessor;
+import org.apache.catalina.core.StandardContext;
+import org.apache.tuscany.sca.host.embedded.SCADomain;
+import org.apache.tuscany.sca.host.webapp.WebAppServletHost;
+import org.osoa.sca.annotations.Reference;
+
+/**
+ * A Tuscany specific Tomcat annotation processor for processing SCA annotations
+ */
+public class TuscanyAnnotationProcessor implements AnnotationProcessor {
+
+    private StandardContext scaApp;
+
+    public TuscanyAnnotationProcessor(StandardContext scaApp) {
+       this.scaApp = scaApp;
+    }
+
+    public void postConstruct(Object instance) throws IllegalAccessException, InvocationTargetException {
+    }
+
+    public void preDestroy(Object instance) throws IllegalAccessException, InvocationTargetException {
+    }
+
+    public void processAnnotations(Object instance) throws IllegalAccessException, InvocationTargetException, NamingException {
+        
+        // Initialize fields annotations
+        Field[] fields = instance.getClass().getDeclaredFields();
+        for (int i = 0; i < fields.length; i++) {
+            if (fields[i].isAnnotationPresent(Reference.class)) {
+                Reference annotation = fields[i].getAnnotation(Reference.class);
+                injectFieldResource(instance, fields[i], annotation);
+            }
+        }
+        
+        // Initialize methods annotations
+        Method[] methods = instance.getClass().getDeclaredMethods();
+        for (int i = 0; i < methods.length; i++) {
+            if (methods[i].isAnnotationPresent(Reference.class)) {
+                Reference annotation = methods[i].getAnnotation(Reference.class);
+                injectMethodResource(instance, methods[i], annotation);
+            }
+        }
+
+    }
+
+    protected void injectFieldResource(Object instance, Field field, Reference annotation) throws IllegalArgumentException, IllegalAccessException {
+
+        String serviceName = annotation.name();
+        if (serviceName == null || serviceName.length() < 1) {
+            serviceName = field.getName();
+        }
+
+        Object service = getSCADomain().getService(field.getType(), serviceName);
+
+        boolean accessibility = field.isAccessible();
+        field.setAccessible(true);
+        field.set(instance, service);
+        field.setAccessible(accessibility);
+    }
+
+    protected void injectMethodResource(Object instance, Method method, Reference annotation) throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {
+
+        String serviceName = annotation.name();
+        if (serviceName == null || serviceName.length() < 1) {
+            StringBuilder setterName = new StringBuilder(method.getName());
+            setterName.setCharAt(4, Character.toLowerCase(setterName.charAt(4)));
+            serviceName = setterName.substring(4);
+        }
+
+        Object service = getSCADomain().getService(method.getParameterTypes()[0], serviceName);
+
+        boolean accessibility = method.isAccessible();
+        method.setAccessible(true);
+        method.invoke(instance, service);
+        method.setAccessible(accessibility);
+    }
+
+    protected SCADomain getSCADomain() {
+        return (SCADomain)scaApp.getServletContext().getAttribute(WebAppServletHost.SCA_DOMAIN_ATTRIBUTE);
+    }
+}