1 files changed, 72 insertions, 2 deletions
diff --git a/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/utils/ContextHelper.java b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/utils/ContextHelper.java
index 9d904a0986..961dbcff22 100644
--- a/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/utils/ContextHelper.java
+++ b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/utils/ContextHelper.java
@@ -19,17 +19,28 @@
 
 package org.apache.tuscany.sca.implementation.web.runtime.utils;
 
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
 import javax.servlet.ServletContext;
 
+import org.apache.tuscany.sca.assembly.ComponentProperty;
 import org.apache.tuscany.sca.runtime.RuntimeComponent;
 import org.oasisopen.sca.ComponentContext;
 import org.oasisopen.sca.ServiceReference;
 import org.oasisopen.sca.ServiceRuntimeException;
+import org.oasisopen.sca.annotation.ComponentName;
+import org.oasisopen.sca.annotation.Context;
+import org.oasisopen.sca.annotation.Property;
+import org.oasisopen.sca.annotation.Reference;
+import org.oasisopen.sca.annotation.Service;
 
+@Service
 public class ContextHelper {
-    
+
     public static final String COMPONENT_ATTR = "org.apache.tuscany.sca.implementation.web.RuntimeComponent";
-    
+
     public static ComponentContext getComponentContext(ServletContext sc) {
         RuntimeComponent rc = (RuntimeComponent)sc.getAttribute(COMPONENT_ATTR);
         return rc.getComponentContext();
@@ -42,4 +53,63 @@ public class ContextHelper {
         }
         return sr.getService();
     }
+
+    public static Object getProperty(String name, ServletContext sc) {
+        RuntimeComponent rc = (RuntimeComponent)sc.getAttribute(COMPONENT_ATTR);
+        for (ComponentProperty p : rc.getProperties()) {
+            if (name.equals(p.getName())) {
+                return p.getValue();
+            }
+        }
+        return null;
+    }
+
+    public static void inject(Object instance, ServletContext sc) throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {
+
+        Class<?> clazz = instance.getClass();
+        for (Field field : clazz.getDeclaredFields()) {
+            if (field.isAnnotationPresent(Reference.class)) {
+                Reference ref = field.getAnnotation(Reference.class);
+                String name = ref.name() != null && !ref.name().equals("") ? ref.name() : field.getName();
+                Object value = getReference(name, field.getType(), sc);
+                field.set(instance, value);
+            } else if (field.isAnnotationPresent(Property.class)) {
+                Property prop = field.getAnnotation(Property.class);
+                String name = prop.name() != null && !prop.name().equals("") ? prop.name() : field.getName();
+                Object value = getProperty(name, sc);
+                field.set(instance, value);
+            } else if (field.isAnnotationPresent(ComponentName.class)) {
+                RuntimeComponent rc = (RuntimeComponent)sc.getAttribute(COMPONENT_ATTR);
+                field.set(instance, rc.getName());
+            } else if (field.isAnnotationPresent(Context.class)) {
+                field.set(instance, getComponentContext(sc));
+            }
+        }
+
+        for (Method method : clazz.getDeclaredMethods()) {
+            if (!method.getName().startsWith("set") || method.getParameterTypes().length != 1) {
+                continue;
+            }
+            String targetName = method.getName().substring(3);
+            Class<?> type = method.getParameterTypes()[0];
+
+            if (method.isAnnotationPresent(Reference.class)) {
+                Reference ref = method.getAnnotation(Reference.class);
+                String name = ref.name() != null && !ref.name().equals("") ? ref.name() : targetName;
+                Object value = getReference(name, type, sc);
+                method.invoke(instance, new Object[] {value});
+            } else if (method.isAnnotationPresent(Property.class)) {
+                Property prop = method.getAnnotation(Property.class);
+                String name = prop.name() != null && !prop.name().equals("") ? prop.name() : targetName;
+                Object value = getProperty(name, sc);
+                method.invoke(instance, new Object[] {value});
+            } else if (method.isAnnotationPresent(ComponentName.class)) {
+                RuntimeComponent rc = (RuntimeComponent)sc.getAttribute(COMPONENT_ATTR);
+                method.invoke(instance, new Object[] {rc.getName()});
+            } else if (method.isAnnotationPresent(Context.class)) {
+                method.invoke(instance, new Object[] {getComponentContext(sc)});
+            }
+        }
+    }
+
 }