Start to get JSF webapps going using Apache MyFaces

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@749147 13f79535-47bb-0310-9956-ffa450edef68

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)});

+            }

+        }

+    }

+

 }