From d02579ef284a315b4c0ba0339497707d4e4798d3 Mon Sep 17 00:00:00 2001
From: rsivaram <rsivaram@13f79535-47bb-0310-9956-ffa450edef68>
Date: Tue, 21 Oct 2008 10:26:17 +0000
Subject: Event prototype: initial model changes

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@706572 13f79535-47bb-0310-9956-ffa450edef68
---
 .../java/introspect/impl/ConsumerProcessor.java    | 97 ++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 sandbox/event/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConsumerProcessor.java

(limited to 'sandbox/event/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConsumerProcessor.java')

diff --git a/sandbox/event/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConsumerProcessor.java b/sandbox/event/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConsumerProcessor.java
new file mode 100644
index 0000000000..f2488a6fa5
--- /dev/null
+++ b/sandbox/event/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConsumerProcessor.java
@@ -0,0 +1,97 @@
+/*
+ * 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.implementation.java.introspect.impl;
+
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.logging.Logger;
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.implementation.java.IntrospectionException;
+import org.apache.tuscany.sca.implementation.java.JavaImplementation;
+import org.apache.tuscany.sca.implementation.java.impl.JavaElementImpl;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+
+/**
+ * Processes an {@link org.osoa.sca.annotations.Service} annotation and updates
+ * the component type with corresponding {@link Service}s. Also processes
+ * related {@link org.osoa.sca.annotations.Callback} annotations.
+ * 
+ * @version $$
+ */
+public class ConsumerProcessor extends BaseJavaClassVisitor {
+	@SuppressWarnings("unused")
+    private static final Logger logger = Logger.getLogger(ConsumerProcessor.class.getName());
+
+    private JavaInterfaceFactory javaFactory;
+    
+    public ConsumerProcessor(AssemblyFactory assemblyFactory, JavaInterfaceFactory javaFactory) {
+        super(assemblyFactory);
+        this.javaFactory = javaFactory;
+    }
+    
+    @Override
+    public void visitMethod(Method method, JavaImplementation type) throws IntrospectionException {
+
+    	org.osoa.sca.annotations.Consumer annotation = method.getAnnotation(org.osoa.sca.annotations.Consumer.class);
+        if (annotation == null) {
+            return;
+        }
+        if(Modifier.isPrivate(method.getModifiers())) {
+            throw new IllegalConsumerException("Illegal annotation @Consumer found on "+method, method);
+        }
+        if (method.getParameterTypes().length != 1) {
+            throw new IllegalConsumerException("Consumer must have one parameter", method);
+        }
+        JavaElementImpl element = new JavaElementImpl(method.getDeclaringClass());
+        try {
+			createConsumer(type, element, annotation.name(), method.getName());
+		} catch (InvalidInterfaceException e) {
+			throw new IntrospectionException(e);
+		}
+    }
+
+    /**
+     * @param type
+     * @param element
+     * @throws IllegalConsumerException
+     */
+    private void createConsumer(JavaImplementation type, JavaElementImpl element, String consumerName, String operationName)
+        throws IllegalConsumerException, InvalidInterfaceException {
+    	
+        Class<?> consumerClass = element.getType();
+        
+        org.apache.tuscany.sca.assembly.Consumer consumer = assemblyFactory.createConsumer();
+        JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract();
+        consumer.setInterfaceContract(interfaceContract);
+        consumer.setName(consumerName);       
+        JavaInterface consumerInterface = javaFactory.createJavaInterface();
+        consumerInterface.setRemotable(true);
+        javaFactory.createJavaInterface(consumerInterface, consumerClass);
+        consumer.getInterfaceContract().setInterface(consumerInterface);
+        consumer.setOperationName(operationName);
+
+        type.getConsumers().add(consumer);
+    }
+    
+
+}
-- 
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