1 files changed, 102 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/provider/EJBBindingInvoker.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/provider/EJBBindingInvoker.java
new file mode 100644
index 0000000000..323fa76006
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/provider/EJBBindingInvoker.java
@@ -0,0 +1,102 @@
+/*
+ * 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.binding.ejb.provider;
+
+import org.apache.tuscany.sca.binding.ejb.EJBBinding;
+import org.apache.tuscany.sca.binding.ejb.util.EJBHandler;
+import org.apache.tuscany.sca.binding.ejb.util.NamingEndpoint;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+
+/**
+ * EJBTargetInvoker
+ *
+ * @version $Rev$ $Date$
+ */
+public class EJBBindingInvoker implements Invoker {
+
+    private Operation operation;
+    private String location;
+    private Class serviceInterface;
+
+    public EJBBindingInvoker(EJBBinding ejbBinding, Class serviceInterface, Operation operation) {
+        this.serviceInterface = serviceInterface;
+        this.location = ejbBinding.getURI();
+        this.operation = operation;
+    }
+
+    public Message invoke(Message msg) {
+        ClassLoader tccl = Thread.currentThread().getContextClassLoader();
+        try {
+            Thread.currentThread().setContextClassLoader(serviceInterface.getClassLoader());
+            Object resp = doInvoke(msg.getBody());
+            msg.setBody(resp);
+        } catch (Throwable e) {
+            e.printStackTrace();
+            msg.setFaultBody(e);
+        } finally {
+            Thread.currentThread().setContextClassLoader(tccl);
+        }
+        return msg;
+    }
+
+    /**
+     * Invoke a EJB operation
+     * 
+     * @param payload
+     * @return
+     */
+    public Object doInvoke(final Object payload) {
+
+        // construct NamingendPoint
+        NamingEndpoint endpoint = getNamingEndpoint();
+
+        // lookup home and ejb stub
+        EJBHandler ejbHandler = new EJBHandler(endpoint, serviceInterface);
+
+        //
+        // If we really couldn't have anything but a JavaOperation maybe we should
+        // remove the if-block.  Assuming we had some other type of operation, if
+        // that is possible, we might still need to map to a Java operation name,
+        // (for example because the WSDL operation name might be set using a JSR-181
+        // annotation to something other than the Java operation name.
+        //
+        // But for now we'll keep the else-block in here.
+        //
+        String methodName = null;
+        if (operation instanceof JavaOperation) {
+            JavaOperation javaOp = (JavaOperation) operation;
+            methodName = javaOp.getJavaMethod().getName();
+        } else {
+            methodName = operation.getName();
+        }
+
+        // invoke business method on ejb
+        Object response = ejbHandler.invoke(methodName, (Object[])payload);
+
+        return response;
+    }
+
+    protected NamingEndpoint getNamingEndpoint() {
+        return new NamingEndpoint(location);
+    }
+    
+}