1 files changed, 100 insertions, 0 deletions
diff --git a/sandbox/old/contrib/implementation-javascript/container/src/main/java/org/apache/tuscany/container/javascript/JavaScriptComponent.java b/sandbox/old/contrib/implementation-javascript/container/src/main/java/org/apache/tuscany/container/javascript/JavaScriptComponent.java
new file mode 100644
index 0000000000..6615eabecc
--- /dev/null
+++ b/sandbox/old/contrib/implementation-javascript/container/src/main/java/org/apache/tuscany/container/javascript/JavaScriptComponent.java
@@ -0,0 +1,100 @@
+/*
+ * 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.container.javascript;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.spi.ObjectCreationException;
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.component.TargetResolutionException;
+import org.apache.tuscany.spi.component.WorkContext;
+import org.apache.tuscany.spi.extension.AtomicComponentExtension;
+import org.apache.tuscany.spi.extension.ExecutionMonitor;
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.wire.InboundWire;
+import org.apache.tuscany.spi.wire.OutboundWire;
+import org.apache.tuscany.spi.wire.TargetInvoker;
+import org.apache.tuscany.spi.wire.WireService;
+
+import org.apache.tuscany.container.javascript.rhino.RhinoScript;
+import org.apache.tuscany.container.javascript.rhino.RhinoScriptInstance;
+
+/**
+ * The JavaScript component implementation.
+ */
+public class JavaScriptComponent extends AtomicComponentExtension {
+
+    private final Map<String, Object> properties;
+
+    private RhinoScript rhinoScript;
+
+    public JavaScriptComponent(String name, RhinoScript rhinoScript, Map<String, Object> properties,
+                               CompositeComponent parent, WireService wireService,
+                               WorkContext workContext,
+                               ExecutionMonitor monitor) {
+        super(name, parent, wireService, workContext, null, monitor, 0);
+
+        this.rhinoScript = rhinoScript;
+        this.properties = properties;
+    }
+
+    public Object createInstance() throws ObjectCreationException {
+
+        Map<String, Object> context = new HashMap<String, Object>(getProperties());
+
+        for (List<OutboundWire> referenceWires : getOutboundWires().values()) {
+            for (OutboundWire wire : referenceWires) {
+                Class<?> clazz = wire.getServiceContract().getInterfaceClass();
+                Object wireProxy = wireService.createProxy(clazz, wire);
+                //since all types that may be used in the reference interface may not be known to Rhino
+                //using the wireProxy as is will fail result in type conversion exceptions in cases where
+                //Rhino does not know enough of the tpypes used.  Hence introduce a interceptor proxy, 
+                //with weak typing (java.lang.Object) so that Rhino's call to the proxy succeeds.  Then
+                //within this interceptor proxy perform data mediations required to correctly call the 
+                //referenced service.                
+                Class<?> businessInterface = wire.getServiceContract().getInterfaceClass();
+                JavaScriptReferenceProxy interceptingProxy =
+                    new JavaScriptReferenceProxy(businessInterface,
+                        wireProxy,
+                        rhinoScript.createInstanceScope(context));
+                context.put(wire.getReferenceName(), interceptingProxy.createProxy());
+
+            }
+        }
+
+        return rhinoScript.createRhinoScriptInstance(context);
+    }
+
+    public TargetInvoker createTargetInvoker(String targetName, Operation operation, InboundWire callbackWire) {
+        return new JavaScriptInvoker(operation.getName(), this, callbackWire, workContext, monitor);
+    }
+
+    // TODO: move all the following up to AtomicComponentExtension?
+
+    public Map<String, Object> getProperties() {
+        return properties;
+    }
+
+    public RhinoScriptInstance getTargetInstance() throws TargetResolutionException {
+        return (RhinoScriptInstance) scopeContainer.getInstance(this);
+    }
+
+}