1 files changed, 165 insertions, 0 deletions
diff --git a/sandbox/ant/tuscany-container-rhino/src/main/java/org/apache/tuscany/container/rhino/context/CopyOfJavaScriptComponentContext.java b/sandbox/ant/tuscany-container-rhino/src/main/java/org/apache/tuscany/container/rhino/context/CopyOfJavaScriptComponentContext.java
new file mode 100644
index 0000000000..c4690e2170
--- /dev/null
+++ b/sandbox/ant/tuscany-container-rhino/src/main/java/org/apache/tuscany/container/rhino/context/CopyOfJavaScriptComponentContext.java
@@ -0,0 +1,165 @@
+/**
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed 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.rhino.context;
+
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Proxy;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.container.rhino.rhino.RhinoScript;
+import org.apache.tuscany.container.rhino.rhino.RhinoScriptInstance;
+import org.apache.tuscany.core.context.AtomicContext;
+import org.apache.tuscany.core.context.CoreRuntimeException;
+import org.apache.tuscany.core.context.QualifiedName;
+import org.apache.tuscany.core.context.TargetException;
+import org.apache.tuscany.core.context.event.InstanceCreated;
+import org.apache.tuscany.core.context.impl.AbstractContext;
+import org.apache.tuscany.core.extension.ExternalServiceInvoker;
+import org.apache.tuscany.core.wire.ProxyCreationException;
+import org.apache.tuscany.core.wire.SourceWireFactory;
+import org.apache.tuscany.core.wire.TargetWireFactory;
+import org.apache.tuscany.core.wire.WireFactory;
+import org.osoa.sca.ServiceRuntimeException;
+
+public class CopyOfJavaScriptComponentContext extends AbstractContext implements AtomicContext {
+
+    private RhinoScript rhinoScript;
+
+    private Map<String, Object> properties;
+
+    private List<SourceWireFactory> sourceProxyFactories;
+
+    private Map<String, TargetWireFactory> targetProxyFactories;
+
+    public CopyOfJavaScriptComponentContext(String name, Map<String, Object> properties, List<SourceWireFactory> sourceProxyFactories,
+            Map<String, TargetWireFactory> targetProxyFactories, RhinoScript rhinoScript) {
+        super(name);
+        this.properties = properties;
+        this.rhinoScript = rhinoScript;
+        this.sourceProxyFactories = sourceProxyFactories;
+        this.targetProxyFactories = targetProxyFactories;
+    }
+
+    public Object getInstance(QualifiedName qName) throws TargetException {
+        return getInstance(qName, true);
+    }
+
+    public void init() throws TargetException {
+        getInstance(null, false);
+    }
+
+    public void destroy() throws TargetException {
+
+    }
+
+    private synchronized Object getInstance(QualifiedName qName, boolean notify) throws TargetException {
+        String portName = qName.getPortName();
+        WireFactory targetFactory;
+        if (portName != null) {
+            targetFactory = targetProxyFactories.get(portName);
+        } else {
+            // FIXME The port name is null here, either locateService needs more information (the expected interface) to
+            // select the correct port, or we need to return a factory that matches the whole set of services exposed by
+            // the component.
+            targetFactory = targetProxyFactories.values().iterator().next();
+        }
+        if (targetFactory == null) {
+            TargetException e = new TargetException("Target service not found");
+            e.setIdentifier(qName.getPortName());
+            e.addContextName(getName());
+            throw e;
+        }
+        try {
+            Object proxy = targetFactory.createProxy(); // createProxy(new Class[] { iface });
+            if (notify) {
+                publish(new InstanceCreated(this));
+            }
+            return proxy;
+        } catch (ProxyCreationException e) {
+            TargetException te = new TargetException("Error returning target", e);
+            e.setIdentifier(qName.getPortName());
+            e.addContextName(getName());
+            throw te;
+        }
+    }
+
+    public Object getTargetInstance() throws TargetException {
+        Map<String, Object> contexts = createServiceReferences();
+        contexts.putAll(properties);
+
+        final RhinoScriptInstance rhinoScriptInstance = rhinoScript.createRhinoScriptInstance(contexts);
+
+        ExternalServiceInvoker esi = new ExternalServiceInvoker() {
+            public Object invoke(String methodName, Object[] args) {
+                return rhinoScriptInstance.invokeFunction(methodName, args);
+            }
+        };
+
+        return esi;
+    }
+
+    /**
+     * Creates a map containing any ServiceReferences
+     */
+    private Map<String, Object> createServiceReferences() {
+        try {
+            Map<String, Object> context = new HashMap<String, Object>();
+            for (SourceWireFactory proxyFactory : sourceProxyFactories) {
+                Object referenceProxy = createReferenceProxy(proxyFactory);
+                context.put(proxyFactory.getConfiguration().getReferenceName(), referenceProxy);
+            }
+            return context;
+        } catch (ProxyCreationException e) {
+            throw new ServiceRuntimeException(e);
+        }
+    }
+
+    private Object createReferenceProxy(SourceWireFactory proxyFactory) throws ProxyCreationException {
+        Object proxy = proxyFactory.createProxy();
+        Class proxyClass = proxy.getClass();
+        if (Proxy.isProxyClass(proxyClass)) {
+            Class[] ifaces = proxyClass.getInterfaces();
+            Class[] newIfaces = new Class[ifaces.length+1];
+            System.arraycopy(ifaces,0,newIfaces,0,ifaces.length);
+            newIfaces[ifaces.length] = E4XReference.class;
+            InvocationHandler ih = Proxy.getInvocationHandler(proxy);
+            proxy = Proxy.newProxyInstance(proxyClass.getClassLoader(), newIfaces, ih);
+        }
+        return proxy;
+    }
+    
+    interface E4XReference {
+        public Object process(Object xml);
+    }
+
+    public boolean isEagerInit() {
+        return false;
+    }
+
+    public boolean isDestroyable() {
+        return false;
+    }
+
+    public void start() throws CoreRuntimeException {
+    }
+
+    public void stop() throws CoreRuntimeException {
+    }
+
+}