1 files changed, 157 insertions, 0 deletions
diff --git a/sandbox/old/contrib/binding-servicemix/binding/src/main/java/org/apache/servicemix/sca/ScaEndpoint.java b/sandbox/old/contrib/binding-servicemix/binding/src/main/java/org/apache/servicemix/sca/ScaEndpoint.java
new file mode 100644
index 0000000000..8da798d26f
--- /dev/null
+++ b/sandbox/old/contrib/binding-servicemix/binding/src/main/java/org/apache/servicemix/sca/ScaEndpoint.java
@@ -0,0 +1,157 @@
+/*
+ * 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.servicemix.sca;
+
+import java.io.StringWriter;
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.lang.reflect.UndeclaredThrowableException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.jbi.component.ComponentContext;
+import javax.jbi.messaging.DeliveryChannel;
+import javax.jbi.messaging.ExchangeStatus;
+import javax.jbi.messaging.MessageExchange;
+import javax.jbi.messaging.NormalizedMessage;
+import javax.jbi.messaging.MessageExchange.Role;
+import javax.jbi.servicedesc.ServiceEndpoint;
+import javax.xml.bind.JAXBContext;
+
+import org.apache.servicemix.common.Endpoint;
+import org.apache.servicemix.common.ExchangeProcessor;
+import org.apache.servicemix.jbi.jaxp.StringSource;
+import org.apache.tuscany.core.context.EntryPointContext;
+import org.apache.tuscany.model.assembly.ConfiguredReference;
+import org.apache.tuscany.model.assembly.ConfiguredService;
+import org.apache.tuscany.model.assembly.EntryPoint;
+
+/**
+ * 
+ * @author gnodet
+ * @version $Revision$
+ * @org.apache.xbean.XBean element="endpoint" description="A sca endpoint"
+ * 
+ */
+public class ScaEndpoint extends Endpoint implements ExchangeProcessor {
+
+    protected ServiceEndpoint activated;
+
+    protected EntryPoint entryPoint;
+
+    protected Map<Class, Method> methodMap;
+
+    protected JAXBContext jaxbContext;
+
+    protected DeliveryChannel channel;
+
+    public ScaEndpoint(EntryPoint entryPoint) {
+        this.entryPoint = entryPoint;
+    }
+
+    public Role getRole() {
+        return Role.PROVIDER;
+    }
+
+    public void activate() throws Exception {
+        logger = this.serviceUnit.getComponent().getLogger();
+        ComponentContext ctx = this.serviceUnit.getComponent().getComponentContext();
+        activated = ctx.activateEndpoint(service, endpoint);
+        channel = ctx.getDeliveryChannel();
+        // Get the target service
+        ConfiguredReference referenceValue = entryPoint.getConfiguredReference();
+        ConfiguredService targetServiceEndpoint = referenceValue.getTargetConfiguredServices().get(0);
+        // Get the business interface
+        Class serviceInterface = targetServiceEndpoint.getService().getServiceContract().getInterface();
+        List<Class> classes = new ArrayList<Class>();
+        methodMap = new HashMap<Class, Method>();
+        for (Method mth : serviceInterface.getMethods()) {
+            Class[] params = mth.getParameterTypes();
+            if (params.length != 1) {
+                throw new IllegalStateException("Supports only methods with one parameter");
+            }
+            methodMap.put(params[0], mth);
+            classes.add(mth.getReturnType());
+            classes.add(params[0]);
+        }
+        jaxbContext = JAXBContext.newInstance(classes.toArray(new Class[0]));
+    }
+
+    public void deactivate() throws Exception {
+        ServiceEndpoint ep = activated;
+        activated = null;
+        ComponentContext ctx = this.serviceUnit.getComponent().getComponentContext();
+        ctx.deactivateEndpoint(ep);
+    }
+
+    public ExchangeProcessor getProcessor() {
+        return this;
+    }
+
+    public void process(MessageExchange exchange) throws Exception {
+        if (exchange.getStatus() == ExchangeStatus.DONE) {
+            return;
+        } else if (exchange.getStatus() == ExchangeStatus.ERROR) {
+            return;
+        }
+        Object input = jaxbContext.createUnmarshaller().unmarshal(exchange.getMessage("in").getContent());
+        Method method = methodMap.get(input.getClass());
+        if (method == null) {
+            throw new IllegalStateException("Could not determine invoked web method");
+        }
+        boolean oneWay = method.getReturnType() == null;
+        Object output;
+        try {
+            EntryPointContext entryPointContext = (EntryPointContext) ((ScaServiceUnit) serviceUnit)
+                    .getTuscanyRuntime().getModuleContext().getContext(entryPoint.getName());
+            InvocationHandler handler = (InvocationHandler) entryPointContext.getImplementationInstance();
+            output = handler.invoke(null, method, new Object[] { input });
+        } catch (UndeclaredThrowableException e) {
+            throw e;
+        } catch (RuntimeException e) {
+            throw e;
+        } catch (Error e) {
+            throw e;
+        } catch (Exception e) {
+            throw e;
+        } catch (Throwable e) {
+            throw new RuntimeException(e);
+        }
+        if (oneWay) {
+            exchange.setStatus(ExchangeStatus.DONE);
+            channel.send(exchange);
+        } else {
+            NormalizedMessage msg = exchange.createMessage();
+            exchange.setMessage(msg, "out");
+            StringWriter writer = new StringWriter();
+            jaxbContext.createMarshaller().marshal(output, writer);
+            msg.setContent(new StringSource(writer.toString()));
+            channel.send(exchange);
+        }
+    }
+
+    public void start() throws Exception {
+    }
+
+    public void stop() throws Exception {
+    }
+
+}