1 files changed, 116 insertions, 0 deletions
diff --git a/sandbox/old/contrib/binding-osgi/src/main/java/org/apache/tuscany/osgi/binding/OSGiServiceBinding.java b/sandbox/old/contrib/binding-osgi/src/main/java/org/apache/tuscany/osgi/binding/OSGiServiceBinding.java
new file mode 100755
index 0000000000..57cae13779
--- /dev/null
+++ b/sandbox/old/contrib/binding-osgi/src/main/java/org/apache/tuscany/osgi/binding/OSGiServiceBinding.java
@@ -0,0 +1,116 @@
+/*
+ *
+ * Copyright 2006 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.osgi.binding;
+
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+import java.util.Properties;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.component.SCAObjectStartException;
+import org.apache.tuscany.spi.extension.ServiceBindingExtension;
+import org.apache.tuscany.spi.wire.WireService;
+
+import org.apache.tuscany.osgi.OSGiHost;
+import org.osgi.framework.ServiceFactory;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class OSGiServiceBinding extends ServiceBindingExtension {
+    private static final QName BINDING_OSGI = new QName("http://tuscany.apache.org/xmlns/osgi/1.0", "binding.osgi");
+    private final String osgiServiceName;
+    //private final Class<? extends Object> service;
+    private OSGiHost host;
+    private WireService wireService;
+
+    /**
+     * Creates a new service instance
+     *
+     * @param name            the name of the SCA service
+     * @param parent          the containing composite
+     * @param wireService     the wire service to use for creating proxies
+     * @param osgiServiceName the name to publish the service as to the OSGi hose
+     * @param host            the OSGi host
+     */
+    public OSGiServiceBinding(String name,
+                              CompositeComponent parent,
+                              WireService wireService,
+                              String osgiServiceName,
+                              OSGiHost host) {
+        super(name, parent);
+        this.osgiServiceName = osgiServiceName;
+        //this.service = service;
+        this.wireService = wireService;
+        this.host = host;
+    }
+
+    public void start() throws SCAObjectStartException {
+        super.start();
+        Properties properties = new Properties();
+        Object instance;
+        Class<?> clazz = inboundWire.getServiceContract().getInterfaceClass();
+        instance = wireService.createProxy(clazz, inboundWire);
+        if (instance instanceof ServiceFactory) {
+            host.registerService(osgiServiceName, instance, properties);
+        } else {
+            ServiceFactoryProxyHandler factoryProxy = new ServiceFactoryProxyHandler(instance);
+            Class<?> interfaces[] = instance.getClass().getInterfaces();
+            Class<?> proxyInterfaces[] = new Class<?>[interfaces.length + 1];
+            int i;
+            for (i = 0; i < interfaces.length; i++) {
+                proxyInterfaces[i] = interfaces[i];
+            }
+            proxyInterfaces[i] = ServiceFactory.class;
+            ClassLoader classLoader = instance.getClass().getClassLoader();
+            // TODO It seems we need a mixin capability for the service. We could add that to WireService
+            Object targetProxy = Proxy.newProxyInstance(classLoader, proxyInterfaces, factoryProxy);
+            host.registerService(osgiServiceName, targetProxy, properties);
+        }
+        //Register the service with OSGi
+    }
+
+    public void stop() {
+        super.stop();
+        //Unregister the service with OSGi
+    }
+
+    public QName getBindingType() {
+        return BINDING_OSGI;
+    }
+
+    private class ServiceFactoryProxyHandler implements InvocationHandler {
+
+        private Object instance;
+
+        public ServiceFactoryProxyHandler(Object instance) {
+            this.instance = instance;
+        }
+
+        public Object invoke(Object object, Method method, Object[] parms) throws Throwable {
+            if (method.getName().equals("getService")) {
+                return instance;
+            } else if (method.getName().equals("ungetService")) {
+                return null;
+            }
+            return method.invoke(instance, parms);
+        }
+
+    }
+}