diff options
author | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
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committer | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
commit | bdd0a41aed7edf21ec2a65cfa17a86af2ef8c48a (patch) | |
tree | 38a92061c0793434c4be189f1d70c3458b6bc41d /sandbox/old/contrib/binding-osgi/src/main/java/org/apache/tuscany/osgi/binding/OSGiServiceBinding.java |
Move Tuscany from Incubator to top level.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sandbox/old/contrib/binding-osgi/src/main/java/org/apache/tuscany/osgi/binding/OSGiServiceBinding.java')
-rwxr-xr-x | sandbox/old/contrib/binding-osgi/src/main/java/org/apache/tuscany/osgi/binding/OSGiServiceBinding.java | 116 |
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); + } + + } +} |