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author | slaws <slaws@13f79535-47bb-0310-9956-ffa450edef68> | 2010-11-02 13:01:07 +0000 |
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committer | slaws <slaws@13f79535-47bb-0310-9956-ffa450edef68> | 2010-11-02 13:01:07 +0000 |
commit | 54dcf777e655a94049d8000f8f7b15846f1d54e6 (patch) | |
tree | a2cc990cf48e1377396b975fff9855ecfd18f1e0 /sca-java-2.x/tags/2.0-Beta1-RC2/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientHandler.java | |
parent | cab9e5e0c2ee4bd15ba65625fd9ff75ced777c75 (diff) |
Tag for 2.0-Beta1-RC2
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1030026 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta1-RC2/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientHandler.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC2/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientHandler.java | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC2/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientHandler.java b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientHandler.java new file mode 100644 index 0000000000..59d90bb3cd --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientHandler.java @@ -0,0 +1,246 @@ +/* + * 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.sca.client.impl; + +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; +import java.util.List; +import java.util.Properties; +import java.util.UUID; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.Component; +import org.apache.tuscany.sca.assembly.ComponentReference; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.Endpoint; +import org.apache.tuscany.sca.assembly.EndpointReference; +import org.apache.tuscany.sca.assembly.Multiplicity; +import org.apache.tuscany.sca.assembly.Service; +import org.apache.tuscany.sca.context.CompositeContext; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint; +import org.apache.tuscany.sca.interfacedef.Interface; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.node.NodeFactory; +import org.apache.tuscany.sca.node.impl.NodeFactoryImpl; +import org.apache.tuscany.sca.runtime.DomainRegistryFactory; +import org.apache.tuscany.sca.runtime.EndpointRegistry; +import org.apache.tuscany.sca.runtime.ExtensibleDomainRegistryFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; +import org.apache.tuscany.sca.runtime.RuntimeProperties; +import org.oasisopen.sca.NoSuchDomainException; +import org.oasisopen.sca.NoSuchServiceException; +import org.oasisopen.sca.ServiceRuntimeException; + +public class SCAClientHandler implements InvocationHandler { + + private String domainURI; + private String serviceName; + private Class<?> serviceInterface; + + public SCAClientHandler(String domainURI, String serviceName, Class<?> serviceInterface) { + this.domainURI = domainURI; + this.serviceName = serviceName; + this.serviceInterface = serviceInterface; + } + + public void checkDomain() throws NoSuchDomainException { + NodeFactoryImpl nodeFactory = (NodeFactoryImpl)NodeFactory.newInstance(domainURI); + try { + nodeFactory.init(); + + ExtensionPointRegistry extensionsRegistry = nodeFactory.getExtensionPointRegistry(); + Properties props = extensionsRegistry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(RuntimeProperties.class).getProperties(); + props.setProperty("client", "true"); + DomainRegistryFactory domainRegistryFactory = ExtensibleDomainRegistryFactory.getInstance(extensionsRegistry); + + String registryURI = domainURI; + + // TODO: theres better ways to do this but this gets things working for now + if (registryURI.indexOf(":") == -1) { + registryURI = "tuscanyclient:" + registryURI; + } + if (registryURI.startsWith("uri:")) { + registryURI = "tuscanyclient:" + registryURI.substring(4); + } + if (registryURI.startsWith("tuscany:")) { + registryURI = "tuscanyclient:" + registryURI.substring(8); + } + + + try { + domainRegistryFactory.getEndpointRegistry(registryURI, domainURI); + } catch (Exception e) { + throw new NoSuchDomainException(domainURI, e); + } + } finally { + nodeFactory.destroy(); + } + } + + + + public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { + NodeFactoryImpl nodeFactory = (NodeFactoryImpl)NodeFactory.newInstance(domainURI); + try { + nodeFactory.init(); + + ExtensionPointRegistry extensionsRegistry = nodeFactory.getExtensionPointRegistry(); + Properties props = extensionsRegistry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(RuntimeProperties.class).getProperties(); + props.setProperty("client", "true"); + DomainRegistryFactory domainRegistryFactory = ExtensibleDomainRegistryFactory.getInstance(extensionsRegistry); + + String registryURI = domainURI; + + // TODO: theres better ways to do this but this gets things working for now + if (registryURI.indexOf(":") == -1) { + registryURI = "tuscanyclient:" + registryURI; + } + if (registryURI.startsWith("uri:")) { + registryURI = "tuscanyclient:" + registryURI.substring(4); + } + if (registryURI.startsWith("tuscany:")) { + registryURI = "tuscanyclient:" + registryURI.substring(8); + } + + EndpointRegistry endpointRegistry; + try { + endpointRegistry = domainRegistryFactory.getEndpointRegistry(registryURI, domainURI); + } catch (Exception e) { + throw new NoSuchDomainException(domainURI, e); + } + + FactoryExtensionPoint factories = extensionsRegistry.getExtensionPoint(FactoryExtensionPoint.class); + AssemblyFactory assemblyFactory = factories.getFactory(AssemblyFactory.class); + JavaInterfaceFactory javaInterfaceFactory = factories.getFactory(JavaInterfaceFactory.class); + ProxyFactory proxyFactory = new ExtensibleProxyFactory(extensionsRegistry.getExtensionPoint(ProxyFactoryExtensionPoint.class)); + + String client = "sca.client." + UUID.randomUUID(); + CompositeContext compositeContext = + new CompositeContext(extensionsRegistry, endpointRegistry, null, domainURI.toString(), client, nodeFactory.getDeployer().getSystemDefinitions()); + + List<Endpoint> eps = endpointRegistry.findEndpoint(serviceName); + if (eps == null || eps.size() < 1) { + throw new NoSuchServiceException(serviceName); + } + Endpoint endpoint = eps.get(0); // TODO: what should be done with multiple endpoints? + + RuntimeEndpointReference epr; + try { + epr = createEndpointReference(javaInterfaceFactory, compositeContext, assemblyFactory, endpoint, serviceInterface); + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + + InvocationHandler handler = Proxy.getInvocationHandler(proxyFactory.createProxy(serviceInterface, epr)); + return handler.invoke(proxy, method, args); + + } finally { + nodeFactory.destroy(); + } + } + + private RuntimeEndpointReference createEndpointReference(JavaInterfaceFactory javaInterfaceFactory, CompositeContext compositeContext, AssemblyFactory assemblyFactory, Endpoint endpoint, Class<?> businessInterface) throws CloneNotSupportedException, InvalidInterfaceException { + Component component = endpoint.getComponent(); + ComponentService service = endpoint.getService(); + ComponentReference componentReference = assemblyFactory.createComponentReference(); + componentReference.setName("sca.client." + service.getName()); + + componentReference.setCallback(service.getCallback()); + componentReference.getTargets().add(service); + componentReference.getPolicySets().addAll(service.getPolicySets()); + componentReference.getRequiredIntents().addAll(service.getRequiredIntents()); + componentReference.getBindings().add(endpoint.getBinding()); + + InterfaceContract interfaceContract = service.getInterfaceContract(); + Service componentTypeService = service.getService(); + if (componentTypeService != null && componentTypeService.getInterfaceContract() != null) { + interfaceContract = componentTypeService.getInterfaceContract(); + } + interfaceContract = getInterfaceContract(javaInterfaceFactory, interfaceContract, businessInterface); + componentReference.setInterfaceContract(interfaceContract); + componentReference.setMultiplicity(Multiplicity.ONE_ONE); + // component.getReferences().add(componentReference); + + // create endpoint reference + EndpointReference endpointReference = assemblyFactory.createEndpointReference(); + endpointReference.setComponent(component); + endpointReference.setReference(componentReference); + endpointReference.setBinding(endpoint.getBinding()); + endpointReference.setUnresolved(false); + endpointReference.setStatus(EndpointReference.Status.WIRED_TARGET_FOUND_AND_MATCHED); + + endpointReference.setTargetEndpoint(endpoint); + + componentReference.getEndpointReferences().add(endpointReference); + ((RuntimeComponentReference)componentReference).setComponent((RuntimeComponent)component); + ((RuntimeEndpointReference)endpointReference).bind(compositeContext); + + return (RuntimeEndpointReference) endpointReference; + } + + /** + * @param interfaceContract + * @param businessInterface + * @return + * @throws CloneNotSupportedException + * @throws InvalidInterfaceException + */ + private InterfaceContract getInterfaceContract(JavaInterfaceFactory javaInterfaceFactory, InterfaceContract interfaceContract, Class<?> businessInterface) + throws CloneNotSupportedException, InvalidInterfaceException { + if (businessInterface == null) { + return interfaceContract; + } + boolean compatible = false; + if (interfaceContract != null && interfaceContract.getInterface() != null) { + Interface interfaze = interfaceContract.getInterface(); + if (interfaze instanceof JavaInterface) { + Class<?> cls = ((JavaInterface)interfaze).getJavaClass(); + if (cls != null && businessInterface.isAssignableFrom(cls)) { + compatible = true; + } + } + } + + if (!compatible) { + // The interface is not assignable from the interface contract + interfaceContract = javaInterfaceFactory.createJavaInterfaceContract(); + JavaInterface callInterface = javaInterfaceFactory.createJavaInterface(businessInterface); + interfaceContract.setInterface(callInterface); + if (callInterface.getCallbackClass() != null) { + interfaceContract.setCallbackInterface(javaInterfaceFactory.createJavaInterface(callInterface + .getCallbackClass())); + } + } + + return interfaceContract; + } + +} |