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Diffstat (limited to '')
| -rw-r--r-- | sca-java-2.x/trunk/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/Handler2.java | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/sca-java-2.x/trunk/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/Handler2.java b/sca-java-2.x/trunk/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/Handler2.java new file mode 100644 index 0000000000..16252ed94c --- /dev/null +++ b/sca-java-2.x/trunk/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/Handler2.java @@ -0,0 +1,280 @@ +/* + * 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.Proxy; +import java.util.List; +import java.util.Properties; + +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.DefaultExtensionPointRegistry; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.core.assembly.RuntimeAssemblyFactory; +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.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.apache.tuscany.sca.work.WorkScheduler; +import org.oasisopen.sca.NoSuchDomainException; +import org.oasisopen.sca.NoSuchServiceException; +import org.oasisopen.sca.ServiceRuntimeException; + +public class Handler2 { + + private Properties properties; + private ExtensionPointRegistry extensionPointRegistry; + private EndpointRegistry endpointRegistry; + private boolean localRuntime; + private boolean closableClient; + private String domainURI; + + + public Handler2(ExtensionPointRegistry extensionPointRegistry, EndpointRegistry endpointRegistry, Properties properties) { + this.extensionPointRegistry = extensionPointRegistry; + this.endpointRegistry = endpointRegistry; + this.localRuntime = true; + this.properties = properties; + initCloseable(properties); + } + + public Handler2(String domainURI, Properties properties) throws NoSuchDomainException { + this.domainURI = domainURI; + this.properties = properties; + initCloseable(properties); + initExtensionPointRegistry(); + } + + + private void initExtensionPointRegistry() throws NoSuchDomainException { + this.extensionPointRegistry = new DefaultExtensionPointRegistry(); + extensionPointRegistry.start(); + + FactoryExtensionPoint modelFactories = extensionPointRegistry.getExtensionPoint(FactoryExtensionPoint.class); + RuntimeAssemblyFactory assemblyFactory = new RuntimeAssemblyFactory(extensionPointRegistry); + modelFactories.addFactory(assemblyFactory); + + UtilityExtensionPoint utilities = extensionPointRegistry.getExtensionPoint(UtilityExtensionPoint.class); + + properties.setProperty("client", "true"); + + utilities.getUtility(RuntimeProperties.class).setProperties(properties); + utilities.getUtility(WorkScheduler.class); + + // Initialize the Tuscany module activators + // The module activators will be started + extensionPointRegistry.getExtensionPoint(ModuleActivatorExtensionPoint.class); + + getEndpointRegistry(); + } + + private EndpointRegistry getEndpointRegistry() throws NoSuchDomainException { + DomainRegistryFactory domainRegistryFactory = ExtensibleDomainRegistryFactory.getInstance(extensionPointRegistry); + + 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 { + return domainRegistryFactory.getEndpointRegistry(registryURI, domainURI); + } catch (Exception e) { + throw new NoSuchDomainException(domainURI, e); + } + } + + + private void initCloseable(Properties properties) { + String s = properties.getProperty("org.apache.tuscany.sca.client.closeable"); + closableClient = (s != null) && Boolean.parseBoolean(s); + } + + public <T> T getService(Class<T> interfaze, String serviceURI) throws NoSuchServiceException, NoSuchDomainException { + String serviceName = null; + if (serviceURI.contains("/")) { + int i = serviceURI.indexOf("/"); + if (i < serviceURI.length() - 1) { + serviceName = serviceURI.substring(i + 1); + } + } + + if (localRuntime) { + return localRuntimeService(interfaze, serviceURI, serviceName); + } else { + return remoteService(interfaze, serviceURI, serviceName); + } + } + + private <T> T remoteService(Class<T> interfaze, String serviceURI, String serviceName) throws NoSuchDomainException { + InvocationHandler handler = new SCAClientHandler(domainURI, serviceURI, interfaze, properties); + return (T)Proxy.newProxyInstance(interfaze.getClassLoader(), new Class[]{interfaze}, handler); + } + + private void initRegistries() { + // TODO Auto-generated method stub + } + + private <T> T localRuntimeService(Class<T> interfaze, String serviceURI, String serviceName) + throws NoSuchServiceException { + List<Endpoint> endpoints = endpointRegistry.findEndpoint(serviceURI); + if (endpoints.size() < 1) { + throw new NoSuchServiceException(serviceURI); + } + + Endpoint ep = endpoints.get(0); + if (((RuntimeComponent)ep.getComponent()).getComponentContext() != null) { + return ((RuntimeComponent)ep.getComponent()).getServiceReference(interfaze, serviceName).getService(); + } else { + return getRemoteProxy(interfaze, ep); + } + } + + private <T> T getRemoteProxy(Class<T> serviceInterface, Endpoint endpoint) throws NoSuchServiceException { + FactoryExtensionPoint factories = extensionPointRegistry.getExtensionPoint(FactoryExtensionPoint.class); + AssemblyFactory assemblyFactory = factories.getFactory(AssemblyFactory.class); + JavaInterfaceFactory javaInterfaceFactory = factories.getFactory(JavaInterfaceFactory.class); + ProxyFactory proxyFactory = + new ExtensibleProxyFactory(extensionPointRegistry.getExtensionPoint(ProxyFactoryExtensionPoint.class)); + + CompositeContext compositeContext = + new CompositeContext(extensionPointRegistry, endpointRegistry, null, null, null, null); + + RuntimeEndpointReference epr; + try { + epr = + createEndpointReference(javaInterfaceFactory, + compositeContext, + assemblyFactory, + endpoint, + serviceInterface); + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + + return proxyFactory.createProxy(serviceInterface, epr); + } + + 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; + } + + 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; + } +} |