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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta3-RC2/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientFactoryImpl.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta3-RC2/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientFactoryImpl.java b/sca-java-2.x/tags/2.0-Beta3-RC2/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientFactoryImpl.java new file mode 100644 index 0000000000..7c4afb2660 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta3-RC2/modules/sca-client-impl/src/main/java/org/apache/tuscany/sca/client/impl/SCAClientFactoryImpl.java @@ -0,0 +1,123 @@ +/* + * 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.net.URI; +import java.security.AccessController; +import java.security.PrivilegedAction; +import java.util.List; + +import org.apache.tuscany.sca.assembly.Endpoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.ExtensionPointRegistryLocator; +import org.apache.tuscany.sca.runtime.DomainRegistry; +import org.apache.tuscany.sca.runtime.ExtensibleDomainRegistryFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.oasisopen.sca.NoSuchDomainException; +import org.oasisopen.sca.NoSuchServiceException; +import org.oasisopen.sca.client.SCAClientFactory; +import org.oasisopen.sca.client.SCAClientFactoryFinder; + +public class SCAClientFactoryImpl extends SCAClientFactory { + + protected ExtensionPointRegistry extensionPointRegistry; + protected DomainRegistry domainRegistry; + protected boolean remoteClient; + + public static URI default_domainURI = URI.create("default"); + + public static SCAClientFactoryFinder getSCAClientFactoryFinder() { + return SCAClientFactory.factoryFinder; + } + + public static void setSCAClientFactoryFinder(SCAClientFactoryFinder factoryFinder) { + SCAClientFactory.factoryFinder = factoryFinder; + } + + public SCAClientFactoryImpl(URI domainURI) throws NoSuchDomainException { + super(domainURI == null ? default_domainURI : domainURI); + findLocalRuntime(); + } + + protected void findLocalRuntime() throws NoSuchDomainException { + String domainURI = getDomainURI().toString(); + for (ExtensionPointRegistry xpr : ExtensionPointRegistryLocator.getExtensionPointRegistries()) { + ExtensibleDomainRegistryFactory drf = ExtensibleDomainRegistryFactory.getInstance(xpr); + for (DomainRegistry epr : drf.getEndpointRegistries()) { + if (domainURI.equals(epr.getDomainName())) { + this.extensionPointRegistry = xpr; + this.domainRegistry = epr; + return; + } + } + } + + remoteClient = true; + extensionPointRegistry = RuntimeUtils.createExtensionPointRegistry(); + domainRegistry = RuntimeUtils.getClientEndpointRegistry(extensionPointRegistry, domainURI); + } + + @Override + public <T> T getService(Class<T> serviceInterface, 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); + } + } + + // The service is a component in a local runtime + if (!remoteClient) { + List<Endpoint> endpoints = domainRegistry.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(serviceInterface, serviceName).getService(); + } + } + + InvocationHandler handler; + if (!remoteClient) { + // There is a local runtime but the service is a remote component + handler = new RemoteServiceInvocationHandler(extensionPointRegistry, domainRegistry, serviceURI, serviceInterface); + } else { + // no local runtime + handler = new RemoteServiceInvocationHandler(extensionPointRegistry, domainRegistry, getDomainURI().toString(), serviceURI, serviceInterface); + } + if (serviceInterface == null) { + serviceInterface = (Class<T>)((RemoteServiceInvocationHandler)handler).serviceInterface; + } + + final Class _serviceInterface = serviceInterface; + ClassLoader cl = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() { + public ClassLoader run() { + return _serviceInterface.getClassLoader(); + } + }); + + return (T)Proxy.newProxyInstance(cl, new Class[]{serviceInterface}, handler); + } +} |