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/*
* 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.rmi;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Proxy;
import java.net.URI;
import java.util.List;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.UtilityExtensionPoint;
import org.apache.tuscany.sca.node.Node;
import org.apache.tuscany.sca.node.NodeFactory;
import org.apache.tuscany.sca.node.NodeFinder;
import org.apache.tuscany.sca.node.impl.NodeImpl;
import org.apache.tuscany.sca.runtime.DomainRegistryFactory;
import org.apache.tuscany.sca.runtime.EndpointRegistry;
import org.oasisopen.sca.NoSuchDomainException;
import org.oasisopen.sca.NoSuchServiceException;
import org.oasisopen.sca.ServiceUnavailableException;
import org.oasisopen.sca.client.SCAClientFactory;
public class SCAClientFactoryImpl extends SCAClientFactory {
private EndpointRegistry endpointRegistry;
private ExtensionPointRegistry extensionsRegistry;
public SCAClientFactoryImpl() throws NoSuchDomainException {
super(URI.create(Node.DEFAULT_DOMAIN_URI));
}
public SCAClientFactoryImpl(URI domainURI) throws NoSuchDomainException {
super(domainURI);
NodeImpl node = (NodeImpl)NodeFactory.newInstance().createNode(domainURI);
if (node.getExtensionPoints() == null) {
// No local nodes have been started (for this domain?)
// ideally we'll use the Hazelcast client but for now just start a node
node.start();
}
this.extensionsRegistry = node.getExtensionPoints();
UtilityExtensionPoint utilities = extensionsRegistry.getExtensionPoint(UtilityExtensionPoint.class);
DomainRegistryFactory domainRegistryFactory = utilities.getUtility(DomainRegistryFactory.class);
this.endpointRegistry = domainRegistryFactory.getEndpointRegistry(getDomainURI().toString(), node.getConfiguration().getDomainName());
}
@Override
@SuppressWarnings("unchecked")
public <T> T getService(Class<T> serviceInterface, String serviceName) throws NoSuchServiceException, NoSuchDomainException {
if ("vm".equals(getDomainURI().getScheme())) {
return getLocalService(serviceInterface, serviceName);
} else {
InvocationHandler handler = new SCAClientProxyHandler(serviceName, extensionsRegistry, endpointRegistry);
return (T)Proxy.newProxyInstance(serviceInterface.getClassLoader(), new Class[] {serviceInterface}, handler);
}
}
private String getDomainName() {
// String uri = getDomainURI().toString();
// int i = uri.indexOf(":");
// if (i > -1 && uri.charAt(i+1) != '/') {
// uri = uri.replaceFirst(":", ":/");
// }
// if (i > -1 && uri.charAt(i+2) != '/') {
// uri = uri.replaceFirst(":/", "://");
// }
// if (i < 0) {
// return uri;
// } else {
// return URI.create(uri).getHost();
// }
return getDomainURI().toString();
}
public void stop() {
extensionsRegistry.stop();
}
public EndpointRegistry getEndpointRegistry() {
return endpointRegistry;
}
public ExtensionPointRegistry getExtensionsRegistry() {
return extensionsRegistry;
}
public <T> T getLocalService(Class<T> serviceInterface, String serviceName) throws NoSuchServiceException, NoSuchDomainException {
URI domainURI = getDomainURI();
if (domainURI == null) {
domainURI = URI.create(Node.DEFAULT_DOMAIN_URI);
}
List<Node> nodes = NodeFinder.getNodes(domainURI);
if (nodes == null || nodes.size() < 1) {
throw new NoSuchDomainException(domainURI.toString());
}
for (Node n : nodes) {
try {
return n.getService(serviceInterface, serviceName);
} catch(ServiceUnavailableException e) {
// Ingore and continue
}
}
throw new NoSuchServiceException(serviceName);
}
}
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