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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.impl;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Proxy;
import java.net.URI;
import java.util.List;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.node.Node;
import org.apache.tuscany.sca.node.NodeFactory;
import org.apache.tuscany.sca.node.impl.NodeFactoryImpl;
import org.apache.tuscany.sca.node.impl.NodeImpl;
import org.oasisopen.sca.NoSuchDomainException;
import org.oasisopen.sca.NoSuchServiceException;
import org.oasisopen.sca.client.SCAClientFactory;
import org.oasisopen.sca.client.SCAClientFactoryFinder;
public class SCAClientFactoryImpl2 extends SCAClientFactory {
public static void setSCAClientFactoryFinder(SCAClientFactoryFinder factoryFinder) {
SCAClientFactory.factoryFinder = factoryFinder;
}
public SCAClientFactoryImpl2(URI domainURI) throws NoSuchDomainException {
super(domainURI);
checkDomainURI(domainURI);
}
private void checkDomainURI(URI domainURI) throws NoSuchDomainException {
// Check for local node
String domainName = getDomainName();
for ( NodeFactory nodeFactory : NodeFactory.getNodeFactories()) {
List<Node> nodes = ((NodeFactoryImpl)nodeFactory).getNodesInDomain(domainName);
if ( !nodes.isEmpty() ) {
return;
}
}
// Check for remote node
SCAClientHandler handler = new SCAClientHandler(domainName, null, null);
handler.checkDomain();
}
@SuppressWarnings("unchecked")
@Override
public <T> T getService(Class<T> serviceInterface, String serviceName) throws NoSuchServiceException, NoSuchDomainException {
boolean foundDomain = false;
for (NodeFactory nodeFactory : NodeFactory.getNodeFactories()) {
for (Node node : ((NodeFactoryImpl)nodeFactory).getNodesInDomain(getDomainName())) {
foundDomain = true;
for (Endpoint ep : ((NodeImpl)node).getServiceEndpoints()) {
if (ep.matches(serviceName)) {
return node.getService(serviceInterface, serviceName);
}
}
}
}
// assume that if a local node with the looked for domain name is found then that will
// know about all services in the domain so if the service isn't found then it doesn't exist
if (foundDomain) {
throw new NoSuchServiceException(serviceName);
}
InvocationHandler handler = new SCAClientHandler(getDomainURI().toString(), serviceName, serviceInterface);
return (T)Proxy.newProxyInstance(serviceInterface.getClassLoader(), new Class[]{serviceInterface}, handler);
}
private String getDomainName() {
// TODO: if the domain URI encodes config (eg uri:someDomain?bla=etc) then need to parse the domain name
String domainName = getDomainURI().toString();
return domainName;
}
}
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