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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.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Properties;
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;
protected boolean onlySCABinding;
private EndpointFinder endpointFinder;
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();
endpointFinder = RuntimeUtils.getEndpointFinder(extensionPointRegistry);
}
public SCAClientFactoryImpl(URI domainURI, Properties properties) throws NoSuchDomainException {
this(domainURI);
}
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{
// The service is a component in a local runtime
if (!remoteClient) {
Endpoint ep = endpointFinder.findEndpoint(domainRegistry, serviceURI);
if (((RuntimeComponent)ep.getComponent()).getComponentContext() != null) {
String serviceName = ep.getService().getName() + '/' + ep.getBinding().getName();
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
// TUSCANY-3590 - convert NoSuchDomainException to NoSuchService exception while
// we findout why this interface has changed
try {
handler = new RemoteServiceInvocationHandler(extensionPointRegistry, domainRegistry, getDomainURI().toString(), serviceURI, serviceInterface);
} catch (NoSuchDomainException ex){
throw new NoSuchServiceException(ex);
}
}
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);
}
}
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