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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.container.rhino.context;
import org.apache.tuscany.container.rhino.rhino.RhinoScript;
import org.apache.tuscany.core.context.AtomicContext;
import org.apache.tuscany.core.context.CoreRuntimeException;
import org.apache.tuscany.core.context.QualifiedName;
import org.apache.tuscany.core.context.TargetException;
import org.apache.tuscany.core.context.event.InstanceCreated;
import org.apache.tuscany.core.context.impl.AbstractContext;
import org.apache.tuscany.core.wire.ProxyCreationException;
import org.apache.tuscany.core.wire.WireFactory;
import org.apache.tuscany.core.wire.SourceWireFactory;
import org.apache.tuscany.core.wire.TargetWireFactory;
import org.osoa.sca.ServiceRuntimeException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class JavaScriptComponentContext extends AbstractContext implements AtomicContext {
private Map<String, Class> services;
private RhinoScript rhinoInvoker;
private Map<String, Object> properties;
private List<SourceWireFactory> sourceProxyFactories;
private Map<String, TargetWireFactory> targetProxyFactories;
private Object instance;
public JavaScriptComponentContext(String name, Map<String, Class> services, Map<String, Object> properties,
List<SourceWireFactory> sourceProxyFactories, Map<String, TargetWireFactory> targetProxyFactories, RhinoScript invoker) {
super(name);
assert (services != null) : "No service interface mapping specified";
assert (properties != null) : "No properties specified";
this.services = services;
this.properties = properties;
this.rhinoInvoker = invoker;
this.sourceProxyFactories = sourceProxyFactories;
this.targetProxyFactories = targetProxyFactories;
}
public Object getInstance(QualifiedName qName) throws TargetException {
return getInstance(qName, true);
}
public void init() throws TargetException {
getInstance(null, false);
}
public void destroy() throws TargetException {
}
private synchronized Object getInstance(QualifiedName qName, boolean notify) throws TargetException {
String portName = qName.getPortName();
WireFactory targetFactory;
if (portName != null) {
targetFactory = targetProxyFactories.get(portName);
} else {
//FIXME The port name is null here, either locateService needs more information (the expected interface) to
// select the correct port, or we need to return a factory that matches the whole set of services exposed by
// the component.
targetFactory = targetProxyFactories.values().iterator().next();
}
if (targetFactory == null) {
TargetException e = new TargetException("Target service not found");
e.setIdentifier(qName.getPortName());
e.addContextName(getName());
throw e;
}
try {
Object proxy = targetFactory.createProxy(); //createProxy(new Class[] { iface });
if (notify) {
publish(new InstanceCreated(this));
}
return proxy;
} catch (ProxyCreationException e) {
TargetException te = new TargetException("Error returning target", e);
e.setIdentifier(qName.getPortName());
e.addContextName(getName());
throw te;
}
}
public Object getTargetInstance() throws TargetException {
rhinoInvoker.updateScriptScope(createServiceReferences()); // create references
rhinoInvoker.updateScriptScope(properties); // create prop values
return rhinoInvoker;
}
/**
* Creates a map containing any ServiceReferences
*/
private Map createServiceReferences() {
try {
Map<String, Object> context = new HashMap<String, Object>();
for (SourceWireFactory proxyFactory : sourceProxyFactories) {
context.put(proxyFactory.getConfiguration().getReferenceName(), proxyFactory.createProxy());
}
return context;
} catch (ProxyCreationException e) {
throw new ServiceRuntimeException(e);
}
}
public boolean isEagerInit() {
return false;
}
public boolean isDestroyable() {
return false;
}
public void start() throws CoreRuntimeException {
}
public void stop() throws CoreRuntimeException {
}
}
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