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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.core.context.impl;
import java.util.List;
import javax.security.auth.Subject;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.context.CallableReferenceExt;
import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory;
import org.apache.tuscany.sca.core.invocation.ProxyFactory;
import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint;
import org.apache.tuscany.sca.core.invocation.ThreadMessageContext;
import org.apache.tuscany.sca.core.invocation.impl.CallbackReferenceImpl;
import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.runtime.EndpointReference;
import org.apache.tuscany.sca.runtime.ReferenceParameters;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;
import org.apache.tuscany.sca.runtime.RuntimeWire;
import org.oasisopen.sca.CallableReference;
import org.oasisopen.sca.RequestContext;
/**
* @version $Rev$ $Date$
*/
public class RequestContextImpl implements RequestContext {
private ProxyFactoryExtensionPoint proxyFactoryExtensionPoint;
public RequestContextImpl(RuntimeComponent component) {
ExtensionPointRegistry registry = component.getComponentContext().getExtensionPointRegistry();
proxyFactoryExtensionPoint = registry.getExtensionPoint(ProxyFactoryExtensionPoint.class);
}
public Subject getSecuritySubject() {
Subject subject = null;
for (Object header : ThreadMessageContext.getMessageContext().getHeaders()){
if (header instanceof Subject){
subject = (Subject)header;
break;
}
}
return subject;
}
public String getServiceName() {
return ThreadMessageContext.getMessageContext().getTo().getContract().getName();
}
public <B> CallableReference<B> getServiceReference() {
Message msgContext = ThreadMessageContext.getMessageContext();
// FIXME: [rfeng] Is this the service reference matching the caller side?
EndpointReference to = msgContext.getTo();
RuntimeComponentService service = (RuntimeComponentService) to.getContract();
RuntimeComponent component = (RuntimeComponent) to.getComponent();
CallableReference<B> callableReference = component.getComponentContext().getCallableReference(null, component, service);
ReferenceParameters parameters = msgContext.getFrom().getReferenceParameters();
((CallableReferenceExt<B>) callableReference).attachCallbackID(parameters.getCallbackID());
((CallableReferenceExt<B>) callableReference).attachConversation(parameters.getConversationID());
return callableReference;
}
public <CB> CB getCallback() {
CallableReference<CB> cb = getCallbackReference();
if (cb == null) {
return null;
}
return cb.getService();
}
@SuppressWarnings("unchecked")
public <CB> CallableReference<CB> getCallbackReference() {
Message msgContext = ThreadMessageContext.getMessageContext();
EndpointReference to = msgContext.getTo();
RuntimeComponentService service = (RuntimeComponentService) to.getContract();
RuntimeComponentReference callbackReference = (RuntimeComponentReference)service.getCallbackReference();
if (callbackReference == null) {
return null;
}
JavaInterface javaInterface = (JavaInterface) callbackReference.getInterfaceContract().getInterface();
Class<CB> javaClass = (Class<CB>)javaInterface.getJavaClass();
List<RuntimeWire> wires = callbackReference.getRuntimeWires();
ProxyFactory proxyFactory = new ExtensibleProxyFactory(proxyFactoryExtensionPoint);
CallbackReferenceImpl ref = CallbackReferenceImpl.newInstance(javaClass, proxyFactory, wires);
if (ref != null) {
//ref.resolveTarget();
ReferenceParameters parameters = msgContext.getFrom().getReferenceParameters();
ref.attachCallbackID(parameters.getCallbackID());
if (ref.getConversation() != null) {
ref.attachConversationID(parameters.getConversationID());
}
}
return ref;
}
}
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