diff options
author | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-07-19 02:50:53 +0000 |
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committer | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-07-19 02:50:53 +0000 |
commit | f59fca36e7538cafbd6032003c7b06d64862a2bf (patch) | |
tree | e5b1222e40a7abc8b945195df39ab97c5eb5729c /sandbox/sebastien/java/dynamic/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java | |
parent | 1a8707aa6ad5e22117a9f17e88322a6ee824aa44 (diff) |
Branch to experiment with dynamic component interfaces and implementations.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@965346 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sandbox/sebastien/java/dynamic/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java')
-rw-r--r-- | sandbox/sebastien/java/dynamic/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/dynamic/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java b/sandbox/sebastien/java/dynamic/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java new file mode 100644 index 0000000000..5d0527682e --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java @@ -0,0 +1,123 @@ +/* + * 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.assembly.Endpoint; +import org.apache.tuscany.sca.assembly.EndpointReference; +import org.apache.tuscany.sca.context.ThreadMessageContext; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.invocation.Message; +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.RuntimeEndpoint; +import org.oasisopen.sca.RequestContext; +import org.oasisopen.sca.ServiceReference; + +/** + * @version $Rev$ $Date$ + */ +public class RequestContextImpl implements RequestContext { + + public RequestContextImpl(RuntimeComponent component) { + } + + public Subject getSecuritySubject() { + + Message msgContext = ThreadMessageContext.getMessageContext(); + + if (msgContext == null){ + // message in thread context could be null if the user has + // spun up a new thread inside their component implementation + return null; + } + + Subject subject = null; + for (Object header : msgContext.getHeaders().values()){ + if (header instanceof Subject){ + subject = (Subject)header; + break; + } + } + return subject; + } + + public String getServiceName() { + Message msgContext = ThreadMessageContext.getMessageContext(); + + if (msgContext != null){ + return msgContext.getTo().getService().getName(); + } else { + // message in thread context could be null if the user has + // spun up a new thread inside their component implementation + return null; + } + } + + public <B> ServiceReference<B> getServiceReference() { + Message msgContext = ThreadMessageContext.getMessageContext(); + if (msgContext == null){ + // message in thread context could be null if the user has + // spun up a new thread inside their component implementation + return null; + } + // FIXME: [rfeng] Is this the service reference matching the caller side? + RuntimeEndpoint to = (RuntimeEndpoint) msgContext.getTo(); + RuntimeComponent component = (RuntimeComponent) to.getComponent(); + + ServiceReference<B> callableReference = component.getComponentContext().getServiceReference(null, to); + + return callableReference; + } + + public <CB> CB getCallback() { + ServiceReference<CB> cb = getCallbackReference(); + if (cb == null) { + return null; + } + return cb.getService(); + } + + @SuppressWarnings("unchecked") + public <CB> ServiceReference<CB> getCallbackReference() { + Message msgContext = ThreadMessageContext.getMessageContext(); + if (msgContext == null){ + // message in thread context could be null if the user has + // spun up a new thread inside their component implementation + return null; + } + + Endpoint to = msgContext.getTo(); + RuntimeComponentService service = (RuntimeComponentService) to.getService(); + RuntimeComponentReference callbackReference = (RuntimeComponentReference)service.getCallbackReference(); + if (callbackReference == null) { + return null; + } + JavaInterface javaInterface = (JavaInterface) callbackReference.getInterfaceContract().getInterface(); + Class<CB> javaClass = (Class<CB>)javaInterface.getJavaClass(); + List<EndpointReference> wires = callbackReference.getEndpointReferences(); + ServiceReferenceImpl ref = new CallbackServiceReferenceImpl(javaClass, wires); + + return ref; + } +} |