From 94fe4f9f4c1c02bd655e0be72c5ee9c9cb22941c Mon Sep 17 00:00:00 2001 From: rfeng Date: Thu, 26 Jul 2012 18:20:29 +0000 Subject: Add the remoteEndpoints configuration for node.xml to define statically-configured remote endpoints git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1366125 13f79535-47bb-0310-9956-ffa450edef68 --- .../xml/RemoteEndpointsProcessor.java | 134 +++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 sca-java-2.x/trunk/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/RemoteEndpointsProcessor.java (limited to 'sca-java-2.x/trunk/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/RemoteEndpointsProcessor.java') diff --git a/sca-java-2.x/trunk/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/RemoteEndpointsProcessor.java b/sca-java-2.x/trunk/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/RemoteEndpointsProcessor.java new file mode 100644 index 0000000000..dc4b79e099 --- /dev/null +++ b/sca-java-2.x/trunk/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/configuration/xml/RemoteEndpointsProcessor.java @@ -0,0 +1,134 @@ +/* + * 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.node.configuration.xml; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.assembly.Component; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.assembly.Endpoint; +import org.apache.tuscany.sca.assembly.xml.BaseAssemblyProcessor; +import org.apache.tuscany.sca.assembly.xml.Constants; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; +import org.apache.tuscany.sca.contribution.processor.ContributionWriteException; +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.policy.PolicySet; + +/** + * A StaX processor for remote endpoints + */ +public class RemoteEndpointsProcessor extends BaseAssemblyProcessor implements StAXArtifactProcessor { + private final static String ENDPOINT = "remoteEndpoints"; + private final static QName ENDPOINT_QNAME = new QName(Constants.SCA11_TUSCANY_NS, ENDPOINT); + + private ExtensionPointRegistry registry; + + public RemoteEndpointsProcessor(ExtensionPointRegistry registry, + StAXArtifactProcessor extensionProcessor, + StAXAttributeProcessor extensionAttributeProcessor) { + + super(modelFactories(registry), extensionProcessor); + this.registry = registry; + } + + /** + * Returns the model factory extension point to use. + * + * @param extensionPoints + * @return + */ + private static FactoryExtensionPoint modelFactories(ExtensionPointRegistry extensionPoints) { + return extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); + } + + public QName getArtifactType() { + return ENDPOINT_QNAME; + } + + public RemoteEndpoints read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException, + XMLStreamException { + RemoteEndpoints endpoints = new RemoteEndpoints(); + if (reader.getEventType() == XMLStreamConstants.START_DOCUMENT) { + reader.nextTag(); + } + if (reader.getEventType() == XMLStreamConstants.START_ELEMENT && ENDPOINT_QNAME.equals(reader.getName())) { + // Skip the "endpoint" element wrapper + reader.nextTag(); + } + Object model = extensionProcessor.read(reader, context); + if (model instanceof Composite) { + Composite composite = (Composite)model; + for (Component component : composite.getComponents()) { + if (component.getURI() == null) { + // Default to the component name as the uri + component.setURI(component.getName()); + } + for (ComponentService service : component.getServices()) { + for (Binding binding : service.getBindings()) { + Endpoint endpoint = assemblyFactory.createEndpoint(); + endpoint.setComponent(component); + endpoint.setService(service); + endpoint.setBinding(binding); + + // retrieve the stash of intents and policy sets from the component + endpoint.getRequiredIntents().addAll(component.getRequiredIntents()); + endpoint.getPolicySets().addAll(component.getPolicySets()); + + endpoints.add(endpoint); + } + } + } + } + return endpoints; + } + + public void write(RemoteEndpoints model, XMLStreamWriter writer, ProcessorContext context) + throws ContributionWriteException, XMLStreamException { + + } + + public Class getModelType() { + return RemoteEndpoints.class; + } + + public void resolve(RemoteEndpoints model, ModelResolver resolver, ProcessorContext context) + throws ContributionResolveException { + // the only thing we'll resolve here is the policy model as the endpoint + // matching algorithm needs to look inside the policy model + + for (Endpoint endpoint : model) { + for (PolicySet policySet : endpoint.getPolicySets()) { + extensionProcessor.resolve(policySet, resolver, context); + } + } + } +} -- cgit v1.2.3