diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-M5.1-RC1/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/xml')
-rw-r--r-- | sca-java-2.x/tags/2.0-M5.1-RC1/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/xml/WebImplementationProcessor.java | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-M5.1-RC1/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/xml/WebImplementationProcessor.java b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/xml/WebImplementationProcessor.java new file mode 100644 index 0000000000..afcc85b58f --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/xml/WebImplementationProcessor.java @@ -0,0 +1,126 @@ +/* + * 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.implementation.web.xml; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.ComponentType; +import org.apache.tuscany.sca.assembly.xml.Constants; +import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; +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.resolver.ModelResolver; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.implementation.web.WebImplementation; +import org.apache.tuscany.sca.implementation.web.WebImplementationFactory; +import org.apache.tuscany.sca.implementation.web.impl.WebImplementationFactoryImpl; + +/** + * Implements a StAX artifact processor for Web implementations. + */ +public class WebImplementationProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<WebImplementation> { + private static final QName IMPLEMENTATION_WEB = new QName(Constants.SCA11_NS, "implementation.web"); + + private AssemblyFactory assemblyFactory; + private WebImplementationFactory implementationFactory; + + public WebImplementationProcessor(ExtensionPointRegistry extensionPoints) { + FactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); + this.assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + this.implementationFactory = new WebImplementationFactoryImpl(); + } + + public QName getArtifactType() { + // Returns the QName of the XML element processed by this processor + return IMPLEMENTATION_WEB; + } + + public Class<WebImplementation> getModelType() { + // Returns the type of model processed by this processor + return WebImplementation.class; + } + + public WebImplementation read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException, XMLStreamException { + + // Read an <implementation.web> element + WebImplementation implementation = implementationFactory.createWebImplementation(); + implementation.setUnresolved(true); + + // Read the webapp uri attribute + String webURI = getString(reader, "web-uri"); + if (webURI != null) { + implementation.setWebURI(webURI); + + // Set the URI of the component type + implementation.setURI(webURI); + } + + String jsClient = reader.getAttributeValue(Constants.SCA11_TUSCANY_NS, "jsClient"); + if (jsClient != null) { + implementation.setJSClient(Boolean.parseBoolean(jsClient)); + } + + // Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && IMPLEMENTATION_WEB.equals(reader.getName())) { + break; + } + } + + return implementation; + } + + public void resolve(WebImplementation implementation, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { + + // Resolve the component type + String uri = implementation.getURI(); + if (uri != null) { + ComponentType componentType = assemblyFactory.createComponentType(); + componentType.setURI("web.componentType"); + componentType = resolver.resolveModel(ComponentType.class, componentType, context); + if (!componentType.isUnresolved()) { + + // Initialize the implementation's services, references and properties + implementation.getServices().addAll(componentType.getServices()); + implementation.getReferences().addAll(componentType.getReferences()); + implementation.getProperties().addAll(componentType.getProperties()); + } + } + implementation.setUnresolved(false); + } + + public void write(WebImplementation implementation, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, XMLStreamException { + + // Write <implementation.web> + writeStart(writer, IMPLEMENTATION_WEB.getNamespaceURI(), IMPLEMENTATION_WEB.getLocalPart(), + new XAttr("web-uri", implementation.getWebURI())); + + writeEnd(writer); + } +} |