diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessor.java')
| -rw-r--r-- | sca-java-2.x/tags/2.0.1-RC1/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessor.java | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessor.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessor.java new file mode 100644 index 0000000000..860d3f6f45 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiComponentProcessor.java @@ -0,0 +1,174 @@ +/* + * 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.osgi.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.AssemblyFactory; +import org.apache.tuscany.sca.assembly.ComponentType; +import org.apache.tuscany.sca.assembly.Property; +import org.apache.tuscany.sca.assembly.Reference; +import org.apache.tuscany.sca.assembly.Service; +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.FactoryExtensionPoint; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; + +/* +<scr:component name="CalculatorComponent" + xmlns:scr="http://www.osgi.org/xmlns/scr/v1.0.0"> + <implementation class="calculator.dosgi.CalculatorServiceDSImpl" /> + <service> + <provide interface="calculator.dosgi.CalculatorService" /> + </service> + + <reference name="addService" interface="calculator.dosgi.operations.AddService" bind="setAddService" unbind="unsetAddService" + policy="dynamic" /> + <reference name="subtractService" interface="calculator.dosgi.operations.SubtractService" bind="setSubtractService" + unbind="unsetSubtractService" policy="dynamic" /> + <reference name="multiplyService" interface="calculator.dosgi.operations.MultiplyService" bind="setMultiplyService" + unbind="unsetMultiplyService" policy="dynamic" /> + <reference name="divideService" interface="calculator.dosgi.operations.DivideService" bind="setDivideService" + unbind="unsetDivideService" policy="dynamic" /> + +</scr:component> +*/ +public class OSGiComponentProcessor implements StAXArtifactProcessor<ComponentType> { + private static final String OSGI_SCR_NS = "http://www.osgi.org/xmlns/scr/v1.0.0"; + private static final String COMPOMENT = "component"; + private static final QName COMPONENT_QNAME = new QName(OSGI_SCR_NS, COMPOMENT); + + private AssemblyFactory factory; + private JavaInterfaceFactory javaInterfaceFactory; + + + public OSGiComponentProcessor(FactoryExtensionPoint modelFactories) { + this.factory = modelFactories.getFactory(AssemblyFactory.class); + this.javaInterfaceFactory = modelFactories.getFactory(JavaInterfaceFactory.class); + } + + public ComponentType read(XMLStreamReader reader, ProcessorContext context) throws XMLStreamException { + int event = reader.getEventType(); + ComponentType componentType = factory.createComponentType(); + while (true) { + switch (event) { + case XMLStreamConstants.START_ELEMENT: + QName name = reader.getName(); + if (COMPONENT_QNAME.equals(name)) { + // + } else if ("reference".equals(name.getLocalPart())) { + Reference ref = factory.createReference(); + ref.setName(reader.getAttributeValue(null, "name")); + String interfaceName = reader.getAttributeValue(null, "interface"); + InterfaceContract interfaceContract = javaInterfaceFactory.createJavaInterfaceContract(); + ref.setInterfaceContract(interfaceContract); + JavaInterface javaInterface = javaInterfaceFactory.createJavaInterface(); + javaInterface.setUnresolved(true); + javaInterface.setName(interfaceName); + interfaceContract.setInterface(javaInterface); + componentType.getReferences().add(ref); + } else if ("provide".equals(name.getLocalPart())) { + Service service = factory.createService(); + String interfaceName = reader.getAttributeValue(null, "interface"); + InterfaceContract interfaceContract = javaInterfaceFactory.createJavaInterfaceContract(); + service.setInterfaceContract(interfaceContract); + JavaInterface javaInterface = javaInterfaceFactory.createJavaInterface(); + javaInterface.setUnresolved(true); + javaInterface.setName(interfaceName); + interfaceContract.setInterface(javaInterface); + componentType.getServices().add(service); + } else if ("property".equals(name.getLocalPart())) { + String propName = reader.getAttributeValue(null, "name"); + String propValue = reader.getAttributeValue(null, "value"); + String propType = reader.getAttributeValue(null, "type"); + if (propType == null) { + propType = "String"; + } + if (propValue == null) { + propValue = reader.getElementText(); + } + if (propValue != null) { + propValue = propValue.trim(); + } + Object prop = propValue; + if ("Integer".equals(propType)) { + prop = Integer.valueOf(propValue); + } else if ("Long".equals(propType)) { + prop = Long.valueOf(propValue); + } else if ("Float".equals(propType)) { + prop = Float.valueOf(propValue); + } else if ("Double".equals(propType)) { + prop = Double.valueOf(propValue); + } else if ("Short".equals(propType)) { + prop = Short.valueOf(propValue); + } else if ("Character".equals(propType)) { + prop = propValue.charAt(0); + } else if ("Byte".equals(propType)) { + prop = Byte.valueOf(propValue); + } else if ("Boolean".equals(propType)) { + prop = Boolean.valueOf(propValue); + } + Property property = factory.createProperty(); + property.setName(propName); + property.setValue(prop); + componentType.getProperties().add(property); + } + break; + case XMLStreamConstants.END_ELEMENT: + name = reader.getName(); + if (COMPONENT_QNAME.equals(name)) { + return componentType; + } + break; + } + if (reader.hasNext()) { + event = reader.next(); + } else { + return componentType; + } + } + } + + public QName getArtifactType() { + return COMPONENT_QNAME; + } + + public void write(ComponentType model, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, + XMLStreamException { + // TODO: To be implemented + } + + public Class<ComponentType> getModelType() { + return ComponentType.class; + } + + public void resolve(ComponentType model, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { + // TODO: To be implemented + } +} |