diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta2-RC3/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeProcessor.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta2-RC3/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeProcessor.java | 471 |
1 files changed, 0 insertions, 471 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta2-RC3/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeProcessor.java b/sca-java-2.x/tags/2.0-Beta2-RC3/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeProcessor.java deleted file mode 100644 index 8f24cc41b9..0000000000 --- a/sca-java-2.x/tags/2.0-Beta2-RC3/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeProcessor.java +++ /dev/null @@ -1,471 +0,0 @@ -/* - * 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.assembly.xml; - -import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; -import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; -import static org.apache.tuscany.sca.assembly.xml.Constants.CALLBACK; -import static org.apache.tuscany.sca.assembly.xml.Constants.CALLBACK_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.COMPONENT_TYPE; -import static org.apache.tuscany.sca.assembly.xml.Constants.COMPONENT_TYPE_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.ELEMENT; -import static org.apache.tuscany.sca.assembly.xml.Constants.IMPLEMENTATION; -import static org.apache.tuscany.sca.assembly.xml.Constants.MANY; -import static org.apache.tuscany.sca.assembly.xml.Constants.MUST_SUPPLY; -import static org.apache.tuscany.sca.assembly.xml.Constants.NAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.OPERATION_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.PROPERTY; -import static org.apache.tuscany.sca.assembly.xml.Constants.PROPERTY_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.REFERENCE; -import static org.apache.tuscany.sca.assembly.xml.Constants.REFERENCE_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.SERVICE; -import static org.apache.tuscany.sca.assembly.xml.Constants.SERVICE_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.TYPE; -import static org.apache.tuscany.sca.assembly.xml.Constants.EXTENSION; -import static org.apache.tuscany.sca.assembly.xml.Constants.EXTENSION_QNAME; - -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.Callback; -import org.apache.tuscany.sca.assembly.ComponentType; -import org.apache.tuscany.sca.assembly.Contract; -import org.apache.tuscany.sca.assembly.Extensible; -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.common.xml.stax.StAXHelper; -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.interfacedef.InterfaceContract; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.interfacedef.impl.OperationImpl; -import org.apache.tuscany.sca.policy.PolicySubject; -import org.w3c.dom.Document; -import org.w3c.dom.Node; -import org.w3c.dom.NodeList; - -/** - * A componentType processor. - * - * @version $Rev$ $Date$ - */ -public class ComponentTypeProcessor extends BaseAssemblyProcessor implements StAXArtifactProcessor<ComponentType> { - - private StAXHelper staxHelper; - - /** - * Constructs a new componentType processor. - * - * @param modelFactories - * @param extensionProcessor - * @param extensionAttributeProcessor - * @param monitor - */ - public ComponentTypeProcessor(ExtensionPointRegistry extensionPoints, - //public ComponentTypeProcessor(FactoryExtensionPoint modelFactories, - StAXArtifactProcessor extensionProcessor, - StAXAttributeProcessor extensionAttributeProcessor) { - super(modelFactories(extensionPoints), extensionProcessor); - - // - staxHelper = StAXHelper.getInstance(extensionPoints); - } - - public ComponentType read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException { - ComponentType componentType = null; - Service service = null; - Reference reference = null; - Contract contract = null; - Property property = null; - Callback callback = null; - QName name = null; - - try { - // Read the componentType document - while (reader.hasNext()) { - int event = reader.getEventType(); - switch (event) { - case START_ELEMENT: - name = reader.getName(); - - if (Constants.COMPONENT_TYPE_QNAME.equals(name)) { - - // Read a <componentType> - componentType = assemblyFactory.createComponentType(); - - } else if (Constants.SERVICE_QNAME.equals(name)) { - - // Read a <service> - service = assemblyFactory.createService(); - contract = service; - service.setName(getString(reader, Constants.NAME)); - componentType.getServices().add(service); - policyProcessor.readPolicies(service, reader); - - } else if (Constants.REFERENCE_QNAME.equals(name)) { - - // Read a <reference> - reference = assemblyFactory.createReference(); - contract = reference; - reference.setName(getString(reader, Constants.NAME)); - reference.setWiredByImpl(getBoolean(reader, Constants.WIRED_BY_IMPL)); - readMultiplicity(reference, reader); - readTargets(reference, reader); - componentType.getReferences().add(reference); - policyProcessor.readPolicies(reference, reader); - - } else if (Constants.PROPERTY_QNAME.equals(name)) { - - // Read a <property> - property = assemblyFactory.createProperty(); - readAbstractProperty(property, reader, context); - policyProcessor.readPolicies(property, reader); - - // Read the property value - Document value = readPropertyValue(property.getXSDElement(), property.getXSDType(), property.isMany(), reader, context); - property.setValue(value); - - componentType.getProperties().add(property); - - } else if (Constants.IMPLEMENTATION_QNAME.equals(name)) { - - // Read an <implementation> element - policyProcessor.readPolicies(componentType, reader); - - } else if (Constants.CALLBACK_QNAME.equals(name)) { - - // Read a <callback> - callback = assemblyFactory.createCallback(); - contract.setCallback(callback); - policyProcessor.readPolicies(callback, reader); - - } else if (OPERATION_QNAME.equals(name)) { - - // Read an <operation> - Operation operation = new OperationImpl(); - operation.setName(getString(reader, NAME)); - operation.setUnresolved(true); - if (callback != null) { - policyProcessor.readPolicies(callback, operation, reader); - } else { - policyProcessor.readPolicies(contract, operation, reader); - } - } else if(EXTENSION_QNAME.equals(name)) { - // Handle <extension> - //ignore element as this is a wrapper for extensibility - break; - } else { - - - // Read an extension element - Object extension = extensionProcessor.read(reader, context); - if (extension != null) { - if (extension instanceof InterfaceContract) { - - // <service><interface> and <reference><interface> - contract.setInterfaceContract((InterfaceContract)extension); - - } else if (extension instanceof Binding) { - - // <service><binding> and <reference><binding> - if (callback != null) { - callback.getBindings().add((Binding)extension); - } else { - contract.getBindings().add((Binding)extension); - } - } else { - - // Add the extension element to the current element - if (callback != null) { - callback.getExtensions().add(extension); - } else if (contract != null) { - contract.getExtensions().add(extension); - } else if (property != null) { - property.getExtensions().add(extension); - } else { - if (componentType instanceof Extensible) { - ((Extensible)componentType).getExtensions().add(extension); - } - } - } - } - } - break; - - case END_ELEMENT: - name = reader.getName(); - - // Clear current state when reading reaching end element - if (SERVICE_QNAME.equals(name)) { - service = null; - contract = null; - } else if (REFERENCE_QNAME.equals(name)) { - reference = null; - contract = null; - } else if (PROPERTY_QNAME.equals(name)) { - property = null; - } else if (CALLBACK_QNAME.equals(name)) { - callback = null; - } - break; - } - - // Read the next element - if (reader.hasNext()) { - reader.next(); - } - } - } - catch (XMLStreamException e) { - ContributionReadException ex = new ContributionReadException(e); - error(context.getMonitor(), "XMLStreamException", reader, ex); - } - - return componentType; - } - - public void write(ComponentType componentType, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, XMLStreamException { - - // Write <componentType> element - writeStartDocument(writer, COMPONENT_TYPE); - - // Write <service> elements - for (Service service : componentType.getServices()) { - writeStart(writer, SERVICE, new XAttr(NAME, service.getName()), - policyProcessor.writePolicies(service)); - - if (service.getInterfaceContract() != null) { - extensionProcessor.write(service.getInterfaceContract(), writer, context); - } - - for (Binding binding: service.getBindings()) { - extensionProcessor.write(binding, writer, context); - } - - if (service.getCallback() != null) { - Callback callback = service.getCallback(); - writeStart(writer, CALLBACK, policyProcessor.writePolicies(callback)); - - for (Binding binding: callback.getBindings()) { - extensionProcessor.write(binding, writer, context); - } - for (Object extension: callback.getExtensions()) { - extensionProcessor.write(extension, writer, context); - } - - writeEnd(writer); - } - - this.writeExtendedElements(writer, service, extensionProcessor, context); - - writeEnd(writer); - } - - // Write <reference> elements - for (Reference reference : componentType.getReferences()) { - - writeStart(writer, REFERENCE, - new XAttr(NAME, reference.getName()), - writeMultiplicity(reference), - writeTargets(reference), - policyProcessor.writePolicies(reference)); - - extensionProcessor.write(reference.getInterfaceContract(), writer, context); - - for (Binding binding: reference.getBindings()) { - extensionProcessor.write(binding, writer, context); - } - - if (reference.getCallback() != null) { - Callback callback = reference.getCallback(); - writeStart(writer, CALLBACK, - policyProcessor.writePolicies(callback)); - - for (Binding binding: callback.getBindings()) { - extensionProcessor.write(binding, writer, context); - } - for (Object extension: callback.getExtensions()) { - extensionProcessor.write(extension, writer, context); - } - - writeEnd(writer); - } - - this.writeExtendedElements(writer, reference, extensionProcessor, context); - - writeEnd(writer); - } - - // Write <property> elements - for (Property property : componentType.getProperties()) { - writeStart(writer, - PROPERTY, - new XAttr(NAME, property.getName()), - new XAttr(MUST_SUPPLY, property.isMustSupply()), - new XAttr(MANY, property.isMany()), - new XAttr(TYPE, property.getXSDType()), - new XAttr(ELEMENT, property.getXSDElement()), - policyProcessor.writePolicies(property)); - - // Write property value - writePropertyValue(property.getValue(), property.getXSDElement(), property.getXSDType(), writer); - - // Write extensions - for (Object extension : property.getExtensions()) { - extensionProcessor.write(extension, writer, context); - } - - writeEnd(writer); - } - - // Write extension elements - if (componentType instanceof Extensible) { - for (Object extension: ((Extensible)componentType).getExtensions()) { - extensionProcessor.write(extension, writer, context); - } - } - - // Write <implementation> elements if the componentType has - // any intents or policySets - boolean writeImplementation = false; - if (componentType instanceof PolicySubject) { - if (!((PolicySubject)componentType).getRequiredIntents().isEmpty()) { - writeImplementation = true; - } - } - if (componentType instanceof PolicySubject) { - if (!((PolicySubject)componentType).getPolicySets().isEmpty()) { - writeImplementation = true; - } - } - if (writeImplementation) { - writeStart(writer, IMPLEMENTATION, - policyProcessor.writePolicies(componentType)); - } - - writeEndDocument(writer); - } - - /** - * Write the value of a property - override to use correct method of creating an XMLStreamReader - * @param document - * @param element - * @param type - * @param writer - * @throws XMLStreamException - */ - protected void writePropertyValue(Object propertyValue, QName element, QName type, XMLStreamWriter writer) - throws XMLStreamException { - - if (propertyValue instanceof Document) { - Document document = (Document)propertyValue; - NodeList nodeList = document.getDocumentElement().getChildNodes(); - - for (int item = 0; item < nodeList.getLength(); ++item) { - Node node = nodeList.item(item); - int nodeType = node.getNodeType(); - if (nodeType == Node.ELEMENT_NODE) { - // Correct way to create a reader for a node object... - XMLStreamReader reader = staxHelper.createXMLStreamReader(node); - - while (reader.hasNext()) { - switch (reader.next()) { - case XMLStreamConstants.START_ELEMENT: - QName name = reader.getName(); - writer.writeStartElement(name.getPrefix(), name.getLocalPart(), name.getNamespaceURI()); - - int namespaces = reader.getNamespaceCount(); - for (int i = 0; i < namespaces; i++) { - String prefix = reader.getNamespacePrefix(i); - String ns = reader.getNamespaceURI(i); - writer.writeNamespace(prefix, ns); - } - - if (!"".equals(name.getNamespaceURI())) { - writer.writeNamespace(name.getPrefix(), name.getNamespaceURI()); - } - - // add the attributes for this element - namespaces = reader.getAttributeCount(); - for (int i = 0; i < namespaces; i++) { - String ns = reader.getAttributeNamespace(i); - String prefix = reader.getAttributePrefix(i); - String qname = reader.getAttributeLocalName(i); - String value = reader.getAttributeValue(i); - - writer.writeAttribute(prefix, ns, qname, value); - } - - break; - case XMLStreamConstants.CDATA: - writer.writeCData(reader.getText()); - break; - case XMLStreamConstants.CHARACTERS: - writer.writeCharacters(reader.getText()); - break; - case XMLStreamConstants.END_ELEMENT: - writer.writeEndElement(); - break; - } - } - } else { - writer.writeCharacters(node.getTextContent()); - } - } - } - } // end method writePropertyValue - - public void resolve(ComponentType componentType, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { - - // Resolve component type services and references - resolveContracts(componentType.getServices(), resolver, context); - resolveContracts(componentType.getReferences(), resolver, context); - } - - public QName getArtifactType() { - return COMPONENT_TYPE_QNAME; - } - - public Class<ComponentType> getModelType() { - return ComponentType.class; - } - - /** - * Returns the model factory extension point to use. - * - * @param extensionPoints - * @return - */ - private static FactoryExtensionPoint modelFactories(ExtensionPointRegistry extensionPoints) { - return extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); - } -} |