diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache')
14 files changed, 4374 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/BaseAssemblyProcessor.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/BaseAssemblyProcessor.java new file mode 100644 index 0000000000..b76b755dc7 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/BaseAssemblyProcessor.java @@ -0,0 +1,915 @@ +/* + * 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.XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI; +import static javax.xml.XMLConstants.XMLNS_ATTRIBUTE_NS_URI; + +import java.util.ArrayList; +import java.util.List; +import java.util.StringTokenizer; + +import javax.xml.namespace.QName; +import javax.xml.parsers.DocumentBuilderFactory; +import javax.xml.parsers.ParserConfigurationException; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; +import javax.xml.transform.dom.DOMSource; + +import org.apache.tuscany.sca.assembly.AbstractContract; +import org.apache.tuscany.sca.assembly.AbstractProperty; +import org.apache.tuscany.sca.assembly.AbstractReference; +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.Base; +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.ComponentType; +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.assembly.ConfiguredOperation; +import org.apache.tuscany.sca.assembly.ConstrainingType; +import org.apache.tuscany.sca.assembly.Contract; +import org.apache.tuscany.sca.assembly.Extensible; +import org.apache.tuscany.sca.assembly.ExtensionFactory; +import org.apache.tuscany.sca.assembly.Implementation; +import org.apache.tuscany.sca.assembly.Multiplicity; +import org.apache.tuscany.sca.assembly.OperationsConfigurator; +import org.apache.tuscany.sca.assembly.Reference; +import org.apache.tuscany.sca.assembly.Service; +import org.apache.tuscany.sca.contribution.ContributionFactory; +import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; +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.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.monitor.impl.ProblemImpl; +import org.apache.tuscany.sca.policy.Intent; +import org.apache.tuscany.sca.policy.IntentAttachPoint; +import org.apache.tuscany.sca.policy.IntentAttachPointType; +import org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.apache.tuscany.sca.policy.PolicySet; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; +import org.apache.tuscany.sca.policy.impl.IntentAttachPointTypeFactoryImpl; +import org.apache.tuscany.sca.policy.util.PolicyValidationException; +import org.apache.tuscany.sca.policy.util.PolicyValidationUtils; +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.NamedNodeMap; +import org.w3c.dom.Node; +import org.w3c.dom.NodeList; + +/** + * A base class with utility methods for the other artifact processors in this module. + * + * @version $Rev$ $Date$ + */ +abstract class BaseAssemblyProcessor extends BaseStAXArtifactProcessor implements Constants { + + protected ContributionFactory contributionFactory; + protected AssemblyFactory assemblyFactory; + protected ExtensionFactory extensionFactory; + protected PolicyFactory policyFactory; + protected StAXArtifactProcessor<Object> extensionProcessor; + protected StAXAttributeProcessor<Object> extensionAttributeProcessor; + protected PolicyAttachPointProcessor policyProcessor; + private DocumentBuilderFactory documentBuilderFactory; + protected IntentAttachPointTypeFactory intentAttachPointTypeFactory; + private Monitor monitor; + + + /** + * Constructs a new BaseArtifactProcessor. + * @param contribFactory + * @param assemblyFactory + * @param extensionFactory + * @param policyFactory + * @param extensionProcessor + * @param monitor + */ + @SuppressWarnings("unchecked") + public BaseAssemblyProcessor(ContributionFactory contribFactory, + AssemblyFactory assemblyFactory, + ExtensionFactory extensionFactory, + PolicyFactory policyFactory, + StAXArtifactProcessor extensionProcessor, + StAXAttributeProcessor extensionAttributeProcessor, + Monitor monitor) { + this.contributionFactory = contribFactory; + this.assemblyFactory = assemblyFactory; + this.extensionFactory = extensionFactory; + this.policyFactory = policyFactory; + this.extensionProcessor = (StAXArtifactProcessor<Object>)extensionProcessor; + this.extensionAttributeProcessor = extensionAttributeProcessor; + this.policyProcessor = new PolicyAttachPointProcessor(policyFactory); + this.intentAttachPointTypeFactory = new IntentAttachPointTypeFactoryImpl(); + this.monitor = monitor; + } + + /** + * Constructs a new BaseArtifactProcessor. + * @param assemblyfactory + * @param extensionFactory + * @param policyFactory + * @param extensionProcessor + * @param monitor + */ + @SuppressWarnings("unchecked") + public BaseAssemblyProcessor(AssemblyFactory assemblyfactory, + ExtensionFactory extensionFactory, + PolicyFactory policyFactory, + StAXArtifactProcessor extensionProcessor, + StAXAttributeProcessor extensionAttributeProcessor, + Monitor monitor) { + this.assemblyFactory = assemblyfactory; + this.extensionFactory = extensionFactory; + this.policyFactory = policyFactory; + this.extensionProcessor = (StAXArtifactProcessor<Object>)extensionProcessor; + this.extensionAttributeProcessor = extensionAttributeProcessor; + this.policyProcessor = new PolicyAttachPointProcessor(policyFactory); + this.monitor = monitor; + } + + /** + * Marshals warnings into the monitor + * + * @param message + * @param model + * @param messageParameters + */ + protected void warning(String message, Object model, String... messageParameters) { + if (monitor != null){ + Problem problem = new ProblemImpl(this.getClass().getName(), "assembly-xml-validation-messages", Severity.WARNING, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /** + * Marshals errors into the monitor + * + * @param problems + * @param message + * @param model + */ + protected void error(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "assembly-xml-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /** + * Marshals exceptions into the monitor + * + * @param problems + * @param message + * @param model + */ + protected void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "assembly-xml-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + /** + * Start an element. + * @param writer + * @param name + * @param attrs + * @throws XMLStreamException + */ + protected void writeStart(XMLStreamWriter writer, String name, XAttr... attrs) throws XMLStreamException { + writeStart(writer, SCA10_NS, name, attrs); + } + + /** + * Start a document. + * @param writer + * @throws XMLStreamException + */ + protected void writeStartDocument(XMLStreamWriter writer, String name, XAttr... attrs) throws XMLStreamException { + writer.writeStartDocument(); + writer.setDefaultNamespace(SCA10_NS); + writeStart(writer, SCA10_NS, name, attrs); + writer.writeDefaultNamespace(SCA10_NS); + } + + /** + * Read list of reference targets + * @param reference + * @param reader + */ + protected void readTargets(Reference reference, XMLStreamReader reader) { + String value = reader.getAttributeValue(null, TARGET); + ComponentService target = null; + if (value != null) { + for (StringTokenizer tokens = new StringTokenizer(value); tokens.hasMoreTokens();) { + target = assemblyFactory.createComponentService(); + target.setUnresolved(true); + target.setName(tokens.nextToken()); + reference.getTargets().add(target); + } + } + } + + /** + * Write a list of targets into an attribute + * @param reference + * @return + */ + protected XAttr writeTargets(Reference reference) { + List<String> targets = new ArrayList<String>(); + for (Service target : reference.getTargets()) { + targets.add(target.getName()); + } + return new XAttr(TARGET, targets); + } + + /** + * Read a multiplicity attribute. + * @param reference + * @param reader + */ + protected void readMultiplicity(AbstractReference reference, XMLStreamReader reader) { + String value = reader.getAttributeValue(null, MULTIPLICITY); + if (ZERO_ONE.equals(value)) { + reference.setMultiplicity(Multiplicity.ZERO_ONE); + } else if (ONE_N.equals(value)) { + reference.setMultiplicity(Multiplicity.ONE_N); + } else if (ZERO_N.equals(value)) { + reference.setMultiplicity(Multiplicity.ZERO_N); + } else if (ONE_ONE.equals(value)) { + reference.setMultiplicity(Multiplicity.ONE_ONE); + } + } + + protected XAttr writeMultiplicity(AbstractReference reference) { + Multiplicity multiplicity = reference.getMultiplicity(); + if (multiplicity != null) { + String value = null; + if (Multiplicity.ZERO_ONE.equals(multiplicity)) { + value = ZERO_ONE; + } else if (Multiplicity.ONE_N.equals(multiplicity)) { + value = ONE_N; + } else if (Multiplicity.ZERO_N.equals(multiplicity)) { + value = ZERO_N; + } else if (Multiplicity.ONE_ONE.equals(multiplicity)) { + value = ONE_ONE; + return null; + } + return new XAttr(MULTIPLICITY, value); + } + return null; + } + + /** + * Returns the value of a constrainingType attribute. + * @param reader + * @return + */ + protected ConstrainingType readConstrainingType(XMLStreamReader reader) { + QName constrainingTypeName = getQName(reader, Constants.CONSTRAINING_TYPE); + if (constrainingTypeName != null) { + ConstrainingType constrainingType = assemblyFactory.createConstrainingType(); + constrainingType.setName(constrainingTypeName); + constrainingType.setUnresolved(true); + return constrainingType; + } else { + return null; + } + } + + /** + * Reads an abstract property element. + * @param property + * @param reader + * @throws XMLStreamException + * @throws ContributionReadException + */ + protected void readAbstractProperty(AbstractProperty property, XMLStreamReader reader) throws XMLStreamException, + ContributionReadException { + + property.setName(getString(reader, NAME)); + property.setMany(getBoolean(reader, MANY)); + property.setMustSupply(getBoolean(reader, MUST_SUPPLY)); + property.setXSDElement(getQName(reader, ELEMENT)); + property.setXSDType(getQName(reader, TYPE)); + } + + /** + * Resolve an implementation. + * @param implementation + * @param resolver + * @return + * @throws ContributionResolveException + */ + protected Implementation resolveImplementation(Implementation implementation, ModelResolver resolver) + throws ContributionResolveException, PolicyValidationException { + if (implementation != null) { + if (implementation.isUnresolved()) { + implementation = resolver.resolveModel(Implementation.class, implementation); + + // Lazily resolve implementations + if (implementation.isUnresolved()) { + extensionProcessor.resolve(implementation, resolver); + if (!implementation.isUnresolved()) { + //resolve policies + if ( implementation instanceof PolicySetAttachPoint ) { + PolicySetAttachPoint policiedImpl = (PolicySetAttachPoint)implementation; + resolveIntents(policiedImpl.getRequiredIntents(), resolver); + PolicyValidationUtils.validateIntents(policiedImpl, policiedImpl.getType()); + + resolvePolicySets(policiedImpl.getPolicySets(), resolver); + PolicyValidationUtils.validatePolicySets(policiedImpl); + + if ( implementation instanceof OperationsConfigurator ) { + OperationsConfigurator opsConfigurator = (OperationsConfigurator)implementation; + for ( ConfiguredOperation implOp : opsConfigurator.getConfiguredOperations() ) { + resolveIntents(implOp.getRequiredIntents(), resolver); + PolicyValidationUtils.validateIntents(implOp, policiedImpl.getType()); + + resolvePolicySets(implOp.getPolicySets(), resolver); + PolicyValidationUtils.validatePolicySets(implOp, + policiedImpl.getType(), + policiedImpl.getApplicablePolicySets()); + } + } + + for ( Service service : implementation.getServices() ) { + resolveIntents(service.getRequiredIntents(), resolver); + resolvePolicySets(service.getPolicySets(), resolver); + + for ( ConfiguredOperation svcOp : service.getConfiguredOperations() ) { + resolveIntents(svcOp.getRequiredIntents(), resolver); + resolvePolicySets(svcOp.getPolicySets(), resolver); + } + } + + for ( Reference reference : implementation.getReferences() ) { + resolveIntents(reference.getRequiredIntents(), resolver); + resolvePolicySets(reference.getPolicySets(), resolver); + } + } + + resolver.addModel(implementation); + } + } + } + + if ( implementation instanceof IntentAttachPoint && + ((IntentAttachPoint)implementation).getType() != null && + ((IntentAttachPoint)implementation).getType().isUnresolved() ) { + ((IntentAttachPoint)implementation).setType( + resolver.resolveModel(IntentAttachPointType.class, + ((IntentAttachPoint)implementation).getType())); + } + } + return implementation; + } + + /** + * Resolve interface, callback interface and bindings on a list of contracts. + * @param contracts the list of contracts + * @param resolver the resolver to use to resolve models + */ + protected <C extends Contract> void resolveContracts(List<C> contracts, ModelResolver resolver) + throws ContributionResolveException { + resolveContracts(null, contracts, resolver); + } + + + /** + * Resolve interface, callback interface and bindings on a list of contracts. + * @param parent element for the contracts + * @param contracts the list of contracts + * @param resolver the resolver to use to resolve models + */ + protected <C extends Contract> void resolveContracts(Base parent, List<C> contracts, ModelResolver resolver) + throws ContributionResolveException { + + String parentName = (parent instanceof Composite) ? ((Composite)parent).getName().toString() : + (parent instanceof Component) ? ((Component)parent).getName() : "UNKNOWN"; + + for (Contract contract : contracts) { + try { + //resolve the intents and policysets as they need to be copied over into the + //child binding elements + resolveIntents(contract.getRequiredIntents(), resolver); + resolvePolicySets(contract.getPolicySets(), resolver); + resolvePolicySets(contract.getApplicablePolicySets(), resolver); + + // Inherit the composite / component level applicable policy sets. + if ( parent != null && parent instanceof PolicySetAttachPoint ) { + addInheritedPolicySets(((PolicySetAttachPoint)parent).getApplicablePolicySets(), contract.getApplicablePolicySets()); + } + + for ( ConfiguredOperation confOp : contract.getConfiguredOperations() ) { + resolveIntents(confOp.getRequiredIntents(), resolver); + resolvePolicySets(confOp.getPolicySets(), resolver); + resolvePolicySets(confOp.getApplicablePolicySets(), resolver); + + //inherit applicable policy sets from parent contract + addInheritedPolicySets(contract.getApplicablePolicySets(), confOp.getApplicablePolicySets()); + } + + // Resolve the interface contract + InterfaceContract interfaceContract = contract.getInterfaceContract(); + if (interfaceContract != null) { + extensionProcessor.resolve(interfaceContract, resolver); + } + + // Resolve bindings + for (int i = 0, n = contract.getBindings().size(); i < n; i++) { + Binding binding = contract.getBindings().get(i); + extensionProcessor.resolve(binding, resolver); + + if (binding instanceof IntentAttachPoint) { + IntentAttachPoint policiedBinding = (IntentAttachPoint)binding; + + if ( policiedBinding.getType() != null && policiedBinding.getType().isUnresolved() ) { + IntentAttachPointType resolved = + resolver.resolveModel(IntentAttachPointType.class, + policiedBinding.getType()); + policiedBinding.setType(resolved); + } + + resolveIntents(policiedBinding.getRequiredIntents(), resolver); + PolicyValidationUtils.validateIntents(policiedBinding, policiedBinding.getType()); + } + + if (binding instanceof PolicySetAttachPoint) { + PolicySetAttachPoint policiedBinding = (PolicySetAttachPoint)binding; + resolvePolicySets(policiedBinding.getPolicySets(), resolver); + //validate if attached policysets apply to the binding + resolvePolicySets(policiedBinding.getApplicablePolicySets(), resolver); + //inherit the applicable policysets from parent contract as whatever applies to that + //applies to the binding as well + addInheritedPolicySets(contract.getApplicablePolicySets(), policiedBinding.getApplicablePolicySets()); + PolicyValidationUtils.validatePolicySets(policiedBinding); + } + + if (binding instanceof OperationsConfigurator) { + OperationsConfigurator opConfigurator = (OperationsConfigurator)binding; + for (ConfiguredOperation confOp : opConfigurator.getConfiguredOperations()) { + resolveIntents(confOp.getRequiredIntents(), resolver); + PolicyValidationUtils.validateIntents(confOp, ((PolicySetAttachPoint)binding).getType()); + + resolvePolicySets(confOp.getPolicySets(), resolver); + resolvePolicySets(confOp.getApplicablePolicySets(), resolver); + //inherit the applicable policysets from parent binding as whatever applies to that + //applies to the binding as well + addInheritedPolicySets(((PolicySetAttachPoint)binding).getApplicablePolicySets(), + confOp.getApplicablePolicySets()); + PolicyValidationUtils.validatePolicySets(confOp, ((PolicySetAttachPoint)binding).getType()); + } + } + } + + // Resolve callback bindings + if (contract.getCallback() != null) { + resolveIntents(contract.getCallback().getRequiredIntents(), resolver); + resolvePolicySets(contract.getCallback().getPolicySets(), resolver); + resolvePolicySets(contract.getCallback().getApplicablePolicySets(), resolver); + //inherit the contract's policy intents and policysets + addInheritedPolicySets(contract.getApplicablePolicySets(), contract.getCallback().getApplicablePolicySets()); + + for (int i = 0, n = contract.getCallback().getBindings().size(); i < n; i++) { + Binding binding = contract.getCallback().getBindings().get(i); + extensionProcessor.resolve(binding, resolver); + + if (binding instanceof IntentAttachPoint) { + IntentAttachPoint policiedBinding = (IntentAttachPoint)binding; + + if ( policiedBinding.getType().isUnresolved() ) { + IntentAttachPointType resolved = + resolver.resolveModel(IntentAttachPointType.class, + policiedBinding.getType()); + policiedBinding.setType(resolved); + } + + resolveIntents(policiedBinding.getRequiredIntents(), resolver); + PolicyValidationUtils.validateIntents(policiedBinding, policiedBinding.getType()); + } + + if (binding instanceof PolicySetAttachPoint) { + PolicySetAttachPoint policiedBinding = (PolicySetAttachPoint)binding; + resolvePolicySets(policiedBinding.getPolicySets(), resolver); + //validate if attached policysets apply to the binding + resolvePolicySets(policiedBinding.getApplicablePolicySets(), resolver); + //inherit the applicable policysets from parent contract as whatever applies to that + //applies to the binding as well + addInheritedPolicySets(contract.getApplicablePolicySets(), policiedBinding.getApplicablePolicySets()); + PolicyValidationUtils.validatePolicySets(policiedBinding); + } + + if (binding instanceof OperationsConfigurator) { + OperationsConfigurator opConfigurator = (OperationsConfigurator)binding; + for (ConfiguredOperation confOp : opConfigurator.getConfiguredOperations()) { + resolveIntents(confOp.getRequiredIntents(), resolver); + PolicyValidationUtils.validateIntents(confOp, ((PolicySetAttachPoint)binding).getType()); + + resolvePolicySets(confOp.getPolicySets(), resolver); + resolvePolicySets(confOp.getApplicablePolicySets(), resolver); + //inherit the applicable policysets from parent binding as whatever applies to that + //applies to the binding as well + addInheritedPolicySets(((PolicySetAttachPoint)binding).getApplicablePolicySets(), + confOp.getApplicablePolicySets()); + PolicyValidationUtils.validatePolicySets(confOp, ((PolicySetAttachPoint)binding).getType()); + } + } + } + } + } catch ( PolicyValidationException e ) { + error("PolicyServiceValidationException", contract, contract.getName(), parentName, e.getMessage()); + //throw new ContributionResolveException("PolicyValidation exceptions when processing service/reference '" + //+ contract.getName() + "' in '" + parentName + "'"); + } + } + } + + /** + * Resolve interface and callback interface on a list of abstract contracts. + * @param contracts the list of contracts + * @param resolver the resolver to use to resolve models + */ + protected <C extends AbstractContract> void resolveAbstractContracts(List<C> contracts, ModelResolver resolver) + throws ContributionResolveException { + for (AbstractContract contract : contracts) { + + // Resolve the interface contract + InterfaceContract interfaceContract = contract.getInterfaceContract(); + if (interfaceContract != null) { + extensionProcessor.resolve(interfaceContract, resolver); + } + } + } + + /** + * Returns a constrainingType attribute. + * @param componentType + * @return + */ + protected XAttr writeConstrainingType(ComponentType componentType) { + ConstrainingType constrainingType = componentType.getConstrainingType(); + if (constrainingType != null) + return new XAttr(Constants.CONSTRAINING_TYPE, constrainingType.getName()); + else + return null; + } + + /** + * Read a property value into a DOM document. + * @param element + * @param type + * @param reader + * @return + * @throws XMLStreamException + * @throws ContributionReadException + * @throws ParserConfigurationException + */ + protected Document readPropertyValue(QName element, QName type, XMLStreamReader reader) throws XMLStreamException, + ContributionReadException { + + Document document; + try { + if (documentBuilderFactory == null) { + documentBuilderFactory = DocumentBuilderFactory.newInstance(); + documentBuilderFactory.setNamespaceAware(true); + } + document = documentBuilderFactory.newDocumentBuilder().newDocument(); + } catch (ParserConfigurationException e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", documentBuilderFactory, ce); + throw ce; + } + + // root element has no namespace and local name "value" + Element root = document.createElementNS(null, "value"); + if (type != null) { + org.w3c.dom.Attr xsi = document.createAttributeNS(XMLNS_ATTRIBUTE_NS_URI, "xmlns:xsi"); + xsi.setValue(W3C_XML_SCHEMA_INSTANCE_NS_URI); + root.setAttributeNodeNS(xsi); + + String prefix = type.getPrefix(); + if (prefix == null || prefix.length() == 0) { + prefix = "ns"; + } + + declareNamespace(root, prefix, type.getNamespaceURI()); + + org.w3c.dom.Attr xsiType = document.createAttributeNS(W3C_XML_SCHEMA_INSTANCE_NS_URI, "xsi:type"); + xsiType.setValue(prefix + ":" + type.getLocalPart()); + root.setAttributeNodeNS(xsiType); + } + document.appendChild(root); + + loadElement(reader, root); + return document; + } + + /** + * Create a DOM element + * @param document + * @param name + * @return + */ + private Element createElement(Document document, QName name) { + String prefix = name.getPrefix(); + String qname = + (prefix != null && prefix.length() > 0) ? prefix + ":" + name.getLocalPart() : name.getLocalPart(); + return document.createElementNS(name.getNamespaceURI(), qname); + } + + /** + * Declare a namespace. + * @param element + * @param prefix + * @param ns + */ + private void declareNamespace(Element element, String prefix, String ns) { + if (ns == null) { + ns = ""; + } + if (prefix == null) { + prefix = ""; + } + String qname = null; + if ("".equals(prefix)) { + qname = "xmlns"; + } else { + qname = "xmlns:" + prefix; + } + Node node = element; + boolean declared = false; + while (node != null && node.getNodeType() == Node.ELEMENT_NODE) { + NamedNodeMap attrs = node.getAttributes(); + if (attrs == null) { + break; + } + Node attr = attrs.getNamedItem(qname); + if (attr != null) { + declared = ns.equals(attr.getNodeValue()); + break; + } + node = node.getParentNode(); + } + if (!declared) { + org.w3c.dom.Attr attr = element.getOwnerDocument().createAttributeNS(XMLNS_ATTRIBUTE_NS_URI, qname); + attr.setValue(ns); + element.setAttributeNodeNS(attr); + } + } + + /** + * Load a property value specification from an StAX stream into a DOM + * Document. Only elements, text and attributes are processed; all comments + * and other whitespace are ignored. + * + * @param reader the stream to read from + * @param root the DOM node to load + * @throws javax.xml.stream.XMLStreamException + */ + private void loadElement(XMLStreamReader reader, Element root) throws XMLStreamException { + Document document = root.getOwnerDocument(); + Node current = root; + while (true) { + switch (reader.next()) { + case XMLStreamConstants.START_ELEMENT: + QName name = reader.getName(); + Element child = createElement(document, name); + + // push the new element and make it the current one + current.appendChild(child); + current = child; + + int count = reader.getNamespaceCount(); + for (int i = 0; i < count; i++) { + String prefix = reader.getNamespacePrefix(i); + String ns = reader.getNamespaceURI(i); + declareNamespace(child, prefix, ns); + } + + if (!"".equals(name.getNamespaceURI())) { + declareNamespace(child, name.getPrefix(), name.getNamespaceURI()); + } + + // add the attributes for this element + count = reader.getAttributeCount(); + for (int i = 0; i < count; i++) { + String ns = reader.getAttributeNamespace(i); + String prefix = reader.getAttributePrefix(i); + String qname = reader.getAttributeLocalName(i); + String value = reader.getAttributeValue(i); + if (prefix != null && prefix.length() != 0) { + qname = prefix + ":" + qname; + } + child.setAttributeNS(ns, qname, value); + if (ns != null) { + declareNamespace(child, prefix, ns); + } + } + + break; + case XMLStreamConstants.CDATA: + current.appendChild(document.createCDATASection(reader.getText())); + break; + case XMLStreamConstants.CHARACTERS: + current.appendChild(document.createTextNode(reader.getText())); + break; + case XMLStreamConstants.END_ELEMENT: + // if we are back at the root then we are done + if (current == root) { + return; + } + + // pop the element off the stack + current = current.getParentNode(); + } + } + } + + /** + * Resolve policy intents attached to a specific SCA Artifact + * @param policyIntents list of policy intents + * @param resolver + */ + protected void resolveIntents(List<Intent> policyIntents, ModelResolver resolver) { + List<Intent> requiredIntents = new ArrayList<Intent>(); + Intent resolvedIntent = null; + for (Intent intent : policyIntents) { + resolvedIntent = resolver.resolveModel(Intent.class, intent); + requiredIntents.add(resolvedIntent); + } + policyIntents.clear(); + policyIntents.addAll(requiredIntents); + } + + /** + * Resolve policy sets attached to a specific SCA Construct + * @param policySets list of attached policy sets + * @param resolver + */ + protected void resolvePolicySets(List<PolicySet> policySets, ModelResolver resolver) { + List<PolicySet> resolvedPolicySets = new ArrayList<PolicySet>(); + PolicySet resolvedPolicySet = null; + for (PolicySet policySet : policySets) { + if (policySet.isUnresolved()) { + resolvedPolicySet = resolver.resolveModel(PolicySet.class, policySet); + resolvedPolicySets.add(resolvedPolicySet); + } else { + resolvedPolicySets.add(policySet); + } + } + policySets.clear(); + policySets.addAll(resolvedPolicySets); + } + + /** + * Write the value of a property + * @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) { + XMLStreamReader reader = + XMLInputFactory.newInstance().createXMLStreamReader(new DOMSource(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()); + } + } + } + } + + protected void addInheritedIntents(List<Intent> sourceList, List<Intent> targetList) { + if (sourceList != null) { + targetList.addAll(sourceList); + } + } + + protected void addInheritedPolicySets(List<PolicySet> sourceList, List<PolicySet> targetList) { + if (sourceList != null) { + targetList.addAll(sourceList); + } + } + + /** + * + * @param reader + * @param elementName + * @param extensible + * @param extensionAttributeProcessor + * @throws ContributionReadException + * @throws XMLStreamException + */ + protected void readExtendedAttributes(XMLStreamReader reader, Extensible extensible) throws ContributionReadException, XMLStreamException { + super.readExtendedAttributes(reader, extensible, extensionAttributeProcessor, extensionFactory); + } + + + /*protected void validatePolicySets(PolicySetAttachPoint policySetAttachPoint) + throws ContributionResolveException { + validatePolicySets(policySetAttachPoint, policySetAttachPoint.getApplicablePolicySets()); + } + + + protected void validatePolicySets(PolicySetAttachPoint policySetAttachPoint, + List<PolicySet> applicablePolicySets) throws ContributionResolveException { + //Since the applicablePolicySets in a policySetAttachPoint will already have the + //list of policysets that might ever be applicable to this attachPoint, just check + //if the defined policysets feature in the list of applicable policysets + IntentAttachPointType attachPointType = policySetAttachPoint.getType(); + for ( PolicySet definedPolicySet : policySetAttachPoint.getPolicySets() ) { + if ( !definedPolicySet.isUnresolved() ) { + if ( !applicablePolicySets.contains(definedPolicySet)) { + throw new ContributionResolveException("Policy Set '" + definedPolicySet.getName() + + "' does not apply to binding type " + + attachPointType.getName()); + } + } else { + throw new ContributionResolveException("Policy Set '" + definedPolicySet.getName() + + "' is not defined in this domain "); + + + } + } + }*/ +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeDocumentProcessor.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeDocumentProcessor.java new file mode 100644 index 0000000000..7681115149 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeDocumentProcessor.java @@ -0,0 +1,143 @@ +/* + * 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 java.io.IOException; +import java.io.InputStream; +import java.net.URI; +import java.net.URL; +import java.net.URLConnection; + +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.sca.assembly.ComponentType; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ValidatingXMLInputFactory; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; + +/** + * A componentType processor. + * + * @version $Rev$ $Date$ + */ +public class ComponentTypeDocumentProcessor extends BaseAssemblyProcessor implements URLArtifactProcessor<ComponentType> { + private XMLInputFactory inputFactory; + + /** + * Constructs a new componentType processor. + * @param factory + * @param policyFactory + * @param registry + */ + public ComponentTypeDocumentProcessor(StAXArtifactProcessor staxProcessor, + XMLInputFactory inputFactory, + Monitor monitor) { + super(null, null, null, staxProcessor, null, monitor); + this.inputFactory = inputFactory; + } + + /** + * Constructs a new componentType processor. + * @param modelFactories + * @param staxProcessor + */ + public ComponentTypeDocumentProcessor(ModelFactoryExtensionPoint modelFactories, + StAXArtifactProcessor staxProcessor, + Monitor monitor) { + super(null, null, null, staxProcessor, null, monitor); + this.inputFactory = modelFactories.getFactory(ValidatingXMLInputFactory.class); + } + + public ComponentType read(URL contributionURL, URI uri, URL url) throws ContributionReadException { + InputStream urlStream = null; + try { + + // Create a stream reader + URLConnection connection = url.openConnection(); + connection.setUseCaches(false); + urlStream = connection.getInputStream(); + XMLStreamReader reader = inputFactory.createXMLStreamReader(urlStream); + reader.nextTag(); + + // Reader the componentType model + ComponentType componentType = (ComponentType)extensionProcessor.read(reader); + if (componentType != null) { + componentType.setURI(uri.toString()); + } + + // For debugging purposes, write it back to XML +// if (componentType != null) { +// try { +// ByteArrayOutputStream bos = new ByteArrayOutputStream(); +// XMLOutputFactory outputFactory = XMLOutputFactory.newInstance(); +// outputFactory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.TRUE); +// extensionProcessor.write(componentType, outputFactory.createXMLStreamWriter(bos)); +// Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(bos.toByteArray())); +// OutputFormat format = new OutputFormat(); +// format.setIndenting(true); +// format.setIndent(2); +// XMLSerializer serializer = new XMLSerializer(System.out, format); +// serializer.serialize(document); +// } catch (Exception e) { +// e.printStackTrace(); +// } +// } + + return componentType; + + } catch (XMLStreamException e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", inputFactory, ce); + throw ce; + } catch (IOException e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", inputFactory, ce); + throw ce; + } finally { + try { + if (urlStream != null) { + urlStream.close(); + urlStream = null; + } + } catch (IOException ioe) { + //ignore + } + } + } + + public void resolve(ComponentType componentType, ModelResolver resolver) throws ContributionResolveException { + extensionProcessor.resolve(componentType, resolver); + } + + public String getArtifactType() { + return ".componentType"; + } + + public Class<ComponentType> getModelType() { + return ComponentType.class; + } +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeModelResolver.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeModelResolver.java new file mode 100644 index 0000000000..d0d11cd02b --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeModelResolver.java @@ -0,0 +1,95 @@ +/* + * 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 java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.sca.assembly.ComponentType; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.Import; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.java.JavaImport; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + +/** + * A Model Resolver for ComponentType models. + * + * @version $Rev$ $Date$ + */ +public class ComponentTypeModelResolver implements ModelResolver { + private Contribution contribution; + private Map<String, ComponentType> map = new HashMap<String, ComponentType>(); + + public ComponentTypeModelResolver(Contribution contribution, ModelFactoryExtensionPoint modelFactories) { + this.contribution = contribution; + } + + public void addModel(Object resolved) { + ComponentType componentType = (ComponentType)resolved; + map.put(componentType.getURI(), componentType); + } + + public Object removeModel(Object resolved) { + return map.remove(((ComponentType)resolved).getURI()); + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved) { + + //get componentType artifact URI + String uri = ((ComponentType)unresolved).getURI(); + if (uri == null) { + return (T)unresolved; + } + + //lookup the componentType + ComponentType resolved = (ComponentType) map.get(uri); + if (resolved != null) { + return modelClass.cast(resolved); + } + + //If not found, delegate the resolution to the imports (in this case based on the java imports) + //compute the package name from the componentType URI + if (unresolved instanceof ComponentType) { + //FIXME The core assembly model now depends on java imports to + // resolve componentTypes of all kinds, this is not right at all!!! + int s = uri.lastIndexOf('/'); + if (s != -1) { + String packageName = uri.substring(0, uri.lastIndexOf("/")); + for (Import import_ : this.contribution.getImports()) { + if (import_ instanceof JavaImport) { + JavaImport javaImport = (JavaImport)import_; + //check the import location against the computed package name from the componentType URI + if (javaImport.getPackage().equals(packageName)) { + // Delegate the resolution to the import resolver + resolved = javaImport.getModelResolver().resolveModel(ComponentType.class, (ComponentType)unresolved); + if (!resolved.isUnresolved()) { + return modelClass.cast(resolved); + } + } + } + } + } + } + + return (T)unresolved; + } + +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeProcessor.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeProcessor.java new file mode 100644 index 0000000000..964116a0c2 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeProcessor.java @@ -0,0 +1,390 @@ +/* + * 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 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.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.ExtensionFactory; +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.ModelFactoryExtensionPoint; +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.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +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.monitor.Monitor; +import org.apache.tuscany.sca.policy.IntentAttachPoint; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; +import org.w3c.dom.Document; + +/** + * A componentType processor. + * + * @version $Rev$ $Date$ + */ +public class ComponentTypeProcessor extends BaseAssemblyProcessor implements StAXArtifactProcessor<ComponentType> { + + /** + * Constructs a new componentType processor. + * @param assemblyFactory + * @param policyFactory + * @param registry + */ + public ComponentTypeProcessor(AssemblyFactory assemblyFactory, + ExtensionFactory extensionFactory, + PolicyFactory policyFactory, + StAXArtifactProcessor extensionProcessor, + StAXAttributeProcessor extensionAttributeProcessor, + Monitor monitor) { + super(assemblyFactory, extensionFactory, policyFactory, extensionProcessor, extensionAttributeProcessor, monitor); + } + + /** + * Constructs a new componentType processor. + * + * @param modelFactories + * @param extensionProcessor + */ + public ComponentTypeProcessor(ModelFactoryExtensionPoint modelFactories, + StAXArtifactProcessor extensionProcessor, + StAXAttributeProcessor extensionAttributeProcessor, + Monitor monitor) { + super(modelFactories.getFactory(AssemblyFactory.class), + modelFactories.getFactory(ExtensionFactory.class), + modelFactories.getFactory(PolicyFactory.class), + extensionProcessor, + extensionAttributeProcessor, + monitor); + } + + public ComponentType read(XMLStreamReader reader) 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(); + componentType.setConstrainingType(readConstrainingType(reader)); + + } 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); + policyProcessor.readPolicies(property, reader); + + // Read the property value + Document value = readPropertyValue(property.getXSDElement(), property.getXSDType(), reader); + 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 { + + // Read an extension element + Object extension = extensionProcessor.read(reader); + 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("XMLStreamException", reader, ex); + } + + return componentType; + } + + public void write(ComponentType componentType, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write <componentType> element + writeStartDocument(writer, COMPONENT_TYPE, + writeConstrainingType(componentType)); + + // 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); + } + + for (Binding binding: service.getBindings()) { + extensionProcessor.write(binding, writer); + } + + if (service.getCallback() != null) { + Callback callback = service.getCallback(); + writeStart(writer, CALLBACK, policyProcessor.writePolicies(callback)); + + for (Binding binding: callback.getBindings()) { + extensionProcessor.write(binding, writer); + } + for (Object extension: callback.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEnd(writer); + } + + for (Object extension: service.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + 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); + + for (Binding binding: reference.getBindings()) { + extensionProcessor.write(binding, writer); + } + + if (reference.getCallback() != null) { + Callback callback = reference.getCallback(); + writeStart(writer, CALLBACK, + policyProcessor.writePolicies(callback)); + + for (Binding binding: callback.getBindings()) { + extensionProcessor.write(binding, writer); + } + for (Object extension: callback.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEnd(writer); + } + + for (Object extension: reference.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + 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); + } + + writeEnd(writer); + } + + // Write extension elements + if (componentType instanceof Extensible) { + for (Object extension: ((Extensible)componentType).getExtensions()) { + extensionProcessor.write(extension, writer); + } + } + + // Write <implementation> elements if the componentType has + // any intents or policySets + boolean writeImplementation = false; + if (componentType instanceof IntentAttachPoint) { + if (!((IntentAttachPoint)componentType).getRequiredIntents().isEmpty()) { + writeImplementation = true; + } + } + if (componentType instanceof PolicySetAttachPoint) { + if (!((PolicySetAttachPoint)componentType).getPolicySets().isEmpty()) { + writeImplementation = true; + } + } + if (writeImplementation) { + writeStart(writer, IMPLEMENTATION, + policyProcessor.writePolicies(componentType)); + } + + writeEndDocument(writer); + } + + public void resolve(ComponentType componentType, ModelResolver resolver) throws ContributionResolveException { + + // Resolve component type services and references + resolveContracts(componentType.getServices(), resolver); + resolveContracts(componentType.getReferences(), resolver); + if ( componentType instanceof PolicySetAttachPoint ) { + resolveIntents(((PolicySetAttachPoint)componentType).getRequiredIntents(), resolver); + resolvePolicySets(((PolicySetAttachPoint)componentType).getPolicySets(), resolver); + } + } + + public QName getArtifactType() { + return COMPONENT_TYPE_QNAME; + } + + public Class<ComponentType> getModelType() { + return ComponentType.class; + } +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java new file mode 100644 index 0000000000..6abc28adde --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java @@ -0,0 +1,266 @@ +/* + * 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 java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.net.HttpURLConnection; +import java.net.URI; +import java.net.URL; +import java.net.URLConnection; +import java.util.Collection; +import java.util.Hashtable; +import java.util.List; +import java.util.Map; + +import javax.xml.namespace.QName; +import javax.xml.parsers.DocumentBuilderFactory; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ValidatingXMLInputFactory; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.definitions.SCADefinitions; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.policy.PolicySet; +import org.apache.tuscany.sca.policy.util.PolicyComputationUtils; + +/** + * A composite processor. + * + * @version $Rev$ $Date$ + */ +public class CompositeDocumentProcessor extends BaseAssemblyProcessor implements URLArtifactProcessor<Composite> { + private XMLInputFactory inputFactory; + private DocumentBuilderFactory documentBuilderFactory; + private List scaDefnSink; + private Collection<PolicySet> domainPolicySets = null; + private int scaDefnsCount = 0; + + /** + * Construct a new composite processor + * @param staxProcessor + * @param inputFactory + * @param scaDefnsSink + * @param monitor + */ + @Deprecated + public CompositeDocumentProcessor(StAXArtifactProcessor staxProcessor, + XMLInputFactory inputFactory, + List scaDefnsSink, + Monitor monitor) { + super(null, null, null, staxProcessor, null, monitor); + this.inputFactory = inputFactory; + this.scaDefnSink = scaDefnsSink; + } + + + /** + * Construct a new composite processor + * @param staxProcessor + * @param inputFactory + * @param documentBuilderFactory + * @param scaDefnsSink + * @param monitor + */ + public CompositeDocumentProcessor(StAXArtifactProcessor staxProcessor, + XMLInputFactory inputFactory, + DocumentBuilderFactory documentBuilderFactory, + List scaDefnsSink, + Monitor monitor) { + super(null, null, null, staxProcessor, null, monitor); + this.documentBuilderFactory = documentBuilderFactory; + this.inputFactory = inputFactory; + this.scaDefnSink = scaDefnsSink; + } + + + /** + * Construct a new composite processor + * @param modelFactories + * @param staxProcessor + * @param monitor + */ + public CompositeDocumentProcessor(ModelFactoryExtensionPoint modelFactories, + StAXArtifactProcessor staxProcessor, + Monitor monitor) { + super(null, null, null, staxProcessor, null, monitor); + this.inputFactory = modelFactories.getFactory(ValidatingXMLInputFactory.class); + this.documentBuilderFactory = modelFactories.getFactory(DocumentBuilderFactory.class); + } + + public Composite read(URL contributionURL, URI uri, URL url) throws ContributionReadException { + InputStream scdlStream = null; + try { + URLConnection connection = url.openConnection(); + connection.setUseCaches(false); + try { + scdlStream = connection.getInputStream(); + } catch (IOException e) { + if (e.getClass() == IOException.class && connection instanceof HttpURLConnection + && ((HttpURLConnection)connection).getResponseCode() == HttpURLConnection.HTTP_INTERNAL_ERROR) { + error("HttpServerError", url, ((HttpURLConnection)connection).getResponseMessage()); + } + throw e; + } + } catch (IOException e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", url, e); + throw ce; + } + return read(uri, scdlStream); + } + + public Composite read(URI uri, InputStream scdlStream) throws ContributionReadException { + try { + if (scaDefnSink != null ) { + fillDomainPolicySets(scaDefnSink); + } + + Composite composite = null; + + byte[] transformedArtifactContent; + try { + if ( domainPolicySets != null ) { + transformedArtifactContent = + PolicyComputationUtils.addApplicablePolicySets(scdlStream, domainPolicySets, documentBuilderFactory); + scdlStream = new ByteArrayInputStream(transformedArtifactContent); + + // For debugging purposes, write out the XML with applicablePolicySets added +/* + try { + scdlStream.mark(0); + ByteArrayOutputStream tmpOutput = new ByteArrayOutputStream(); + while(scdlStream.available()!= 0){ + tmpOutput.write(scdlStream.read()); + } + System.out.println(tmpOutput); + scdlStream.reset(); + + } catch (Exception e){ + e.printStackTrace(); + } +*/ + } + } catch ( IOException e ) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", scdlStream, e); + throw ce; + } catch ( Exception e ) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", scdlStream, e); + //throw ce; + } + + XMLStreamReader reader = inputFactory.createXMLStreamReader(scdlStream); + + reader.nextTag(); + + // Read the composite model + composite = (Composite)extensionProcessor.read(reader); + if (composite != null) { + composite.setURI(uri.toString()); + } + + // For debugging purposes, write it back to XML +/* + if (composite != null) { + try { + ByteArrayOutputStream bos = new ByteArrayOutputStream(); + XMLOutputFactory outputFactory = XMLOutputFactory.newInstance(); + outputFactory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.TRUE); + extensionProcessor.write(composite, outputFactory.createXMLStreamWriter(bos)); + Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(bos.toByteArray())); + OutputFormat format = new OutputFormat(); + format.setIndenting(true); + format.setIndent(2); + XMLSerializer serializer = new XMLSerializer(System.out, format); + serializer.serialize(document); + } catch (Exception e) { + e.printStackTrace(); + } + } + */ + + return composite; + + } catch (XMLStreamException e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", inputFactory, e); + throw ce; + } finally { + try { + if (scdlStream != null) { + scdlStream.close(); + scdlStream = null; + } + } catch (IOException ioe) { + //ignore + } + } + } + + public void resolve(Composite composite, ModelResolver resolver) throws ContributionResolveException { + if (composite != null) + extensionProcessor.resolve(composite, resolver); + } + + public String getArtifactType() { + return ".composite"; + } + + public Class<Composite> getModelType() { + return Composite.class; + } + + private void fillDomainPolicySets(List scaDefnsSink) { + Map<QName, PolicySet> domainPolicySetMap = null; + if ( scaDefnsSink.size() > scaDefnsCount ) { + //if ( !scaDefnsSink.isEmpty() ) { + domainPolicySetMap = new Hashtable<QName, PolicySet>(); + + if ( domainPolicySets != null ) { + for ( PolicySet policySet : domainPolicySets ) { + domainPolicySetMap.put(policySet.getName(), policySet); + } + } + + for ( Object object : scaDefnsSink ) { + if ( object instanceof SCADefinitions ) { + for ( PolicySet policySet : ((SCADefinitions)object).getPolicySets() ) { + domainPolicySetMap.put( policySet.getName(), policySet); + } + } + } + domainPolicySets = domainPolicySetMap.values(); + //scaDefnsSink.clear(); + scaDefnsCount = scaDefnsSink.size(); + } + } +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeModelResolver.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeModelResolver.java new file mode 100644 index 0000000000..72744259f6 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeModelResolver.java @@ -0,0 +1,83 @@ +/* + * 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 java.util.HashMap; +import java.util.Map; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.Import; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.namespace.NamespaceImport; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + +/** + * A Model Resolver for Composite models. + * + * @version $Rev$ $Date$ + */ +public class CompositeModelResolver implements ModelResolver { + + private Contribution contribution; + private Map<QName, Composite> map = new HashMap<QName, Composite>(); + + public CompositeModelResolver(Contribution contribution, ModelFactoryExtensionPoint modelFactories) { + this.contribution = contribution; + } + + public void addModel(Object resolved) { + Composite composite = (Composite)resolved; + map.put(composite.getName(), composite); + } + + public Object removeModel(Object resolved) { + return map.remove(((Composite)resolved).getName()); + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved) { + + // Lookup a definition for the given namespace + QName qname = ((Composite)unresolved).getName(); + Composite resolved = (Composite) map.get(qname); + if (resolved != null) { + return modelClass.cast(resolved); + } + + // No definition found, delegate the resolution to the imports + for (Import import_ : this.contribution.getImports()) { + if (import_ instanceof NamespaceImport) { + NamespaceImport namespaceImport = (NamespaceImport)import_; + if (namespaceImport.getNamespace().equals(qname.getNamespaceURI())) { + + // Delegate the resolution to the import resolver + resolved = namespaceImport.getModelResolver().resolveModel(Composite.class, (Composite)unresolved); + if (!resolved.isUnresolved()) { + return modelClass.cast(resolved); + } + } + } + } + return (T)unresolved; + } + +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java new file mode 100644 index 0000000000..f34adbc581 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java @@ -0,0 +1,1243 @@ +/* + * 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 java.util.ArrayList; +import java.util.Iterator; +import java.util.List; +import java.util.StringTokenizer; + +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 javax.xml.xpath.XPath; +import javax.xml.xpath.XPathExpressionException; +import javax.xml.xpath.XPathFactory; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.assembly.Callback; +import org.apache.tuscany.sca.assembly.Component; +import org.apache.tuscany.sca.assembly.ComponentProperty; +import org.apache.tuscany.sca.assembly.ComponentReference; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.assembly.CompositeReference; +import org.apache.tuscany.sca.assembly.CompositeService; +import org.apache.tuscany.sca.assembly.ConfiguredOperation; +import org.apache.tuscany.sca.assembly.ConstrainingType; +import org.apache.tuscany.sca.assembly.Contract; +import org.apache.tuscany.sca.assembly.ExtensionFactory; +import org.apache.tuscany.sca.assembly.Implementation; +import org.apache.tuscany.sca.assembly.OperationsConfigurator; +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.assembly.Wire; +import org.apache.tuscany.sca.assembly.impl.CompositeImpl; +import org.apache.tuscany.sca.contribution.Artifact; +import org.apache.tuscany.sca.contribution.ContributionFactory; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +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.contribution.resolver.ResolverExtension; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.MonitorFactory; +import org.apache.tuscany.sca.policy.Intent; +import org.apache.tuscany.sca.policy.IntentAttachPointType; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.apache.tuscany.sca.policy.PolicySet; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; +import org.apache.tuscany.sca.policy.util.PolicyComputationUtils; +import org.apache.tuscany.sca.policy.util.PolicyValidationException; +import org.apache.tuscany.sca.policy.util.PolicyValidationUtils; +import org.w3c.dom.Document; + +/** + * A composite processor. + * + * @version $Rev$ $Date$ + */ +public class CompositeProcessor extends BaseAssemblyProcessor implements StAXArtifactProcessor<Composite> { + // FIXME: to be refactored + private XPathFactory xPathFactory = XPathFactory.newInstance(); + + /** + * Construct a new composite processor + * + * @param extensionPoints + * @param extensionProcessor + */ + public CompositeProcessor(ExtensionPointRegistry extensionPoints, + StAXArtifactProcessor extensionProcessor, + StAXAttributeProcessor extensionAttributeProcessor, + Monitor monitor) { + + this(modelFactories(extensionPoints), + extensionProcessor, + extensionAttributeProcessor, + monitor(extensionPoints)); + + this.extensionAttributeProcessor = extensionAttributeProcessor; + } + + /** + * Constructs a new composite processor + * + * @param modelFactories + * @param extensionProcessor + * @param monitor + */ + private CompositeProcessor(ModelFactoryExtensionPoint modelFactories, + StAXArtifactProcessor extensionProcessor, + StAXAttributeProcessor extensionAttributeProcessor, + Monitor monitor) { + + super(modelFactories.getFactory(ContributionFactory.class), + modelFactories.getFactory(AssemblyFactory.class), + modelFactories.getFactory(ExtensionFactory.class), + modelFactories.getFactory(PolicyFactory.class), + extensionProcessor, + extensionAttributeProcessor, + monitor); + + this.extensionAttributeProcessor = extensionAttributeProcessor; + + } + + /** + * Construct a new composite processor + * + * @param contributionFactory + * @param assemblyFactory + * @param policyFactory + * @param extensionProcessor + */ + public CompositeProcessor(ContributionFactory contributionFactory, + AssemblyFactory assemblyFactory, + ExtensionFactory extensionFactory, + PolicyFactory policyFactory, + StAXArtifactProcessor extensionProcessor, + StAXAttributeProcessor extensionAttributeProcessor, + Monitor monitor) { + super(contributionFactory, assemblyFactory, extensionFactory, policyFactory, extensionProcessor, extensionAttributeProcessor, monitor); + } + + public Composite read(XMLStreamReader reader) throws ContributionReadException { + Composite composite = null; + Composite include = null; + Component component = null; + Property property = null; + ComponentService componentService = null; + ComponentReference componentReference = null; + ComponentProperty componentProperty = null; + CompositeService compositeService = null; + CompositeReference compositeReference = null; + Contract contract = null; + Wire wire = null; + Callback callback = null; + QName name = null; + + try { + // Read the composite document + while (reader.hasNext()) { + int event = reader.getEventType(); + switch (event) { + case START_ELEMENT: + name = reader.getName(); + + if (COMPOSITE_QNAME.equals(name)) { + + // Read a <composite> + composite = assemblyFactory.createComposite(); + + composite.setName(new QName(getString(reader, TARGET_NAMESPACE), getString(reader, NAME))); + + if(!isSet(reader, TARGET_NAMESPACE)){ + // spec says that a composite must have a namespace + warning("NoCompositeNamespace", composite, composite.getName().toString()); + } + + if(isSet(reader, AUTOWIRE)) { + composite.setAutowire(getBoolean(reader, AUTOWIRE)); + } + + //handle extension attributes + this.readExtendedAttributes(reader, composite); + + composite.setLocal(getBoolean(reader, LOCAL)); + composite.setConstrainingType(readConstrainingType(reader)); + policyProcessor.readPolicies(composite, reader); + + } else if (INCLUDE_QNAME.equals(name)) { + + // Read an <include> + include = assemblyFactory.createComposite(); + include.setName(getQName(reader, NAME)); + include.setURI(getString(reader, URI)); + include.setUnresolved(true); + composite.getIncludes().add(include); + + } else if (SERVICE_QNAME.equals(name)) { + if (component != null) { + + // Read a <component><service> + componentService = assemblyFactory.createComponentService(); + contract = componentService; + componentService.setName(getString(reader, NAME)); + + //handle extension attributes + this.readExtendedAttributes(reader, componentService); + + component.getServices().add(componentService); + policyProcessor.readPolicies(contract, reader); + } else { + + // Read a <composite><service> + compositeService = assemblyFactory.createCompositeService(); + contract = compositeService; + compositeService.setName(getString(reader, NAME)); + + String promoted = getString(reader, PROMOTE); + if (promoted != null) { + String promotedComponentName; + String promotedServiceName; + int s = promoted.indexOf('/'); + if (s == -1) { + promotedComponentName = promoted; + promotedServiceName = null; + } else { + promotedComponentName = promoted.substring(0, s); + promotedServiceName = promoted.substring(s + 1); + } + + Component promotedComponent = assemblyFactory.createComponent(); + promotedComponent.setUnresolved(true); + promotedComponent.setName(promotedComponentName); + compositeService.setPromotedComponent(promotedComponent); + + ComponentService promotedService = assemblyFactory.createComponentService(); + promotedService.setUnresolved(true); + promotedService.setName(promotedServiceName); + compositeService.setPromotedService(promotedService); + } + + //handle extension attributes + this.readExtendedAttributes(reader, compositeService); + + composite.getServices().add(compositeService); + policyProcessor.readPolicies(contract, reader); + } + + } else if (REFERENCE_QNAME.equals(name)) { + if (component != null) { + // Read a <component><reference> + componentReference = assemblyFactory.createComponentReference(); + contract = componentReference; + componentReference.setName(getString(reader, NAME)); + readMultiplicity(componentReference, reader); + if (isSet(reader, AUTOWIRE)) { + componentReference.setAutowire(getBoolean(reader, AUTOWIRE)); + } + readTargets(componentReference, reader); + componentReference.setWiredByImpl(getBoolean(reader, WIRED_BY_IMPL)); + + //handle extension attributes + this.readExtendedAttributes(reader, componentReference); + + component.getReferences().add(componentReference); + policyProcessor.readPolicies(contract, reader); + } else { + // Read a <composite><reference> + compositeReference = assemblyFactory.createCompositeReference(); + contract = compositeReference; + compositeReference.setName(getString(reader, NAME)); + readMultiplicity(compositeReference, reader); + readTargets(compositeReference, reader); + String promote = reader.getAttributeValue(null, Constants.PROMOTE); + if (promote != null) { + for (StringTokenizer tokens = new StringTokenizer(promote); tokens.hasMoreTokens();) { + ComponentReference promotedReference = + assemblyFactory.createComponentReference(); + promotedReference.setUnresolved(true); + promotedReference.setName(tokens.nextToken()); + compositeReference.getPromotedReferences().add(promotedReference); + } + } + compositeReference.setWiredByImpl(getBoolean(reader, WIRED_BY_IMPL)); + + //handle extension attributes + this.readExtendedAttributes(reader, compositeReference); + + composite.getReferences().add(compositeReference); + policyProcessor.readPolicies(contract, reader); + } + + } else if (PROPERTY_QNAME.equals(name)) { + if (component != null) { + + // Read a <component><property> + componentProperty = assemblyFactory.createComponentProperty(); + property = componentProperty; + String source = getString(reader, SOURCE); + if(source!=null) { + source = source.trim(); + } + componentProperty.setSource(source); + if (source != null) { + // $<name>/... + if (source.charAt(0) == '$') { + int index = source.indexOf('/'); + if (index == -1) { + // Tolerating $prop + source = source + "/"; + index = source.length() - 1; + } + source = source.substring(index + 1); + if ("".equals(source)) { + source = "."; + } + } + XPath xpath = xPathFactory.newXPath(); + xpath.setNamespaceContext(reader.getNamespaceContext()); + try { + componentProperty.setSourceXPathExpression(xpath.compile(source)); + } catch (XPathExpressionException e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", xpath, ce); + //throw ce; + } + } + componentProperty.setFile(getString(reader, FILE)); + + //handle extension attributes + this.readExtendedAttributes(reader, componentProperty); + + policyProcessor.readPolicies(property, reader); + readAbstractProperty(componentProperty, reader); + + // Read the property value + Document value = readPropertyValue(property.getXSDElement(), property.getXSDType(), reader); + property.setValue(value); + + component.getProperties().add(componentProperty); + } else { + + // Read a <composite><property> + property = assemblyFactory.createProperty(); + policyProcessor.readPolicies(property, reader); + readAbstractProperty(property, reader); + + // Read the property value + Document value = readPropertyValue(property.getXSDElement(), property.getXSDType(), reader); + property.setValue(value); + + composite.getProperties().add(property); + } + + // TUSCANY-1949 + // If the property doesn't have a value, the END_ELEMENT event is read by the readPropertyValue + if (reader.getEventType() == END_ELEMENT && PROPERTY_QNAME.equals(reader.getName())) { + property = null; + componentProperty = null; + } + + } else if (COMPONENT_QNAME.equals(name)) { + + // Read a <component> + component = assemblyFactory.createComponent(); + component.setName(getString(reader, NAME)); + if (isSet(reader, AUTOWIRE)) { + component.setAutowire(getBoolean(reader, AUTOWIRE)); + } + if (isSet(reader, URI)) { + component.setURI(getString(reader, URI)); + } + + //handle extension attributes + this.readExtendedAttributes(reader, component); + + component.setConstrainingType(readConstrainingType(reader)); + composite.getComponents().add(component); + policyProcessor.readPolicies(component, reader); + + } else if (WIRE_QNAME.equals(name)) { + + // Read a <wire> + wire = assemblyFactory.createWire(); + ComponentReference source = assemblyFactory.createComponentReference(); + source.setUnresolved(true); + source.setName(getString(reader, SOURCE)); + wire.setSource(source); + + ComponentService target = assemblyFactory.createComponentService(); + target.setUnresolved(true); + target.setName(getString(reader, TARGET)); + wire.setTarget(target); + + //handle extension attributes + this.readExtendedAttributes(reader, wire); + + composite.getWires().add(wire); + policyProcessor.readPolicies(wire, reader); + + } else if (CALLBACK_QNAME.equals(name)) { + + // Read a <callback> + callback = assemblyFactory.createCallback(); + contract.setCallback(callback); + + //handle extension attributes + this.readExtendedAttributes(reader, callback); + + policyProcessor.readPolicies(callback, reader); + + } else if (OPERATION_QNAME.equals(name)) { + + // Read an <operation> + ConfiguredOperation operation = assemblyFactory.createConfiguredOperation(); + operation.setName(getString(reader, NAME)); + operation.setUnresolved(true); + if (callback != null) { + policyProcessor.readPolicies(operation, reader); + } else { + policyProcessor.readPolicies(operation, reader); + } + + OperationsConfigurator opConfigurator = null; + if ( compositeService != null ) { + opConfigurator = compositeService; + } else if ( componentService != null ) { + opConfigurator = componentService; + } else if ( compositeReference != null ) { + opConfigurator = compositeReference; + } else if ( componentReference != null ) { + opConfigurator = componentReference; + } + + opConfigurator.getConfiguredOperations().add(operation); + } else if (IMPLEMENTATION_COMPOSITE_QNAME.equals(name)) { + + // Read an implementation.composite + Composite implementation = assemblyFactory.createComposite(); + implementation.setName(getQName(reader, NAME)); + implementation.setUnresolved(true); + + //handle extension attributes + this.readExtendedAttributes(reader, implementation); + + component.setImplementation(implementation); + policyProcessor.readPolicies(implementation, reader); + } else { + + // Read an extension element + Object extension = extensionProcessor.read(reader); + if (extension != null) { + if (extension instanceof InterfaceContract) { + + // <service><interface> and + // <reference><interface> + if (contract != null) { + contract.setInterfaceContract((InterfaceContract)extension); + } else { + if (name.getNamespaceURI().equals(SCA10_NS)) { + error("UnexpectedInterfaceElement", extension); + //throw new ContributionReadException("Unexpected <interface> element found. It should appear inside a <service> or <reference> element"); + } else { + composite.getExtensions().add(extension); + } + } + } else if (extension instanceof Binding) { + if ( extension instanceof PolicySetAttachPoint ) { + IntentAttachPointType bindingType = intentAttachPointTypeFactory.createBindingType(); + bindingType.setName(name); + bindingType.setUnresolved(true); + ((PolicySetAttachPoint)extension).setType(bindingType); + } + // <service><binding> and + // <reference><binding> + if (callback != null) { + callback.getBindings().add((Binding)extension); + } else { + if (contract != null) { + contract.getBindings().add((Binding)extension); + } else { + if (name.getNamespaceURI().equals(SCA10_NS)) { + error("UnexpectedBindingElement", extension); + //throw new ContributionReadException("Unexpected <binding> element found. It should appear inside a <service> or <reference> element"); + } else { + composite.getExtensions().add(extension); + } + } + } + + } else if (extension instanceof Implementation) { + if ( extension instanceof PolicySetAttachPoint ) { + IntentAttachPointType implType = intentAttachPointTypeFactory.createImplementationType(); + implType.setName(name); + implType.setUnresolved(true); + ((PolicySetAttachPoint)extension).setType(implType); + } + // <component><implementation> + if (component != null) { + component.setImplementation((Implementation)extension); + } else { + if (name.getNamespaceURI().equals(SCA10_NS)) { + error("UnexpectedImplementationElement", extension); + //throw new ContributionReadException("Unexpected <implementation> element found. It should appear inside a <component> element"); + } else { + composite.getExtensions().add(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 (component != null) { + component.getExtensions().add(extension); + } else { + composite.getExtensions().add(extension); + } + } + } + } + break; + + case XMLStreamConstants.CHARACTERS: + break; + + case END_ELEMENT: + name = reader.getName(); + + // Clear current state when reading reaching end element + if (SERVICE_QNAME.equals(name)) { + componentService = null; + compositeService = null; + contract = null; + } else if (INCLUDE_QNAME.equals(name)) { + include = null; + } else if (REFERENCE_QNAME.equals(name)) { + componentReference = null; + compositeReference = null; + contract = null; + } else if (PROPERTY_QNAME.equals(name)) { + componentProperty = null; + property = null; + } else if (COMPONENT_QNAME.equals(name)) { + component = null; + } else if (WIRE_QNAME.equals(name)) { + wire = 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("ContributionReadException", reader, ex); + } + + return composite; + } + + public void write(Composite composite, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write <composite> element + writeStartDocument(writer, + COMPOSITE, + writeConstrainingType(composite), + new XAttr(TARGET_NAMESPACE, composite.getName().getNamespaceURI()), + new XAttr(NAME, composite.getName().getLocalPart()), + new XAttr(LOCAL, composite.isLocal() ? Boolean.TRUE : null), + new XAttr(AUTOWIRE, composite.getAutowire()), + policyProcessor.writePolicies(composite)); + + //write extended attributes + this.writeExtendedAttributes(writer, composite, extensionAttributeProcessor); + + // Write <include> elements + for (Composite include : composite.getIncludes()) { + String uri = include.isUnresolved()? include.getURI() : null; + writeStart(writer, + INCLUDE, + new XAttr(NAME, include.getName()), + new XAttr(URI, uri)); + + //write extended attributes + this.writeExtendedAttributes(writer, include, extensionAttributeProcessor); + + writeEnd(writer); + } + + // Write <service> elements + for (Service service : composite.getServices()) { + CompositeService compositeService = (CompositeService)service; + Component promotedComponent = compositeService.getPromotedComponent(); + ComponentService promotedService = compositeService.getPromotedService(); + String promote; + if (promotedService != null) { + if (promotedService.getName() != null) { + promote = promotedComponent.getName() + '/' + promotedService.getName(); + } else { + promote = promotedComponent.getName(); + } + } else { + promote = null; + } + writeStart(writer, SERVICE, new XAttr(NAME, service.getName()), new XAttr(PROMOTE, promote), + policyProcessor.writePolicies(service)); + + //write extended attributes + this.writeExtendedAttributes(writer, service, extensionAttributeProcessor); + + + // Write service interface + extensionProcessor.write(service.getInterfaceContract(), writer); + + // Write bindings + for (Binding binding : service.getBindings()) { + extensionProcessor.write(binding, writer); + } + + // Write <callback> element + if (service.getCallback() != null) { + Callback callback = service.getCallback(); + writeStart(writer, CALLBACK, + policyProcessor.writePolicies(callback)); + + //write extended attributes + this.writeExtendedAttributes(writer, callback, extensionAttributeProcessor); + + // Write callback bindings + for (Binding binding : callback.getBindings()) { + extensionProcessor.write(binding, writer); + } + + // Write extensions + for (Object extension : callback.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEnd(writer); + } + + // Write extensions + for (Object extension : service.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEnd(writer); + } + + // Write <component> elements + for (Component component : composite.getComponents()) { + writeStart(writer, COMPONENT, new XAttr(NAME, component.getName()), + new XAttr(URI, component.getURI()), + new XAttr(AUTOWIRE, component.getAutowire()), + policyProcessor.writePolicies(component)); + + //write extended attributes + this.writeExtendedAttributes(writer, component, extensionAttributeProcessor); + + // Write the component implementation + Implementation implementation = component.getImplementation(); + // check that we really have CompositeImpl and treat this specially. Some + // extension extend CompositeImpl and we want these to be treated by the extension + // processor. + if ((implementation != null ) && (implementation.getClass().equals(CompositeImpl.class))) { + writeStart(writer, IMPLEMENTATION_COMPOSITE, new XAttr(NAME, ((Composite)implementation).getName())); + + //write extended attributes + this.writeExtendedAttributes(writer, (Composite)implementation, extensionAttributeProcessor); + + writeEnd(writer); + } else { + extensionProcessor.write(component.getImplementation(), writer); + } + + for (Object extension : component.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + // Write <service> elements + for (ComponentService service : component.getServices()) { + if (service.isCallback() == false){ + writeStart(writer, SERVICE, new XAttr(NAME, service.getName()), + policyProcessor.writePolicies(service)); + + //write extended attributes + this.writeExtendedAttributes(writer, service, extensionAttributeProcessor); + + // Write service interface + extensionProcessor.write(service.getInterfaceContract(), writer); + + // Write bindings + for (Binding binding : service.getBindings()) { + extensionProcessor.write(binding, writer); + } + + // Write <callback> element + if (service.getCallback() != null) { + Callback callback = service.getCallback(); + writeStart(writer, CALLBACK, policyProcessor.writePolicies(callback)); + + //write extended attributes + this.writeExtendedAttributes(writer, callback, extensionAttributeProcessor); + + // Write bindings + for (Binding binding : callback.getBindings()) { + extensionProcessor.write(binding, writer); + } + + // Write extensions + for (Object extension : callback.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEnd(writer); + } + + // Write extensions + for (Object extension : service.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEnd(writer); + } + } + + // Write <reference> elements + for (ComponentReference reference : component.getReferences()) { + if (reference.isCallback() == false){ + writeStart(writer, REFERENCE, new XAttr(NAME, reference.getName()), + new XAttr(AUTOWIRE, reference.getAutowire()), + writeMultiplicity(reference), + writeTargets(reference), + policyProcessor.writePolicies(reference)); + + //write extended attributes + this.writeExtendedAttributes(writer, reference, extensionAttributeProcessor); + + // Write reference interface + extensionProcessor.write(reference.getInterfaceContract(), writer); + + // Write bindings + for (Binding binding : reference.getBindings()) { + extensionProcessor.write(binding, writer); + } + + // Write callback + if (reference.getCallback() != null) { + Callback callback = reference.getCallback(); + writeStart(writer, CALLBACK, policyProcessor.writePolicies(callback)); + + //write extended attributes + this.writeExtendedAttributes(writer, callback, extensionAttributeProcessor); + + // Write callback bindings + for (Binding binding : callback.getBindings()) { + extensionProcessor.write(binding, writer); + } + + // Write extensions + for (Object extensions : callback.getExtensions()) { + extensionProcessor.write(extensions, writer); + } + + writeEnd(writer); + } + + // Write extensions + for (Object extensions : reference.getExtensions()) { + extensionProcessor.write(extensions, writer); + } + + writeEnd(writer); + } + } + + // Write <property> elements + for (ComponentProperty property : component.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()), + new XAttr(SOURCE, property.getSource()), + new XAttr(FILE, property.getFile()), + policyProcessor.writePolicies(property)); + + //write extended attributes + this.writeExtendedAttributes(writer, property, extensionAttributeProcessor); + + // Write property value + writePropertyValue(property.getValue(), property.getXSDElement(), property.getXSDType(), writer); + + // Write extensions + for (Object extension : property.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEnd(writer); + } + + writeEnd(writer); + } + + // Write <reference> elements + for (Reference reference : composite.getReferences()) { + CompositeReference compositeReference = (CompositeReference)reference; + + // Write list of promoted references + List<String> promote = new ArrayList<String>(); + for (ComponentReference promoted: compositeReference.getPromotedReferences()) { + promote.add(promoted.getName()); + } + + // Write <reference> element + writeStart(writer, REFERENCE, new XAttr(NAME, reference.getName()), + new XAttr(PROMOTE, promote), + writeMultiplicity(reference), + policyProcessor.writePolicies(reference)); + + //write extended attributes + this.writeExtendedAttributes(writer, reference, extensionAttributeProcessor); + + // Write reference interface + extensionProcessor.write(reference.getInterfaceContract(), writer); + + // Write bindings + for (Binding binding : reference.getBindings()) { + extensionProcessor.write(binding, writer); + } + + // Write <callback> element + if (reference.getCallback() != null) { + Callback callback = reference.getCallback(); + writeStart(writer, CALLBACK); + + //write extended attributes + this.writeExtendedAttributes(writer, callback, extensionAttributeProcessor); + + // Write callback bindings + for (Binding binding : callback.getBindings()) { + extensionProcessor.write(binding, writer); + } + + // Write extensions + for (Object extension : callback.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEnd(writer); + } + + // Write extensions + for (Object extension : reference.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEnd(writer); + } + + // Write <property> elements + for (Property property : composite.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 extended attributes + this.writeExtendedAttributes(writer, property, extensionAttributeProcessor); + + // Write property value + writePropertyValue(property.getValue(), property.getXSDElement(), property.getXSDType(), writer); + + // Write extensions + for (Object extension : property.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEnd(writer); + } + + // Write <wire> elements + for (Wire wire : composite.getWires()) { + writeStart(writer, WIRE, new XAttr(SOURCE, wire.getSource().getName()), new XAttr(TARGET, wire + .getTarget().getName())); + + //write extended attributes + this.writeExtendedAttributes(writer, wire, extensionAttributeProcessor); + + // Write extensions + for (Object extension : wire.getExtensions()) { + extensionProcessor.write(extension, writer); + } + writeEnd(writer); + } + + for (Object extension : composite.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEndDocument(writer); + } + + public void resolve(Composite composite, ModelResolver resolver) throws ContributionResolveException { + + // Resolve constraining type + ConstrainingType constrainingType = composite.getConstrainingType(); + if (constrainingType != null) { + constrainingType = resolver.resolveModel(ConstrainingType.class, constrainingType); + composite.setConstrainingType(constrainingType); + } + + // Resolve includes in the composite + for (int i = 0, n = composite.getIncludes().size(); i < n; i++) { + Composite include = composite.getIncludes().get(i); + if (include != null) { + include = resolver.resolveModel(Composite.class, include); + composite.getIncludes().set(i, include); + } + } + + // Resolve extensions + for (Object extension : composite.getExtensions()) { + if (extension != null) { + extensionProcessor.resolve(extension, resolver); + } + } + + //resolve intents and policy sets + List<Intent> compositeIntents = null; + List<PolicySet> compositePolicySets = null; + List<PolicySet> compositeApplicablePolicySets = null; + resolveIntents(composite.getRequiredIntents(), resolver); + resolvePolicySets(composite.getPolicySets(), resolver); + resolvePolicySets(composite.getApplicablePolicySets(), resolver); + compositeIntents = composite.getRequiredIntents(); + compositePolicySets = composite.getPolicySets(); + compositeApplicablePolicySets = composite.getApplicablePolicySets(); + + //Resolve composite services and references + resolveContracts(composite, composite.getServices(), resolver); + resolveContracts(composite, composite.getReferences(), resolver); + + // Resolve component implementations, services and references + for (Component component : composite.getComponents()) { + constrainingType = component.getConstrainingType(); + if (constrainingType != null) { + constrainingType = resolver.resolveModel(ConstrainingType.class, constrainingType); + component.setConstrainingType(constrainingType); + } + + //resolve intents and policy sets + resolveIntents(component.getRequiredIntents(), resolver); + resolvePolicySets(component.getPolicySets(), resolver); + resolvePolicySets(component.getApplicablePolicySets(), resolver); + + //inherit composite intents and policysets + PolicyComputationUtils.addDefaultPolicies(compositeIntents, + compositePolicySets, + component.getRequiredIntents(), + component.getPolicySets()); + + addInheritedPolicySets(compositeApplicablePolicySets, component.getApplicablePolicySets()); + + //resolve component services and references + resolveContracts(component, component.getServices(), resolver); + resolveContracts(component, component.getReferences(), resolver); + + for (ComponentProperty componentProperty : component.getProperties()) { + if (componentProperty.getFile() != null) { + Artifact artifact = contributionFactory.createArtifact(); + artifact.setURI(componentProperty.getFile()); + artifact = resolver.resolveModel(Artifact.class, artifact); + if (artifact.getLocation() != null) { + componentProperty.setFile(artifact.getLocation()); + } + } + } + + //resolve component implementation + Implementation implementation = component.getImplementation(); + if (implementation != null) { + try { + //resolve intents and policysets specified on this implementation + //before copying them over to the component. Before that, from the component + //copy over the applicablePolicySets alone as it might have to be + //used to validate the policysets specified on the implementation + + resolveImplIntentsAndPolicySets(implementation, + component.getApplicablePolicySets(), + resolver); + + copyPoliciesToComponent(component, implementation, resolver, true); + + //now resolve the implementation so that even if there is a shared instance + //for this that is resolved, the specified intents and policysets are safe in the + //component and not lost + implementation = resolveImplementation(implementation, resolver); + + //resolved implementation may contain intents and policysets specified at + //componentType (either in the componentType side file or in annotations if its a + //java implementation). This has to be consolidated in to the component. + copyPoliciesToComponent(component, implementation, resolver, false); + + component.setImplementation(implementation); + } catch ( PolicyValidationException e ) { + error("PolicyImplValidationException", resolver, component.getName(), e.getMessage()); + //throw new ContributionResolveException("PolicyValidation exception when processing implementation of component '" + //+ component.getName() + "' due to " + e.getMessage(), e); + } + + } + + //add model resolver to component + if (component instanceof ResolverExtension) { + ((ResolverExtension)component).setModelResolver(resolver); + } + } + + // Add model resolver to promoted components + for (Service service : composite.getServices()) { + CompositeService compositeService = (CompositeService)service; + Component promotedComponent = compositeService.getPromotedComponent(); + if (promotedComponent instanceof ResolverExtension) { + ((ResolverExtension)promotedComponent).setModelResolver(resolver); + } + } + } + + private void resolveImplIntentsAndPolicySets(Implementation implementation, + List<PolicySet> inheritedApplicablePolicySets, + ModelResolver resolver) throws ContributionResolveException, + PolicyValidationException + { + if ( implementation instanceof PolicySetAttachPoint ) { + PolicySetAttachPoint policiedImpl = (PolicySetAttachPoint)implementation; + + policiedImpl.getApplicablePolicySets().addAll(inheritedApplicablePolicySets); + + resolveIntents(policiedImpl.getRequiredIntents(), resolver); + PolicyValidationUtils.validateIntents(policiedImpl, policiedImpl.getType()); + + resolvePolicySets(policiedImpl.getPolicySets(), resolver); + resolvePolicySets(policiedImpl.getApplicablePolicySets(), resolver); + + PolicyValidationUtils.validatePolicySets(policiedImpl); + + if ( implementation instanceof OperationsConfigurator ) { + for ( ConfiguredOperation implConfOp : ((OperationsConfigurator)implementation).getConfiguredOperations() ) { + resolveIntents(implConfOp.getRequiredIntents(), resolver); + PolicyValidationUtils.validateIntents(implConfOp, policiedImpl.getType()); + + resolvePolicySets(implConfOp.getPolicySets(), resolver); + resolvePolicySets(implConfOp.getApplicablePolicySets(), resolver); + //add the inherited applicablePolicysets + addInheritedPolicySets(policiedImpl.getApplicablePolicySets(), implConfOp.getApplicablePolicySets()); + + PolicyValidationUtils.validatePolicySets(implConfOp, policiedImpl.getType()); + + PolicyComputationUtils.addDefaultPolicies( + ((PolicySetAttachPoint)implementation).getRequiredIntents(), + ((PolicySetAttachPoint)implementation).getPolicySets(), + implConfOp.getRequiredIntents(), + implConfOp.getPolicySets()); + } + } + } + } + + private void copyPoliciesToComponent(Component component, + Implementation implementation, + ModelResolver resolver, + boolean clearImplSettings) throws ContributionResolveException { + if (implementation instanceof PolicySetAttachPoint) { + // Add implementation policies into component, since implementation instances are + // reused and it's likely that this implementation instance will not hold after its resolution. + // On the first call to this method (clearImplSettings=true), we are moving policies from the + // implementation XML element up to the component. In this case if there are mutually exclusive + // policies we must clear the component policy so that the implementation policy "wins". + // On the second call to this method (clearImplSettings=false), we are moving policies from the + // componentType implementation up to the component. In this case if there are mutually + // exclusive policies it is an error. This error will be detected later in the PolicyComputer. + if (clearImplSettings) { + for (Intent intent : ((PolicySetAttachPoint)implementation).getRequiredIntents()) { + for (Intent excluded : intent.getExcludedIntents()) { + if (component.getRequiredIntents().contains(excluded)) { + component.getRequiredIntents().remove(excluded); + } + for (Iterator i = component.getPolicySets().iterator(); i.hasNext(); ) { + PolicySet cmpPolicySet = (PolicySet) i.next(); + if (cmpPolicySet.getProvidedIntents().contains(excluded)) { + i.remove(); + } + } + } + } + for (PolicySet policySet : ((PolicySetAttachPoint)implementation).getPolicySets()) { + for (Intent intent : policySet.getProvidedIntents()) { + for (Intent excluded : intent.getExcludedIntents()) { + if (component.getRequiredIntents().contains(excluded)) { + component.getRequiredIntents().remove(excluded); + } + for (Iterator i = component.getPolicySets().iterator(); i.hasNext(); ) { + PolicySet cmpPolicySet = (PolicySet) i.next(); + if (cmpPolicySet.getProvidedIntents().contains(excluded)) { + i.remove(); + } + } + } + } + } + } + component.getRequiredIntents().addAll(((PolicySetAttachPoint)implementation).getRequiredIntents()); + component.getPolicySets().addAll(((PolicySetAttachPoint)implementation).getPolicySets()); + component.getApplicablePolicySets().addAll(((PolicySetAttachPoint)implementation).getApplicablePolicySets()); + + if ( implementation instanceof OperationsConfigurator ) { + boolean notFound; + List<ConfiguredOperation> opsFromImplementation = new ArrayList<ConfiguredOperation>(); + List<ConfiguredOperation> implConfOperations = + new ArrayList<ConfiguredOperation>(((OperationsConfigurator)implementation).getConfiguredOperations()); + for ( ConfiguredOperation implConfOp : implConfOperations ) { + notFound = true; + for ( ConfiguredOperation compConfOp : ((OperationsConfigurator)component).getConfiguredOperations() ) { + if ( implConfOp.getName().equals(compConfOp.getName()) ) { + notFound = false; + + if (clearImplSettings) { + for (Intent intent : implConfOp.getRequiredIntents()) { + for (Intent excluded : intent.getExcludedIntents()) { + if (compConfOp.getRequiredIntents().contains(excluded)) { + compConfOp.getRequiredIntents().remove(excluded); + } + } + } + for (PolicySet policySet : implConfOp.getPolicySets()) { + for (Intent intent : policySet.getProvidedIntents()) { + for (Intent excluded : intent.getExcludedIntents()) { + if (compConfOp.getRequiredIntents().contains(excluded)) { + compConfOp.getRequiredIntents().remove(excluded); + } + for (Iterator i = compConfOp.getPolicySets().iterator(); i.hasNext(); ) { + PolicySet cmpPolicySet = (PolicySet) i.next(); + if (cmpPolicySet.getProvidedIntents().contains(excluded)) { + i.remove(); + } + } + } + } + } + } + + addInheritedIntents(implConfOp.getRequiredIntents(), compConfOp.getRequiredIntents()); + addInheritedPolicySets(implConfOp.getPolicySets(), compConfOp.getPolicySets()); + addInheritedPolicySets(implConfOp.getApplicablePolicySets(), compConfOp.getApplicablePolicySets()); + } + } + + if ( notFound ) { + opsFromImplementation.add(implConfOp); + } + + if ( clearImplSettings ) { + ((OperationsConfigurator)implementation).getConfiguredOperations().remove(implConfOp); + } + } + ((OperationsConfigurator)component).getConfiguredOperations().addAll(opsFromImplementation); + } + + if ( clearImplSettings ) { + ((PolicySetAttachPoint)implementation).getRequiredIntents().clear(); + ((PolicySetAttachPoint)implementation).getPolicySets().clear(); + } + } + } + + + public QName getArtifactType() { + return COMPOSITE_QNAME; + } + + public Class<Composite> getModelType() { + return Composite.class; + } + + /** + * Returns the model factory extension point to use. + * + * @param extensionPoints + * @return + */ + private static ModelFactoryExtensionPoint modelFactories(ExtensionPointRegistry extensionPoints) { + return extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + } + + /** + * Returns the monitor to use. + * + * @param extensionPoints + * @return + */ + private static Monitor monitor(ExtensionPointRegistry extensionPoints) { + UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); + if (utilities != null) { + MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class); + if (monitorFactory != null) { + return monitorFactory.createMonitor(); + } + } + return null; + } + +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConfiguredOperationProcessor.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConfiguredOperationProcessor.java new file mode 100644 index 0000000000..0f062dbda5 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConfiguredOperationProcessor.java @@ -0,0 +1,108 @@ +/* + * 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 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.ConfiguredOperation; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.policy.PolicyFactory; + +/** + * Processor for dealing with 'operation' elements from composite definitions + * + * @version $Rev$ $Date$ + */ +public class ConfiguredOperationProcessor implements StAXArtifactProcessor<ConfiguredOperation>, Constants{ + + private AssemblyFactory assemblyFactory; + private PolicyAttachPointProcessor policyProcessor; + private PolicyFactory policyFactory; + private Monitor monitor; + + public ConfiguredOperationProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) { + this.assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + this.policyFactory = modelFactories.getFactory(PolicyFactory.class); + this.policyProcessor = new PolicyAttachPointProcessor(policyFactory); + this.monitor = monitor; + } + + public ConfiguredOperation read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + ConfiguredOperation configuredOp = assemblyFactory.createConfiguredOperation(); + + //Read an <operation> + configuredOp.setName(reader.getAttributeValue(null, NAME)); + configuredOp.setContractName(reader.getAttributeValue(null, SERVICE)); + configuredOp.setUnresolved(true); + + // Read policies + policyProcessor.readPolicies(configuredOp, reader); + + //Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && OPERATION_QNAME.equals(reader.getName())) { + break; + } + } + + return configuredOp; + } + + public void write(ConfiguredOperation configuredOperation, XMLStreamWriter writer) + throws ContributionWriteException, XMLStreamException { + + // Write an <operation> + writer.writeStartElement(Constants.SCA10_NS, OPERATION); + policyProcessor.writePolicyAttributes(configuredOperation, writer); + + writer.writeAttribute(NAME, configuredOperation.getName()); + if ( configuredOperation.getContractName() != null ) { + writer.writeAttribute(SERVICE, configuredOperation.getContractName()); + } + writer.writeEndElement(); + } + + public void resolve(ConfiguredOperation configuredOperation, ModelResolver resolver) + throws ContributionResolveException { + } + + public QName getArtifactType() { + return OPERATION_QNAME; + } + + public Class<ConfiguredOperation> getModelType() { + return ConfiguredOperation.class; + } + +} + + diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/Constants.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/Constants.java new file mode 100644 index 0000000000..3bf5a1173b --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/Constants.java @@ -0,0 +1,97 @@ +/* + * 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 javax.xml.namespace.QName; + +/** + * Constants used in SCA assembly XML files. + * + * @version $Rev$ $Date$ + */ +public interface Constants { + String SCA10_NS = "http://www.osoa.org/xmlns/sca/1.0"; + String SCA10_TUSCANY_NS = "http://tuscany.apache.org/xmlns/sca/1.0"; + + String COMPONENT_TYPE = "componentType"; + QName COMPONENT_TYPE_QNAME = new QName(SCA10_NS, COMPONENT_TYPE); + + String SERVICE = "service"; + QName SERVICE_QNAME = new QName(SCA10_NS, SERVICE); + + String REFERENCE = "reference"; + QName REFERENCE_QNAME = new QName(SCA10_NS, REFERENCE); + + String PROPERTY = "property"; + QName PROPERTY_QNAME = new QName(SCA10_NS, PROPERTY); + + String CONSTRAINING_TYPE = "constrainingType"; + QName CONSTRAINING_TYPE_QNAME = new QName(SCA10_NS, CONSTRAINING_TYPE); + + String COMPOSITE = "composite"; + QName COMPOSITE_QNAME = new QName(SCA10_NS, COMPOSITE); + + String INCLUDE = "include"; + QName INCLUDE_QNAME = new QName(SCA10_NS, INCLUDE); + + String COMPONENT = "component"; + QName COMPONENT_QNAME = new QName(SCA10_NS, COMPONENT); + + String WIRE = "wire"; + QName WIRE_QNAME = new QName(SCA10_NS, WIRE); + + String OPERATION = "operation"; + QName OPERATION_QNAME = new QName(SCA10_NS, OPERATION); + + String CALLBACK = "callback"; + QName CALLBACK_QNAME = new QName(SCA10_NS, CALLBACK); + + String IMPLEMENTATION_COMPOSITE = "implementation.composite"; + QName IMPLEMENTATION_COMPOSITE_QNAME = new QName(SCA10_NS, IMPLEMENTATION_COMPOSITE); + + String IMPLEMENTATION = "implementation"; + QName IMPLEMENTATION_QNAME = new QName(SCA10_NS, IMPLEMENTATION); + + String BINDING_SCA = "binding.sca"; + QName BINDING_SCA_QNAME = new QName(Constants.SCA10_NS, BINDING_SCA); + + String NAME = "name"; + String TARGET_NAMESPACE = "targetNamespace"; + String LOCAL = "local"; + String AUTOWIRE = "autowire"; + String REQUIRES = "requires"; + String POLICY_SETS = "policySets"; + String APPLICABLE_POLICY_SETS = "applicablePolicySets"; + String PROMOTE = "promote"; + String TARGET = "target"; + String WIRED_BY_IMPL = "wiredByImpl"; + String MULTIPLICITY = "multiplicity"; + String TYPE = "type"; + String ELEMENT = "element"; + String MANY = "many"; + String MUST_SUPPLY = "mustSupply"; + String SOURCE = "source"; + String FILE = "file"; + String URI = "uri"; + String ZERO_ONE = "0..1"; + String ZERO_N = "0..n"; + String ONE_ONE = "1..1"; + String ONE_N = "1..n"; +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeDocumentProcessor.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeDocumentProcessor.java new file mode 100644 index 0000000000..9758d788f4 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeDocumentProcessor.java @@ -0,0 +1,144 @@ +/* + * 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 java.io.IOException; +import java.io.InputStream; +import java.net.URI; +import java.net.URL; +import java.net.URLConnection; + +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.sca.assembly.ConstrainingType; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ValidatingXMLInputFactory; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.monitor.Monitor; + +/** + * A contrainingType content handler. + * + * @version $Rev$ $Date$ + */ +public class ConstrainingTypeDocumentProcessor extends BaseAssemblyProcessor implements URLArtifactProcessor<ConstrainingType> { + private XMLInputFactory inputFactory; + + + /** + * Construct a new constrainingType processor. + * + * @param staxProcessor + * @param inputFactory + * @param monitor + */ + public ConstrainingTypeDocumentProcessor(StAXArtifactProcessor staxProcessor, + XMLInputFactory inputFactory, + Monitor monitor) { + super(null, null, null, staxProcessor, null, monitor); + this.inputFactory = inputFactory; + } + + + /** + * Constructs a new constrainingType processor. + * @param modelFactories + * @param staxProcessor + * @param monitor + */ + public ConstrainingTypeDocumentProcessor(ModelFactoryExtensionPoint modelFactories, + StAXArtifactProcessor staxProcessor, + Monitor monitor) { + super(null, null, null, staxProcessor, null, monitor); + this.inputFactory = modelFactories.getFactory(ValidatingXMLInputFactory.class); + } + + public ConstrainingType read(URL contributionURL, URI uri, URL url) throws ContributionReadException { + InputStream urlStream = null; + try { + + // Create a stream reader + URLConnection connection = url.openConnection(); + connection.setUseCaches(false); + urlStream = connection.getInputStream(); + XMLStreamReader reader = inputFactory.createXMLStreamReader(url.toString(), urlStream); + reader.nextTag(); + + // Read the constrainingType model + ConstrainingType constrainingType = (ConstrainingType)extensionProcessor.read(reader); + + // For debugging purposes, write it back to XML +// if (constrainingType != null) { +// try { +// ByteArrayOutputStream bos = new ByteArrayOutputStream(); +// XMLOutputFactory outputFactory = XMLOutputFactory.newInstance(); +// outputFactory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.TRUE); +// extensionProcessor.write(constrainingType, outputFactory.createXMLStreamWriter(bos)); +// Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(bos.toByteArray())); +// OutputFormat format = new OutputFormat(); +// format.setIndenting(true); +// format.setIndent(2); +// XMLSerializer serializer = new XMLSerializer(System.out, format); +// serializer.serialize(document); +// } catch (Exception e) { +// e.printStackTrace(); +// } +// } + + return constrainingType; + + } catch (XMLStreamException e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", inputFactory, ce); + throw ce; + } catch (IOException e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", inputFactory, ce); + throw ce; + } finally { + try { + if (urlStream != null) { + urlStream.close(); + urlStream = null; + } + } catch (IOException ioe) { + //ignore + } + } + } + + public void resolve(ConstrainingType constrainingType, ModelResolver resolver) throws ContributionResolveException { + extensionProcessor.resolve(constrainingType, resolver); + } + + public String getArtifactType() { + return ".constrainingType"; + } + + public Class<ConstrainingType> getModelType() { + return ConstrainingType.class; + } +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeModelResolver.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeModelResolver.java new file mode 100644 index 0000000000..7dd95e3944 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeModelResolver.java @@ -0,0 +1,83 @@ +/* + * 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 java.util.HashMap; +import java.util.Map; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.ConstrainingType; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.Import; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.namespace.NamespaceImport; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + +/** + * A Model Resolver for ConstrainingType models. + * + * @version $Rev$ $Date$ + */ +public class ConstrainingTypeModelResolver implements ModelResolver { + + private Contribution contribution; + private Map<QName, ConstrainingType> map = new HashMap<QName, ConstrainingType>(); + + public ConstrainingTypeModelResolver(Contribution contribution, ModelFactoryExtensionPoint modelFactories) { + this.contribution = contribution; + } + + public void addModel(Object resolved) { + ConstrainingType composite = (ConstrainingType)resolved; + map.put(composite.getName(), composite); + } + + public Object removeModel(Object resolved) { + return map.remove(((ConstrainingType)resolved).getName()); + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved) { + + // Lookup a definition for the given namespace + QName qname = ((ConstrainingType)unresolved).getName(); + ConstrainingType resolved = (ConstrainingType) map.get(qname); + if (resolved != null) { + return modelClass.cast(resolved); + } + + // No definition found, delegate the resolution to the imports + for (Import import_ : this.contribution.getImports()) { + if (import_ instanceof NamespaceImport) { + NamespaceImport namespaceImport = (NamespaceImport)import_; + if (namespaceImport.getNamespace().equals(qname.getNamespaceURI())) { + + // Delegate the resolution to the import resolver + resolved = namespaceImport.getModelResolver().resolveModel(ConstrainingType.class, (ConstrainingType)unresolved); + if (!resolved.isUnresolved()) { + return modelClass.cast(resolved); + } + } + } + } + return (T)unresolved; + } + +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeProcessor.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeProcessor.java new file mode 100644 index 0000000000..525ffd02e3 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeProcessor.java @@ -0,0 +1,292 @@ +/* + * 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 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.AbstractContract; +import org.apache.tuscany.sca.assembly.AbstractProperty; +import org.apache.tuscany.sca.assembly.AbstractReference; +import org.apache.tuscany.sca.assembly.AbstractService; +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.ConstrainingType; +import org.apache.tuscany.sca.assembly.ExtensionFactory; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +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.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +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.monitor.Monitor; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.w3c.dom.Document; + +/** + * A constrainingType processor. + * + * @version $Rev$ $Date$ + */ +public class ConstrainingTypeProcessor extends BaseAssemblyProcessor implements StAXArtifactProcessor<ConstrainingType> { + + /** + * Construct a new constrainingType processor. + * @param assemblyFactory + * @param policyFactory + * @param extensionProcessor + */ + public ConstrainingTypeProcessor(AssemblyFactory assemblyFactory, + ExtensionFactory extensionFactory, + PolicyFactory policyFactory, + StAXArtifactProcessor extensionProcessor, + StAXAttributeProcessor extensionAttributeProcessor, + Monitor monitor) { + super(assemblyFactory, extensionFactory, policyFactory, extensionProcessor, extensionAttributeProcessor, monitor); + } + + /** + * Constructs a new constrainingType processor. + * + * @param modelFactories + * @param extensionProcessor + */ + public ConstrainingTypeProcessor(ModelFactoryExtensionPoint modelFactories, + StAXArtifactProcessor extensionProcessor, + StAXAttributeProcessor extensionAttributeProcessor, + Monitor monitor) { + super(modelFactories.getFactory(AssemblyFactory.class), + modelFactories.getFactory(ExtensionFactory.class), + modelFactories.getFactory(PolicyFactory.class), + extensionProcessor, + extensionAttributeProcessor, + monitor); + } + + public ConstrainingType read(XMLStreamReader reader) throws ContributionReadException { + ConstrainingType constrainingType = null; + AbstractService abstractService = null; + AbstractReference abstractReference = null; + AbstractProperty abstractProperty = null; + AbstractContract abstractContract = null; + QName name = null; + + try { + // Read the constrainingType document + while (reader.hasNext()) { + int event = reader.getEventType(); + switch (event) { + + case START_ELEMENT: + name = reader.getName(); + + // Read a <constrainingType> + if (Constants.CONSTRAINING_TYPE_QNAME.equals(name)) { + constrainingType = assemblyFactory.createConstrainingType(); + constrainingType.setName(new QName(getString(reader, TARGET_NAMESPACE), getString(reader, NAME))); + policyProcessor.readPolicies(constrainingType, reader); + + } else if (Constants.SERVICE_QNAME.equals(name)) { + + // Read a <service> + abstractService = assemblyFactory.createAbstractService(); + abstractContract = abstractService; + abstractService.setName(getString(reader, Constants.NAME)); + constrainingType.getServices().add(abstractService); + policyProcessor.readPolicies(abstractService, reader); + + } else if (Constants.REFERENCE_QNAME.equals(name)) { + + // Read a <reference> + abstractReference = assemblyFactory.createAbstractReference(); + abstractContract = abstractReference; + abstractReference.setName(getString(reader, Constants.NAME)); + readMultiplicity(abstractReference, reader); + constrainingType.getReferences().add(abstractReference); + policyProcessor.readPolicies(abstractReference, reader); + + } else if (Constants.PROPERTY_QNAME.equals(name)) { + + // Read a <property> + abstractProperty = assemblyFactory.createAbstractProperty(); + readAbstractProperty(abstractProperty, reader); + + // Read the property value + Document value = readPropertyValue(abstractProperty.getXSDElement(), abstractProperty.getXSDType(), reader); + abstractProperty.setValue(value); + + constrainingType.getProperties().add(abstractProperty); + policyProcessor.readPolicies(abstractProperty, reader); + + } else if (OPERATION_QNAME.equals(name)) { + + // Read an <operation> + Operation operation = new OperationImpl(); + operation.setName(getString(reader, NAME)); + operation.setUnresolved(true); + policyProcessor.readPolicies(abstractContract, operation, reader); + + } else { + + // Read an extension element + Object extension = extensionProcessor.read(reader); + if (extension instanceof InterfaceContract) { + + // <service><interface> and <reference><interface> + abstractContract.setInterfaceContract((InterfaceContract)extension); + } else { + + // Add the extension element to the current element + if (abstractContract != null) { + abstractContract.getExtensions().add(extension); + } else { + constrainingType.getExtensions().add(extension); + } + + } + } + break; + + case END_ELEMENT: + name = reader.getName(); + + // Clear current state when reading reaching end element + if (SERVICE_QNAME.equals(name)) { + abstractService = null; + abstractContract = null; + } else if (REFERENCE_QNAME.equals(name)) { + abstractReference = null; + abstractContract = null; + } else if (PROPERTY_QNAME.equals(name)) { + abstractProperty = null; + } + break; + } + if (reader.hasNext()) { + reader.next(); + } + } + } + catch (XMLStreamException e) { + ContributionReadException ex = new ContributionReadException(e); + error("XMLStreamException", reader, ex); + } + + return constrainingType; + } + + public void write(ConstrainingType constrainingType, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write <constrainingType> element + writeStartDocument(writer, CONSTRAINING_TYPE, + new XAttr(TARGET_NAMESPACE, constrainingType.getName().getNamespaceURI()), + new XAttr(NAME, constrainingType.getName().getLocalPart()), + policyProcessor.writePolicies(constrainingType)); + + // Write <service> elements + for (AbstractService service : constrainingType.getServices()) { + writeStart(writer, SERVICE, new XAttr(NAME, service.getName()), + policyProcessor.writePolicies(service)); + + extensionProcessor.write(service.getInterfaceContract(), writer); + + for (Object extension: service.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEnd(writer); + } + + // Write <reference> elements + for (AbstractReference reference : constrainingType.getReferences()) { + writeStart(writer, REFERENCE, new XAttr(NAME, reference.getName()), + writeMultiplicity(reference), + policyProcessor.writePolicies(reference)); + + extensionProcessor.write(reference.getInterfaceContract(), writer); + + for (Object extension: reference.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEnd(writer); + } + + // Write <property> elements + for (AbstractProperty abstractProperty : constrainingType.getProperties()) { + writeStart(writer, + PROPERTY, + new XAttr(NAME, abstractProperty.getName()), + new XAttr(MUST_SUPPLY, abstractProperty.isMustSupply()), + new XAttr(MANY, abstractProperty.isMany()), + new XAttr(TYPE, abstractProperty.getXSDType()), + new XAttr(ELEMENT, abstractProperty.getXSDElement()), + policyProcessor.writePolicies(abstractProperty)); + + // Write property value + writePropertyValue(abstractProperty.getValue(), abstractProperty.getXSDElement(), abstractProperty.getXSDType(), writer); + + // Write extensions + for (Object extension : abstractProperty.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEnd(writer); + } + + // Write extension elements + for (Object extension: constrainingType.getExtensions()) { + extensionProcessor.write(extension, writer); + } + + writeEndDocument(writer); + } + + public void resolve(ConstrainingType constrainingType, ModelResolver resolver) throws ContributionResolveException { + // Resolve component type services and references + resolveAbstractContracts(constrainingType.getServices(), resolver); + resolveAbstractContracts(constrainingType.getReferences(), resolver); + + resolveIntents(constrainingType.getRequiredIntents(), resolver); + for ( AbstractService service : constrainingType.getServices() ) { + resolveIntents(service.getRequiredIntents(), resolver); + } + + for ( AbstractReference reference : constrainingType.getReferences() ) { + resolveIntents(reference.getRequiredIntents(), resolver); + } + } + + public QName getArtifactType() { + return CONSTRAINING_TYPE_QNAME; + } + + public Class<ConstrainingType> getModelType() { + return ConstrainingType.class; + } +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/DefaultBeanModelProcessor.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/DefaultBeanModelProcessor.java new file mode 100644 index 0000000000..467ed37638 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/DefaultBeanModelProcessor.java @@ -0,0 +1,258 @@ +/* + * 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 java.lang.reflect.Method; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +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.Base; +import org.apache.tuscany.sca.assembly.ComponentType; +import org.apache.tuscany.sca.assembly.ExtensionFactory; +import org.apache.tuscany.sca.assembly.Implementation; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; + +/** + * Default Model Processor for beans. + * + * @version $Rev$ $Date$ + */ +public class DefaultBeanModelProcessor<T> extends BaseAssemblyProcessor implements StAXArtifactProcessor<T> { + + private QName artifactType; + private Class<T> modelClass; + private Object modelFactory; + private Method factoryMethod; + private Map<String, Method> setterMethods = new HashMap<String, Method>(); + private Map<String, Method> getterMethods = new HashMap<String, Method>(); + + public DefaultBeanModelProcessor(AssemblyFactory assemblyFactory, + ExtensionFactory extensionFactory, + PolicyFactory policyFactory, + QName artifactType, + Class<T> modelClass, + Object modelFactory, + Monitor monitor) { + super(assemblyFactory, extensionFactory, policyFactory, null, null, monitor); + this.artifactType = artifactType; + this.modelClass = modelClass; + this.modelFactory = modelFactory; + + // Introspect the factory class and bean model class + if (modelFactory != null) { + + // Find the model create method + for (Method method: modelFactory.getClass().getMethods()) { + if (method.getName().startsWith("create") && method.getReturnType() == modelClass) { + factoryMethod = method; + break; + } + } + } + + // Index the bean's setter methods + for (Method method: modelClass.getMethods()) { + Method getter; + String name = method.getName(); + if (name.startsWith("set") && name.length() > 3) { + + // Get the corresponding getter method + try { + getter = modelClass.getMethod("get" + name.substring(3)); + } catch (Exception e) { + getter = null; + continue; + } + + // Get the property name + name = name.substring(3); + if (name.length() > 1) { + if (!name.toUpperCase().equals(name)) { + name = name.substring(0, 1).toLowerCase() + name.substring(1); + } + } + } else { + continue; + } + + // Map an uppercase property name to a lowercase attribute name + if (name.toUpperCase().equals(name)) { + name = name.toLowerCase(); + } + + // Trim trailing _ from property names + if (name.endsWith("_")) { + name = name.substring(0, name.length()-1); + } + setterMethods.put(name, method); + getterMethods.put(name, getter); + } + } + + public T read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + + // Read an element + try { + + // Create a new instance of the model + Object model; + if (modelFactory != null) { + // Invoke the factory create method + model = factoryMethod.invoke(modelFactory); + } else { + // Invoke the model bean class default constructor + model = modelClass.newInstance(); + } + + // Initialize the bean properties with the attributes found in the + // XML element + for (int i = 0, n = reader.getAttributeCount(); i < n; i++) { + String attributeName = reader.getAttributeLocalName(i); + Method setter = setterMethods.get(attributeName); + if (setter != null) { + String value = reader.getAttributeValue(i); + setter.invoke(model, value); + } + } + + // Read policies + policyProcessor.readPolicies(model, reader); + + // FIXME read extension elements + + // By default mark the model object unresolved + if (model instanceof Base) { + ((Base)model).setUnresolved(true); + } + + // Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && artifactType.equals(reader.getName())) { + break; + } + } + return (T) model; + + } catch (Exception e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", reader, ce); + throw ce; + } + } + + public void write(T bean, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + try { + // Write the bean properties as attributes + List<XAttr> attrs = new ArrayList<XAttr>(); + for (Map.Entry<String, Method> entry: getterMethods.entrySet()) { + if (entry.getValue().getReturnType() == String.class) { + String value = (String)entry.getValue().invoke(bean); + attrs.add(new XAttr(entry.getKey(), value)); + } + } + + // Write element + writeStart(writer, artifactType.getNamespaceURI(), artifactType.getLocalPart(), + policyProcessor.writePolicies(bean), new XAttr(null, attrs)); + + writeEnd(writer); + + } catch (Exception e) { + ContributionWriteException ce = new ContributionWriteException(e); + error("ContributionWriteException", writer, ce); + throw ce; + } + } + + public void resolve(T bean, ModelResolver resolver) throws ContributionResolveException { + + // Resolve and merge the component type associated with an + // implementation model + if (bean instanceof Implementation) { + Implementation implementation = (Implementation)bean; + String uri = implementation.getURI(); + if (uri != null) { + int d = uri.lastIndexOf('.'); + if (d != -1) { + uri = uri.substring(0, d) + ".componentType"; + + // Resolve the component type + ComponentType componentType = assemblyFactory.createComponentType(); + componentType.setURI(uri); + componentType.setUnresolved(true); + + componentType = resolver.resolveModel(ComponentType.class, componentType); + if (componentType != null && !componentType.isUnresolved()) { + + // We found a component type, merge it into the implementation model + implementation.getServices().addAll(componentType.getServices()); + implementation.getReferences().addAll(componentType.getReferences()); + implementation.getProperties().addAll(componentType.getProperties()); + implementation.setConstrainingType(componentType.getConstrainingType()); + + if (implementation instanceof PolicySetAttachPoint && + componentType instanceof PolicySetAttachPoint ) { + PolicySetAttachPoint policiedImpl = (PolicySetAttachPoint)implementation; + PolicySetAttachPoint policiedCompType = (PolicySetAttachPoint)componentType; + + if ( policiedImpl.getPolicySets() != null) { + policiedImpl.getPolicySets().addAll(policiedCompType.getPolicySets()); + } + if (policiedImpl.getRequiredIntents() != null) { + policiedImpl.getRequiredIntents().addAll(policiedCompType.getRequiredIntents()); + } + } + } + } + } + } + + // Mark the model resolved + if (bean instanceof Base) { + ((Base)bean).setUnresolved(false); + } + } + + public QName getArtifactType() { + return artifactType; + } + + public Class<T> getModelType() { + return modelClass; + } + +} diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/PolicyAttachPointProcessor.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/PolicyAttachPointProcessor.java new file mode 100644 index 0000000000..44be1b6de1 --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/PolicyAttachPointProcessor.java @@ -0,0 +1,257 @@ +/* + * 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 java.util.ArrayList; +import java.util.List; +import java.util.StringTokenizer; + +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.contribution.processor.BaseStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.policy.Intent; +import org.apache.tuscany.sca.policy.IntentAttachPoint; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.apache.tuscany.sca.policy.PolicySet; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; + +/** + * A Policy Attach Point processor. + * + * @version $Rev$ $Date$ + */ +public class PolicyAttachPointProcessor extends BaseStAXArtifactProcessor implements Constants { + + private PolicyFactory policyFactory; + + public PolicyAttachPointProcessor(PolicyFactory policyFactory) { + this.policyFactory = policyFactory; + } + + /** + * Read policy intents associated with an operation. + * @param attachPoint + * @param operation + * @param reader + */ + private void readIntents(Object attachPoint, Operation operation, XMLStreamReader reader) { + if (!(attachPoint instanceof IntentAttachPoint)) + return; + IntentAttachPoint intentAttachPoint = (IntentAttachPoint)attachPoint; + String value = reader.getAttributeValue(null, REQUIRES); + if (value != null) { + List<Intent> requiredIntents = intentAttachPoint.getRequiredIntents(); + for (StringTokenizer tokens = new StringTokenizer(value); tokens.hasMoreTokens();) { + QName qname = getQNameValue(reader, tokens.nextToken()); + Intent intent = policyFactory.createIntent(); + intent.setName(qname); + if (operation != null) { + //FIXME Don't we need to handle intent specification + // on an operation basis? + //intent.getOperations().add(operation); + } + requiredIntents.add(intent); + } + } + } + + /** + * Reads policy intents and policy sets associated with an operation. + * @param attachPoint + * @param operation + * @param reader + */ + public void readPolicies(Object attachPoint, Operation operation, XMLStreamReader reader) { + readIntents(attachPoint, operation, reader); + readPolicySets(attachPoint, operation, reader); + } + + /** + * Reads policy intents and policy sets. + * @param attachPoint + * @param reader + */ + public void readPolicies(Object attachPoint, XMLStreamReader reader) { + readPolicies(attachPoint, null, reader); + } + + /** + * Reads policy sets associated with an operation. + * @param attachPoint + * @param operation + * @param reader + */ + private void readPolicySets(Object attachPoint, Operation operation, XMLStreamReader reader) { + if (!(attachPoint instanceof PolicySetAttachPoint)) { + return; + } + PolicySetAttachPoint policySetAttachPoint = (PolicySetAttachPoint)attachPoint; + String value = reader.getAttributeValue(null, POLICY_SETS); + if (value != null) { + List<PolicySet> policySets = policySetAttachPoint.getPolicySets(); + for (StringTokenizer tokens = new StringTokenizer(value); tokens.hasMoreTokens();) { + QName qname = getQNameValue(reader, tokens.nextToken()); + PolicySet policySet = policyFactory.createPolicySet(); + policySet.setName(qname); + if (operation != null) { + //FIXME Don't we need to handle policySet specification + // on an operation basis? + //policySet.getOperations().add(operation); + } + policySets.add(policySet); + } + } + + value = reader.getAttributeValue(SCA10_TUSCANY_NS, APPLICABLE_POLICY_SETS); + if (value != null) { + List<PolicySet> applicablePolicySets = policySetAttachPoint.getApplicablePolicySets(); + for (StringTokenizer tokens = new StringTokenizer(value); tokens.hasMoreTokens();) { + QName qname = getQNameValue(reader, tokens.nextToken()); + PolicySet policySet = policyFactory.createPolicySet(); + policySet.setName(qname); + if (operation != null) { + //FIXME Don't we need to handle policySet specification + // on an operation basis? + //policySet.getOperations().add(operation); + } + applicablePolicySets.add(policySet); + } + } + } + + /** + * Write policies + * @param attachPoint + * @return + */ + XAttr writePolicies(Object attachPoint) throws XMLStreamException { + return writePolicies(attachPoint, (Operation)null); + } + + /** + * Write policies + * @param attachPoint + * @return + */ + public void writePolicyAttributes(Object attachPoint, XMLStreamWriter writer) throws XMLStreamException { + writePolicyAttributes(attachPoint, (Operation)null, writer); + } + + /** + * Write policies associated with an operation + * @param attachPoint + * @param operation + * @return + */ + XAttr writePolicies(Object attachPoint, Operation operation) { + List<XAttr> attrs =new ArrayList<XAttr>(); + attrs.add(writeIntents(attachPoint, operation)); + attrs.add(writePolicySets(attachPoint, operation)); + return new XAttr(null, attrs); + } + + /** + * Write policies + * @param attachPoint + * @return + */ + public void writePolicyAttributes(Object attachPoint, Operation operation, XMLStreamWriter writer) throws XMLStreamException { + XAttr attr = writePolicies(attachPoint, operation); + attr.write(writer); + } + + /** + * Write policies + * @param attachPoint + * @return + */ + public void writePolicyPrefixes(Object attachPoint, Operation operation, XMLStreamWriter writer) throws XMLStreamException { + XAttr attr = writePolicies(attachPoint, operation); + attr.writePrefix(writer); + } + + /** + * Write policy intents associated with an operation. + * @param attachPoint + * @param operation + */ + private XAttr writeIntents(Object attachPoint, Operation operation) { + if (!(attachPoint instanceof IntentAttachPoint)) { + return null; + } + IntentAttachPoint intentAttachPoint = (IntentAttachPoint)attachPoint; + List<QName> qnames = new ArrayList<QName>(); + for (Intent intent: intentAttachPoint.getRequiredIntents()) { + qnames.add(intent.getName()); + } + return new XAttr(Constants.REQUIRES, qnames); + } + + /** + * Write policy sets associated with an operation. + * @param attachPoint + * @param operation + */ + private XAttr writePolicySets(Object attachPoint, Operation operation) { + if (!(attachPoint instanceof PolicySetAttachPoint)) { + return null; + } + PolicySetAttachPoint policySetAttachPoint = (PolicySetAttachPoint)attachPoint; + List<QName> qnames = new ArrayList<QName>(); + for (PolicySet policySet: policySetAttachPoint.getPolicySets()) { + qnames.add(policySet.getName()); + } + return new XAttr(Constants.POLICY_SETS, qnames); + } + + public void resolvePolicies(Object attachPoint, ModelResolver resolver) { + if ( attachPoint instanceof PolicySetAttachPoint ) { + PolicySetAttachPoint policySetAttachPoint = (PolicySetAttachPoint)attachPoint; + + List<Intent> requiredIntents = new ArrayList<Intent>(); + Intent resolvedIntent = null; + + if ( policySetAttachPoint.getRequiredIntents() != null && policySetAttachPoint.getRequiredIntents().size() > 0 ) { + for ( Intent intent : policySetAttachPoint.getRequiredIntents() ) { + resolvedIntent = resolver.resolveModel(Intent.class, intent); + requiredIntents.add(resolvedIntent); + } + policySetAttachPoint.getRequiredIntents().clear(); + policySetAttachPoint.getRequiredIntents().addAll(requiredIntents); + } + + if ( policySetAttachPoint.getPolicySets() != null && policySetAttachPoint.getPolicySets().size() > 0 ) { + List<PolicySet> resolvedPolicySets = new ArrayList<PolicySet>(); + PolicySet resolvedPolicySet = null; + for ( PolicySet policySet : policySetAttachPoint.getPolicySets() ) { + resolvedPolicySet = resolver.resolveModel(PolicySet.class, policySet); + resolvedPolicySets.add(resolvedPolicySet); + } + policySetAttachPoint.getPolicySets().clear(); + policySetAttachPoint.getPolicySets().addAll(resolvedPolicySets); + } + } + } +} |