diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2008-09-11 04:13:16 +0000 |
---|---|---|
committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2008-09-11 04:13:16 +0000 |
commit | a3ce58076d0ce2d2f09c2331ea499554e9b5a9f9 (patch) | |
tree | 83e79cf76ae58c58d216a4396c0cf3532bc3d160 /branches/sca-trunk-20080910/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java | |
parent | 28f92c6fc62f3bc0637ac77681aabcc8c0b5e42c (diff) |
Renaming branch
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@694108 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'branches/sca-trunk-20080910/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java')
-rw-r--r-- | branches/sca-trunk-20080910/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java | 1116 |
1 files changed, 0 insertions, 1116 deletions
diff --git a/branches/sca-trunk-20080910/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java b/branches/sca-trunk-20080910/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java deleted file mode 100644 index c1a8bb5b86..0000000000 --- a/branches/sca-trunk-20080910/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java +++ /dev/null @@ -1,1116 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.assembly.xml; - -import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; -import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; - -import 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.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.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.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, - Monitor monitor) { - this(modelFactories(extensionPoints), extensionProcessor, monitor(extensionPoints)); - } - - /** - * Constructs a new composite processor - * - * @param modelFactories - * @param extensionProcessor - * @param monitor - */ - private CompositeProcessor(ModelFactoryExtensionPoint modelFactories, - StAXArtifactProcessor extensionProcessor, - Monitor monitor) { - super(modelFactories.getFactory(ContributionFactory.class), - modelFactories.getFactory(AssemblyFactory.class), - modelFactories.getFactory(PolicyFactory.class), - extensionProcessor, monitor); - } - - /** - * Construct a new composite processor - * - * @param contributionFactory - * @param assemblyFactory - * @param policyFactory - * @param extensionProcessor - */ - public CompositeProcessor(ContributionFactory contributionFactory, - AssemblyFactory assemblyFactory, - PolicyFactory policyFactory, - StAXArtifactProcessor extensionProcessor, - Monitor monitor) { - super(contributionFactory, assemblyFactory, policyFactory, extensionProcessor, monitor); - } - - public Composite read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { - 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; - - // 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)); - } - 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)); - 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); - } - - 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)); - 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)); - 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)); - 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)); - } - 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); - - composite.getWires().add(wire); - policyProcessor.readPolicies(wire, reader); - - } else if (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> - 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); - 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(); - } - } - 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(AUTOWIRE, composite.getAutowire()), - policyProcessor.writePolicies(composite)); - - // 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)); - 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 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 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 the component implementation - Implementation implementation = component.getImplementation(); - if (implementation instanceof Composite) { - writeStart(writer, IMPLEMENTATION_COMPOSITE, new XAttr(NAME, ((Composite)implementation).getName())); - writeEnd(writer); - } else { - extensionProcessor.write(component.getImplementation(), writer); - } - - // Write <service> elements - for (ComponentService service : component.getServices()) { - writeStart(writer, SERVICE, new XAttr(NAME, service.getName()), - policyProcessor.writePolicies(service)); - - // 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 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()) { - writeStart(writer, REFERENCE, new XAttr(NAME, reference.getName()), - new XAttr(AUTOWIRE, reference.getAutowire()), - writeTargets(reference), - policyProcessor.writePolicies(reference)); - - // 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 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 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), - policyProcessor.writePolicies(reference)); - - // 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 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 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 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; - } - -} |