diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta2-RC1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java')
| -rw-r--r-- | sca-java-2.x/tags/2.0-Beta2-RC1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java | 1265 |
1 files changed, 0 insertions, 1265 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta2-RC1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java b/sca-java-2.x/tags/2.0-Beta2-RC1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java deleted file mode 100644 index 320db7ab82..0000000000 --- a/sca-java-2.x/tags/2.0-Beta2-RC1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java +++ /dev/null @@ -1,1265 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.assembly.xml; - -import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; -import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; -import static org.apache.tuscany.sca.assembly.xml.Constants.AUTOWIRE; -import static org.apache.tuscany.sca.assembly.xml.Constants.CALLBACK; -import static org.apache.tuscany.sca.assembly.xml.Constants.CALLBACK_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.COMPONENT; -import static org.apache.tuscany.sca.assembly.xml.Constants.COMPONENT_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.COMPOSITE; -import static org.apache.tuscany.sca.assembly.xml.Constants.COMPOSITE_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.ELEMENT; -import static org.apache.tuscany.sca.assembly.xml.Constants.EXTENSION_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.FILE; -import static org.apache.tuscany.sca.assembly.xml.Constants.IMPLEMENTATION_COMPOSITE; -import static org.apache.tuscany.sca.assembly.xml.Constants.IMPLEMENTATION_COMPOSITE_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.INCLUDE; -import static org.apache.tuscany.sca.assembly.xml.Constants.INCLUDE_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.INTENTS; -import static org.apache.tuscany.sca.assembly.xml.Constants.LOCAL; -import static org.apache.tuscany.sca.assembly.xml.Constants.MANY; -import static org.apache.tuscany.sca.assembly.xml.Constants.MUST_SUPPLY; -import static org.apache.tuscany.sca.assembly.xml.Constants.NAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.NONOVERRIDABLE; -import static org.apache.tuscany.sca.assembly.xml.Constants.POLICY_SET_ATTACHMENT_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.PROMOTE; -import static org.apache.tuscany.sca.assembly.xml.Constants.PROPERTY; -import static org.apache.tuscany.sca.assembly.xml.Constants.PROPERTY_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.REFERENCE; -import static org.apache.tuscany.sca.assembly.xml.Constants.REFERENCE_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.REPLACE; -import static org.apache.tuscany.sca.assembly.xml.Constants.REQUIRES_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.SCA11_NS; -import static org.apache.tuscany.sca.assembly.xml.Constants.SERVICE; -import static org.apache.tuscany.sca.assembly.xml.Constants.SERVICE_QNAME; -import static org.apache.tuscany.sca.assembly.xml.Constants.SOURCE; -import static org.apache.tuscany.sca.assembly.xml.Constants.TARGET; -import static org.apache.tuscany.sca.assembly.xml.Constants.TARGET_NAMESPACE; -import static org.apache.tuscany.sca.assembly.xml.Constants.TYPE; -import static org.apache.tuscany.sca.assembly.xml.Constants.URI; -import static org.apache.tuscany.sca.assembly.xml.Constants.WIRE; -import static org.apache.tuscany.sca.assembly.xml.Constants.WIRED_BY_IMPL; -import static org.apache.tuscany.sca.assembly.xml.Constants.WIRE_QNAME; - -import java.util.ArrayList; -import java.util.List; -import java.util.StringTokenizer; - -import javax.xml.namespace.QName; -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 javax.xml.xpath.XPathExpressionException; - -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.Contract; -import org.apache.tuscany.sca.assembly.Implementation; -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.common.xml.stax.StAXHelper; -import org.apache.tuscany.sca.common.xml.xpath.XPathHelper; -import org.apache.tuscany.sca.contribution.Artifact; -import org.apache.tuscany.sca.contribution.Contribution; -import org.apache.tuscany.sca.contribution.ContributionFactory; -import org.apache.tuscany.sca.contribution.processor.ContributionReadException; -import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; -import org.apache.tuscany.sca.contribution.processor.ContributionWriteException; -import org.apache.tuscany.sca.contribution.processor.ProcessorContext; -import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; -import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessor; -import org.apache.tuscany.sca.contribution.resolver.ModelResolver; -import org.apache.tuscany.sca.contribution.resolver.ResolverExtension; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.interfacedef.InterfaceContract; -import org.apache.tuscany.sca.monitor.Monitor; -import org.apache.tuscany.sca.policy.ExtensionType; -import org.apache.tuscany.sca.policy.Intent; -import org.apache.tuscany.sca.policy.PolicyFactory; -import org.apache.tuscany.sca.policy.PolicySet; -import org.apache.tuscany.sca.policy.PolicySubject; -import org.apache.tuscany.sca.xsd.XSDFactory; -import org.apache.tuscany.sca.xsd.XSDefinition; -import org.w3c.dom.Document; -import org.w3c.dom.Node; -import org.w3c.dom.NodeList; - -/** - * A composite processor. - * - * @version $Rev$ $Date$ - */ -public class CompositeProcessor extends BaseAssemblyProcessor implements StAXArtifactProcessor<Composite> { - private XPathHelper xpathHelper; - private PolicyFactory intentAttachPointTypeFactory; - private StAXAttributeProcessor<Object> extensionAttributeProcessor; - private ContributionFactory contributionFactory; - private XSDFactory xsdFactory; - - private StAXHelper staxHelper; - - /** - * Construct a new composite processor - * - * @param extensionPoints - * @param extensionProcessor - */ - public CompositeProcessor(ExtensionPointRegistry extensionPoints, - StAXArtifactProcessor extensionProcessor, - StAXAttributeProcessor extensionAttributeProcessor) { - - this(modelFactories(extensionPoints), extensionProcessor, extensionAttributeProcessor); - - this.xpathHelper = XPathHelper.getInstance(extensionPoints); - this.extensionAttributeProcessor = extensionAttributeProcessor; - - this.xsdFactory = extensionPoints.getExtensionPoint(XSDFactory.class); - - // - staxHelper = StAXHelper.getInstance(extensionPoints); - } - - /** - * Constructs a new composite processor - * - * @param modelFactories - * @param extensionProcessor - * @param monitor - */ - private CompositeProcessor(FactoryExtensionPoint modelFactories, - StAXArtifactProcessor extensionProcessor, - StAXAttributeProcessor extensionAttributeProcessor) { - - super(modelFactories, extensionProcessor); - this.intentAttachPointTypeFactory = modelFactories.getFactory(PolicyFactory.class); - this.contributionFactory = modelFactories.getFactory(ContributionFactory.class); - this.extensionAttributeProcessor = extensionAttributeProcessor; - - this.xsdFactory = modelFactories.getFactory(XSDFactory.class); - } - - public Composite read(XMLStreamReader reader, ProcessorContext context) 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; - Monitor monitor = context.getMonitor(); - 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.setSpecVersion(Constants.SCA11_NS); - - composite.setName(new QName(getURIString(reader, TARGET_NAMESPACE), getString(reader, NAME))); - - if (!isSet(reader, TARGET_NAMESPACE)) { - // spec says that a composite must have a namespace - warning(monitor, "NoCompositeNamespace", composite, composite.getName().toString()); - } - - if (isSet(reader, AUTOWIRE)) { - composite.setAutowire(getBoolean(reader, AUTOWIRE)); - } - - //handle extension attributes - this.readExtendedAttributes(reader, name, composite, extensionAttributeProcessor, context); - - composite.setLocal(getBoolean(reader, LOCAL)); - policyProcessor.readPolicies(composite, reader); - - } else if (INCLUDE_QNAME.equals(name)) { - - // Read an <include> - include = assemblyFactory.createComposite(); - include.setName(getQName(reader, NAME)); - include.setURI(getURIString(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, name, componentService, extensionAttributeProcessor, context); - - 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 = getURIString(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, name, compositeService, extensionAttributeProcessor, context); - - composite.getServices().add(compositeService); - policyProcessor.readPolicies(contract, reader); - } - - // set the parent model so that binding processing can - // detect it they're being read as part of a reference - // or a service - context.setParentModel(contract); - - } 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)); - } - // Read @nonOverridable - String nonOverridable = reader.getAttributeValue(null, NONOVERRIDABLE); - if (nonOverridable != null) { - componentReference.setNonOverridable(Boolean.parseBoolean(nonOverridable)); - } - readTargets(componentReference, reader); - componentReference.setWiredByImpl(getBoolean(reader, WIRED_BY_IMPL)); - - //handle extension attributes - this.readExtendedAttributes(reader, - name, - componentReference, - extensionAttributeProcessor, context); - - 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 = getString(reader, Constants.PROMOTE); - if (promote != null) { - for (StringTokenizer tokens = new StringTokenizer(promote); tokens.hasMoreTokens();) { - String refName = tokens.nextToken(); - Component promotedComponent = assemblyFactory.createComponent(); - int index = refName.indexOf('/'); - if (index == -1) { - error(monitor, "Invalid reference name", compositeReference, refName); - } - String promotedComponentName = refName.substring(0, index); - promotedComponent.setName(promotedComponentName); - promotedComponent.setUnresolved(true); - compositeReference.getPromotedComponents().add(promotedComponent); - ComponentReference promotedReference = - assemblyFactory.createComponentReference(); - promotedReference.setUnresolved(true); - promotedReference.setName(refName); - compositeReference.getPromotedReferences().add(promotedReference); - } - } - compositeReference.setWiredByImpl(getBoolean(reader, WIRED_BY_IMPL)); - - //handle extension attributes - this.readExtendedAttributes(reader, - name, - compositeReference, - extensionAttributeProcessor, context); - - composite.getReferences().add(compositeReference); - policyProcessor.readPolicies(contract, reader); - } - - // set the parent model so that binding processing can - // detect it they're being read as part of a reference - // or a service - context.setParentModel(contract); - - } else if (PROPERTY_QNAME.equals(name)) { - if (component != null) { - - // Read a <component><property> - componentProperty = assemblyFactory.createComponentProperty(); - property = componentProperty; - String source = getURIString(reader, SOURCE); - if (source != null) { - source = source.trim(); - } - componentProperty.setSource(source); - if (source != null) { - String xPath = prepareSourceXPathString( source ); - - try { - componentProperty.setSourceXPathExpression(xpathHelper.compile(reader - .getNamespaceContext(), xPath)); - } catch (XPathExpressionException e) { - ContributionReadException ce = new ContributionReadException(e); - error(monitor, "ContributionReadException", source, ce); - //throw ce; - } - } - componentProperty.setFile(getURIString(reader, FILE)); - - //handle extension attributes - this.readExtendedAttributes(reader, - name, - componentProperty, - extensionAttributeProcessor, context); - - policyProcessor.readPolicies(property, reader); - readAbstractProperty(componentProperty, reader, context); - - // Read the property value - Document value = - readPropertyValue(property.getXSDElement(), property.getXSDType(), property - .isMany(), reader, context); - property.setValue(value); - - component.getProperties().add(componentProperty); - } else { - - // Read a <composite><property> - property = assemblyFactory.createProperty(); - policyProcessor.readPolicies(property, reader); - readAbstractProperty(property, reader, context); - - // Read the property value - Document value = - readPropertyValue(property.getXSDElement(), property.getXSDType(), property - .isMany(), reader, context); - 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(getURIString(reader, URI)); - } - - //handle extension attributes - this.readExtendedAttributes(reader, name, component, extensionAttributeProcessor, context); - - 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(getURIString(reader, SOURCE)); - wire.setSource(source); - - ComponentService target = assemblyFactory.createComponentService(); - target.setUnresolved(true); - target.setName(getURIString(reader, TARGET)); - wire.setTarget(target); - - // Read @replace - String replace = reader.getAttributeValue(null, REPLACE); - if (replace != null) { - wire.setReplace(Boolean.parseBoolean(replace)); - } - - //handle extension attributes - this.readExtendedAttributes(reader, name, wire, extensionAttributeProcessor, context); - - composite.getWires().add(wire); - policyProcessor.readPolicies(wire, reader); - - } else if (CALLBACK_QNAME.equals(name)) { - - // Read a <callback> - callback = assemblyFactory.createCallback(); - contract.setCallback(callback); - callback.setParentContract(contract); - - //handle extension attributes - this.readExtendedAttributes(reader, name, callback, extensionAttributeProcessor, context); - - policyProcessor.readPolicies(callback, reader); - - // set the parent model so that binding processing can - // detect it they're being read as part of a callback - context.setParentModel(callback); - - } 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, name, implementation, extensionAttributeProcessor, context); - - component.setImplementation(implementation); - policyProcessor.readPolicies(implementation, reader); - } else if (REQUIRES_QNAME.equals(name)) { - List<QName> intents = getQNames(reader, INTENTS); - for (QName i : intents) { - Intent intent = policyFactory.createIntent(); - intent.setName(i); - if (composite != null) { - composite.getRequiredIntents().add(intent); - } else if (component != null) { - component.getRequiredIntents().add(intent); - } else if (contract != null) { - contract.getRequiredIntents().add(intent); - } else if (callback != null) { - callback.getRequiredIntents().add(intent); - } - } - } else if (POLICY_SET_ATTACHMENT_QNAME.equals(name)) { - QName ps = getQName(reader, NAME); - if (ps != null) { - PolicySet policySet = policyFactory.createPolicySet(); - policySet.setName(ps); - if (composite != null) { - composite.getPolicySets().add(policySet); - } else if (component != null) { - component.getPolicySets().add(policySet); - } else if (contract != null) { - contract.getPolicySets().add(policySet); - } else if (callback != null) { - callback.getPolicySets().add(policySet); - } - } - } else if(EXTENSION_QNAME.equals(name)) { - // Handle <extension> - //ignore element as this is a wrapper for extensibility - break; - } else { - - // Read an extension element - Object extension = extensionProcessor.read(reader, context); - if (extension != null) { - if (extension instanceof InterfaceContract) { - - // <service><interface> and - // <reference><interface> - if (contract != null) { - contract.setInterfaceContract((InterfaceContract)extension); - } else { - if (name.getNamespaceURI().equals(SCA11_NS)) { - error(monitor, "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 PolicySubject) { - ExtensionType bindingType = intentAttachPointTypeFactory.createBindingType(); - bindingType.setType(name); - bindingType.setUnresolved(true); - ((PolicySubject)extension).setExtensionType(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(SCA11_NS)) { - error(monitor, "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 PolicySubject) { - ExtensionType implType = - intentAttachPointTypeFactory.createImplementationType(); - implType.setType(name); - implType.setUnresolved(true); - ((PolicySubject)extension).setExtensionType(implType); - } - // <component><implementation> - if (component != null) { - component.setImplementation((Implementation)extension); - } else { - if (name.getNamespaceURI().equals(SCA11_NS)) { - error(monitor, "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(monitor, "XMLStreamException", reader, ex); - } - - return composite; - } - - /** - * Prepares the property @source XPath expression - * - * The form of the @source attribute in the composite file must take one of the forms - * $propertyName - * $propertyName/expression - * $propertyName[n] - * $propertyName[n]/expression - * Property values are stored as <sca:property> elements with one or more <sca:value> subelements or one or more - * global element subelements. The XPath constructed is designed to work against this XML structure and aims to - * retrieve one or more of the subelements or subportions of those subelements (eg some text content). - * Thus the XPath: - * - starts with "*", which means "all the child elements of the root" where root = the <property/> element - * - may then be followed by [xxx] (typically [n] to select one of the child elements) if the source string has [xxx] - * following the propertyName - * - may then be followed by /expression, if the source contains an expression, which will typically select some subportion - * of the child element(s) - * - * @param source - the @source attribute string from a <sca:property> element - * @return the XPath string to use for the source property - */ - private String prepareSourceXPathString( String source ) { - String output = null; - // Expression must begin with '$' - if( source.charAt(0) != '$' ) return output; - - int slash = source.indexOf('/'); - int bracket = source.indexOf('['); - if (slash == -1) { - // Form is $propertyName or $propertyName[n] - output = "*"; - if( bracket != -1 ) { - output = "*" + source.substring(bracket); - } - } else { - // Form is $propertyName/exp or $propertyName[n]/exp - output = "*/" + source.substring(slash + 1); - if( bracket != -1 && bracket < slash ) { - output = "*" + source.substring(bracket); - } - } // end if - - return output; - } // end method prepareSourceXPathString( source ) - - public void write(Composite composite, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, - XMLStreamException { - - // Write <composite> element - writeStartDocument(writer, - 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, context); - - // 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, context); - - 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, context); - - // Write service interface - extensionProcessor.write(service.getInterfaceContract(), writer, context); - - // Write bindings - for (Binding binding : service.getBindings()) { - extensionProcessor.write(binding, writer, context); - } - - // 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, context); - - // Write callback bindings - for (Binding binding : callback.getBindings()) { - extensionProcessor.write(binding, writer, context); - } - - // Write extensions - this.writeExtendedElements(writer, service, extensionProcessor, context); - - writeEnd(writer); - } - - // Write extensions - this.writeExtendedElements(writer, service, extensionProcessor, context); - - 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, context); - - // Write the component implementation - Implementation implementation = component.getImplementation(); - if (implementation instanceof Composite) { - writeStart(writer, IMPLEMENTATION_COMPOSITE, new XAttr(NAME, ((Composite)implementation).getName()), policyProcessor.writePolicies(implementation)); - - //write extended attributes - this.writeExtendedAttributes(writer, (Composite)implementation, extensionAttributeProcessor, context); - - writeEnd(writer); - } else { - extensionProcessor.write(component.getImplementation(), writer, context); - } - - for (Object extension : component.getExtensions()) { - extensionProcessor.write(extension, writer, context); - } - - // Write <service> elements - for (ComponentService service : component.getServices()) { - writeStart(writer, SERVICE, new XAttr(NAME, service.getName()), policyProcessor.writePolicies(service)); - - //write extended attributes - this.writeExtendedAttributes(writer, service, extensionAttributeProcessor, context); - - // Write service interface - extensionProcessor.write(service.getInterfaceContract(), writer, context); - - // Write bindings - for (Binding binding : service.getBindings()) { - extensionProcessor.write(binding, writer, context); - } - - // 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, context); - - // Write bindings - for (Binding binding : callback.getBindings()) { - extensionProcessor.write(binding, writer, context); - } - - // Write extensions - this.writeExtendedElements(writer, callback, extensionProcessor, context); - - writeEnd(writer); - } - - // Write extensions - this.writeExtendedElements(writer, service, extensionProcessor, context); - - writeEnd(writer); - } - - // Write <reference> elements - for (ComponentReference reference : component.getReferences()) { - writeStart(writer, - REFERENCE, - new XAttr(NAME, reference.getName()), - new XAttr(AUTOWIRE, reference.getAutowire()), - (reference.isNonOverridable() ? new XAttr(NONOVERRIDABLE, true) : null), - writeMultiplicity(reference), - writeTargets(reference), - policyProcessor.writePolicies(reference)); - - //write extended attributes - this.writeExtendedAttributes(writer, reference, extensionAttributeProcessor, context); - - // Write reference interface - extensionProcessor.write(reference.getInterfaceContract(), writer, context); - - // Write bindings - for (Binding binding : reference.getBindings()) { - extensionProcessor.write(binding, writer, context); - } - - // Write callback - if (reference.getCallback() != null) { - Callback callback = reference.getCallback(); - writeStart(writer, CALLBACK, policyProcessor.writePolicies(callback)); - - //write extended attributes - this.writeExtendedAttributes(writer, callback, extensionAttributeProcessor, context); - - // Write callback bindings - for (Binding binding : callback.getBindings()) { - extensionProcessor.write(binding, writer, context); - } - - // Write extensions - this.writeExtendedElements(writer, callback, extensionProcessor, context); - - writeEnd(writer); - } - - // Write extensions - this.writeExtendedElements(writer, reference, extensionProcessor, context); - - 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, context); - - // Write property value - writePropertyValue(property.getValue(), property.getXSDElement(), property.getXSDType(), writer); - - // Write extensions - for (Object extension : property.getExtensions()) { - extensionProcessor.write(extension, writer, context); - } - - writeEnd(writer); - } - - 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, context); - - // Write reference interface - extensionProcessor.write(reference.getInterfaceContract(), writer, context); - - // Write bindings - for (Binding binding : reference.getBindings()) { - extensionProcessor.write(binding, writer, context); - } - - // Write <callback> element - if (reference.getCallback() != null) { - Callback callback = reference.getCallback(); - writeStart(writer, CALLBACK); - - //write extended attributes - this.writeExtendedAttributes(writer, callback, extensionAttributeProcessor, context); - - // Write callback bindings - for (Binding binding : callback.getBindings()) { - extensionProcessor.write(binding, writer, context); - } - - // Write extensions - this.writeExtendedElements(writer, callback, extensionProcessor, context); - - writeEnd(writer); - } - - // Write extensions - this.writeExtendedElements(writer, reference, extensionProcessor, context); - - 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, context); - - // Write property value - writePropertyValue(property.getValue(), property.getXSDElement(), property.getXSDType(), writer); - - // Write extensions - for (Object extension : property.getExtensions()) { - extensionProcessor.write(extension, writer, context); - } - - writeEnd(writer); - } - - // Write <wire> elements - for (Wire wire : composite.getWires()) { - writeStart(writer, WIRE, new XAttr(SOURCE, wire.getSource().getName()), new XAttr(TARGET, wire.getTarget() - .getName()), wire.isReplace() ? new XAttr(Constants.REPLACE, true) : null); - - //write extended attributes - this.writeExtendedAttributes(writer, wire, extensionAttributeProcessor, context); - - // Write extensions - for (Object extension : wire.getExtensions()) { - extensionProcessor.write(extension, writer, context); - } - writeEnd(writer); - } - - for (Object extension : composite.getExtensions()) { - extensionProcessor.write(extension, writer, context); - } - - writeEndDocument(writer); - } - - public void resolve(Composite composite, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { - - Monitor monitor = context.getMonitor(); - try { - monitor.pushContext("Composite: " + composite.getName()); - - // 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) { - Composite resolved = resolver.resolveModel(Composite.class, include, context); - if (!resolved.isUnresolved()) { - if ((composite.isLocal() && resolved.isLocal()) || (!composite.isLocal() && !resolved.isLocal())) { - composite.getIncludes().set(i, resolved); - } else { - ContributionResolveException ce = - new ContributionResolveException("[ASM60041] Error: Composite " + composite.getName() - + " can only include another composite with the identical @local attribute value"); - error(monitor, "ContributionResolveException", include, ce); - } - } else { - ContributionResolveException ce = - new ContributionResolveException("[ASM60042] Error: Composite " + include.getName() - + " is not a valid composite within the domain"); - error(monitor, "ContributionResolveException", include, ce); - } - } - } - - // Resolve extensions - for (Object extension : composite.getExtensions()) { - if (extension != null) { - extensionProcessor.resolve(extension, resolver, context); - } - } - - //Resolve composite services and references - resolveContracts(composite, composite.getServices(), resolver, context); - resolveContracts(composite, composite.getReferences(), resolver, context); - - for (Property property : composite.getProperties()){ - resolvePropertyType("composite " + composite.getName().toString(), - property, - context.getContribution(), context); - } - - // Resolve component implementations, services and references - for (Component component : composite.getComponents()) { - - //resolve component services and references - resolveContracts(component, component.getServices(), resolver, context); - resolveContracts(component, component.getReferences(), resolver, context); - - for (ComponentProperty componentProperty : component.getProperties()) { - // resolve a reference to a property file - if (componentProperty.getFile() != null) { - Artifact artifact = contributionFactory.createArtifact(); - artifact.setURI(componentProperty.getFile()); - artifact = resolver.resolveModel(Artifact.class, artifact, context); - if (artifact.getLocation() != null) { - componentProperty.setFile(artifact.getLocation()); - } - } - - // resolve the reference to a complex property - resolvePropertyType("component " + component.getName(), - componentProperty, - context.getContribution(), context); - } - - //resolve component implementation - Implementation implementation = component.getImplementation(); - if (implementation != null) { - //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 - - List<PolicySet> policySets = new ArrayList<PolicySet>(implementation.getPolicySets()); - List<Intent> intents = new ArrayList<Intent>(implementation.getRequiredIntents()); - implementation = resolveImplementation(implementation, resolver, context); - - // If there are any policy sets on the implementation or component we have to - // ignore policy sets from the component type (policy spec 4.9) - if ( !policySets.isEmpty() || !component.getPolicySets().isEmpty() ) { - implementation.getPolicySets().clear(); - implementation.getPolicySets().addAll(policySets); - } - - implementation.getRequiredIntents().addAll(intents); - - component.setImplementation(implementation); - } - - //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); - } - } // end for - - } finally { - // Pop context - monitor.popContext(); - } // end try - } - - public QName getArtifactType() { - return COMPOSITE_QNAME; - } - - public Class<Composite> getModelType() { - return Composite.class; - } - - /** - * Write the value of a property - override to use correct method of creating an XMLStreamReader - * @param document - * @param element - * @param type - * @param writer - * @throws XMLStreamException - */ - protected void writePropertyValue(Object propertyValue, QName element, QName type, XMLStreamWriter writer) - throws XMLStreamException { - - if (propertyValue instanceof Document) { - Document document = (Document)propertyValue; - NodeList nodeList = document.getDocumentElement().getChildNodes(); - - for (int item = 0; item < nodeList.getLength(); ++item) { - Node node = nodeList.item(item); - int nodeType = node.getNodeType(); - if (nodeType == Node.ELEMENT_NODE) { - // Correct way to create a reader for a node object... - XMLStreamReader reader = staxHelper.createXMLStreamReader(node); - - while (reader.hasNext()) { - switch (reader.next()) { - case XMLStreamConstants.START_ELEMENT: - QName name = reader.getName(); - writer.writeStartElement(name.getPrefix(), name.getLocalPart(), name.getNamespaceURI()); - - int namespaces = reader.getNamespaceCount(); - boolean elementNamespaceAdded = false; - for (int i = 0; i < namespaces; i++) { - String prefix = reader.getNamespacePrefix(i); - String ns = reader.getNamespaceURI(i); - writer.writeNamespace(prefix, ns); - if(ns.equals(name.getNamespaceURI())){ - elementNamespaceAdded = true; - } - } - - if (!"".equals(name.getNamespaceURI()) && - !elementNamespaceAdded) { - writer.writeNamespace(name.getPrefix(), name.getNamespaceURI()); - } - - - // add the attributes for this element - namespaces = reader.getAttributeCount(); - for (int i = 0; i < namespaces; i++) { - String ns = reader.getAttributeNamespace(i); - String prefix = reader.getAttributePrefix(i); - String qname = reader.getAttributeLocalName(i); - String value = reader.getAttributeValue(i); - - writer.writeAttribute(prefix, ns, qname, value); - } - - break; - case XMLStreamConstants.CDATA: - writer.writeCData(reader.getText()); - break; - case XMLStreamConstants.CHARACTERS: - writer.writeCharacters(reader.getText()); - break; - case XMLStreamConstants.END_ELEMENT: - writer.writeEndElement(); - break; - } - } - } else { - writer.writeCharacters(node.getTextContent()); - } - } - } - } // end method writePropertyValue - - - /** - * Returns the model factory extension point to use. - * - * @param extensionPoints - * @return - */ - private static FactoryExtensionPoint modelFactories(ExtensionPointRegistry extensionPoints) { - return extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); - } - - /** - * Property elements can have XSD types attributes so, in the case of a complex type, we need to find - * the XSD definition that defines that type in the contribution while we still have access to the - * contribution. Later, in the builder, we use this XSD definition to ensure that the property value - * is of the correct type - * - * @param property - * @param contribution - */ - private void resolvePropertyType(String parentName, Property property, Contribution contribution, ProcessorContext context){ - // resolve the reference to a complex property - // we ignore any types in the schema namespace - if (property.getXSDType() != null && - property.getXSDType().getNamespaceURI().equals("http://www.w3.org/2001/XMLSchema") != true){ - XSDefinition xsdDefinition = xsdFactory.createXSDefinition(); - xsdDefinition.setUnresolved(true); - xsdDefinition.setNamespace(property.getXSDType().getNamespaceURI()); - // some unit tests don't set up contribution and model resolvers properly - if (contribution != null && contribution.getModelResolver() != null) { - XSDefinition resolved = contribution.getModelResolver().resolveModel(XSDefinition.class, xsdDefinition, context); - if (resolved == null || resolved.isUnresolved()){ - // raise an error - // [rfeng] The XSD might be not available if we use JAXB annotated classes, report it as a warning for now - warning(context.getMonitor(), "PropertyTypeNotFound", property, property.getXSDType().toString(), property.getName(), parentName); - } else { - // store the schema in the property - property.setXSDDefinition(resolved); - } - } - } - } - -} |