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diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeProcessor.java
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+/*
+ * 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(getURIString(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 = 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, 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 = getString(reader, 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(getURIString(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(getURIString(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(getURIString(reader, SOURCE));
+ wire.setSource(source);
+
+ ComponentService target = assemblyFactory.createComponentService();
+ target.setUnresolved(true);
+ target.setName(getURIString(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;
+ }
+
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-18 11:36:28 +0000