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Diffstat (limited to 'java/sca/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringImplementationProcessor.java')
| -rw-r--r-- | java/sca/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringImplementationProcessor.java | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/java/sca/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringImplementationProcessor.java b/java/sca/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringImplementationProcessor.java deleted file mode 100644 index 0cd85d1e33..0000000000 --- a/java/sca/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringImplementationProcessor.java +++ /dev/null @@ -1,230 +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.implementation.spring.xml; - -import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; - -import javax.xml.namespace.QName; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; -import javax.xml.stream.XMLStreamWriter; - -import org.apache.tuscany.sca.assembly.AssemblyFactory; -import org.apache.tuscany.sca.assembly.ComponentType; -import org.apache.tuscany.sca.assembly.xml.Constants; -import org.apache.tuscany.sca.assembly.xml.PolicySubjectProcessor; -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.resolver.ModelResolver; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.implementation.spring.SpringImplementation; -import org.apache.tuscany.sca.implementation.spring.introspect.SpringXMLComponentTypeLoader; -import org.apache.tuscany.sca.monitor.Monitor; -import org.apache.tuscany.sca.monitor.Problem; -import org.apache.tuscany.sca.monitor.Problem.Severity; - -/** - * SpringArtifactProcessor is responsible for processing the XML of an <implementation.spring.../> - * element in an SCA SCDL file. - * - * @version $Rev$ $Date$ - */ -public class SpringImplementationProcessor implements StAXArtifactProcessor<SpringImplementation> { - - private static final String LOCATION = "location"; - private static final String IMPLEMENTATION_SPRING = "implementation.spring"; - private static final QName IMPLEMENTATION_SPRING_QNAME = new QName(Constants.SCA11_NS, IMPLEMENTATION_SPRING); - private static final String MSG_LOCATION_MISSING = "Reading implementation.spring - location attribute missing"; - - private ExtensionPointRegistry registry; - private AssemblyFactory assemblyFactory; - private PolicySubjectProcessor policyProcessor; - - - private FactoryExtensionPoint factories; - - public SpringImplementationProcessor(ExtensionPointRegistry registry) { - this.registry = registry; - this.factories = registry.getExtensionPoint(FactoryExtensionPoint.class); - this.assemblyFactory = factories.getFactory(AssemblyFactory.class); - this.policyProcessor = new PolicySubjectProcessor(registry); - } - - /** - * Report a exception. - * - * @param problems - * @param message - * @param model - */ - private void error(Monitor monitor, String message, Object model, Exception ex) { - if (monitor != null) { - Problem problem = monitor.createProblem(this.getClass().getName(), "impl-spring-validation-messages", Severity.ERROR, model, message, ex); - monitor.problem(problem); - } - } - - /** - * Report a error. - * - * @param problems - * @param message - * @param model - */ - private void error(Monitor monitor, String message, Object model, Object... messageParameters) { - if (monitor != null) { - Problem problem = monitor.createProblem(this.getClass().getName(), "impl-spring-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); - monitor.problem(problem); - } - } - - /* - * Read the XML and parse out the attributes. - * - * <implementation.spring.../> has a single required attribute: - * "location" - which is the target URI of of an archive file or a directory that contains the Spring - * application context files. - * If the resource identified by the location attribute is an archive file, then the file - * META-INF/MANIFEST.MF is read from the archive. - * If the location URI identifies a directory, then META-INF/MANIFEST.MF must exist - * underneath that directory. - * If the manifest file contains a header "Spring-Context" of the format: - * Spring-Context ::= path ( ';' path )* - * - * Where path is a relative path with respect to the location URI, then the set of paths - * specified in the header identify the context configuration files. - * If there is no MANIFEST.MF file or no Spring-Context header within that file, - * then the default behaviour is to build an application context using all the *.xml files - * in the METAINF/spring directory. - */ - public SpringImplementation read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException, XMLStreamException { - - // Create the Spring implementation - SpringImplementation springImplementation = null; - - // Read the location attribute for the spring implementation - String springLocation = reader.getAttributeValue(null, LOCATION); - if (springLocation != null) { - springImplementation = new SpringImplementation(); - springImplementation.setLocation(springLocation); - springImplementation.setUnresolved(true); - processComponentType(springImplementation); - } else { - error(context.getMonitor(), "LocationAttributeMissing", reader); - //throw new ContributionReadException(MSG_LOCATION_MISSING); - } - - // Read policies - policyProcessor.readPolicies(springImplementation, reader); - - // Skip to end element - while (reader.hasNext()) { - if (reader.next() == END_ELEMENT && IMPLEMENTATION_SPRING_QNAME.equals(reader.getName())) { - break; - } - } // end while - - return springImplementation; - } // end read - - /* - * Handles the component type for the Spring implementation - * @param springImplementation - a Spring implementation. The component type information - * is created for this implementation - * - */ - private void processComponentType(SpringImplementation springImplementation) { - - // Create a ComponentType and mark it unresolved - ComponentType componentType = assemblyFactory.createComponentType(); - componentType.setUnresolved(true); - springImplementation.setComponentType(componentType); - } // end processComponentType - - /* - * Write out the XML representation of the Spring implementation - * <implementation.spring location="..." /> - */ - public void write(SpringImplementation springImplementation, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, XMLStreamException { - - // Write <implementation.spring> - writer.writeStartElement(Constants.SCA11_NS, IMPLEMENTATION_SPRING); - policyProcessor.writePolicyAttributes(springImplementation, writer); - - if (springImplementation.getLocation() != null) { - writer.writeAttribute(LOCATION, springImplementation.getLocation()); - } - - writer.writeEndElement(); - - } // end write - - /** - * Resolves the Spring implementation - loads the Spring application-context XML and - * derives the spring implementation componentType from it - */ - public void resolve(SpringImplementation springImplementation, ModelResolver resolver, ProcessorContext context) - throws ContributionResolveException { - - if (springImplementation == null) - return; - - Monitor monitor = context.getMonitor(); - /* Load the Spring component type by reading the Spring application context */ - SpringXMLComponentTypeLoader springLoader = - new SpringXMLComponentTypeLoader(registry, monitor); - try { - // Load the Spring Implementation information from its application context file... - springLoader.load(springImplementation, resolver, context); - } catch (ContributionReadException e) { - ContributionResolveException ce = new ContributionResolveException(e); - error(monitor, "ContributionResolveException", resolver, ce); - throw ce; - } - - ComponentType ct = springImplementation.getComponentType(); - if (ct.isUnresolved()) { - // If the introspection fails to resolve, try to find a side file... - ComponentType componentType = resolver.resolveModel(ComponentType.class, ct, context); - if (componentType.isUnresolved()) { - error(monitor, "UnableToResolveComponentType", resolver); - //throw new ContributionResolveException("SpringArtifactProcessor: unable to resolve componentType for Spring component"); - } else { - springImplementation.setComponentType(componentType); - springImplementation.setUnresolved(false); - } - - } // end if - - } // end method resolve - - public QName getArtifactType() { - return IMPLEMENTATION_SPRING_QNAME; - } - - public Class<SpringImplementation> getModelType() { - return SpringImplementation.class; - } - -} // end class SpringArtifactProcessor |