From 06942a3a38de5bf28302ccbf79dc83552ecf7d96 Mon Sep 17 00:00:00 2001 From: nash Date: Tue, 24 Aug 2010 19:12:29 +0000 Subject: Merge revision 921286 from trunk into the 1.6.1 branch git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@988675 13f79535-47bb-0310-9956-ffa450edef68 --- .../spring/xml/SpringImplementationProcessor.java | 467 +++++++++++---------- 1 file changed, 234 insertions(+), 233 deletions(-) (limited to 'sca-java-1.x/branches/sca-java-1.6.1/modules/implementation-spring') diff --git a/sca-java-1.x/branches/sca-java-1.6.1/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringImplementationProcessor.java b/sca-java-1.x/branches/sca-java-1.6.1/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringImplementationProcessor.java index 1d941e2a4f..67c50e9392 100644 --- a/sca-java-1.x/branches/sca-java-1.6.1/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringImplementationProcessor.java +++ b/sca-java-1.x/branches/sca-java-1.6.1/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringImplementationProcessor.java @@ -1,234 +1,235 @@ -/* - * 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.PolicyAttachPointProcessor; -import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; -import org.apache.tuscany.sca.contribution.resolver.ModelResolver; -import org.apache.tuscany.sca.contribution.service.ContributionReadException; -import org.apache.tuscany.sca.contribution.service.ContributionResolveException; -import org.apache.tuscany.sca.contribution.service.ContributionWriteException; -import org.apache.tuscany.sca.implementation.spring.SpringImplementation; -import org.apache.tuscany.sca.implementation.spring.introspect.SpringXMLComponentTypeLoader; -import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; -import org.apache.tuscany.sca.monitor.Monitor; -import org.apache.tuscany.sca.monitor.Problem; -import org.apache.tuscany.sca.monitor.Problem.Severity; +/* + * 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.PolicyAttachPointProcessor; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.implementation.spring.SpringImplementation; +import org.apache.tuscany.sca.implementation.spring.introspect.SpringXMLComponentTypeLoader; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; import org.apache.tuscany.sca.monitor.impl.ProblemImpl; -import org.apache.tuscany.sca.policy.PolicyFactory; - -/** - * SpringArtifactProcessor is responsible for processing the XML of an - * element in an SCA SCDL file. - * - * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $ - */ -public class SpringImplementationProcessor implements StAXArtifactProcessor { - - private static final String LOCATION = "location"; - private static final String IMPLEMENTATION_SPRING = "implementation.spring"; - private static final QName IMPLEMENTATION_SPRING_QNAME = new QName(Constants.SCA10_NS, IMPLEMENTATION_SPRING); - private static final String MSG_LOCATION_MISSING = "Reading implementation.spring - location attribute missing"; - - private AssemblyFactory assemblyFactory; - private JavaInterfaceFactory javaFactory; - private PolicyFactory policyFactory; - private PolicyAttachPointProcessor policyProcessor; - private Monitor monitor; - - private ModelFactoryExtensionPoint factories; - - public SpringImplementationProcessor(ExtensionPointRegistry extensionPoints, Monitor monitor) { - this.factories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); - this.assemblyFactory = factories.getFactory(AssemblyFactory.class); - this.javaFactory = factories.getFactory(JavaInterfaceFactory.class); - this.policyFactory = factories.getFactory(PolicyFactory.class); - this.policyProcessor = new PolicyAttachPointProcessor(policyFactory); - this.monitor = monitor; - } - - /** - * Report a exception. - * - * @param problems - * @param message - * @param model - */ - private void error(String message, Object model, Exception ex) { - if (monitor != null) { - Problem problem = new ProblemImpl(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(String message, Object model, Object... messageParameters) { - if (monitor != null) { - Problem problem = new ProblemImpl(this.getClass().getName(), "impl-spring-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); - monitor.problem(problem); - } - } - - /* - * Read the XML and parse out the attributes. - * - * 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) 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("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 - * - */ - public void write(SpringImplementation springImplementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { - - // Write - writer.writeStartElement(Constants.SCA10_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) - throws ContributionResolveException { - - if (springImplementation == null) - return; - - /* Load the Spring component type by reading the Spring application context */ - SpringXMLComponentTypeLoader springLoader = - new SpringXMLComponentTypeLoader(factories, assemblyFactory, javaFactory, policyFactory); - try { - // Load the Spring Implementation information from its application context file... - springLoader.load(springImplementation, resolver); - } catch (ContributionReadException e) { - ContributionResolveException ce = new ContributionResolveException(e); - error("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); - if (componentType.isUnresolved()) { - error("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 getModelType() { - return SpringImplementation.class; - } - -} // end class SpringArtifactProcessor +import org.apache.tuscany.sca.policy.PolicyFactory; + +/** + * SpringArtifactProcessor is responsible for processing the XML of an + * element in an SCA SCDL file. + * + * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $ + */ +public class SpringImplementationProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor { + + private static final String LOCATION = "location"; + private static final String IMPLEMENTATION_SPRING = "implementation.spring"; + private static final QName IMPLEMENTATION_SPRING_QNAME = new QName(Constants.SCA10_NS, IMPLEMENTATION_SPRING); + private static final String MSG_LOCATION_MISSING = "Reading implementation.spring - location attribute missing"; + + private AssemblyFactory assemblyFactory; + private JavaInterfaceFactory javaFactory; + private PolicyFactory policyFactory; + private PolicyAttachPointProcessor policyProcessor; + private Monitor monitor; + + private ModelFactoryExtensionPoint factories; + + public SpringImplementationProcessor(ExtensionPointRegistry extensionPoints, Monitor monitor) { + this.factories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + this.assemblyFactory = factories.getFactory(AssemblyFactory.class); + this.javaFactory = factories.getFactory(JavaInterfaceFactory.class); + this.policyFactory = factories.getFactory(PolicyFactory.class); + this.policyProcessor = new PolicyAttachPointProcessor(policyFactory); + this.monitor = monitor; + } + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(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(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "impl-spring-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /* + * Read the XML and parse out the attributes. + * + * 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) throws ContributionReadException, XMLStreamException { + + // Create the Spring implementation + SpringImplementation springImplementation = null; + + // Read the location attribute for the spring implementation + String springLocation = getURIString(reader, LOCATION); + if (springLocation != null) { + springImplementation = new SpringImplementation(); + springImplementation.setLocation(springLocation); + springImplementation.setUnresolved(true); + processComponentType(springImplementation); + } else { + error("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 + * + */ + public void write(SpringImplementation springImplementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write + writer.writeStartElement(Constants.SCA10_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) + throws ContributionResolveException { + + if (springImplementation == null) + return; + + /* Load the Spring component type by reading the Spring application context */ + SpringXMLComponentTypeLoader springLoader = + new SpringXMLComponentTypeLoader(factories, assemblyFactory, javaFactory, policyFactory); + try { + // Load the Spring Implementation information from its application context file... + springLoader.load(springImplementation, resolver); + } catch (ContributionReadException e) { + ContributionResolveException ce = new ContributionResolveException(e); + error("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); + if (componentType.isUnresolved()) { + error("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 getModelType() { + return SpringImplementation.class; + } + +} // end class SpringArtifactProcessor -- cgit v1.2.3