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Diffstat (limited to 'sca-java-1.x/branches/sca-java-20080910/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/ImportSDOProcessor.java')
-rw-r--r-- | sca-java-1.x/branches/sca-java-20080910/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/ImportSDOProcessor.java | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-20080910/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/ImportSDOProcessor.java b/sca-java-1.x/branches/sca-java-20080910/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/ImportSDOProcessor.java new file mode 100644 index 0000000000..115af19042 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-20080910/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/ImportSDOProcessor.java @@ -0,0 +1,212 @@ +/* + * 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.databinding.sdo; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static org.apache.tuscany.sca.databinding.sdo.ImportSDO.IMPORT_SDO; + +import java.io.IOException; +import java.io.InputStream; +import java.lang.reflect.Field; +import java.lang.reflect.Method; +import java.net.URL; +import java.net.URLConnection; + +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.builder.impl.ProblemImpl; +import org.apache.tuscany.sca.contribution.Artifact; +import org.apache.tuscany.sca.contribution.ContributionFactory; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ClassReference; +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.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; + +import commonj.sdo.helper.HelperContext; +import commonj.sdo.helper.XSDHelper; + +/** + * Loader that handles <import.sdo> elements. + * + * @version $Rev$ $Date$ + * @deprecated + */ +@Deprecated +public class ImportSDOProcessor implements StAXArtifactProcessor<ImportSDO> { + + private ContributionFactory contributionFactory; + private Monitor monitor; + + public ImportSDOProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) { + this.contributionFactory = modelFactories.getFactory(ContributionFactory.class); + this.monitor = monitor; + } + + /** + * 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(), "databinding-sdo-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /** + * 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(), "databinding-sdo-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + public QName getXMLType() { + return IMPORT_SDO; + } + + public ImportSDO read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + assert IMPORT_SDO.equals(reader.getName()); + + // FIXME: How do we associate the application HelperContext with the one + // imported by the composite + ImportSDO importSDO = new ImportSDO(SDOContextHelper.getDefaultHelperContext()); + String factoryName = reader.getAttributeValue(null, "factory"); + if (factoryName != null) { + importSDO.setFactoryClassName(factoryName); + } + String location = reader.getAttributeValue(null, "location"); + if (location != null) { + importSDO.setSchemaLocation(location); + } + + // Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && ImportSDO.IMPORT_SDO.equals(reader.getName())) { + break; + } + } + return importSDO; + } + + private void importFactory(ImportSDO importSDO, ModelResolver resolver) throws ContributionResolveException { + String factoryName = importSDO.getFactoryClassName(); + if (factoryName != null) { + ClassReference reference = new ClassReference(factoryName); + ClassReference resolved = resolver.resolveModel(ClassReference.class, reference); + if (resolved != null && !resolved.isUnresolved()) { + try { + Class<?> factoryClass = resolved.getJavaClass(); + register(factoryClass, importSDO.getHelperContext()); + importSDO.setUnresolved(false); + } catch (Exception e) { + ContributionResolveException ce = new ContributionResolveException(e); + error("ContributionResolveException", resolver, ce); + //throw ce; + } + } else { + error("FailToResolveClass", resolver, factoryName); + //ContributionResolveException loaderException = + //new ContributionResolveException("Fail to resolve class: " + factoryName); + //throw loaderException; + } + } + } + + private static void register(Class factoryClass, HelperContext helperContext) throws Exception { + Field field = factoryClass.getField("INSTANCE"); + Object factory = field.get(null); + Method method = factory.getClass().getMethod("register", new Class[] {HelperContext.class}); + method.invoke(factory, new Object[] {helperContext}); + + // HelperContext defaultContext = HelperProvider.getDefaultContext(); + // method.invoke(factory, new Object[] {defaultContext}); + } + + private void importWSDL(ImportSDO importSDO, ModelResolver resolver) throws ContributionResolveException { + String location = importSDO.getSchemaLocation(); + if (location != null) { + try { + Artifact artifact = contributionFactory.createArtifact(); + artifact.setURI(location); + artifact = resolver.resolveModel(Artifact.class, artifact); + if (artifact.getLocation() != null) { + String wsdlURL = artifact.getLocation(); + URLConnection connection = new URL(wsdlURL).openConnection(); + connection.setUseCaches(false); + InputStream xsdInputStream = connection.getInputStream(); + try { + XSDHelper xsdHelper = importSDO.getHelperContext().getXSDHelper(); + xsdHelper.define(xsdInputStream, wsdlURL); + } finally { + xsdInputStream.close(); + } + importSDO.setUnresolved(false); + } else { + error("FailToResolveLocation", resolver, location); + //ContributionResolveException loaderException = new ContributionResolveException("Fail to resolve location: " + location); + //throw loaderException; + } + } catch (IOException e) { + ContributionResolveException ce = new ContributionResolveException(e); + error("ContributionResolveException", resolver, ce); + //throw ce; + } + } + } + + public QName getArtifactType() { + return ImportSDO.IMPORT_SDO; + } + + public void write(ImportSDO model, XMLStreamWriter outputSource) throws ContributionWriteException { + // Not implemented as <import.sdo> is deprecated + } + + public Class<ImportSDO> getModelType() { + return ImportSDO.class; + } + + public void resolve(ImportSDO importSDO, ModelResolver resolver) throws ContributionResolveException { + importFactory(importSDO, resolver); + importWSDL(importSDO, resolver); + if (!importSDO.isUnresolved()) { + resolver.addModel(importSDO); + } + } + +} |