| /* |
| * 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.xml; |
| |
| 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 java.util.ArrayList; |
| import java.util.List; |
| |
| 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.ModelFactoryExtensionPoint; |
| import org.apache.tuscany.sca.contribution.resolver.ClassReference; |
| import org.apache.tuscany.sca.contribution.resolver.ModelResolver; |
| import org.apache.tuscany.sca.contribution.service.ContributionResolveException; |
| import org.apache.tuscany.sca.core.ExtensionPointRegistry; |
| import org.apache.tuscany.sca.core.UtilityExtensionPoint; |
| import org.apache.tuscany.sca.databinding.sdo.SDOTypes; |
| import org.apache.tuscany.sca.monitor.Monitor; |
| import org.apache.tuscany.sca.monitor.MonitorFactory; |
| 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.xsd.XSDFactory; |
| import org.apache.tuscany.sca.xsd.XSDefinition; |
| import org.apache.tuscany.sdo.api.SDOUtil; |
| |
| import commonj.sdo.Type; |
| import commonj.sdo.helper.HelperContext; |
| import commonj.sdo.helper.XSDHelper; |
| |
| /** |
| * SDO types model resolver that aggregates the SDO type registration for an SCA contribution |
| */ |
| public class SDOTypesModelResolver implements ModelResolver { |
| private Contribution contribution; |
| private HelperContext helperContext; |
| private List<SDOTypes> sdoTypes = new ArrayList<SDOTypes>(); |
| private ContributionFactory contributionFactory; |
| private XSDFactory xsdFactory; |
| private Monitor monitor; |
| |
| public SDOTypesModelResolver(Contribution contribution, ExtensionPointRegistry registry) { |
| super(); |
| ModelFactoryExtensionPoint modelFactories = registry.getExtensionPoint(ModelFactoryExtensionPoint.class); |
| this.contributionFactory = modelFactories.getFactory(ContributionFactory.class); |
| this.xsdFactory = modelFactories.getFactory(XSDFactory.class); |
| this.monitor = createMonitor(registry); |
| this.contribution = contribution; |
| } |
| |
| private static Monitor createMonitor(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; |
| } |
| |
| public void addModel(Object resolved) { |
| if (helperContext == null) { |
| helperContext = SDOUtil.createHelperContext(); |
| } |
| SDOTypes types = (SDOTypes)resolved; |
| try { |
| loadSDOTypes(types, contribution.getModelResolver()); |
| } catch (ContributionResolveException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| sdoTypes.add(types); |
| } |
| |
| public Object removeModel(Object resolved) { |
| SDOTypes types = (SDOTypes)resolved; |
| return sdoTypes.remove(types); |
| } |
| |
| public <T> T resolveModel(Class<T> modelClass, T unresolved) { |
| SDOTypes types = (SDOTypes)unresolved; |
| String ns = types.getNamespace(); |
| for (SDOTypes t : sdoTypes) { |
| if (t.getNamespace().equals(types.getNamespace())) { |
| try { |
| loadSDOTypes(types, contribution.getModelResolver()); |
| } catch (ContributionResolveException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| return (T)t; |
| } |
| } |
| return (T)types; |
| } |
| |
| 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}); |
| } |
| |
| private void defineFromFactory(SDOTypes importSDO, ModelResolver resolver) throws ContributionResolveException { |
| String factoryName = importSDO.getFactory(); |
| 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(); |
| // Get the namespace |
| Field field = factoryClass.getField("NAMESPACE_URI"); |
| importSDO.setNamespace((String)field.get(null)); |
| register(factoryClass, helperContext); |
| 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 void defineFromXSD(SDOTypes 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 = helperContext.getXSDHelper(); |
| List<Type> sdoTypes = xsdHelper.define(xsdInputStream, wsdlURL); |
| for (Type t : sdoTypes) { |
| importSDO.setNamespace(t.getURI()); |
| break; |
| } |
| importSDO.getTypes().addAll(sdoTypes); |
| } 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; |
| } |
| } else { |
| String ns = importSDO.getNamespace(); |
| if (ns != null) { |
| XSDefinition xsd = xsdFactory.createXSDefinition(); |
| xsd.setUnresolved(true); |
| xsd.setNamespace(ns); |
| xsd = resolver.resolveModel(XSDefinition.class, xsd); |
| if (!xsd.isUnresolved()) { |
| XSDHelper xsdHelper = helperContext.getXSDHelper(); |
| xsdHelper.define(xsd.getLocation().toString()); |
| } |
| } |
| } |
| } |
| |
| private void loadSDOTypes(SDOTypes types, ModelResolver resolver) throws ContributionResolveException { |
| synchronized (types) { |
| if (types.isUnresolved()) { |
| defineFromFactory(types, resolver); |
| defineFromXSD(types, resolver); |
| types.setUnresolved(false); |
| } |
| } |
| } |
| |
| /** |
| * 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); |
| } |
| } |
| |
| /** |
| * 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); |
| } |
| } |
| |
| } |