diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/xml/SDOTypesModelResolver.java')
| -rw-r--r-- | sca-java-2.x/tags/2.0.1-RC1/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/xml/SDOTypesModelResolver.java | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/xml/SDOTypesModelResolver.java b/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/xml/SDOTypesModelResolver.java new file mode 100644 index 0000000000..020a8edd7d --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/xml/SDOTypesModelResolver.java @@ -0,0 +1,234 @@ +/* + * 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.processor.ContributionResolveException; +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +import org.apache.tuscany.sca.contribution.resolver.ClassReference; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.databinding.sdo.SDOTypes; +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.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 ProcessorContext context; + + public SDOTypesModelResolver(Contribution contribution, FactoryExtensionPoint modelFactories) { + super(); + this.contributionFactory = modelFactories.getFactory(ContributionFactory.class); + this.xsdFactory = modelFactories.getFactory(XSDFactory.class); + this.contribution = contribution; + } + + public void addModel(Object resolved, ProcessorContext context) { + if (helperContext == null) { + helperContext = SDOUtil.createHelperContext(); + } + this.context = context; + 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, ProcessorContext context) { + SDOTypes types = (SDOTypes)resolved; + + return sdoTypes.remove(types); + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved, ProcessorContext context) { + SDOTypes types = (SDOTypes)unresolved; + String ns = types.getNamespace(); + this.context = context; + 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, context); + 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(context.getMonitor(), "ContributionResolveException", resolver, ce); + //throw ce; + } + } else { + error(context.getMonitor(), "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, context); + 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(context.getMonitor(), "FailToResolveLocation", resolver, location); + //ContributionResolveException loaderException = new ContributionResolveException("Fail to resolve location: " + location); + //throw loaderException; + } + } catch (IOException e) { + ContributionResolveException ce = new ContributionResolveException(e); + error(context.getMonitor(), "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, context); + 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(Monitor monitor, String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = + new ProblemImpl(this.getClass().getName(), "databinding-sdo-validation-messages", Severity.ERROR, + message, 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 = + new ProblemImpl(this.getClass().getName(), "databinding-sdo-validation-messages", Severity.ERROR, + message, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + +} |