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Diffstat (limited to 'sdo-java/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/TypeHelperImpl.java')
| -rw-r--r-- | sdo-java/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/TypeHelperImpl.java | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/sdo-java/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/TypeHelperImpl.java b/sdo-java/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/TypeHelperImpl.java new file mode 100644 index 0000000000..1aa2ae466b --- /dev/null +++ b/sdo-java/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/TypeHelperImpl.java @@ -0,0 +1,317 @@ +/** + * + * 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.sdo.helper; + +import java.lang.reflect.Method; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.Iterator; +import java.util.List; +import java.util.Set; + +import org.apache.tuscany.sdo.api.SDOUtil; +import org.apache.tuscany.sdo.model.ModelFactory; +import org.apache.tuscany.sdo.model.internal.InternalFactory; +import org.apache.tuscany.sdo.model.java.JavaFactory; +import org.apache.tuscany.sdo.model.xml.XMLFactory; +import org.apache.tuscany.sdo.model.xml.impl.XMLFactoryImpl; +import org.apache.tuscany.sdo.util.DataObjectUtil; +import org.eclipse.emf.ecore.EClass; +import org.eclipse.emf.ecore.EClassifier; +import org.eclipse.emf.ecore.EPackage; +import org.eclipse.emf.ecore.util.ExtendedMetaData; + +import commonj.sdo.DataObject; +import commonj.sdo.Property; +import commonj.sdo.Sequence; +import commonj.sdo.Type; +import commonj.sdo.helper.HelperContext; +import commonj.sdo.helper.TypeHelper; + +/** + * Look up a Type given the uri and typeName or interfaceClass. SDO Types are + * available through the getType("commonj.sdo", typeName) method. Defines Types + * from DataObjects. + */ +public class TypeHelperImpl implements TypeHelper { + protected HelperContext helperContext; + private ExtendedMetaData extendedMetaData; + + static protected Set builtInModels = null; + + static public Set getBuiltInModels() { + if (builtInModels == null) { + builtInModels = new HashSet(); + builtInModels.add(ModelFactory.INSTANCE); + builtInModels.add(JavaFactory.INSTANCE); + builtInModels.add(XMLFactory.INSTANCE); + builtInModels.add(InternalFactory.INSTANCE); + } + return TypeHelperImpl.builtInModels; + } + + public ExtendedMetaData getExtendedMetaData() { + return extendedMetaData; + } + + // JIRA-helperContext + public TypeHelperImpl(HelperContext hc) { + this.helperContext = hc; + this.extendedMetaData = ((HelperContextImpl)hc).extendedMetaData; + + // Register the standard (predefined) SDO types + getBuiltInModels(); // Simply accessing EMF packages causes auto + // registration in global registry + + // MetadataFactoryImpl.init(); //FB do we want to preregister this? + } + + + public Type getType(String uri, String typeName) { + EPackage ePackage = extendedMetaData.getPackage(uri); + + if (ePackage != null) { + EClassifier eClassifier = ePackage.getEClassifier(typeName); + if (eClassifier == null) { + eClassifier = extendedMetaData.getType(ePackage, typeName); + } + return (Type)eClassifier; + } + return null; + } + + private Method getGetStaticTypeMethod(Class classObj) { + try { + Method method = classObj.getMethod("getStaticType", null); + return method; + } + catch (Exception e) { + return null; + } + } + + public Type getType(Class interfaceClass) { + Type type = SDOUtil.getJavaSDOType(interfaceClass); + if (type != null) { + return type; + } + + Class sdoTypeImplClass = interfaceClass; + Method getStaticTypeMethod = getGetStaticTypeMethod(interfaceClass); + if (getStaticTypeMethod == null) { + String sdoTypeImplClassName = interfaceClass.getName(); + if (sdoTypeImplClassName.endsWith("Impl") == false) { + sdoTypeImplClass = DataObjectUtil.getImplementationClass(interfaceClass, false); + if (sdoTypeImplClass == null) { + return null; + } + + getStaticTypeMethod = getGetStaticTypeMethod(sdoTypeImplClass); + if (getStaticTypeMethod == null) { + return null; + } + } + else { + return null; + } + } + + try { + Object implInstance = sdoTypeImplClass.newInstance(); + return (Type)getStaticTypeMethod.invoke(implInstance, null); + } + catch (Exception e) { + return null; + } + } + + public Type define(DataObject type) { + if (!(type instanceof org.apache.tuscany.sdo.model.Type)) + throw new IllegalArgumentException(); + org.apache.tuscany.sdo.model.Type modeledType = (org.apache.tuscany.sdo.model.Type)type; + + boolean isDataType = modeledType.isDataType(); + Type definedType = SDOUtil.createType(helperContext, modeledType.getUri(), modeledType.getName(), isDataType); + if (definedType == null) { + // If type already defined, return existing Type. + return getType(modeledType.getUri(), modeledType.getName()); + } + + SDOUtil.setJavaClassName(definedType, modeledType.getInstanceClassName()); + + if (!isDataType) { + SDOUtil.setSequenced(definedType, modeledType.isSequenced()); + SDOUtil.setOpen(definedType, modeledType.isOpen()); + SDOUtil.setAbstract(definedType, modeledType.isAbstract()); + + for (Iterator iter = modeledType.getBaseType().iterator(); iter.hasNext();) { + Type baseType = getDefinedType((org.apache.tuscany.sdo.model.Type)iter.next()); + SDOUtil.addBaseType(definedType, baseType); + } + + for (Iterator iter = modeledType.getAliasName().iterator(); iter.hasNext();) { + String aliasName = (String)iter.next(); + SDOUtil.addAliasName(definedType, aliasName); + } + + for (Iterator iter = modeledType.getProperty().iterator(); iter.hasNext();) { + org.apache.tuscany.sdo.model.Property modeledProperty = + (org.apache.tuscany.sdo.model.Property)iter.next(); + + Type propertyType = getDefinedType(modeledProperty.getType_()); + Property definedProperty = SDOUtil.createProperty(definedType, modeledProperty.getName(), propertyType); + + initializeProperty(definedProperty, modeledProperty); + } + + // define a global property to accompany the type definition + if (!SDOUtil.isDocumentRoot(definedType)) { + String propertyName = definedType.getName(); + if (!Character.isLowerCase(propertyName.charAt(0))) { + propertyName = propertyName.substring(0, 1).toLowerCase() + propertyName.substring(1); + } + Property globalProperty = + SDOUtil.createOpenContentProperty(helperContext, definedType.getURI(), propertyName, definedType); + SDOUtil.setContainment(globalProperty, true); + } + } // if (!isDataType) + + addTypeInstanceProperties(definedType, (DataObject)modeledType); + + return definedType; + } + + protected void addTypeInstanceProperties(Type definedType, DataObject modeledType) { + List instanceProperties = SDOUtil.getOpenContentProperties(modeledType); + for (Iterator iter = instanceProperties.iterator(); iter.hasNext();) { + Property property = (Property)iter.next(); + SDOUtil.addTypeInstanceProperty(definedType, property, modeledType.get(property)); + } + } + + protected void addPropertyInstanceProperties(Property definedProperty, DataObject modeledProperty) { + List instanceProperties = SDOUtil.getOpenContentProperties(modeledProperty); + for (Iterator iter = instanceProperties.iterator(); iter.hasNext();) { + Property property = (Property)iter.next(); + SDOUtil.addPropertyInstanceProperty(definedProperty, property, modeledProperty.get(property)); + } + } + + public List /* Type */define(List /* DataObject */types) { + int count = types.size(); + List definedTypes = new ArrayList(count); + for (int i = 0; i < count; i++) { + definedTypes.add(define((DataObject)types.get(i))); + } + return definedTypes; + } + + protected Type getDefinedType(org.apache.tuscany.sdo.model.Type modeledType) { + if (modeledType instanceof Type) { + return (Type)modeledType; + } else { + EClassifier eClassifier = extendedMetaData.getType(modeledType.getUri(), modeledType.getName()); + if (eClassifier != null) { + return (Type)eClassifier; + } else { + return define((DataObject)modeledType); + } + } + } + + protected Property getDefinedProperty(org.apache.tuscany.sdo.model.Property modeledProperty) { + if (modeledProperty instanceof Property) { + return (Property)modeledProperty; + } else { + DataObject modeledContainingType = ((DataObject)modeledProperty).getContainer(); + + Type definedContainingType = getDefinedType((org.apache.tuscany.sdo.model.Type)modeledContainingType); + String propertyName = modeledProperty.getName(); + + return definedContainingType.getProperty(propertyName); + } + } + + protected void initializeProperty(Property newProperty, org.apache.tuscany.sdo.model.Property modeledProperty) { + SDOUtil.setMany(newProperty, modeledProperty.isMany()); + SDOUtil.setDefault(newProperty, modeledProperty.getDefault_()); + SDOUtil.setReadOnly(newProperty, modeledProperty.isReadOnly()); + for (Iterator iter = modeledProperty.getAliasName().iterator(); iter.hasNext();) { + String aliasName = (String)iter.next(); + SDOUtil.addAliasName(newProperty, aliasName); + } + + if (newProperty.getType().isDataType()) { + // Setting xmlElement to FALSE only makes sense here + Boolean isXmlElement = Boolean.TRUE; // By default, a SDO property is an XSD element + Sequence anyAttr = modeledProperty.getAnyAttribute(); + for (int i=0; i<anyAttr.size(); i++) { + Property anyProp = anyAttr.getProperty(i); + if (XMLFactoryImpl.NAMESPACE_URI.equals(anyProp.getContainingType().getURI())) { + String propName = anyProp.getName(); + if ("xmlElement".equals(propName)) { + isXmlElement = (Boolean)anyAttr.getValue(i); + } + } + } + if (!isXmlElement.booleanValue()) { + SDOUtil.setPropertyXMLKind(newProperty, false); + } + } + else + { + SDOUtil.setContainment(newProperty, modeledProperty.isContainment()); + if (modeledProperty.getOpposite_() != null) { + SDOUtil.setOpposite(newProperty, getDefinedProperty(modeledProperty.getOpposite_())); + } + } + addPropertyInstanceProperties(newProperty, (DataObject)modeledProperty); + } + + public static final String TUSCANY_NO_URI = "http://tuscany-no-uri"; + + public Property defineOpenContentProperty(String uri, DataObject property) { + // validate property and get type + if (!(property instanceof org.apache.tuscany.sdo.model.impl.PropertyImpl)) + throw new IllegalArgumentException(); + org.apache.tuscany.sdo.model.Property modeledProperty = (org.apache.tuscany.sdo.model.Property)property; + Type propertyType = getDefinedType(modeledProperty.getType_()); + + if (uri == null) + uri = TUSCANY_NO_URI; + + Property newProperty = SDOUtil.createOpenContentProperty(helperContext, uri, modeledProperty.getName(), propertyType); + + // Propagate the modeled property's attributes + initializeProperty(newProperty, modeledProperty); + + return newProperty; + } + + + public Property getOpenContentProperty(String uri, String propertyName) { + EClass documentRoot = (EClass)extendedMetaData.getType(uri, ""); + return documentRoot != null ? (Property)documentRoot.getEStructuralFeature(propertyName) : null; + } + + public HelperContext getHelperContext() { + return helperContext; + } +} |