diff options
Diffstat (limited to 'sdo-java/tags/1.0-incubator-M2/impl/src/main/java/org/apache/tuscany/sdo/helper/TypeHelperImpl.java')
| -rw-r--r-- | sdo-java/tags/1.0-incubator-M2/impl/src/main/java/org/apache/tuscany/sdo/helper/TypeHelperImpl.java | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/sdo-java/tags/1.0-incubator-M2/impl/src/main/java/org/apache/tuscany/sdo/helper/TypeHelperImpl.java b/sdo-java/tags/1.0-incubator-M2/impl/src/main/java/org/apache/tuscany/sdo/helper/TypeHelperImpl.java new file mode 100644 index 0000000000..eee90b866f --- /dev/null +++ b/sdo-java/tags/1.0-incubator-M2/impl/src/main/java/org/apache/tuscany/sdo/helper/TypeHelperImpl.java @@ -0,0 +1,286 @@ +/** + * + * 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.util.ArrayList; +import java.util.Iterator; +import java.util.List; + +import org.apache.tuscany.sdo.model.impl.ModelPackageImpl; +import org.apache.tuscany.sdo.model.java.impl.JavaPackageImpl; +import org.apache.tuscany.sdo.util.SDOUtil; +import org.apache.tuscany.sdo.util.metadata.impl.MetadataPackageImpl; +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.Type; +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 ExtendedMetaData extendedMetaData; + + public ExtendedMetaData getExtendedMetaData() + { + return extendedMetaData; + } + + public TypeHelperImpl(ExtendedMetaData extendedMetaData) + { + this.extendedMetaData = extendedMetaData; + + // Register the standard (predefined) SDO types + ModelPackageImpl.init(); + JavaPackageImpl.init(); + MetadataPackageImpl.init(); + } + + 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; + } + + public Type getType(Class interfaceClass) + { + Type type = SDOUtil.getJavaSDOType(interfaceClass); + if (type != null) + { + return type; + } + + //TODO more efficient implementation ... this is a really bad one! + for (Iterator iter = EPackage.Registry.INSTANCE.values().iterator(); iter.hasNext(); ) + { + Object value = iter.next(); + if (value instanceof EPackage) + { + EPackage ePackage = (EPackage)value; + for (Iterator iter2 = ePackage.getEClassifiers().iterator(); iter2.hasNext(); ) + { + EClassifier eClassifier = (EClassifier)iter2.next(); + if (eClassifier.getInstanceClass() == interfaceClass) + { + return (Type)eClassifier; + } + } + } + } + + 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(this, modeledType.getUri(), modeledType.getName(), isDataType); + if (definedType == null) + { + // If type already defined, return the 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); + + SDOUtil.setMany(definedProperty, modeledProperty.isMany()); + SDOUtil.setDefault(definedProperty, modeledProperty.getDefault_()); + SDOUtil.setReadOnly(definedProperty, modeledProperty.isReadOnly()); + + for (Iterator iter2 = modeledProperty.getAliasName().iterator(); iter2.hasNext(); ) + { + String aliasName = (String)iter2.next(); + SDOUtil.addAliasName(definedProperty, aliasName); + } + + if (!propertyType.isDataType()) + { + SDOUtil.setContainment(definedProperty, modeledProperty.isContainment()); + if (modeledProperty.getOpposite_() != null) + { + SDOUtil.setOpposite(definedProperty, getDefinedProperty(modeledProperty.getOpposite_())); + } + } + } + } // if (!isDataType) + + return definedType; + } + + 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); + } + } + + 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; + + // get/create document root + EPackage ePackage = extendedMetaData.getPackage(uri); + Type documentRoot = + ePackage != null ? (Type)extendedMetaData.getType(extendedMetaData.getPackage(uri), "") : null; + if (documentRoot == null) + { + documentRoot = SDOUtil.createType(this, uri, null, false); + } + + // Determine if property already exists + Property newProperty = documentRoot.getProperty(modeledProperty.getName()); + if (newProperty == null) + { + //FB TBD ... is this code really supposed to be the same as in define()? If so, factor it out and reuse + + // Create the new property 'under' the document root..... + newProperty = SDOUtil.createProperty(documentRoot, modeledProperty.getName(), propertyType); + + // Propagate the modeled property's attributes + 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 (!propertyType.isDataType()) + { + SDOUtil.setContainment(newProperty, modeledProperty.isContainment()); + if (modeledProperty.getOpposite_() != null) + { + SDOUtil.setOpposite(newProperty, getDefinedProperty(modeledProperty.getOpposite_())); + } + } + } + else + { + // if property already exists, validate the expected type + if (!newProperty.getType().equals(propertyType)) + throw new IllegalArgumentException(); + } + + return newProperty; + } + + public Property getOpenContentProperty(String uri, String propertyName) + { + //FB TBD ... in the future we will allow elements or attributes - see SDOUtil.createProperty() + return (Property)extendedMetaData.getElement(uri, propertyName); + } +} |