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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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);
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);
}
}
}
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