/*
* 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.databinding.sdo;
import javax.xml.namespace.QName;
import org.apache.tuscany.sdo.util.SDOUtil;
import org.apache.tuscany.spi.databinding.TransformationContext;
import org.apache.tuscany.spi.databinding.WrapperHandler;
import org.apache.tuscany.spi.idl.ElementInfo;
import org.apache.tuscany.spi.model.DataType;
import commonj.sdo.DataObject;
import commonj.sdo.helper.DataFactory;
import commonj.sdo.helper.TypeHelper;
import commonj.sdo.helper.XMLDocument;
import commonj.sdo.helper.XMLHelper;
/**
* SDO Wrapper Handler
*/
public class SDOWrapperHandler implements WrapperHandler<Object> {
/**
* @see org.apache.tuscany.spi.databinding.WrapperHandler#create(ElementInfo,
* TransformationContext)
*/
public Object create(ElementInfo element, TransformationContext context) {
TypeHelper typeHelper = TypeHelper.INSTANCE;
if (context != null) {
DataType targetType = context.getTargetDataType();
if (targetType != null) {
typeHelper = (TypeHelper) targetType.getMetadata(TypeHelper.class.getName());
if (typeHelper == null) {
typeHelper = TypeHelper.INSTANCE;
}
}
}
QName typeName = element.getType().getQName();
DataFactory dataFactory = SDOUtil.createDataFactory(typeHelper);
DataObject root = dataFactory.create(typeName.getNamespaceURI(), typeName.getLocalPart());
XMLHelper xmlHelper = SDOUtil.createXMLHelper(typeHelper);
return xmlHelper.createDocument(root, element.getQName().getNamespaceURI(), element.getQName().getLocalPart());
}
/**
* @see org.apache.tuscany.spi.databinding.WrapperHandler#getChild(java.lang.Object, int,
* ElementInfo)
*/
public Object getChild(Object wrapper, int i, ElementInfo element) {
DataObject wrapperDO =
(wrapper instanceof XMLDocument) ? ((XMLDocument) wrapper).getRootObject() : (DataObject) wrapper;
return wrapperDO.get(element.getQName().getLocalPart());
}
/**
* @see org.apache.tuscany.spi.databinding.WrapperHandler#setChild(java.lang.Object, int,
* ElementInfo, java.lang.Object)
*/
public void setChild(Object wrapper, int i, ElementInfo childElement, Object value) {
DataObject wrapperDO =
(wrapper instanceof XMLDocument) ? ((XMLDocument) wrapper).getRootObject() : (DataObject) wrapper;
wrapperDO.set(childElement.getQName().getLocalPart(), value);
}
}