/*
* 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;
import java.lang.annotation.Annotation;
import javax.xml.namespace.QName;
import org.apache.tuscany.sca.databinding.ExceptionHandler;
import org.apache.tuscany.sca.databinding.SimpleTypeMapper;
import org.apache.tuscany.sca.databinding.WrapperHandler;
import org.apache.tuscany.sca.databinding.impl.BaseDataBinding;
import org.apache.tuscany.sca.interfacedef.DataType;
import org.apache.tuscany.sca.interfacedef.util.XMLType;
import commonj.sdo.DataObject;
import commonj.sdo.Type;
import commonj.sdo.helper.CopyHelper;
import commonj.sdo.helper.HelperContext;
import commonj.sdo.helper.XMLDocument;
import commonj.sdo.impl.HelperProvider;
/**
* SDO Databinding
*
* @version $Reve$ $Date: 2007-10-27 18:11:44 +0100 (Sat, 27 Oct 2007) $
*/
public class SDODataBinding extends BaseDataBinding {
public static final String NAME = DataObject.class.getName();
public static final String[] ALIASES = new String[] {"sdo"};
public static final String ROOT_NAMESPACE = "commonj.sdo";
public static final QName ROOT_ELEMENT = new QName(ROOT_NAMESPACE, "dataObject");
private WrapperHandler<Object> wrapperHandler;
public SDODataBinding() {
super(NAME, ALIASES, DataObject.class);
wrapperHandler = new SDOWrapperHandler();
}
@Override
public boolean introspect(DataType dataType, Annotation[] annotations) {
Class javaType = dataType.getPhysical();
HelperContext context = HelperProvider.getDefaultContext();
// FIXME: Need a better to test dynamic SDO
if (DataObject.class.isAssignableFrom(javaType)) {
// Dynamic SDO
dataType.setDataBinding(getName());
if (dataType.getLogical() == null) {
dataType.setLogical(XMLType.UNKNOWN);
}
return true;
}
// FIXME: We need to access HelperContext
Type type = context.getTypeHelper().getType(javaType);
if (type == null) {
return false;
}
if (type.isDataType()) {
// FIXME: Ignore simple types?
return false;
}
String namespace = type.getURI();
String name = context.getXSDHelper().getLocalName(type);
QName xmlType = new QName(namespace, name);
dataType.setDataBinding(getName());
QName elementName = null;
Object logical = dataType.getLogical();
if (logical instanceof XMLType) {
elementName = ((XMLType)logical).getElementName();
}
dataType.setLogical(new XMLType(elementName, xmlType));
return true;
}
@Override
public WrapperHandler getWrapperHandler() {
return wrapperHandler;
}
@Override
public SimpleTypeMapper getSimpleTypeMapper() {
return new SDOSimpleTypeMapper();
}
@Override
public Object copy(Object arg) {
HelperContext context = HelperProvider.getDefaultContext();
CopyHelper copyHelper = context.getCopyHelper();
if (arg instanceof XMLDocument) {
XMLDocument document = (XMLDocument)arg;
DataObject dataObject = copyHelper.copy(document.getRootObject());
return context.getXMLHelper().createDocument(dataObject,
document.getRootElementURI(),
document.getRootElementName());
} else if (arg instanceof DataObject) {
return context.getCopyHelper().copy((DataObject)arg);
} else {
return super.copy(arg);
}
}
@Override
public ExceptionHandler getExceptionHandler() {
return new SDOExceptionHandler();
}
}