/*
* 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.core.databinding.impl;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.apache.tuscany.spi.annotation.Autowire;
import org.apache.tuscany.spi.component.CompositeComponent;
import org.apache.tuscany.spi.deployer.DeploymentContext;
import org.apache.tuscany.spi.extension.LoaderExtension;
import org.apache.tuscany.spi.loader.InvalidValueException;
import org.apache.tuscany.spi.loader.LoaderException;
import org.apache.tuscany.spi.loader.LoaderRegistry;
import org.apache.tuscany.spi.loader.LoaderUtil;
import org.apache.tuscany.spi.model.DataType;
import org.osoa.sca.annotations.Constructor;
/**
* The StAX loader for data type
*/
public class DataTypeLoader extends LoaderExtension<DataType> {
public static final QName DATA_BINDING =
new QName("http://incubator.apache.org/tuscany/xmlns/databinding/1.0-incubator-M2", "databinding");
@Constructor({"registry"})
public DataTypeLoader(@Autowire LoaderRegistry registry) {
super(registry);
}
@Override
public QName getXMLType() {
return DATA_BINDING;
}
public DataType load(CompositeComponent parent,
XMLStreamReader reader,
DeploymentContext deploymentContext) throws XMLStreamException, LoaderException {
assert DATA_BINDING.equals(reader.getName());
String name = reader.getAttributeValue(null, "name");
LoaderUtil.skipToEndElement(reader);
if (name == null) {
throw new InvalidValueException("The 'name' attrbiute is required");
}
DataType dataType = new DataType<Class>(name, Object.class, Object.class);
return dataType;
}
}