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/**
*
* Copyright 2005 The Apache Software Foundation
*
* 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.core.loader.assembly;
import org.apache.tuscany.core.config.ConfigurationLoadException;
import org.apache.tuscany.core.loader.StAXUtil;
import org.apache.tuscany.core.loader.LoaderContext;
import static org.apache.tuscany.core.loader.assembly.AssemblyConstants.PROPERTY;
import org.apache.tuscany.model.assembly.Property;
import org.osoa.sca.annotations.Scope;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import java.util.HashMap;
import java.util.Map;
/**
* @version $Rev$ $Date$
*/
@Scope("MODULE")
public class PropertyLoader extends AbstractLoader {
private static final String XSD = "http://www.w3.org/2001/XMLSchema";
private static final Map<QName, Class<?>> TYPE_MAP;
static {
// todo support more XSD types, or remove if we store the QName
TYPE_MAP = new HashMap<QName, Class<?>>(17);
TYPE_MAP.put(new QName(XSD, "string"), String.class);
}
public QName getXMLType() {
return PROPERTY;
}
public Property load(XMLStreamReader reader, LoaderContext loaderContext) throws XMLStreamException, ConfigurationLoadException {
assert PROPERTY.equals(reader.getName());
Property property = factory.createProperty();
property.setName(reader.getAttributeValue(null, "name"));
String typeName = reader.getAttributeValue(null, "type");
// support XSD type or Java class name
// todo perhaps we should just store the QName for the PropertyFactory to use
int index = typeName.indexOf(':');
if (index != -1) {
String prefix = typeName.substring(0, index);
String namespaceURI = reader.getNamespaceURI(prefix);
QName qname = new QName(namespaceURI, typeName.substring(index+1));
property.setType(TYPE_MAP.get(qname));
} else {
try {
Class<?> type = loaderContext.getResourceLoader().loadClass(typeName);
property.setType(type);
} catch (ClassNotFoundException e) {
throw new ConfigurationLoadException(e);
}
}
property.setMany(Boolean.parseBoolean(reader.getAttributeValue(null, "many")));
property.setDefaultValue(reader.getAttributeValue(null, "default"));
String required = reader.getAttributeValue(null, "required");
property.setRequired(required != null && Boolean.valueOf(required));
StAXUtil.skipToEndElement(reader);
return property;
}
}
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