org.fabric3.introspection.xml.template.TemplatesElementLoader Maven / Gradle / Ivy
/*
* Fabric3
* Copyright (c) 2009-2015 Metaform Systems
*
* 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.
* Portions originally based on Apache Tuscany 2007
* licensed under the Apache 2.0 license.
*/
package org.fabric3.introspection.xml.template;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.fabric3.api.model.type.ModelObject;
import org.fabric3.spi.introspection.IntrospectionContext;
import org.fabric3.spi.introspection.xml.LoaderRegistry;
import org.fabric3.spi.introspection.xml.TypeLoader;
import org.oasisopen.sca.annotation.Destroy;
import org.oasisopen.sca.annotation.EagerInit;
import org.oasisopen.sca.annotation.Init;
import org.oasisopen.sca.annotation.Reference;
/**
* Loads a <templates> element in a composite.
*/
@EagerInit
public class TemplatesElementLoader implements TypeLoader {
private static final QName QNAME = new QName(org.fabric3.api.Namespaces.F3, "templates");
private static final QName LAX_QNAME = new QName("", "templates");
private LoaderRegistry loaderRegistry;
public TemplatesElementLoader(@Reference LoaderRegistry loaderRegistry) {
this.loaderRegistry = loaderRegistry;
}
@Init
public void init() {
loaderRegistry.registerLoader(QNAME, this);
loaderRegistry.registerLoader(LAX_QNAME, this);
}
@Destroy
public void destroy() {
loaderRegistry.unregisterLoader(QNAME);
loaderRegistry.unregisterLoader(LAX_QNAME);
}
public ModelObject load(XMLStreamReader reader, IntrospectionContext context) throws XMLStreamException {
while (true) {
switch (reader.next()) {
case XMLStreamConstants.START_ELEMENT:
loaderRegistry.load(reader, ModelObject.class, context);
break;
case XMLStreamConstants.END_ELEMENT:
if ("templates".equals(reader.getName().getLocalPart())) {
return null;
}
}
}
}
}