package org.jboss.as.subsystem.test.simple.subsystem;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.SUBSYSTEM;
import java.util.List;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import org.jboss.as.controller.Extension;
import org.jboss.as.controller.ExtensionContext;
import org.jboss.as.controller.ModelVersion;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.SimpleResourceDefinition;
import org.jboss.as.controller.SubsystemRegistration;
import org.jboss.as.controller.descriptions.NonResolvingResourceDescriptionResolver;
import org.jboss.as.controller.operations.common.GenericSubsystemDescribeHandler;
import org.jboss.as.controller.operations.common.Util;
import org.jboss.as.controller.parsing.ExtensionParsingContext;
import org.jboss.as.controller.parsing.ParseUtils;
import org.jboss.as.controller.persistence.SubsystemMarshallingContext;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.dmr.ModelNode;
import org.jboss.staxmapper.XMLElementReader;
import org.jboss.staxmapper.XMLElementWriter;
import org.jboss.staxmapper.XMLExtendedStreamReader;
import org.jboss.staxmapper.XMLExtendedStreamWriter;
/**
*
* @author <a href="kabir.khan@jboss.com">Kabir Khan</a>
*/
public class SimpleSubsystemExtension implements Extension {
/** The name space used for the {@code substystem} element */
public static final String NAMESPACE = "urn:mycompany:mysubsystem:1.0";
/** The name of our subsystem within the model. */
public static final String SUBSYSTEM_NAME = "mysubsystem";
/** The parser used for parsing our subsystem */
private final SubsystemParser parser = new SubsystemParser();
@Override
public void initializeParsers(ExtensionParsingContext context) {
context.setSubsystemXmlMapping(SUBSYSTEM_NAME, NAMESPACE, parser);
}
@Override
public void initialize(ExtensionContext context) {
final SubsystemRegistration subsystem = context.registerSubsystem(SUBSYSTEM_NAME, ModelVersion.create(1));
final ManagementResourceRegistration registration = subsystem.registerSubsystemModel(new SimpleResourceDefinition(
PathElement.pathElement(SUBSYSTEM, SUBSYSTEM_NAME),
new NonResolvingResourceDescriptionResolver(),
SimpleSubsystemAdd.INSTANCE,
SimpleSubsystemRemove.INSTANCE
));
//We always need to add a 'describe' operation
registration.registerOperationHandler(GenericSubsystemDescribeHandler.DEFINITION, GenericSubsystemDescribeHandler.INSTANCE);
subsystem.registerXMLElementWriter(parser);
}
/**
* The subsystem parser, which uses stax to read and write to and from xml
*/
private static class SubsystemParser implements XMLStreamConstants, XMLElementReader<List<ModelNode>>, XMLElementWriter<SubsystemMarshallingContext> {
/** {@inheritDoc} */
@Override
public void writeContent(XMLExtendedStreamWriter writer, SubsystemMarshallingContext context) throws XMLStreamException {
context.startSubsystemElement(SimpleSubsystemExtension.NAMESPACE, false);
writer.writeEndElement();
}
/** {@inheritDoc} */
@Override
public void readElement(XMLExtendedStreamReader reader, List<ModelNode> list) throws XMLStreamException {
// Require no content
ParseUtils.requireNoContent(reader);
list.add(Util.createAddOperation(PathAddress.pathAddress(PathElement.pathElement(SUBSYSTEM, SUBSYSTEM_NAME))));
}
}
}