/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.weld;
import java.util.List;
import java.util.Locale;
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.OperationContext;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.ReloadRequiredRemoveStepHandler;
import org.jboss.as.controller.SubsystemRegistration;
import org.jboss.as.controller.descriptions.DescriptionProvider;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ADD;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.DESCRIBE;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.REMOVE;
import org.jboss.as.controller.descriptions.common.CommonDescriptions;
import org.jboss.as.controller.parsing.ExtensionParsingContext;
import static org.jboss.as.controller.parsing.ParseUtils.requireNoAttributes;
import static org.jboss.as.controller.parsing.ParseUtils.requireNoContent;
import org.jboss.as.controller.persistence.SubsystemMarshallingContext;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.controller.registry.OperationEntry;
import org.jboss.dmr.ModelNode;
import org.jboss.logging.Logger;
import org.jboss.staxmapper.XMLElementReader;
import org.jboss.staxmapper.XMLElementWriter;
import org.jboss.staxmapper.XMLExtendedStreamReader;
import org.jboss.staxmapper.XMLExtendedStreamWriter;
/**
* Domain extension used to initialize the weld subsystem.
*
* @author Stuart Douglas
* @author Emanuel Muckenhuber
*/
public class WeldExtension implements Extension {
private static final Logger log = Logger.getLogger("org.jboss.weld");
public static final String SUBSYSTEM_NAME = "weld";
public static final String NAMESPACE = "urn:jboss:domain:weld:1.0";
private static final WeldSubsystemParser parser = new WeldSubsystemParser();
/** {@inheritDoc} */
@Override
public void initialize(final ExtensionContext context) {
log.debug("Activating Weld Extension");
final SubsystemRegistration subsystem = context.registerSubsystem(SUBSYSTEM_NAME);
final ManagementResourceRegistration registration = subsystem.registerSubsystemModel(SUBSYSTEM_DESCRIPTION);
registration.registerOperationHandler(ADD, WeldSubsystemAdd.INSTANCE, SUBSYSTEM_ADD_DESCRIPTION, false);
registration.registerOperationHandler(DESCRIBE, WeldSubsystemDescribeHandler.INSTANCE, WeldSubsystemDescribeHandler.INSTANCE, false, OperationEntry.EntryType.PRIVATE);
registration.registerOperationHandler(REMOVE, ReloadRequiredRemoveStepHandler.INSTANCE, SUBSYSTEM_REMOVE_DESCRIPTION, false);
subsystem.registerXMLElementWriter(parser);
}
/** {@inheritDoc} */
@Override
public void initializeParsers(final ExtensionParsingContext context) {
context.setSubsystemXmlMapping(WeldExtension.NAMESPACE, parser);
}
private static ModelNode createAddSubSystemOperation() {
final ModelNode subsystem = new ModelNode();
subsystem.get(OP).set(ADD);
subsystem.get(OP_ADDR).add(ModelDescriptionConstants.SUBSYSTEM, SUBSYSTEM_NAME);
return subsystem;
}
static class WeldSubsystemParser implements XMLStreamConstants, XMLElementReader<List<ModelNode>>, XMLElementWriter<SubsystemMarshallingContext> {
/** {@inheritDoc} */
@Override
public void readElement(final XMLExtendedStreamReader reader, final List<ModelNode> list) throws XMLStreamException {
// Require no attributes or content
requireNoAttributes(reader);
requireNoContent(reader);
list.add(createAddSubSystemOperation());
}
/** {@inheritDoc} */
@Override
public void writeContent(final XMLExtendedStreamWriter streamWriter, final SubsystemMarshallingContext context) throws XMLStreamException {
//TODO seems to be a problem with empty elements cleaning up the queue in FormattingXMLStreamWriter.runAttrQueue
//context.startSubsystemElement(NewWeldExtension, true);
context.startSubsystemElement(WeldExtension.NAMESPACE, false);
streamWriter.writeEndElement();
}
}
static final DescriptionProvider SUBSYSTEM_DESCRIPTION = new DescriptionProvider() {
@Override
public ModelNode getModelDescription(Locale locale) {
return WeldSubsystemProviders.getSubsystemDescription(locale);
}
};
static final DescriptionProvider SUBSYSTEM_ADD_DESCRIPTION = new DescriptionProvider() {
@Override
public ModelNode getModelDescription(Locale locale) {
return WeldSubsystemProviders.getSubsystemAddDescription(locale);
}
};
static final DescriptionProvider SUBSYSTEM_REMOVE_DESCRIPTION = new DescriptionProvider() {
@Override
public ModelNode getModelDescription(Locale locale) {
return WeldSubsystemProviders.getSubsystemRemoveDescription(locale);
}
};
private static class WeldSubsystemDescribeHandler implements OperationStepHandler, DescriptionProvider {
static final WeldSubsystemDescribeHandler INSTANCE = new WeldSubsystemDescribeHandler();
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
context.getResult().add(createAddSubSystemOperation());
context.completeStep();
}
@Override
public ModelNode getModelDescription(Locale locale) {
return CommonDescriptions.getSubsystemDescribeOperation(locale);
}
}
}