/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, 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.wildfly.extension.batch;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.operations.common.Util;
import org.jboss.as.controller.parsing.ParseUtils;
import org.jboss.as.controller.persistence.SubsystemMarshallingContext;
import org.jboss.as.threads.ThreadsParser;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.Property;
import org.jboss.staxmapper.XMLElementReader;
import org.jboss.staxmapper.XMLElementWriter;
import org.jboss.staxmapper.XMLExtendedStreamReader;
import org.jboss.staxmapper.XMLExtendedStreamWriter;
import org.wildfly.extension.batch.job.repository.JobRepositoryType;
/**
* @author <a href="mailto:jperkins@redhat.com">James R. Perkins</a>
*/
class BatchSubsystemParser implements XMLStreamConstants, XMLElementReader<List<ModelNode>>, XMLElementWriter<SubsystemMarshallingContext> {
private final ThreadsParser threadsParser;
BatchSubsystemParser() {
threadsParser = ThreadsParser.getInstance();
}
@Override
public void readElement(final XMLExtendedStreamReader reader, final List<ModelNode> list) throws XMLStreamException {
final PathAddress subsystemAddress = PathAddress.pathAddress(BatchSubsystemDefinition.SUBSYSTEM_PATH);
// Add the subsytem
final ModelNode subsystemAddOp = Util.createAddOperation(subsystemAddress);
list.add(subsystemAddOp);
// Add the job-repository=jdbc resource
final ModelNode jdbcAddOp = Util.createAddOperation(subsystemAddress.append(JobRepositoryDefinition.JDBC.getPathElement()));
list.add(jdbcAddOp);
final Set<Element> requiredElements = EnumSet.of(Element.JOB_REPOSITORY, Element.THREAD_POOL);
while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
final Namespace namespace = Namespace.forUri(reader.getNamespaceURI());
if (namespace == Namespace.BATCH_1_0) {
final String localName = reader.getLocalName();
final Element element = Element.forName(localName);
if (element == Element.JOB_REPOSITORY) {
requiredElements.remove(Element.JOB_REPOSITORY);
parseJobRepository(reader, subsystemAddOp, jdbcAddOp);
} else if (element == Element.THREAD_POOL) {
requiredElements.remove(Element.THREAD_POOL);
threadsParser.parseUnboundedQueueThreadPool(reader, namespace.getUriString(),
org.jboss.as.threads.Namespace.THREADS_1_1, subsystemAddress.toModelNode(), list,
BatchConstants.THREAD_POOL, BatchConstants.THREAD_POOL_NAME);
} else if (element == Element.THREAD_FACTORY) {
threadsParser.parseThreadFactory(reader, namespace.getUriString(),
org.jboss.as.threads.Namespace.THREADS_1_1, subsystemAddress.toModelNode(), list,
BatchConstants.THREAD_FACTORY, null);
} else {
throw ParseUtils.unexpectedElement(reader);
}
} else {
throw ParseUtils.unexpectedElement(reader);
}
}
if (!requiredElements.isEmpty()) {
throw ParseUtils.missingRequired(reader, requiredElements);
}
ParseUtils.requireNoContent(reader);
}
private void parseJobRepository(final XMLExtendedStreamReader reader, final ModelNode subsystemAddOp, final ModelNode jdbcAddOp) throws XMLStreamException {
while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
final String localName = reader.getLocalName();
final Element element = Element.forName(localName);
final JobRepositoryType jobRepositoryType;
if (element == Element.IN_MEMORY) {
jobRepositoryType = JobRepositoryType.IN_MEMORY;
ParseUtils.requireNoContent(reader);
} else if (element == Element.JDBC) {
jobRepositoryType = JobRepositoryType.JDBC;
if (reader.getAttributeCount() > 0) {
final String value = ParseUtils.readStringAttributeElement(reader, Attribute.JNDI_NAME.getLocalName());
JobRepositoryDefinition.JNDI_NAME.parseAndSetParameter(value, jdbcAddOp, reader);
} else {
ParseUtils.requireNoContent(reader);
}
} else {
throw ParseUtils.unexpectedElement(reader);
}
BatchSubsystemDefinition.JOB_REPOSITORY_TYPE.parseAndSetParameter(jobRepositoryType.toString(), subsystemAddOp, reader);
}
}
@Override
public void writeContent(final XMLExtendedStreamWriter writer, final SubsystemMarshallingContext context) throws XMLStreamException {
context.startSubsystemElement(Namespace.CURRENT.getUriString(), false);
final ModelNode model = context.getModelNode();
BatchSubsystemDefinition.JOB_REPOSITORY_TYPE.marshallAsElement(model, writer);
// Write the thread pool
if (model.hasDefined(BatchConstants.THREAD_POOL)) {
final List<Property> threadPools = model.get(BatchConstants.THREAD_POOL).asPropertyList();
for (Property threadPool : threadPools) {
threadsParser.writeUnboundedQueueThreadPool(writer, threadPool, Element.THREAD_POOL.getLocalName(), false);
}
}
// Write out the thread factory
if (model.hasDefined(BatchConstants.THREAD_FACTORY)) {
final List<Property> threadFactories = model.get(BatchConstants.THREAD_FACTORY).asPropertyList();
for (Property threadFactory : threadFactories) {
threadsParser.writeThreadFactory(writer, threadFactory);
}
}
writer.writeEndElement();
}
}