package org.jboss.as.txn.subsystem;
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.descriptions.ModelDescriptionConstants;
import org.jboss.dmr.ModelNode;
import org.jboss.staxmapper.XMLElementReader;
import org.jboss.staxmapper.XMLExtendedStreamReader;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ADD;
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.parsing.ParseUtils.duplicateNamedElement;
import static org.jboss.as.controller.parsing.ParseUtils.missingOneOf;
import static org.jboss.as.controller.parsing.ParseUtils.missingRequired;
import static org.jboss.as.controller.parsing.ParseUtils.missingRequiredElement;
import static org.jboss.as.controller.parsing.ParseUtils.requireNoContent;
import static org.jboss.as.controller.parsing.ParseUtils.requireNoNamespaceAttribute;
import static org.jboss.as.controller.parsing.ParseUtils.unexpectedAttribute;
import static org.jboss.as.controller.parsing.ParseUtils.unexpectedElement;
/**
*/
class TransactionSubsystem10Parser implements XMLStreamConstants, XMLElementReader<List<ModelNode>> {
public static final TransactionSubsystem10Parser INSTANCE = new TransactionSubsystem10Parser();
private TransactionSubsystem10Parser() {
}
/**
* {@inheritDoc}
*/
@Override
public void readElement(XMLExtendedStreamReader reader, List<ModelNode> list) throws XMLStreamException {
// no attributes
if (reader.getAttributeCount() > 0) {
throw unexpectedAttribute(reader, 0);
}
final ModelNode address = new ModelNode();
address.add(ModelDescriptionConstants.SUBSYSTEM, TransactionExtension.SUBSYSTEM_NAME);
address.protect();
final ModelNode subsystem = new ModelNode();
subsystem.get(OP).set(ADD);
subsystem.get(OP_ADDR).set(address);
list.add(subsystem);
// elements
final EnumSet<Element> required = EnumSet.of(Element.RECOVERY_ENVIRONMENT, Element.CORE_ENVIRONMENT);
final EnumSet<Element> encountered = EnumSet.noneOf(Element.class);
while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
switch (Namespace.forUri(reader.getNamespaceURI())) {
case TRANSACTIONS_1_0: {
final Element element = Element.forName(reader.getLocalName());
required.remove(element);
if (!encountered.add(element)) {
throw unexpectedElement(reader);
}
switch (element) {
case RECOVERY_ENVIRONMENT: {
parseRecoveryEnvironmentElement(reader, subsystem);
break;
}
case CORE_ENVIRONMENT: {
parseCoreEnvironmentElement(reader, subsystem);
break;
}
case COORDINATOR_ENVIRONMENT: {
parseCoordinatorEnvironmentElement(reader, subsystem);
break;
}
case OBJECT_STORE: {
parseObjectStoreEnvironmentElementAndEnrichOperation(reader, subsystem);
break;
}
default: {
throw unexpectedElement(reader);
}
}
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
if (!required.isEmpty()) {
throw missingRequiredElement(reader, required);
}
}
static void parseObjectStoreEnvironmentElementAndEnrichOperation(final XMLExtendedStreamReader reader, ModelNode operation) throws XMLStreamException {
final int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
switch (attribute) {
case RELATIVE_TO:
TransactionSubsystemRootResourceDefinition.OBJECT_STORE_RELATIVE_TO.parseAndSetParameter(value, operation, reader);
break;
case PATH:
TransactionSubsystemRootResourceDefinition.OBJECT_STORE_PATH.parseAndSetParameter(value, operation, reader);
break;
default:
throw unexpectedAttribute(reader, i);
}
}
// Handle elements
requireNoContent(reader);
}
static void parseCoordinatorEnvironmentElement(final XMLExtendedStreamReader reader, final ModelNode operation) throws XMLStreamException {
final int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
switch (attribute) {
case ENABLE_STATISTICS:
TransactionSubsystemRootResourceDefinition.ENABLE_STATISTICS.parseAndSetParameter(value, operation, reader);
break;
case ENABLE_TSM_STATUS:
TransactionSubsystemRootResourceDefinition.ENABLE_TSM_STATUS.parseAndSetParameter(value, operation, reader);
break;
case DEFAULT_TIMEOUT:
TransactionSubsystemRootResourceDefinition.DEFAULT_TIMEOUT.parseAndSetParameter(value, operation, reader);
break;
default:
throw unexpectedAttribute(reader, i);
}
}
// Handle elements
requireNoContent(reader);
}
/**
* Handle the core-environment element and children
*
* @param reader
* @return ModelNode for the core-environment
* @throws javax.xml.stream.XMLStreamException
*
*/
static void parseCoreEnvironmentElement(final XMLExtendedStreamReader reader, final ModelNode operation) throws XMLStreamException {
final int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
switch (attribute) {
case NODE_IDENTIFIER:
TransactionSubsystemRootResourceDefinition.NODE_IDENTIFIER.parseAndSetParameter(value, operation, reader);
break;
case PATH:
TransactionSubsystemRootResourceDefinition.PATH.parseAndSetParameter(value, operation, reader);
break;
case RELATIVE_TO:
TransactionSubsystemRootResourceDefinition.RELATIVE_TO.parseAndSetParameter(value, operation, reader);
break;
default:
throw unexpectedAttribute(reader, i);
}
}
// elements
final EnumSet<Element> required = EnumSet.of(Element.PROCESS_ID);
final EnumSet<Element> encountered = EnumSet.noneOf(Element.class);
while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
final Element element = Element.forName(reader.getLocalName());
required.remove(element);
switch (element) {
case PROCESS_ID: {
if (!encountered.add(element)) {
throw duplicateNamedElement(reader, reader.getLocalName());
}
parseProcessIdEnvironmentElement(reader, operation);
break;
}
default:
throw unexpectedElement(reader);
}
}
if (!required.isEmpty()) {
throw missingRequiredElement(reader, required);
}
}
/**
* Handle the process-id child elements
*
* @param reader
* @param coreEnvironmentAdd
* @return
* @throws javax.xml.stream.XMLStreamException
*
*/
static void parseProcessIdEnvironmentElement(XMLExtendedStreamReader reader, ModelNode coreEnvironmentAdd) throws XMLStreamException {
// elements
boolean encountered = false;
while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
final Element element = Element.forName(reader.getLocalName());
switch (element) {
case UUID:
if (encountered) {
throw unexpectedElement(reader);
}
encountered = true;
coreEnvironmentAdd.get(TransactionSubsystemRootResourceDefinition.PROCESS_ID_UUID.getName()).set(true);
requireNoContent(reader);
break;
case SOCKET: {
if (encountered) {
throw unexpectedElement(reader);
}
encountered = true;
parseSocketProcessIdElement(reader, coreEnvironmentAdd);
break;
}
default:
throw unexpectedElement(reader);
}
}
if (!encountered) {
throw missingOneOf(reader, EnumSet.of(Element.UUID, Element.SOCKET));
}
}
static void parseSocketProcessIdElement(XMLExtendedStreamReader reader, ModelNode coreEnvironmentAdd) throws XMLStreamException {
final int count = reader.getAttributeCount();
final EnumSet<Attribute> required = EnumSet.of(Attribute.BINDING);
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
required.remove(attribute);
switch (attribute) {
case BINDING:
TransactionSubsystemRootResourceDefinition.PROCESS_ID_SOCKET_BINDING.parseAndSetParameter(value, coreEnvironmentAdd, reader);
break;
case SOCKET_PROCESS_ID_MAX_PORTS:
TransactionSubsystemRootResourceDefinition.PROCESS_ID_SOCKET_MAX_PORTS.parseAndSetParameter(value, coreEnvironmentAdd, reader);
break;
default:
throw unexpectedAttribute(reader, i);
}
}
if (!required.isEmpty()) {
throw missingRequired(reader, required);
}
// Handle elements
requireNoContent(reader);
}
static void parseRecoveryEnvironmentElement(final XMLExtendedStreamReader reader, final ModelNode operation) throws XMLStreamException {
Set<Attribute> required = EnumSet.of(Attribute.BINDING, Attribute.STATUS_BINDING);
final int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
required.remove(attribute);
switch (attribute) {
case BINDING:
TransactionSubsystemRootResourceDefinition.BINDING.parseAndSetParameter(value, operation, reader);
break;
case STATUS_BINDING:
TransactionSubsystemRootResourceDefinition.STATUS_BINDING.parseAndSetParameter(value, operation, reader);
break;
case RECOVERY_LISTENER:
TransactionSubsystemRootResourceDefinition.RECOVERY_LISTENER.parseAndSetParameter(value, operation, reader);
break;
default:
unexpectedAttribute(reader, i);
}
}
if (!required.isEmpty()) {
throw missingRequired(reader, required);
}
// Handle elements
requireNoContent(reader);
}
}