/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, 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.txn.subsystem;
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.missingRequired;
import static org.jboss.as.controller.parsing.ParseUtils.unexpectedElement;
import java.util.List;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.dmr.ModelNode;
import org.jboss.staxmapper.XMLExtendedStreamReader;
/**
* The {@link org.jboss.staxmapper.XMLExtendedStreamReader} that handles the version 3.0 of Transaction subsystem xml.
*/
class TransactionSubsystem15Parser extends TransactionSubsystem14Parser {
TransactionSubsystem15Parser() {
super(Namespace.TRANSACTIONS_1_5);
}
@Override
protected void readElement(final XMLExtendedStreamReader reader, final Element element, final List<ModelNode> operations, final ModelNode subsystemOperation, final ModelNode logStoreOperation) throws XMLStreamException {
switch (element) {
case RECOVERY_ENVIRONMENT: {
parseRecoveryEnvironmentElement(reader, subsystemOperation);
break;
}
case CORE_ENVIRONMENT: {
parseCoreEnvironmentElement(reader, subsystemOperation);
break;
}
case COORDINATOR_ENVIRONMENT: {
parseCoordinatorEnvironmentElement(reader, subsystemOperation);
break;
}
case OBJECT_STORE: {
parseObjectStoreEnvironmentElementAndEnrichOperation(reader, subsystemOperation);
break;
}
case JTS: {
parseJts(reader, subsystemOperation);
break;
}
case USE_HORNETQ_STORE: {
if (choiceObjectStoreEncountered) {
throw unexpectedElement(reader);
}
choiceObjectStoreEncountered = true;
parseUseJournalstore(reader, logStoreOperation, subsystemOperation);
subsystemOperation.get(CommonAttributes.USE_JOURNAL_STORE).set(true);
break;
}
case JDBC_STORE: {
if (choiceObjectStoreEncountered) {
throw unexpectedElement(reader);
}
choiceObjectStoreEncountered = true;
parseJdbcStoreElementAndEnrichOperation(reader, logStoreOperation, subsystemOperation);
subsystemOperation.get(CommonAttributes.USE_JDBC_STORE).set(true);
break;
}
case CM_RESOURCES:
parseCMs(reader, operations);
break;
default: {
throw unexpectedElement(reader);
}
}
}
private void parseCMs(XMLExtendedStreamReader reader, List<ModelNode> operations) throws XMLStreamException {
while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
final Element element = Element.forName(reader.getLocalName());
switch (element) {
case CM_RESPOURCE:
parseCM(reader, operations);
break;
default: {
throw unexpectedElement(reader);
}
}
}
}
private void parseCM(XMLExtendedStreamReader reader, List<ModelNode> operations) throws XMLStreamException {
final ModelNode address = new ModelNode();
address.add(ModelDescriptionConstants.SUBSYSTEM, TransactionExtension.SUBSYSTEM_NAME);
address.protect();
final ModelNode cmrAddress = address.clone();
final ModelNode cmrOperation = new ModelNode();
cmrOperation.get(OP).set(ADD);
String jndiName = null;
for (Attribute attribute : Attribute.values()) {
switch (attribute) {
case JNDI_NAME: {
jndiName = rawAttributeText(reader, CMResourceResourceDefinition.JNDI_NAME.getXmlName(), null);
break;
}
default:
break;
}
}
if (jndiName == null) {
throw missingRequired(reader, CMResourceResourceDefinition.JNDI_NAME.getXmlName());
}
cmrAddress.add(CommonAttributes.CM_RESOURCE, jndiName);
while (reader.hasNext()) {
switch (reader.nextTag()) {
case END_ELEMENT: {
if (Element.forName(reader.getLocalName()) == Element.CM_RESPOURCE) {
cmrAddress.protect();
cmrOperation.get(OP_ADDR).set(cmrAddress);
operations.add(cmrOperation);
return;
} else {
if (Element.forName(reader.getLocalName()) == Element.UNKNOWN) {
throw unexpectedElement(reader);
}
}
break;
}
case START_ELEMENT: {
switch (Element.forName(reader.getLocalName())) {
case CM_TABLE: {
for (Attribute attribute : Attribute.values()) {
switch (attribute) {
case NAME: {
addAttribute(reader, cmrOperation, CMResourceResourceDefinition.CM_TABLE_NAME);
break;
}
case CM_TABLE_BATCH_SIZE:
addAttribute(reader, cmrOperation, CMResourceResourceDefinition.CM_TABLE_BATCH_SIZE);
break;
case CM_TABLE_IMMEDIATE_CLEANUP:
addAttribute(reader, cmrOperation, CMResourceResourceDefinition.CM_TABLE_IMMEDIATE_CLEANUP);
break;
default:
break;
}
}
break;
}
}
}
}
}
}
private void addAttribute(XMLExtendedStreamReader reader, ModelNode operation, SimpleAttributeDefinition attributeDefinition) throws XMLStreamException {
String value = rawAttributeText(reader, attributeDefinition.getXmlName(), null);
if (value != null) {
attributeDefinition.parseAndSetParameter(value, operation, reader);
} else {
throw missingRequired(reader, attributeDefinition.getXmlName());
}
}
/**
* Reads and trims the text for the given attribute and returns it or {@code defaultValue} if there is no
* value for the attribute
*
* @param reader source for the attribute text
* @param attributeName the name of the attribute
* @param defaultValue value to return if there is no value for the attribute
* @return the string representing raw attribute text or {@code defaultValue} if there is none
*/
private String rawAttributeText(XMLStreamReader reader, String attributeName, String defaultValue) {
return reader.getAttributeValue("", attributeName) == null
? defaultValue :
reader.getAttributeValue("", attributeName).trim();
}
}