/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, 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.ejb3.subsystem;
import java.util.Collections;
import java.util.EnumSet;
import java.util.List;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
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.descriptions.ModelDescriptionConstants.SUBSYSTEM;
import static org.jboss.as.controller.parsing.ParseUtils.missingRequired;
import static org.jboss.as.controller.parsing.ParseUtils.readStringAttributeElement;
import static org.jboss.as.controller.parsing.ParseUtils.requireNoAttributes;
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;
import static org.jboss.as.ejb3.subsystem.EJB3SubsystemModel.DEFAULT_DATA_STORE;
import static org.jboss.as.ejb3.subsystem.EJB3SubsystemModel.FILE_DATA_STORE;
import static org.jboss.as.ejb3.subsystem.EJB3SubsystemModel.INSTANCE_ACQUISITION_TIMEOUT;
import static org.jboss.as.ejb3.subsystem.EJB3SubsystemModel.INSTANCE_ACQUISITION_TIMEOUT_UNIT;
import static org.jboss.as.ejb3.subsystem.EJB3SubsystemModel.MAX_POOL_SIZE;
import static org.jboss.as.ejb3.subsystem.EJB3SubsystemModel.PATH;
import static org.jboss.as.ejb3.subsystem.EJB3SubsystemModel.RELATIVE_TO;
import static org.jboss.as.ejb3.subsystem.EJB3SubsystemModel.SERVICE;
import static org.jboss.as.ejb3.subsystem.EJB3SubsystemModel.STRICT_MAX_BEAN_INSTANCE_POOL;
import static org.jboss.as.ejb3.subsystem.EJB3SubsystemModel.TIMER_SERVICE;
/**
* User: Jaikiran Pai
*/
public class EJB3Subsystem11Parser implements XMLElementReader<List<ModelNode>> {
EJB3Subsystem11Parser() {
}
/**
* {@inheritDoc}
*/
@Override
public void readElement(final XMLExtendedStreamReader reader, final List<ModelNode> operations) throws XMLStreamException {
final ModelNode ejb3SubsystemAddOperation = new ModelNode();
ejb3SubsystemAddOperation.get(OP).set(ADD);
ejb3SubsystemAddOperation.get(OP_ADDR).add(SUBSYSTEM, EJB3Extension.SUBSYSTEM_NAME);
operations.add(ejb3SubsystemAddOperation);
// elements
final EnumSet<EJB3SubsystemXMLElement> encountered = EnumSet.noneOf(EJB3SubsystemXMLElement.class);
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
switch (EJB3SubsystemNamespace.forUri(reader.getNamespaceURI())) {
case EJB3_1_1: {
final EJB3SubsystemXMLElement element = EJB3SubsystemXMLElement.forName(reader.getLocalName());
if (!encountered.add(element)) {
throw unexpectedElement(reader);
}
switch (element) {
case MDB: {
// read <mdb>
this.parseMDB(reader, operations, ejb3SubsystemAddOperation);
break;
}
case POOLS: {
// read <pools>
this.parsePools(reader, operations);
break;
}
case SESSION_BEAN: {
// read <session-bean>
this.parseSessionBean(reader, operations, ejb3SubsystemAddOperation);
break;
}
case TIMER_SERVICE: {
parseTimerService(reader, operations);
break;
}
default: {
throw unexpectedElement(reader);
}
}
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
}
private ModelNode parseMDB(final XMLExtendedStreamReader reader, List<ModelNode> operations, ModelNode ejb3SubsystemAddOperation) throws XMLStreamException {
ModelNode mdbModelNode = new ModelNode();
// no attributes expected
requireNoAttributes(reader);
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
switch (EJB3SubsystemXMLElement.forName(reader.getLocalName())) {
case BEAN_INSTANCE_POOL_REF: {
final String poolName = readStringAttributeElement(reader, EJB3SubsystemXMLAttribute.POOL_NAME.getLocalName());
EJB3SubsystemRootResourceDefinition.DEFAULT_MDB_INSTANCE_POOL.parseAndSetParameter(poolName, ejb3SubsystemAddOperation, reader);
break;
}
case RESOURCE_ADAPTER_REF: {
final String resourceAdapterName = readStringAttributeElement(reader, EJB3SubsystemXMLAttribute.RESOURCE_ADAPTER_NAME.getLocalName());
EJB3SubsystemRootResourceDefinition.DEFAULT_RESOURCE_ADAPTER_NAME.parseAndSetParameter(resourceAdapterName, ejb3SubsystemAddOperation, reader);
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
// if the resource-adapter-ref *hasn't* been explicitly specified, then default it to hornetq-ra
if (!ejb3SubsystemAddOperation.hasDefined(EJB3SubsystemModel.DEFAULT_RESOURCE_ADAPTER_NAME)) {
final ModelNode defaultRAName = EJB3SubsystemRootResourceDefinition.DEFAULT_RESOURCE_ADAPTER_NAME.getDefaultValue();
if (defaultRAName != null) {
ejb3SubsystemAddOperation.get(EJB3SubsystemModel.DEFAULT_RESOURCE_ADAPTER_NAME).set(defaultRAName);
}
}
return mdbModelNode;
}
private void parseSessionBean(final XMLExtendedStreamReader reader, final List<ModelNode> operations, ModelNode ejb3SubsystemAddOperation) throws XMLStreamException {
// no attributes expected
requireNoAttributes(reader);
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
switch (EJB3SubsystemXMLElement.forName(reader.getLocalName())) {
case STATELESS: {
this.parseStatelessBean(reader, operations, ejb3SubsystemAddOperation);
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
}
private void parseStatelessBean(final XMLExtendedStreamReader reader, final List<ModelNode> operations, ModelNode ejb3SubsystemAddOperation) throws XMLStreamException {
// no attributes expected
requireNoAttributes(reader);
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
switch (EJB3SubsystemXMLElement.forName(reader.getLocalName())) {
case BEAN_INSTANCE_POOL_REF: {
final String poolName = readStringAttributeElement(reader, EJB3SubsystemXMLAttribute.POOL_NAME.getLocalName());
EJB3SubsystemRootResourceDefinition.DEFAULT_SLSB_INSTANCE_POOL.parseAndSetParameter(poolName, ejb3SubsystemAddOperation, reader);
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
}
private void parsePools(final XMLExtendedStreamReader reader, final List<ModelNode> operations) throws XMLStreamException {
// no attributes expected
requireNoAttributes(reader);
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
switch (EJB3SubsystemXMLElement.forName(reader.getLocalName())) {
case BEAN_INSTANCE_POOLS: {
this.parseBeanInstancePools(reader, operations);
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
}
private void parseBeanInstancePools(final XMLExtendedStreamReader reader, List<ModelNode> operations) throws XMLStreamException {
// no attributes expected
requireNoAttributes(reader);
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
switch (EJB3SubsystemXMLElement.forName(reader.getLocalName())) {
case STRICT_MAX_POOL: {
this.parseStrictMaxPool(reader, operations);
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
}
protected void parseStrictMaxPool(final XMLExtendedStreamReader reader, List<ModelNode> operations) throws XMLStreamException {
final int count = reader.getAttributeCount();
String poolName = null;
Integer maxPoolSize = null;
Long timeout = null;
String unit = null;
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final EJB3SubsystemXMLAttribute attribute = EJB3SubsystemXMLAttribute.forName(reader.getAttributeLocalName(i));
switch (attribute) {
case NAME:
poolName = value;
break;
case MAX_POOL_SIZE:
maxPoolSize = StrictMaxPoolResourceDefinition.MAX_POOL_SIZE.parse(value, reader).asInt();
break;
case INSTANCE_ACQUISITION_TIMEOUT:
timeout = StrictMaxPoolResourceDefinition.INSTANCE_ACQUISITION_TIMEOUT.parse(value, reader).asLong();
break;
case INSTANCE_ACQUISITION_TIMEOUT_UNIT:
unit = StrictMaxPoolResourceDefinition.INSTANCE_ACQUISITION_TIMEOUT_UNIT.parse(value, reader).asString();
break;
default:
throw unexpectedAttribute(reader, i);
}
}
requireNoContent(reader);
if (poolName == null) {
throw missingRequired(reader, Collections.singleton(EJB3SubsystemXMLAttribute.NAME.getLocalName()));
}
// create and add the operation
operations.add(this.createAddStrictMaxBeanInstancePoolOperation(poolName, maxPoolSize, timeout, unit));
}
private void parseTimerService(final XMLExtendedStreamReader reader, List<ModelNode> operations) throws XMLStreamException {
requireNoAttributes(reader);
final ModelNode address = new ModelNode();
address.add(SUBSYSTEM, EJB3Extension.SUBSYSTEM_NAME);
address.add(SERVICE, TIMER_SERVICE);
final ModelNode timerServiceAdd = new ModelNode();
timerServiceAdd.get(OP).set(ADD);
timerServiceAdd.get(OP_ADDR).set(address);
String dataStorePath = null;
String dataStorePathRelativeTo = null;
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
switch (EJB3SubsystemXMLElement.forName(reader.getLocalName())) {
case THREAD_POOL: {
final int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final EJB3SubsystemXMLAttribute attribute = EJB3SubsystemXMLAttribute.forName(reader.getAttributeLocalName(i));
switch (attribute) {
case CORE_THREADS:
//ignore, no longer supported
break;
case MAX_THREADS:
//ignore, no longer supported
break;
default:
throw unexpectedAttribute(reader, i);
}
}
requireNoContent(reader);
break;
}
case DATA_STORE: {
final int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final EJB3SubsystemXMLAttribute attribute = EJB3SubsystemXMLAttribute.forName(reader.getAttributeLocalName(i));
switch (attribute) {
case PATH:
if (dataStorePath != null) {
throw unexpectedAttribute(reader, i);
}
dataStorePath = FileDataStoreResourceDefinition.PATH.parse(value, reader).asString();
break;
case RELATIVE_TO:
if (dataStorePathRelativeTo != null) {
throw unexpectedAttribute(reader, i);
}
dataStorePathRelativeTo = FileDataStoreResourceDefinition.RELATIVE_TO.parse(value, reader).asString();
break;
default:
throw unexpectedAttribute(reader, i);
}
}
if (dataStorePath == null) {
throw missingRequired(reader, Collections.singleton(EJB3SubsystemXMLAttribute.PATH));
}
timerServiceAdd.get(DEFAULT_DATA_STORE).set("default-file-store");
final ModelNode fileDataStoreAdd = new ModelNode();
final ModelNode fileDataAddress = address.clone();
fileDataAddress.add(FILE_DATA_STORE, "default-file-store");
fileDataStoreAdd.get(OP).set(ADD);
fileDataStoreAdd.get(OP_ADDR).set(fileDataAddress);
fileDataStoreAdd.get(PATH).set(dataStorePath);
if (dataStorePathRelativeTo != null) {
fileDataStoreAdd.get(RELATIVE_TO).set(dataStorePathRelativeTo);
}
requireNoContent(reader);
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
operations.add(timerServiceAdd);
}
private ModelNode createAddStrictMaxBeanInstancePoolOperation(final String name, final Integer maxPoolSize, final Long timeout, final String timeoutUnit) {
// create /subsystem=ejb3/strict-max-bean-instance-pool=name:add(...)
final ModelNode addStrictMaxPoolOperation = new ModelNode();
addStrictMaxPoolOperation.get(OP).set(ADD);
// set the address for this operation
final PathAddress address = this.getEJB3SubsystemAddress().append(PathElement.pathElement(STRICT_MAX_BEAN_INSTANCE_POOL, name));
addStrictMaxPoolOperation.get(OP_ADDR).set(address.toModelNode());
// set the params for the operation
if (maxPoolSize != null) {
addStrictMaxPoolOperation.get(MAX_POOL_SIZE).set(maxPoolSize);
}
if (timeout != null) {
addStrictMaxPoolOperation.get(INSTANCE_ACQUISITION_TIMEOUT).set(timeout);
}
if (timeoutUnit != null) {
addStrictMaxPoolOperation.get(INSTANCE_ACQUISITION_TIMEOUT_UNIT).set(timeoutUnit);
}
return addStrictMaxPoolOperation;
}
private PathAddress getEJB3SubsystemAddress() {
return EJB3Subsystem12Parser.SUBSYSTEM_PATH;
}
}