/*
* 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.naming.subsystem;
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.requireAttributes;
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.naming.subsystem.NamingExtension.SUBSYSTEM_PATH;
import static org.jboss.as.naming.subsystem.NamingSubsystemModel.BINDING;
import static org.jboss.as.naming.subsystem.NamingSubsystemModel.BINDING_TYPE;
import static org.jboss.as.naming.subsystem.NamingSubsystemModel.EXTERNAL_CONTEXT;
import static org.jboss.as.naming.subsystem.NamingSubsystemModel.LOOKUP;
import static org.jboss.as.naming.subsystem.NamingSubsystemModel.OBJECT_FACTORY;
import static org.jboss.as.naming.subsystem.NamingSubsystemModel.SIMPLE;
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.operations.common.Util;
import org.jboss.dmr.ModelNode;
import org.jboss.staxmapper.XMLElementReader;
import org.jboss.staxmapper.XMLExtendedStreamReader;
/**
* @author Eduardo Martins
*/
public class NamingSubsystem14Parser implements XMLElementReader<List<ModelNode>> {
private final NamingSubsystemNamespace validNamespace;
NamingSubsystem14Parser() {
this.validNamespace = NamingSubsystemNamespace.NAMING_1_4;
}
NamingSubsystem14Parser(NamingSubsystemNamespace validNamespace) {
this.validNamespace = validNamespace;
}
/**
* {@inheritDoc}
*/
@Override
public void readElement(final XMLExtendedStreamReader reader, final List<ModelNode> operations) throws XMLStreamException {
PathAddress address = PathAddress.pathAddress(SUBSYSTEM_PATH);
final ModelNode ejb3SubsystemAddOperation = Util.createAddOperation(address);
operations.add(ejb3SubsystemAddOperation);
// elements
final EnumSet<NamingSubsystemXMLElement> encountered = EnumSet.noneOf(NamingSubsystemXMLElement.class);
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
if (validNamespace == NamingSubsystemNamespace.forUri(reader.getNamespaceURI())) {
final NamingSubsystemXMLElement element = NamingSubsystemXMLElement.forName(reader.getLocalName());
if (!encountered.add(element)) {
throw unexpectedElement(reader);
}
switch (element) {
case BINDINGS: {
parseBindings(reader, operations, address);
break;
}
case REMOTE_NAMING: {
parseRemoteNaming(reader, operations, address);
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
else {
throw unexpectedElement(reader);
}
}
}
private void parseRemoteNaming(final XMLExtendedStreamReader reader, final List<ModelNode> operations, PathAddress parent) throws XMLStreamException {
requireNoAttributes(reader);
requireNoContent(reader);
operations.add(Util.createAddOperation(parent.append(NamingSubsystemModel.SERVICE, NamingSubsystemModel.REMOTE_NAMING)));
}
private void parseBindings(final XMLExtendedStreamReader reader, final List<ModelNode> operations, PathAddress address) throws XMLStreamException {
// no attributes expected
requireNoAttributes(reader);
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
switch (NamingSubsystemXMLElement.forName(reader.getLocalName())) {
case SIMPLE: {
this.parseSimpleBinding(reader, operations, address);
break;
}
case OBJECT_FACTORY: {
this.parseObjectFactoryBinding(reader, operations, address);
break;
}
case LOOKUP: {
this.parseLookupBinding(reader, operations, address);
break;
}
case EXTERNAL_CONTEXT: {
this.parseExternalContext(reader, operations, address);
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
}
private void parseSimpleBinding(final XMLExtendedStreamReader reader, List<ModelNode> operations, PathAddress parentAddress) throws XMLStreamException {
String name = null;
final ModelNode bindingAdd = Util.createAddOperation();
bindingAdd.get(BINDING_TYPE).set(SIMPLE);
final EnumSet<NamingSubsystemXMLAttribute> required = EnumSet.of(NamingSubsystemXMLAttribute.NAME, NamingSubsystemXMLAttribute.VALUE);
for (int i = 0; i < reader.getAttributeCount(); i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final NamingSubsystemXMLAttribute attribute = NamingSubsystemXMLAttribute.forName(reader.getAttributeLocalName(i));
required.remove(attribute);
switch (attribute) {
case NAME:
name = value.trim();
break;
case VALUE:
NamingBindingResourceDefinition.VALUE.parseAndSetParameter(value, bindingAdd, reader);
break;
case TYPE:
NamingBindingResourceDefinition.TYPE.parseAndSetParameter(value, bindingAdd, reader);
break;
default:
throw unexpectedAttribute(reader, i);
}
}
if (!required.isEmpty()) {
throw missingRequired(reader, required);
}
requireNoContent(reader);
final PathAddress address = parentAddress.append(BINDING, name);
bindingAdd.get(OP_ADDR).set(address.toModelNode());
operations.add(bindingAdd);
}
private void parseObjectFactoryBinding(final XMLExtendedStreamReader reader, List<ModelNode> operations, PathAddress parentAddress) throws XMLStreamException {
final int attCount = reader.getAttributeCount();
String name = null;
final ModelNode bindingAdd = Util.createAddOperation();
bindingAdd.get(BINDING_TYPE).set(OBJECT_FACTORY);
final EnumSet<NamingSubsystemXMLAttribute> required = EnumSet.of(NamingSubsystemXMLAttribute.NAME, NamingSubsystemXMLAttribute.MODULE, NamingSubsystemXMLAttribute.CLASS);
for (int i = 0; i < attCount; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final NamingSubsystemXMLAttribute attribute = NamingSubsystemXMLAttribute.forName(reader.getAttributeLocalName(i));
required.remove(attribute);
switch (attribute) {
case NAME:
name = value.trim();
break;
case MODULE:
NamingBindingResourceDefinition.MODULE.parseAndSetParameter(value, bindingAdd, reader);
break;
case CLASS:
NamingBindingResourceDefinition.CLASS.parseAndSetParameter(value, bindingAdd, reader);
break;
default:
throw unexpectedAttribute(reader, i);
}
}
if (!required.isEmpty()) {
throw missingRequired(reader, required);
}
bindingAdd.get(OP_ADDR).set(parentAddress.append(BINDING, name).toModelNode());
// if present, parse the optional environment
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
switch (NamingSubsystemXMLElement.forName(reader.getLocalName())) {
case ENVIRONMENT: {
parseObjectFactoryBindingEnvironment(reader, bindingAdd);
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
operations.add(bindingAdd);
}
private void parseExternalContext(final XMLExtendedStreamReader reader, List<ModelNode> operations, PathAddress parentAddress) throws XMLStreamException {
final int attCount = reader.getAttributeCount();
String name = null;
final ModelNode bindingAdd = Util.createAddOperation();
bindingAdd.get(BINDING_TYPE).set(EXTERNAL_CONTEXT);
final EnumSet<NamingSubsystemXMLAttribute> required = EnumSet.of(NamingSubsystemXMLAttribute.NAME, NamingSubsystemXMLAttribute.CLASS, NamingSubsystemXMLAttribute.MODULE);
for (int i = 0; i < attCount; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final NamingSubsystemXMLAttribute attribute = NamingSubsystemXMLAttribute.forName(reader.getAttributeLocalName(i));
required.remove(attribute);
switch (attribute) {
case NAME:
name = value.trim();
break;
case MODULE:
NamingBindingResourceDefinition.MODULE.parseAndSetParameter(value, bindingAdd, reader);
break;
case CLASS:
NamingBindingResourceDefinition.CLASS.parseAndSetParameter(value, bindingAdd, reader);
break;
case CACHE:
NamingBindingResourceDefinition.CACHE.parseAndSetParameter(value, bindingAdd, reader);
break;
default:
throw unexpectedAttribute(reader, i);
}
}
if (!required.isEmpty()) {
throw missingRequired(reader, required);
}
bindingAdd.get(OP_ADDR).set(parentAddress.append(BINDING, name).toModelNode());
// if present, parse the optional environment
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
switch (NamingSubsystemXMLElement.forName(reader.getLocalName())) {
case ENVIRONMENT: {
parseObjectFactoryBindingEnvironment(reader, bindingAdd);
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
operations.add(bindingAdd);
}
/**
* <p>
* Parses the optional {@code ObjectFactory environment}.
* </p>
*
* @param reader the {@code XMLExtendedStreamReader} used to read the configuration XML.
* @param bindingAdd where to add
* @throws javax.xml.stream.XMLStreamException
* if an error occurs while parsing the XML.
*/
private void parseObjectFactoryBindingEnvironment(XMLExtendedStreamReader reader, ModelNode bindingAdd) throws XMLStreamException {
// no attributes expected
requireNoAttributes(reader);
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
switch (NamingSubsystemXMLElement.forName(reader.getLocalName())) {
case ENVIRONMENT_PROPERTY: {
final String[] array = requireAttributes(reader, org.jboss.as.controller.parsing.Attribute.NAME.getLocalName(), org.jboss.as.controller.parsing.Attribute.VALUE.getLocalName());
NamingBindingResourceDefinition.ENVIRONMENT.parseAndAddParameterElement(array[0], array[1], bindingAdd, reader);
requireNoContent(reader);
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
}
private void parseLookupBinding(final XMLExtendedStreamReader reader, List<ModelNode> operations, PathAddress parentAddress) throws XMLStreamException {
final int attCount = reader.getAttributeCount();
String name = null;
final ModelNode bindingAdd = Util.createAddOperation();
bindingAdd.get(BINDING_TYPE).set(LOOKUP);
final EnumSet<NamingSubsystemXMLAttribute> required = EnumSet.of(NamingSubsystemXMLAttribute.NAME, NamingSubsystemXMLAttribute.LOOKUP);
for (int i = 0; i < attCount; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final NamingSubsystemXMLAttribute attribute = NamingSubsystemXMLAttribute.forName(reader.getAttributeLocalName(i));
required.remove(attribute);
switch (attribute) {
case NAME:
name = value.trim();
break;
case LOOKUP:
NamingBindingResourceDefinition.LOOKUP.parseAndSetParameter(value, bindingAdd, reader);
break;
default:
throw unexpectedAttribute(reader, i);
}
}
if (!required.isEmpty()) {
throw missingRequired(reader, required);
}
requireNoContent(reader);
bindingAdd.get(OP_ADDR).set(parentAddress.append(BINDING, name).toModelNode());
operations.add(bindingAdd);
}
}