/*
* 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.cmp.subsystem;
import java.util.Collections;
import java.util.EnumSet;
import java.util.List;
import javax.xml.stream.XMLStreamException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.operations.common.Util;
import org.jboss.as.controller.persistence.SubsystemMarshallingContext;
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 static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
import static org.jboss.as.cmp.subsystem.CmpSubsystemModel.HILO_KEY_GENERATOR;
import static org.jboss.as.cmp.subsystem.CmpSubsystemModel.UUID_KEY_GENERATOR;
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.missingRequiredElement;
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;
/**
* @author John Bailey
*/
class CmpSubsystem10Parser implements XMLElementReader<List<ModelNode>>, XMLElementWriter<SubsystemMarshallingContext> {
protected CmpSubsystem10Parser() {
}
public void readElement(final XMLExtendedStreamReader reader, final List<ModelNode> operations) throws XMLStreamException {
final PathAddress address = PathAddress.EMPTY_ADDRESS.append(SUBSYSTEM, CmpExtension.SUBSYSTEM_NAME);
requireNoAttributes(reader);
final ModelNode cmpSubsystem = Util.createAddOperation(address);
operations.add(cmpSubsystem);
while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
final Element element = Element.forName(reader.getLocalName());
switch (element) {
case KEY_GENERATORS: {
this.parseKeyGenerators(reader, operations, address);
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
}
private void parseKeyGenerators(final XMLExtendedStreamReader reader, final List<ModelNode> operations, final PathAddress parentAddress) throws XMLStreamException {
requireNoAttributes(reader);
while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
switch (Element.forName(reader.getLocalName())) {
case UUID: {
operations.add(parseUuid(reader, parentAddress));
break;
}
case HILO: {
operations.add(parseHilo(reader, parentAddress));
break;
}
default: {
throw unexpectedElement(reader);
}
}
}
}
protected ModelNode parseUuid(final XMLExtendedStreamReader reader, final PathAddress parentAddress) throws XMLStreamException {
String name = null;
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 NAME: {
name = value;
break;
}
default:
throw unexpectedAttribute(reader, i);
}
}
if (name == null) {
throw missingRequired(reader, Collections.singleton(Attribute.NAME));
}
final ModelNode op = Util.createAddOperation(parentAddress.append(UUID_KEY_GENERATOR, name));
requireNoContent(reader);
return op;
}
protected ModelNode parseHilo(final XMLExtendedStreamReader reader, final PathAddress parentAddress) throws XMLStreamException {
String name = null;
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 NAME: {
name = value;
break;
}
default:
throw unexpectedAttribute(reader, i);
}
}
if (name == null) {
throw missingRequired(reader, Collections.singleton(Attribute.NAME));
}
final ModelNode op = Util.createAddOperation(parentAddress.append(HILO_KEY_GENERATOR, name));
final EnumSet<Element> required = EnumSet.of(Element.DATA_SOURCE, Element.TABLE_NAME, Element.ID_COLUMN, Element.SEQUENCE_COLUMN, Element.SEQUENCE_NAME);
while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
final String value = reader.getElementText();
final String tag = reader.getLocalName();
final Element element = Element.forName(tag);
required.remove(element);
SimpleAttributeDefinition attribute = HiLoKeyGeneratorResourceDefinition.ATTRIBUTE_MAP.get(tag);
if(attribute == null) {
throw unexpectedElement(reader);
}
attribute.parseAndSetParameter(value, op, reader);
}
if(!required.isEmpty()) {
throw missingRequiredElement(reader, required);
}
return op;
}
public void writeContent(final XMLExtendedStreamWriter writer, final SubsystemMarshallingContext context) throws XMLStreamException {
context.startSubsystemElement(Namespace.CURRENT.getUriString(), false);
final ModelNode model = context.getModelNode();
if (model.hasDefined(UUID_KEY_GENERATOR) || model.hasDefined(HILO_KEY_GENERATOR)) {
writer.writeStartElement(Element.KEY_GENERATORS.getLocalName());
if (model.hasDefined(UUID_KEY_GENERATOR)) {
for (Property keyGen : model.get(UUID_KEY_GENERATOR).asPropertyList()) {
final String name = keyGen.getName();
final ModelNode keyGenModel = keyGen.getValue();
writeUuid(writer, name, keyGenModel);
}
}
if (model.hasDefined(HILO_KEY_GENERATOR)) {
for (Property keyGen : model.get(HILO_KEY_GENERATOR).asPropertyList()) {
final String name = keyGen.getName();
final ModelNode keyGenModel = keyGen.getValue();
writeHilo(writer, name, keyGenModel);
}
}
writer.writeEndElement();
}
writer.writeEndElement();
}
private void writeHilo(final XMLExtendedStreamWriter writer, final String name, final ModelNode model) throws XMLStreamException {
writer.writeStartElement(Element.HILO.getLocalName());
writer.writeAttribute(Attribute.NAME.getLocalName(), name);
HiLoKeyGeneratorResourceDefinition.JNDI_NAME.marshallAsAttribute(model, writer);
for(SimpleAttributeDefinition attribute : HiLoKeyGeneratorResourceDefinition.ATTRIBUTES) {
if (!attribute.equals(HiLoKeyGeneratorResourceDefinition.JNDI_NAME))
attribute.marshallAsElement(model, writer);
}
writer.writeEndElement();
}
private void writeUuid(final XMLExtendedStreamWriter writer, final String name, final ModelNode model) throws XMLStreamException {
writer.writeStartElement(Element.UUID.getLocalName());
writer.writeAttribute(Attribute.NAME.getLocalName(), name);
UUIDKeyGeneratorResourceDefinition.JNDI_NAME.marshallAsAttribute(model, writer);
writer.writeEndElement();
}
}