/*
* 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.gatein.integration.jboss.as7;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.*;
import static org.jboss.as.controller.parsing.ParseUtils.*;
import java.util.EnumSet;
import java.util.List;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import org.jboss.as.controller.parsing.ParseUtils;
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;
/**
* GateIn subsystem parser.
*
* @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
*/
public class GateInSubsystemParser implements XMLStreamConstants, XMLElementReader<List<ModelNode>>,
XMLElementWriter<SubsystemMarshallingContext> {
private static final GateInSubsystemParser INSTANCE = new GateInSubsystemParser();
static GateInSubsystemParser getInstance() {
return INSTANCE;
}
/**
* {@inheritDoc}
*/
@Override
public void writeContent(XMLExtendedStreamWriter writer, SubsystemMarshallingContext context) throws XMLStreamException {
context.startSubsystemElement(GateInExtension.NAMESPACE, false);
ModelNode node = context.getModelNode();
if (node.hasDefined(Constants.PORTLET_WAR_DEPENDENCY)) {
writePortletWarDependencies(writer, node.get(Constants.PORTLET_WAR_DEPENDENCY));
}
writer.writeEndElement();
}
private void writePortletWarDependencies(XMLExtendedStreamWriter writer, ModelNode warDependencies)
throws XMLStreamException {
if (warDependencies.isDefined() && warDependencies.asInt() > 0) {
writer.writeStartElement(Element.PORTLET_WAR_DEPENDENCIES.getLocalName());
for (Property dependency : warDependencies.asPropertyList()) {
writer.writeStartElement(Element.DEPENDENCY.getLocalName());
writer.writeAttribute(Attribute.NAME.getLocalName(), dependency.getName());
ModelNode model = dependency.getValue();
PortletWarDependencyDefinition.IMPORT_SERVICES.marshallAsAttribute(model, false, writer);
writer.writeEndElement();
}
writer.writeEndElement();
}
}
/**
* {@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(SUBSYSTEM, GateInExtension.SUBSYSTEM_NAME);
address.protect();
final ModelNode subsystem = new ModelNode();
subsystem.get(OP).set(ADD);
subsystem.get(OP_ADDR).set(address);
final int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
requireNoAttributes(reader);
}
list.add(subsystem);
boolean hasArchives = false;
boolean hasDependencies = false;
// elements
while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
if (GateInExtension.NAMESPACE.equals(reader.getNamespaceURI())) {
final Element element = Element.forName(reader.getLocalName());
switch (element) {
case PORTLET_WAR_DEPENDENCIES: {
parsePortletWarDependencies(reader, address, list);
hasDependencies = true;
break;
}
default: {
throw unexpectedElement(reader);
}
}
} else {
throw unexpectedElement(reader);
}
}
if (!hasDependencies)
addDefaultPortletWarDependencies(reader, address, list);
}
static void parsePortletWarDependencies(XMLExtendedStreamReader reader, ModelNode parent, List<ModelNode> operations)
throws XMLStreamException {
// no attributes
requireNoAttributes(reader);
boolean gotDependencies = false;
// elements
while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
final Element element = Element.forName(reader.getLocalName());
switch (element) {
case DEPENDENCY: {
parseDependency(reader, parent, operations);
gotDependencies = true;
break;
}
default:
throw unexpectedElement(reader);
}
}
if (!gotDependencies)
addDefaultPortletWarDependencies(reader, parent, operations);
}
private static void addDefaultPortletWarDependencies(XMLExtendedStreamReader reader, ModelNode parent,
List<ModelNode> operations) throws XMLStreamException {
addPortletWarDependencyOperation(parent, new ModelNode(), "org.gatein.wci", operations);
addPortletWarDependencyOperation(parent, new ModelNode(), "org.gatein.pc", operations);
addPortletWarDependencyOperation(parent, new ModelNode(), "javax.portlet.api", operations);
}
static void parseDependency(XMLExtendedStreamReader reader, ModelNode parent, List<ModelNode> operations)
throws XMLStreamException {
final ModelNode model = new ModelNode();
// attributes
final int count = reader.getAttributeCount();
String name = null;
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;
}
case IMPORT_SERVICES: {
PortletWarDependencyDefinition.IMPORT_SERVICES.parseAndSetParameter(value, model, reader);
break;
}
default:
throw unexpectedAttribute(reader, i);
}
}
if (name == null) {
throw ParseUtils.missingRequired(reader, EnumSet.of(Attribute.NAME));
}
addPortletWarDependencyOperation(parent, model, name, operations);
requireNoContent(reader);
}
private static void addPortletWarDependencyOperation(ModelNode parent, ModelNode model, String name,
List<ModelNode> operations) {
ModelNode address = parent.clone();
address.add(Constants.PORTLET_WAR_DEPENDENCY, name);
model.get(OP).set(ADD);
model.get(OP_ADDR).set(address);
operations.add(model);
}
}