/*
* 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.osgi.parser;
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.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 java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import org.jboss.dmr.ModelNode;
import org.jboss.staxmapper.XMLElementReader;
import org.jboss.staxmapper.XMLExtendedStreamReader;
/**
* Parse subsystem configuration for namespace {@link Namespace#VERSION_1_2}.
*
* @author Thomas.Diesler@jboss.com
*/
class OSGiNamespace12Parser implements Namespace12, XMLStreamConstants, XMLElementReader<List<ModelNode>> {
static XMLElementReader<List<ModelNode>> INSTANCE = new OSGiNamespace12Parser();
// hide ctor
private OSGiNamespace12Parser() {
}
@Override
public void readElement(XMLExtendedStreamReader reader, List<ModelNode> operations) throws XMLStreamException {
ModelNode address = new ModelNode();
address.add(SUBSYSTEM, OSGiExtension.SUBSYSTEM_NAME);
address.protect();
ModelNode activation = parseActivationAttribute(reader, address);
operations.add(activation);
while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
switch (Namespace.forUri(reader.getNamespaceURI())) {
case VERSION_1_2: {
final Element element = Element.forName(reader.getLocalName());
switch (element) {
case PROPERTIES: {
List<ModelNode> result = parseFrameworkProperties(reader, address, operations);
operations.addAll(result);
break;
}
case CAPABILITIES: {
List<ModelNode> result = parseCapabilities(reader, address);
operations.addAll(result);
break;
}
default:
throw unexpectedElement(reader);
}
}
}
}
}
private ModelNode parseActivationAttribute(XMLExtendedStreamReader reader, ModelNode address) throws XMLStreamException {
final ModelNode result = new ModelNode();
result.get(OP).set(ADD);
result.get(OP_ADDR).set(address);
switch (Namespace.forUri(reader.getNamespaceURI())) {
case VERSION_1_2: {
// Handle attributes
int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final String attrValue = reader.getAttributeValue(i);
final Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
switch (attribute) {
case ACTIVATION: {
OSGiRootResource.ACTIVATION.parseAndSetParameter(attrValue, result, reader);
break;
}
default:
throw unexpectedAttribute(reader, i);
}
}
break;
}
default:
throw unexpectedElement(reader);
}
return result;
}
private List<ModelNode> parseFrameworkProperties(XMLExtendedStreamReader reader, ModelNode address, List<ModelNode> operations) throws XMLStreamException {
requireNoAttributes(reader);
List<ModelNode> result = new ArrayList<ModelNode>();
// Handle elements
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
switch (Namespace.forUri(reader.getNamespaceURI())) {
case VERSION_1_2: {
final Element element = Element.forName(reader.getLocalName());
if (element == Element.PROPERTY) {
String name = null;
String value = null;
int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final String attrValue = reader.getAttributeValue(i);
final Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
switch (attribute) {
case NAME: {
name = attrValue;
break;
}
default:
throw unexpectedAttribute(reader, i);
}
}
if (name == null) {
throw missingRequired(reader, Collections.singleton(Attribute.NAME));
}
value = reader.getElementText().trim();
ModelNode propNode = new ModelNode();
propNode.get(OP).set(ADD);
propNode.get(OP_ADDR).set(address).add(ModelConstants.PROPERTY, name);
FrameworkPropertyResource.VALUE.parseAndSetParameter(value, propNode, reader);
result.add(propNode);
break;
} else {
throw unexpectedElement(reader);
}
}
default:
throw unexpectedElement(reader);
}
}
return result;
}
private List<ModelNode> parseCapabilities(XMLExtendedStreamReader reader, ModelNode address) throws XMLStreamException {
List<ModelNode> nodes = new ArrayList<ModelNode>();
requireNoAttributes(reader);
// Handle elements
while (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
switch (Namespace.forUri(reader.getNamespaceURI())) {
case VERSION_1_2: {
final Element element = Element.forName(reader.getLocalName());
if (element == Element.CAPABILITY) {
final int count = reader.getAttributeCount();
ModelNode moduleNode = new ModelNode();
moduleNode.get(OP).set(ADD);
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
switch (attribute) {
case NAME: {
moduleNode.get(OP_ADDR).set(address).add(ModelConstants.CAPABILITY, reader.getAttributeValue(i));
break;
}
case STARTLEVEL: {
FrameworkCapabilityResource.STARTLEVEL.parseAndSetParameter(reader.getAttributeValue(i), moduleNode, reader);
break;
}
default:
throw unexpectedAttribute(reader, i);
}
}
if (!moduleNode.hasDefined(OP_ADDR)) {
throw missingRequired(reader, Collections.singleton(Attribute.NAME));
}
nodes.add(moduleNode);
requireNoContent(reader);
break;
} else {
throw unexpectedElement(reader);
}
}
default:
throw unexpectedElement(reader);
}
}
return nodes;
}
}