/*
* 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.server.deployment.dependencies;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import org.jboss.as.controller.parsing.ParseUtils;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.jbossallxml.JBossAllXMLParser;
import org.jboss.staxmapper.XMLExtendedStreamReader;
import static org.jboss.as.controller.parsing.ParseUtils.missingRequired;
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 Stuart Douglas
*/
class DeploymentDependenciesParserV_1_0 implements JBossAllXMLParser<DeploymentDependencies> {
public static final DeploymentDependenciesParserV_1_0 INSTANCE = new DeploymentDependenciesParserV_1_0();
public static final String NAMESPACE_1_0 = "urn:jboss:deployment-dependencies:1.0";
enum Element {
JBOSS_DEPLOYMENT_DEPENDENCIES,
DEPENDENCY,
// default unknown element
UNKNOWN;
private static final Map<QName, Element> elements;
static {
Map<QName, Element> elementsMap = new HashMap<QName, Element>();
elementsMap.put(new QName(NAMESPACE_1_0, "jboss-deployment-dependencies"), Element.JBOSS_DEPLOYMENT_DEPENDENCIES);
elementsMap.put(new QName(NAMESPACE_1_0, "dependency"), Element.DEPENDENCY);
elements = elementsMap;
}
static Element of(QName qName) {
QName name;
if (qName.getNamespaceURI().equals("")) {
name = new QName(NAMESPACE_1_0, qName.getLocalPart());
} else {
name = qName;
}
final Element element = elements.get(name);
return element == null ? UNKNOWN : element;
}
}
enum Attribute {
UNKNOWN(null),
NAME("name"),;
private final String name;
Attribute(final String name) {
this.name = name;
}
/**
* Get the local name of this attribute.
*
* @return the local name
*/
public String getLocalName() {
return name;
}
private static final Map<String, Attribute> MAP;
static {
final Map<String, Attribute> map = new HashMap<String, Attribute>();
for (Attribute element : values()) {
final String name = element.getLocalName();
if (name != null)
map.put(name, element);
}
MAP = map;
}
public static Attribute forName(String localName) {
final Attribute element = MAP.get(localName);
return element == null ? UNKNOWN : element;
}
@Override
public String toString() {
return getLocalName();
}
}
@Override
public DeploymentDependencies parse(final XMLExtendedStreamReader reader, final DeploymentUnit deploymentUnit) throws XMLStreamException {
final DeploymentDependencies dependencies = new DeploymentDependencies();
final int count = reader.getAttributeCount();
if (count != 0) {
throw ParseUtils.unexpectedAttribute(reader, 0);
}
// xsd:sequence
while (reader.hasNext()) {
switch (reader.nextTag()) {
case XMLStreamConstants.END_ELEMENT: {
return dependencies;
}
case XMLStreamConstants.START_ELEMENT: {
final Element element = Element.of(reader.getName());
switch (element) {
case DEPENDENCY:
parseDependency(reader, dependencies);
break;
default:
throw ParseUtils.unexpectedElement(reader);
}
break;
}
}
}
throw ParseUtils.unexpectedEndElement(reader);
}
private void parseDependency(final XMLExtendedStreamReader reader, final DeploymentDependencies dependencies) throws XMLStreamException {
final int count = reader.getAttributeCount();
String name = null;
final EnumSet<Attribute> required = EnumSet.of(Attribute.NAME);
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
required.remove(attribute);
switch (attribute) {
case NAME:
name = value;
break;
default:
throw unexpectedAttribute(reader, i);
}
}
if (!required.isEmpty()) {
throw missingRequired(reader, required);
}
dependencies.getDependencies().add(name);
if (reader.hasNext() && reader.nextTag() != XMLStreamConstants.END_ELEMENT) {
throw unexpectedElement(reader);
}
}
}