/*
* 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.wildfly.extension.undertow.session;
import org.jboss.as.controller.parsing.ParseUtils;
import org.jboss.as.ee.structure.JBossDescriptorPropertyReplacement;
import org.jboss.as.server.logging.ServerLogger;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.jbossallxml.JBossAllXMLParser;
import org.jboss.metadata.parser.jbossweb.ReplicationConfigParser;
import org.jboss.metadata.parser.servlet.SessionConfigMetaDataParser;
import org.jboss.metadata.property.PropertyReplacer;
import org.jboss.staxmapper.XMLExtendedStreamReader;
import org.wildfly.extension.undertow.logging.UndertowLogger;
import javax.xml.namespace.QName;
import javax.xml.stream.Location;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import java.util.HashMap;
import java.util.Map;
/**
* Parse shared session manager config
*
* @author Stuart Douglas
*/
public class SharedSessionConfigParser_1_0 implements JBossAllXMLParser<SharedSessionManagerConfig> {
public static final String NAMESPACE_1_0 = "urn:jboss:shared-session-config:1.0";
public static final QName ROOT_ELEMENT = new QName(NAMESPACE_1_0, "shared-session-config");
public static final SharedSessionConfigParser_1_0 INSTANCE = new SharedSessionConfigParser_1_0();
@Override
public SharedSessionManagerConfig parse(XMLExtendedStreamReader reader, DeploymentUnit deploymentUnit) throws XMLStreamException {
if(deploymentUnit.getParent() != null) {
UndertowLogger.ROOT_LOGGER.sharedSessionConfigNotInRootDeployment(deploymentUnit.getName());
return null;
}
SharedSessionManagerConfig result = new SharedSessionManagerConfig();
PropertyReplacer propertyReplacer = JBossDescriptorPropertyReplacement.propertyReplacer(deploymentUnit);
readElement(reader, result, propertyReplacer);
return result;
}
enum Element {
MAX_ACTIVE_SESSIONS,
REPLICATION_CONFIG,
SESSION_CONFIG,
// 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, "max-active-sessions"), Element.MAX_ACTIVE_SESSIONS);
elementsMap.put(new QName(NAMESPACE_1_0, "replication-config"), Element.REPLICATION_CONFIG);
elementsMap.put(new QName(NAMESPACE_1_0, "session-config"), Element.SESSION_CONFIG);
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 Version {
UNDERTOW_SHARED_1_0,
UNKNOWN
}
enum Attribute {
// default unknown attribute
UNKNOWN;
private static final Map<QName, Attribute> attributes;
static {
Map<QName, Attribute> attributesMap = new HashMap<QName, Attribute>();
attributes = attributesMap;
}
static Attribute of(QName qName) {
final Attribute attribute = attributes.get(qName);
return attribute == null ? UNKNOWN : attribute;
}
}
private SharedSessionConfigParser_1_0() {
}
public void readElement(final XMLExtendedStreamReader reader, final SharedSessionManagerConfig result, PropertyReplacer propertyReplacer) throws XMLStreamException {
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;
}
case XMLStreamConstants.START_ELEMENT: {
final Element element = Element.of(reader.getName());
switch (element) {
case MAX_ACTIVE_SESSIONS:
final String value = getElementText(reader, propertyReplacer);
result.setMaxActiveSessions(Integer.parseInt(value));
break;
case REPLICATION_CONFIG:
result.setReplicationConfig(ReplicationConfigParser.parse(reader, propertyReplacer));
break;
case SESSION_CONFIG:
result.setSessionConfig(SessionConfigMetaDataParser.parse(reader, propertyReplacer));
break;
default:
throw ParseUtils.unexpectedElement(reader);
}
break;
}
default: {
throw ParseUtils.unexpectedElement(reader);
}
}
}
throw endOfDocument(reader.getLocation());
}
private static String getElementText(final XMLStreamReader reader, final PropertyReplacer propertyReplacer) throws XMLStreamException {
return propertyReplacer.replaceProperties(reader.getElementText());
}
private static XMLStreamException endOfDocument(final Location location) {
return ServerLogger.ROOT_LOGGER.unexpectedEndOfDocument(location);
}
}