org.jboss.as.ejb3.clustering.EJBBoundClusteringMetaDataParser Maven / Gradle / Ivy
/*
* 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.ejb3.clustering;
import org.jboss.as.ejb3.logging.EjbLogger;
import org.jboss.metadata.ejb.parser.jboss.ejb3.AbstractEJBBoundMetaDataParser;
import org.jboss.metadata.property.PropertyReplacer;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
/**
* Parses the urn:clustering namespace elements for clustering related metadata on EJBs.
*
* @author Jaikiran Pai
* @author Flavia Rainone
*/
public class EJBBoundClusteringMetaDataParser extends AbstractEJBBoundMetaDataParser {
private final ClusteringSchema schema;
public EJBBoundClusteringMetaDataParser(ClusteringSchema schema) {
this.schema = schema;
}
@Override
public EJBBoundClusteringMetaData parse(final XMLStreamReader reader, final PropertyReplacer propertyReplacer) throws XMLStreamException {
// we only parse (root) element
if (!reader.getLocalName().equals("clustering")) {
throw unexpectedElement(reader);
}
if (this.schema != ClusteringSchema.CURRENT) {
EjbLogger.ROOT_LOGGER.deprecatedNamespace(reader.getNamespaceURI(), reader.getLocalName());
}
EJBBoundClusteringMetaData metaData = new EJBBoundClusteringMetaData();
this.processElements(metaData, reader, propertyReplacer);
return metaData;
}
@Override
protected void processElement(final EJBBoundClusteringMetaData metaData, final XMLStreamReader reader, final PropertyReplacer propertyReplacer) throws XMLStreamException {
if (this.schema.getNamespaceUri().equals(reader.getNamespaceURI())) {
switch (reader.getLocalName()) {
case "clustered": {
if (this.schema.since(ClusteringSchema.VERSION_1_1)) {
throw unexpectedElement(reader);
}
// Swallow ignored content
reader.getElementText();
break;
}
case "clustered-singleton":
if (this.schema.since(ClusteringSchema.VERSION_1_1)) {
requireNoAttributes(reader);
final String text = getElementText(reader, propertyReplacer);
if (text != null) {
final boolean isClusteredSingleton = Boolean.parseBoolean(text.trim());
metaData.setClusteredSingleton(isClusteredSingleton);
}
break;
}
default: {
throw unexpectedElement(reader);
}
}
} else {
super.processElement(metaData, reader, propertyReplacer);
}
}
}