/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, 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.metadata.parser.jsp;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.jboss.as.metadata.parser.ee.DescriptionGroupMetaDataParser;
import org.jboss.as.metadata.parser.util.MetaDataElementParser;
import org.jboss.metadata.javaee.spec.DescriptionGroupMetaData;
import org.jboss.metadata.web.spec.ListenerMetaData;
/**
* @author Remy Maucherat
*/
public class ListenerMetaDataParser extends MetaDataElementParser {
public static ListenerMetaData parse(XMLStreamReader reader) throws XMLStreamException {
ListenerMetaData listener = new ListenerMetaData();
// Handle attributes
final int count = reader.getAttributeCount();
for (int i = 0; i < count; i ++) {
final String value = reader.getAttributeValue(i);
if (reader.getAttributeNamespace(i) != null) {
continue;
}
final Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
switch (attribute) {
case ID: {
listener.setId(value);
break;
}
default: throw unexpectedAttribute(reader, i);
}
}
DescriptionGroupMetaData descriptionGroup = new DescriptionGroupMetaData();
// Handle elements
while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
if (DescriptionGroupMetaDataParser.parse(reader, descriptionGroup)) {
if (listener.getDescriptionGroup() == null) {
listener.setDescriptionGroup(descriptionGroup);
}
continue;
}
final Element element = Element.forName(reader.getLocalName());
switch (element) {
case LISTENER_CLASS:
listener.setListenerClass(reader.getElementText());
break;
default: throw unexpectedElement(reader);
}
}
return listener;
}
}