Package org.jboss.as.metadata.parser.ee

Source Code of org.jboss.as.metadata.parser.ee.PersistenceContextReferenceMetaDataParser

/*
* 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.ee;

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;

import org.jboss.as.metadata.parser.util.MetaDataElementParser;
import org.jboss.metadata.javaee.spec.DescriptionsImpl;
import org.jboss.metadata.javaee.spec.PersistenceContextReferenceMetaData;
import org.jboss.metadata.javaee.spec.PropertiesMetaData;

/**
* @author Remy Maucherat
*/
public class PersistenceContextReferenceMetaDataParser extends MetaDataElementParser {

    public static PersistenceContextReferenceMetaData parse(XMLStreamReader reader) throws XMLStreamException {
        PersistenceContextReferenceMetaData pcReference = new PersistenceContextReferenceMetaData();

        // 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: {
                    pcReference.setId(value);
                    break;
                }
                default: throw unexpectedAttribute(reader, i);
            }
        }

        DescriptionsImpl descriptions = new DescriptionsImpl();
        // Handle elements
        while (reader.hasNext() && reader.nextTag() != END_ELEMENT) {
            if (DescriptionsMetaDataParser.parse(reader, descriptions)) {
                if (pcReference.getDescriptions() == null) {
                    pcReference.setDescriptions(descriptions);
                }
                continue;
            }
            if (ResourceInjectionMetaDataParser.parse(reader, pcReference)) {
                continue;
            }
            final Element element = Element.forName(reader.getLocalName());
            switch (element) {
                case PERSISTENCE_CONTEXT_REF_NAME:
                    pcReference.setPersistenceContextRefName(reader.getElementText());
                    break;
                case PERSISTENCE_CONTEXT_TYPE:
                    // FIXME pcReference.setPersistenceContextType(PersistenceContextType.valueOf(reader.getElementText()));
                    break;
                case PERSISTENCE_UNIT_NAME:
                    pcReference.setPersistenceUnitName(reader.getElementText());
                    break;
                case PERSISTENCE_PROPERTY:
                    PropertiesMetaData properties = pcReference.getProperties();
                    if (properties == null) {
                        properties = new PropertiesMetaData();
                        pcReference.setProperties(properties);
                    }
                    properties.add(PropertyMetaDataParser.parse(reader));
                    break;
                default: throw unexpectedElement(reader);
            }
        }

        return pcReference;
    }

}
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