/*
* 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.ejb3.interceptor;
import org.jboss.metadata.ejb.parser.spec.AbstractMetaDataParser;
import org.jboss.metadata.ejb.parser.spec.InterceptorBindingMetaDataParser;
import org.jboss.metadata.ejb.spec.InterceptorBindingMetaData;
import org.jboss.metadata.property.PropertyReplacer;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
/**
* Responsible for parsing the <code>container-interceptors</code> in jboss-ejb3.xml
*
* @author Jaikiran Pai
*/
public class ContainerInterceptorsParser extends AbstractMetaDataParser<ContainerInterceptorsMetaData> {
public static final ContainerInterceptorsParser INSTANCE = new ContainerInterceptorsParser();
public static final String NAMESPACE_URI_1_0 = "urn:container-interceptors:1.0";
private static final String ELEMENT_CONTAINER_INTERCEPTORS = "container-interceptors";
private static final String ELEMENT_INTERCEPTOR_BINDING = "interceptor-binding";
@Override
public ContainerInterceptorsMetaData parse(XMLStreamReader reader, PropertyReplacer propertyReplacer) throws XMLStreamException {
// make sure it's the right namespace
if (!reader.getNamespaceURI().equals(NAMESPACE_URI_1_0)) {
throw unexpectedElement(reader);
}
// only process relevant elements
if (!reader.getLocalName().equals(ELEMENT_CONTAINER_INTERCEPTORS)) {
throw unexpectedElement(reader);
}
final ContainerInterceptorsMetaData metaData = new ContainerInterceptorsMetaData();
processElements(metaData, reader, propertyReplacer);
return metaData;
}
@Override
protected void processElement(final ContainerInterceptorsMetaData containerInterceptorsMetadata, final XMLStreamReader reader, final PropertyReplacer propertyReplacer) throws XMLStreamException {
final String localName = reader.getLocalName();
if (!localName.equals(ELEMENT_INTERCEPTOR_BINDING)) {
throw unexpectedElement(reader);
}
// parse the interceptor-binding
final InterceptorBindingMetaData interceptorBinding = this.readInterceptorBinding(reader, propertyReplacer);
// add the interceptor binding to the container interceptor metadata
containerInterceptorsMetadata.addInterceptorBinding(interceptorBinding);
}
/**
* Parses the <code>interceptor-binding</code> element and returns the corresponding {@link InterceptorBindingMetaData}
*
* @param reader
* @param propertyReplacer
* @return
* @throws XMLStreamException
*/
private InterceptorBindingMetaData readInterceptorBinding(final XMLStreamReader reader, final PropertyReplacer propertyReplacer) throws XMLStreamException {
return InterceptorBindingMetaDataParser.INSTANCE.parse(reader, propertyReplacer);
}
}