/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc..
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.metamodel.source.annotations.xml.filter;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.hibernate.metamodel.source.annotations.xml.mocker.IndexBuilder;
import org.jboss.jandex.AnnotationInstance;
import org.jboss.jandex.DotName;
/**
* @author Strong Liu
*/
abstract class AbstractAnnotationFilter implements IndexedAnnotationFilter {
protected static final DotName[] EMPTY_DOTNAME_ARRAY = new DotName[0];
private Set<DotName> candidates;
private boolean match(DotName annName) {
if ( candidates == null ) {
candidates = new HashSet<DotName>();
candidates.addAll( Arrays.asList( targetAnnotation() ) );
}
return candidates.contains( annName );
}
@Override
public void beforePush(IndexBuilder indexBuilder, DotName classDotName, AnnotationInstance annotationInstance) {
DotName annName = annotationInstance.name();
if ( !match( annName ) ) {
return;
}
Map<DotName, List<AnnotationInstance>> map = indexBuilder.getIndexedAnnotations( classDotName );
overrideIndexedAnnotationMap( annName, annotationInstance, map );
}
protected void overrideIndexedAnnotationMap(DotName annName, AnnotationInstance annotationInstance, Map<DotName, List<AnnotationInstance>> map) {
if ( !map.containsKey( annName ) ) {
return;
}
List<AnnotationInstance> indexedAnnotationInstanceList = map.get( annName );
if ( indexedAnnotationInstanceList.isEmpty() ) {
return;
}
process( annName, annotationInstance, indexedAnnotationInstanceList );
}
protected void process(DotName annName, AnnotationInstance annotationInstance, List<AnnotationInstance> indexedAnnotationInstanceList) {
}
protected DotName[] targetAnnotation() {
return EMPTY_DOTNAME_ARRAY;
}
}