/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.isis.core.metamodel.facets.object.ignore.annotation;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import com.google.common.eventbus.Subscribe;
import org.apache.isis.applib.annotation.Ignore;
import org.apache.isis.applib.annotation.Programmatic;
import org.apache.isis.core.commons.lang.ClassUtil;
import org.apache.isis.core.metamodel.facetapi.FeatureType;
import org.apache.isis.core.metamodel.facetapi.MethodRemover;
import org.apache.isis.core.metamodel.facets.Annotations;
import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
public class RemoveAnnotatedMethodsFacetFactory extends FacetFactoryAbstract {
private Class<? extends Annotation> eventHandlerClass;
public RemoveAnnotatedMethodsFacetFactory() {
super(FeatureType.OBJECTS_ONLY);
try {
// doing this reflectively so that don't bring in a dependency on axon.
Class cls = (Class) ClassUtil.forName("org.axonframework.eventhandling.annotation.EventHandler");
eventHandlerClass = cls;
} catch(Exception ignore) {
// ignore
eventHandlerClass = null;
}
}
@Override
public void process(final ProcessClassContext processClassContext) {
removeIgnoredMethods(processClassContext.getCls(), processClassContext);
}
@SuppressWarnings("deprecation")
private void removeIgnoredMethods(final Class<?> cls, final MethodRemover methodRemover) {
if (cls == null) {
return;
}
final Method[] methods = cls.getMethods();
for (final Method method : methods) {
removeAnnotatedMethods(methodRemover, method, PreDestroy.class);
removeAnnotatedMethods(methodRemover, method, PostConstruct.class);
removeAnnotatedMethods(methodRemover, method, Ignore.class);
removeAnnotatedMethods(methodRemover, method, Programmatic.class);
removeAnnotatedMethods(methodRemover, method, Subscribe.class);
if(eventHandlerClass != null) {
removeAnnotatedMethods(methodRemover, method, eventHandlerClass);
}
}
}
private static <T extends Annotation> void removeAnnotatedMethods(final MethodRemover methodRemover, final Method method, Class<T> annotationClass) {
if (!Annotations.isAnnotationPresent(method, annotationClass)) {
return;
}
methodRemover.removeMethod(method);
}
}