Java tutorial
/* * Copyright 2012-2014 the original author or authors. * * Licensed 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.lightadmin.core.util; import java.lang.annotation.Annotation; import org.springframework.data.mapping.PersistentProperty; public class AnnotationUtils { public static Annotation findAnnotationByName(PersistentProperty persistentProperty, String annotationTypeName) throws RuntimeException { try { return persistentProperty != null ? persistentProperty.findAnnotation(Class.forName(annotationTypeName)) : null; } catch (ClassNotFoundException cnfe) { throw new RuntimeException(cnfe); } } public static Object getAnnotationValue(Annotation annotation, String valueName) throws RuntimeException { try { return annotation.annotationType().getMethod(valueName).invoke(annotation); } catch (Exception e) { throw new RuntimeException(e); } } }