001/* 002 * Copyright 2021 Global Biodiversity Information Facility (GBIF) 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.gbif.utils; 017 018import java.lang.reflect.Field; 019 020/** 021 * Utility method to work with annotations. 022 */ 023public final class AnnotationUtils { 024 025 private AnnotationUtils() { 026 } 027 028 /** 029 * Check if a field is annotated with @Deprecated in the provided class. 030 * Mostly used on elements of an Enum but will also work on class {@link Field} (private and public). 031 * 032 * @param _class 033 * @param fieldName 034 * @return true if the specified field is annotated with @Deprecated on the provided class. False is all 035 * other cases (including if the field doesn't exist) 036 */ 037 public static boolean isFieldDeprecated(Class<?> _class, String fieldName) { 038 try { 039 Field field = _class.getDeclaredField(fieldName); 040 field.setAccessible(true); 041 return field.isAnnotationPresent(Deprecated.class); 042 } catch (NoSuchFieldException ignore) {} 043 return false; 044 } 045}