001/* 002 * SonarQube 003 * Copyright (C) 2009-2018 SonarSource SA 004 * mailto:info AT sonarsource DOT com 005 * 006 * This program is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * This program is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public License 017 * along with this program; if not, write to the Free Software Foundation, 018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 019 */ 020package org.sonar.api.utils; 021 022import org.apache.commons.lang.ClassUtils; 023 024import java.lang.reflect.Field; 025import java.lang.reflect.Modifier; 026import java.util.ArrayList; 027import java.util.Collections; 028import java.util.List; 029 030/** 031 * Add features missing in {@code org.apache.commons.lang.reflect.FieldUtils}. 032 * 033 * @since 2.14 034 */ 035public final class FieldUtils2 { 036 private FieldUtils2() { 037 // only statics 038 } 039 040 /** 041 * Get accessible {@code Field} breaking scope if requested. Superclasses/interfaces are considered. 042 * 043 * @param clazz the class to reflect, must not be null 044 * @param forceAccess whether to break scope restrictions using the {@code setAccessible} method. 045 * {@code False} only matches public fields. 046 */ 047 public static List<Field> getFields(Class clazz, boolean forceAccess) { 048 List<Field> result = new ArrayList<>(); 049 Class c = clazz; 050 while (c != null) { 051 for (Field declaredField : c.getDeclaredFields()) { 052 if (!Modifier.isPublic(declaredField.getModifiers())) { 053 if (forceAccess) { 054 declaredField.setAccessible(true); 055 } else { 056 continue; 057 } 058 } 059 result.add(declaredField); 060 } 061 c = c.getSuperclass(); 062 } 063 064 for (Object anInterface : ClassUtils.getAllInterfaces(clazz)) { 065 Collections.addAll(result, ((Class) anInterface).getDeclaredFields()); 066 } 067 068 return result; 069 } 070}