Java examples for Reflection:Field Get
Gets long Field.
/*/*from w w w . j a v a 2 s . c om*/ * NOTE: This is added by intellij IDE. Disregard this message if there is another copyright later in the file. * Copyright (C) 2014-2015 Will (n9Mtq4) Bresnahan * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version * 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 General Public License for more details * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ //package com.java2s; import java.lang.reflect.Field; public class Main { /** * Gets long. * * @param field the field * @param obj the obj * @return the long */ public static long getLong(Field field, Object obj) { try { field.setAccessible(true); return field.getLong(obj); } catch (Exception e) { e.printStackTrace(); return 0; } } /** * Gets long. * * @param fieldName the field name * @param obj the obj * @param clazz the class * @return the long */ public static long getLong(String fieldName, Object obj, Class clazz) { try { Field f = clazz.getDeclaredField(fieldName); return getLong(f, obj); } catch (Exception e) { e.printStackTrace(); return 0; } } /** * Gets long. * * @param fieldName the field name * @param obj the obj * @return the long */ public static long getLong(String fieldName, Object obj) { return getLong(fieldName, obj, obj.getClass()); } }