Here you can find the source of setFieldHelper(Object o, String name, Object v)
public static boolean setFieldHelper(Object o, String name, Object v)
//package com.java2s; /*/*from w ww . j ava 2 s . co m*/ * This file is part of jxpl. * * jxpl 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. * * jxpl 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 jxpl. If not, see <http://www.gnu.org/licenses/>. */ import java.lang.reflect.Field; public class Main { public static boolean setFieldHelper(Object o, String name, Object v) { try { Class c = o.getClass(); Field f = null; while (f == null) { if (c != null) { try { f = c.getDeclaredField(name); } catch (Throwable t) { c = c.getSuperclass(); } } } if (f != null) { f.setAccessible(true); f.set(o, v); return true; } } catch (Throwable t) { } return false; } }