set Field by name on Object - Java Reflection

Java examples for Reflection:Field Set

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Description

set Field by name on Object

Demo Code


//package com.java2s;
import java.lang.reflect.Field;

public class Main {

    public static void setField(String name, Object target, Object value) {
        try {//w w w. j  a  va 2 s. co  m
            Class<?> targetClass = target.getClass();
            Field field = targetClass.getDeclaredField(name);
            boolean unlocked = false;
            if (!field.isAccessible()) {
                field.setAccessible(true);
                unlocked = true;
            }
            field.set(target, value);
            if (unlocked) {
                field.setAccessible(false);
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}

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