check if two object equal by Fields via reflection - Android java.lang.reflect

Android examples for java.lang.reflect:Field

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Description

check if two object equal by Fields via reflection

Demo Code


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

public class Main {
    private static boolean equalFields(Object one, Object another) {
        Field[] onefields = one.getClass().getDeclaredFields();
        Field[] anotherfields = another.getClass().getDeclaredFields();
        if (onefields.length != anotherfields.length) {
            return false;
        }/*from   w w w.j av a  2  s  . c o  m*/
        try {
            for (int i = 0; i < onefields.length; i++) {
                Field oneField = onefields[i];
                oneField.setAccessible(true);
                Field anotherfield = anotherfields[i];
                anotherfield.setAccessible(true);
                Object oneFieldValue = oneField.get(one);
                Object anotherFieldValue = anotherfield.get(another);
                if (oneFieldValue == null && anotherFieldValue != null) {
                    return false;
                }
                if (oneFieldValue != null
                        && !oneFieldValue.equals(anotherFieldValue)) {
                    return false;
                }
            }
        } catch (IllegalArgumentException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
        return true;
    }
}

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