get Field Set Method - Android java.lang.reflect

Android examples for java.lang.reflect:Method Get

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Description

get Field Set Method

Demo Code


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

public class Main {
    public static Method getFieldSetMethod(Class<?> clazz, Field f) {
        String fn = f.getName();/*from   w w w. j av  a 2s. c  om*/
        String mn = "set" + fn.substring(0, 1).toUpperCase()
                + fn.substring(1);
        try {
            return clazz.getDeclaredMethod(mn, f.getType());
        } catch (NoSuchMethodException e) {
            if (f.getType() == boolean.class) {
                return getBooleanFieldSetMethod(clazz, f);
            }
        }
        return null;
    }

    public static Method getBooleanFieldSetMethod(Class<?> clazz, Field f) {
        String fn = f.getName();
        String mn = "set" + fn.substring(0, 1).toUpperCase()
                + fn.substring(1);
        if (isISStart(f.getName())) {
            mn = "set" + fn.substring(2, 3).toUpperCase() + fn.substring(3);
        }
        try {
            return clazz.getDeclaredMethod(mn, f.getType());
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
            return null;
        }
    }

    private static boolean isISStart(String fieldName) {
        if (fieldName == null || fieldName.trim().length() == 0)
            return false;

        return fieldName.startsWith("is")
                && !Character.isLowerCase(fieldName.charAt(2));
    }
}

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