get Field Get Method - Android java.lang.reflect

Android examples for java.lang.reflect:Method Get

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Description

get Field Get Method

Demo Code


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

public class Main {
    public static Method getFieldGetMethod(Class<?> clazz, Field f) {
        String fn = f.getName();//from   ww w  .j a  v a 2s  . c  o m
        Method m = null;
        if (f.getType() == boolean.class) {
            m = getBooleanFieldGetMethod(clazz, fn);
        }
        if (m == null) {
            m = getFieldGetMethod(clazz, fn);
        }
        return m;
    }

    public static Method getFieldGetMethod(Class<?> clazz, String fieldName) {
        String mn = "get" + fieldName.substring(0, 1).toUpperCase()
                + fieldName.substring(1);
        try {
            return clazz.getDeclaredMethod(mn);
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
            return null;
        }
    }

    public static Method getBooleanFieldGetMethod(Class<?> clazz,
            String fieldName) {
        String mn = "is" + fieldName.substring(0, 1).toUpperCase()
                + fieldName.substring(1);
        if (isISStart(fieldName)) {
            mn = fieldName;
        }
        try {
            return clazz.getDeclaredMethod(mn);
        } 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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