get Value By Property Name - Java Reflection

Java examples for Reflection:Property

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Description

get Value By Property Name

Demo Code


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

public class Main {
    public static void main(String[] argv) throws Exception {
        Object obj = "java2s.com";
        String propertyName = "java2s.com";
        System.out.println(getValueByPropertyName(obj, propertyName));
    }//w  w w  .j a  v  a2s . c  o  m

    public static Object getValueByPropertyName(Object obj,
            String propertyName) {
        String getMethodName = "get"
                + propertyName.substring(0, 1).toUpperCase()
                + propertyName.substring(1);

        Class c = obj.getClass();
        try {
            Method m = c.getMethod(getMethodName);

            Object value = m.invoke(obj);
            return value;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }
}

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