get Properties By Reflect - Java Reflection

Java examples for Reflection:Property

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Description

get Properties By Reflect

Demo Code

/*// ww w .j  a  v  a 2 s . com
 * Comet4J Copyright(c) 2011, http://code.google.com/p/comet4j/ This code is
 * licensed under BSD license. Use it as you wish, but keep this copyright
 * intact.
 */
//package com.java2s;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.Map;

public class Main {
    public static void main(String[] argv) throws Exception {
        Object obj = "java2s.com";
        System.out.println(getPropertiesByReflect(obj));
    }

    @SuppressWarnings("rawtypes")
    public static Map getPropertiesByReflect(Object obj) throws Exception {
        if (obj == null)
            return null;
        Field[] fields = obj.getClass().getDeclaredFields();
        if (fields == null || fields.length == 0)
            return null;
        Map<String, Object> map = new HashMap<String, Object>();
        AccessibleObject.setAccessible(fields, true);
        for (Field field : fields) {
            map.put(field.getName(), field.get(obj));

        }
        if (map.size() < 1)
            return null;
        return map;
    }
}

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