Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2015 Annie Hui @ RStar Technology Solutions
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.lang.reflect.Field;

public class Main {
    public static <T> T getPrivateConstantField(Class<?> outerClass, String innerClassName, String fieldname,
            Class<T> returnType) throws Exception {
        // Get all inner classes
        Class<?> innerClasses[] = outerClass.getDeclaredClasses();
        // find the inner class that matches the order
        Class<?> innerClass = null;

        for (int index = 0; index < innerClasses.length; index++) {
            if (innerClassName.equals(innerClasses[index].getSimpleName())) {
                innerClass = innerClasses[index];
            }
        }
        T returnValue = null;
        if (innerClass != null) {
            Field field;
            field = innerClass.getDeclaredField(fieldname);
            field.setAccessible(true);
            returnValue = (T) field.get(innerClass);
        }
        return returnValue;
    }
}