Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.lang.reflect.Field;
import java.lang.reflect.ParameterizedType;

import java.util.Collection;

public class Main {
    static Class<? extends Object> getFieldClass(Field field) {
        return isCollection(field) ? getParametricClass(field) : field.getType();
    }

    static boolean isCollection(Field field) {
        return Collection.class.isAssignableFrom(field.getType());
    }

    static Class<?> getParametricClass(Class<?> clazz) {
        ParameterizedType paramType = (ParameterizedType) clazz.getGenericSuperclass();
        return getParametricClass(paramType);
    }

    static Class<?> getParametricClass(Field field) {
        ParameterizedType paramType = (ParameterizedType) field.getGenericType();
        return getParametricClass(paramType);
    }

    private static Class<?> getParametricClass(ParameterizedType parametType) {
        return (Class<?>) parametType.getActualTypeArguments()[0];
    }
}