Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.lang.reflect.Field;

import java.lang.reflect.Modifier;

import java.util.ArrayList;

public class Main {
    public static Field findFiledWithName(Class clazz, String filedName) {
        Field[] fields = getAllFiedFromClassAndSuper(clazz, false);
        if (fields != null) {
            for (Field field : fields) {
                field.setAccessible(true);
                if (field.getName().equals(filedName)) {
                    return field;
                }
            }
        }
        return null;
    }

    public static Field findFiledWithName(Field[] fields, String filedName) {
        if (fields != null) {
            for (Field field : fields) {
                field.setAccessible(true);
                if (field.getName().equals(filedName)) {
                    return field;
                }
            }
        }
        return null;
    }

    public static Field[] getAllFiedFromClassAndSuper(Class clazz, boolean needStatic) {
        ArrayList<Field> fields = new ArrayList<>();
        if (clazz != null) {
            Field[] classFields = clazz.getDeclaredFields();
            if (classFields != null) {
                for (Field field : classFields) {
                    boolean isStatic = Modifier.isStatic(field.getModifiers());
                    if (isStatic && !needStatic) {
                        continue;
                    }
                    fields.add(field);
                }
            }

            Field[] superFields = getAllFiedFromClassAndSuper(clazz.getSuperclass(), needStatic);
            if (superFields != null) {
                for (Field field : superFields) {
                    boolean isStatic = Modifier.isStatic(field.getModifiers());
                    if (isStatic && !needStatic) {
                        continue;
                    }
                    fields.add(field);
                }
            }
        }
        return fields.toArray(new Field[fields.size()]);
    }
}