Java Reflection Field Find findField(Class clazz, String field)

Description

Finds the field from the specified class

License

Apache License

Parameter

Parameter	Description
clazz	The defining class
field	The field's name

Declaration

public static Field findField(Class<?> clazz, String field) 

Method Source Code

//package com.java2s;
/*/*from  w  ww. j a v a 2 s.c  o m*/
 * Copyright 2018 ImpactDevelopment
 *
 * 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;

import java.util.Arrays;

public class Main {
    /**
     * Finds the field from the specified object's class
     *
     * @param object An object of the defining class
     * @param field The field's name
     */
    public static Field findField(Object object, String field) {
        return findField(object.getClass(), field);
    }

    /**
     * Finds the field from the specified class
     *
     * @param clazz The defining class
     * @param field The field's name
     */
    public static Field findField(Class<?> clazz, String field) {
        return Arrays.stream(clazz.getDeclaredFields()).filter(f -> f.getName().equals(field)).findFirst()
                .orElse(null);
    }
}

Related

1. findField(Class c, String property, Class propertyType)
2. findField(Class cl, String fieldName)
3. findField(Class classToCheck, String propertyName)
4. findField(Class claz, String... names)
5. findField(Class clazz, final String field)
6. findField(Class clazz, String field, Class type, int index)
7. findField(Class clazz, String fieldName)
8. findField(Class clazz, String fieldName)
9. findField(Class clazz, String fieldName)