Java Reflection Field Find findField(Class c, String fieldName)

Description

Gets field by name, declared in the class or its superclasses.

License

Apache License

Declaration

public static Field findField(Class c, String fieldName) 

Method Source Code

//package com.java2s;
/*/*from  w w  w.ja v  a 2s .  c o m*/
 * Copyright (C) 2016 Andrey Mogilev
 *
 * 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.*;

public class Main {
    /**
     * Gets field by name, declared in the class or its superclasses.
     */
    public static Field findField(Class c, String fieldName) {
        while (c != null) {
            for (Field f : c.getDeclaredFields()) {
                if (fieldName.equals(f.getName())) {
                    // found
                    f.setAccessible(true);
                    return f;
                }
            }
            c = c.getSuperclass();
        }
        return null;
    }
}

Related

1. findField(@Nonnull Class clazz, @Nonnull String name, Class type)
2. findField(Class aClass, String aFieldName)
3. findField(Class c, Class fieldtype)
4. findField(Class classBeFind, String name)
5. findField(Class classType, String fieldName, Class fieldType)
6. findField(Class clazz, Class type, String name)
7. findField(Class clazz, String fieldName)