Java Reflection Field Find findField(Class classType, String fieldName, Class fieldType)

Description

find Field

License

Open Source License

Declaration

private static Field findField(Class classType, String fieldName, Class fieldType) 

Method Source Code

//package com.java2s;
/*//w  w  w.j a  v  a  2  s .  co m
 * Copyright (c) 2008-2016, Hazelcast, Inc. All Rights Reserved.
 *
 * 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 {
    private static Field findField(Class classType, String fieldName, Class fieldType) {
        for (Field field : classType.getDeclaredFields()) {
            if (field.getName().equals(fieldName)) {
                boolean isAssignableToType = (fieldType != null && field.getType().isAssignableFrom(fieldType));
                boolean isPrimitiveType = (fieldType == null && field.getType().isPrimitive());
                if (isAssignableToType || isPrimitiveType) {
                    return field;
                }
            }
        }
        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 c, String fieldName)
5. findField(Class classBeFind, String name)
6. findField(Class clazz, Class type, String name)
7. findField(Class clazz, String fieldName)
8. findField(Class clazz, String fieldName)
9. findField(Class clazz, String name)