Java Reflection Field Value Set setFieldValue(Object target, String fieldName, Object value)

Description

set Field Value

License

Apache License

Declaration

public static void setFieldValue(Object target, String fieldName, Object value) 

Method Source Code

//package com.java2s;
/*/*  w w  w. j  a  v  a  2s .co  m*/
 * Copyright 2009-2016 European Molecular Biology Laboratory
 *
 * 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 {
    public static void setFieldValue(Object target, String fieldName, Object value) {
        try {
            getField(target, fieldName).set(target, value);
        } catch (IllegalAccessException e) {
            throw new RuntimeException(e);
        } catch (NoSuchFieldException e) {
            throw new RuntimeException(e);
        }
    }

    private static Field getField(Object target, String fieldName) throws NoSuchFieldException {
        Class<?> clazz = target.getClass();
        Field field = clazz.getDeclaredField(fieldName);
        field.setAccessible(true);
        return field;
    }
}

Related

1. setFieldValue(Object target, Field field, Object newValue)
2. setFieldValue(Object target, Field field, Object value)
3. setFieldValue(Object target, Object mock, final Field field)
4. setFieldValue(Object target, String field, Object value)
5. setFieldValue(Object target, String fieldName, Object fieldValue)
6. setFieldValue(Object target, String fieldName, Object value)
7. setFieldValue(Object target, String fieldName, String fieldValue)
8. setFieldValue(Object target, String fname, Class ftype, Object fvalue)
9. setFieldValue(String fieldName, int fieldValue, Object board)