Description
Set the value of the field 'name' to be 'value' on object 'object'.
License
Open Source License
Parameter
| Parameter | Description |
|---|
| object | The object to modify |
| value | The value for the field |
| name | The name of the field to set |
Exception
| Parameter | Description |
|---|
| RuntimeException | If the field doesn't exist or there is atype inconsistency. |
Declaration
public static void setField(Object object, Object value, String name)
Method Source Code
//package com.java2s;
/*// ww w . j a va 2 s . c o m
************************************************************************
******************* CANADIAN ASTRONOMY DATA CENTRE *******************
************** CENTRE CANADIEN DE DONN?ES ASTRONOMIQUES **************
*
* (c) 2014. (c) 2014.
* Government of Canada Gouvernement du Canada
* National Research Council Conseil national de recherches
* Ottawa, Canada, K1A 0R6 Ottawa, Canada, K1A 0R6
* All rights reserved Tous droits r?serv?s
*
* NRC disclaims any warranties, Le CNRC d?nie toute garantie
* expressed, implied, or ?nonc?e, implicite ou l?gale,
* statutory, of any kind with de quelque nature que ce
* respect to the software, soit, concernant le logiciel,
* including without limitation y compris sans restriction
* any warranty of merchantability toute garantie de valeur
* or fitness for a particular marchande ou de pertinence
* purpose. NRC shall not be pour un usage particulier.
* liable in any event for any Le CNRC ne pourra en aucun cas
* damages, whether direct or ?tre tenu responsable de tout
* indirect, special or general, dommage, direct ou indirect,
* consequential or incidental, particulier ou g?n?ral,
* arising from the use of the accessoire ou fortuit, r?sultant
* software. Neither the name de l'utilisation du logiciel. Ni
* of the National Research le nom du Conseil National de
* Council of Canada nor the Recherches du Canada ni les noms
* names of its contributors may de ses participants ne peuvent
* be used to endorse or promote ?tre utilis?s pour approuver ou
* products derived from this promouvoir les produits d?riv?s
* software without specific prior de ce logiciel sans autorisation
* written permission. pr?alable et particuli?re
* par ?crit.
*
* This file is part of the Ce fichier fait partie du projet
* OpenCADC project. OpenCADC.
*
* OpenCADC is free software: OpenCADC est un logiciel libre ;
* you can redistribute it and/or vous pouvez le redistribuer ou le
* modify it under the terms of modifier suivant les termes de
* the GNU Affero General Public la ?GNU Affero General Public
* License as published by the License?? telle que publi?e
* Free Software Foundation, par la Free Software Foundation
* either version 3 of the : soit la version 3 de cette
* License, or (at your option) licence, soit (? votre gr?)
* any later version. toute version ult?rieure.
*
* OpenCADC is distributed in the OpenCADC est distribu?
* hope that it will be useful, dans l?espoir qu?il vous
* but WITHOUT ANY WARRANTY; sera utile, mais SANS AUCUNE
* without even the implied GARANTIE : sans m?me la garantie
* warranty of MERCHANTABILITY implicite de COMMERCIALISABILIT?
* or FITNESS FOR A PARTICULAR ni d?AD?QUATION ? UN OBJECTIF
* PURPOSE. See the GNU Affero PARTICULIER. Consultez la Licence
* General Public License for G?n?rale Publique GNU Affero
* more details. pour plus de d?tails.
*
* You should have received Vous devriez avoir re?u une
* a copy of the GNU Affero copie de la Licence G?n?rale
* General Public License along Publique GNU Affero avec
* with OpenCADC. If not, see OpenCADC ; si ce n?est
* <http://www.gnu.org/licenses/>. pas le cas, consultez :
* <http://www.gnu.org/licenses/>.
*
* $Revision: 4 $
*
************************************************************************
*/
import java.lang.reflect.Field;
public class Main {
/**
* Set the value of the field 'name' to be 'value' on object 'object'.
*
* This method will set the field in any superclasses that the object
* may inherit too.
*
* @param object The object to modify
* @param value The value for the field
* @param name The name of the field to set
* @throws RuntimeException If the field doesn't exist or there is a
* type inconsistency.
*/
public static void setField(Object object, Object value, String name) {
ReflectiveOperationException firstError = null;
Class<? extends Object> clazz = object.getClass();
while (clazz != null) {
try {
Field field = clazz.getDeclaredField(name);
field.setAccessible(true);
field.set(object, value);
clazz = null;
firstError = null;
} catch (ReflectiveOperationException e) {
// try the superclass
firstError = e;
clazz = clazz.getSuperclass();
}
}
if (firstError != null) {
throw new RuntimeException("failed to set field value", firstError);
}
}
}
Related
- setField(Object obj, String name, Object value)
- setField(Object object, Class clazz, String fieldName, Object value)
- setField(Object object, Class clazz, String fieldName, Object value)
- setField(Object object, Field field, Object value)
- setField(Object object, Field field, Object value)
- setField(Object object, String field, Object value)
- setField(Object object, String fieldName, int value)
- setField(Object object, String fieldName, Object newValue)
- setField(Object object, String fieldName, Object newValue, boolean isFindDeclaredField, boolean isUpwardFind)