Here you can find the source of invokeSetter(Method setter, Object obj, String fieldName, Object value)
private static void invokeSetter(Method setter, Object obj, String fieldName, Object value) throws IOException
//package com.java2s; /*// ww w . ja v a 2 s .c o m * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * See LICENSE.txt included in this distribution for the specific * language governing permissions and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at LICENSE.txt. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; public class Main { private static void invokeSetter(Method setter, Object obj, String fieldName, Object value) throws IOException { try { setter.invoke(obj, value); } catch (IllegalAccessException | IllegalArgumentException /* * This the case when the invocation failed because the invoked * method failed with an exception. All exceptions are * propagated through this exception. */ | InvocationTargetException ex) { throw new IOException( String.format("Unsupported operation with object of class %s for name \"%s\" - %s.", obj.getClass().toString(), fieldName, ex.getCause() == null ? ex.getLocalizedMessage() : ex.getCause().getLocalizedMessage()), ex); } } }