001/* 002 * Copyright 2002-2017 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.web.bind.support; 018 019import org.springframework.lang.Nullable; 020import org.springframework.web.bind.WebDataBinder; 021import org.springframework.web.context.request.NativeWebRequest; 022 023/** 024 * A factory for creating a {@link WebDataBinder} instance for a named target object. 025 * 026 * @author Arjen Poutsma 027 * @since 3.1 028 */ 029public interface WebDataBinderFactory { 030 031 /** 032 * Create a {@link WebDataBinder} for the given object. 033 * @param webRequest the current request 034 * @param target the object to create a data binder for, 035 * or {@code null} if creating a binder for a simple type 036 * @param objectName the name of the target object 037 * @return the created {@link WebDataBinder} instance, never null 038 * @throws Exception raised if the creation and initialization of the data binder fails 039 */ 040 WebDataBinder createBinder(NativeWebRequest webRequest, @Nullable Object target, String objectName) 041 throws Exception; 042 043}