001/* 002 * Copyright 2002-2012 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.validation; 018 019import org.springframework.lang.Nullable; 020 021/** 022 * Strategy interface for building message codes from validation error codes. 023 * Used by DataBinder to build the codes list for ObjectErrors and FieldErrors. 024 * 025 * <p>The resulting message codes correspond to the codes of a 026 * MessageSourceResolvable (as implemented by ObjectError and FieldError). 027 * 028 * @author Juergen Hoeller 029 * @since 1.0.1 030 * @see DataBinder#setMessageCodesResolver 031 * @see ObjectError 032 * @see FieldError 033 * @see org.springframework.context.MessageSourceResolvable#getCodes() 034 */ 035public interface MessageCodesResolver { 036 037 /** 038 * Build message codes for the given error code and object name. 039 * Used for building the codes list of an ObjectError. 040 * @param errorCode the error code used for rejecting the object 041 * @param objectName the name of the object 042 * @return the message codes to use 043 */ 044 String[] resolveMessageCodes(String errorCode, String objectName); 045 046 /** 047 * Build message codes for the given error code and field specification. 048 * Used for building the codes list of an FieldError. 049 * @param errorCode the error code used for rejecting the value 050 * @param objectName the name of the object 051 * @param field the field name 052 * @param fieldType the field type (may be {@code null} if not determinable) 053 * @return the message codes to use 054 */ 055 String[] resolveMessageCodes(String errorCode, String objectName, String field, @Nullable Class<?> fieldType); 056 057}