Java tutorial
/* * Copyright 2002-2012 the original author or authors. * * 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 * * https://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. */ package org.springframework.validation; import org.springframework.lang.Nullable; /** * Strategy interface for building message codes from validation error codes. * Used by DataBinder to build the codes list for ObjectErrors and FieldErrors. * * <p>The resulting message codes correspond to the codes of a * MessageSourceResolvable (as implemented by ObjectError and FieldError). * * @author Juergen Hoeller * @since 1.0.1 * @see DataBinder#setMessageCodesResolver * @see ObjectError * @see FieldError * @see org.springframework.context.MessageSourceResolvable#getCodes() */ public interface MessageCodesResolver { /** * Build message codes for the given error code and object name. * Used for building the codes list of an ObjectError. * @param errorCode the error code used for rejecting the object * @param objectName the name of the object * @return the message codes to use */ String[] resolveMessageCodes(String errorCode, String objectName); /** * Build message codes for the given error code and field specification. * Used for building the codes list of an FieldError. * @param errorCode the error code used for rejecting the value * @param objectName the name of the object * @param field the field name * @param fieldType the field type (may be {@code null} if not determinable) * @return the message codes to use */ String[] resolveMessageCodes(String errorCode, String objectName, String field, @Nullable Class<?> fieldType); }