/*
 * Copyright 2002-2020 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
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package org.springframework.validation;

import org.springframework.lang.Nullable;

A strategy interface for formatting message codes.
Author:Chris Beams
See Also:
Since:3.2
/** * A strategy interface for formatting message codes. * * @author Chris Beams * @since 3.2 * @see DefaultMessageCodesResolver * @see DefaultMessageCodesResolver.Format */
@FunctionalInterface public interface MessageCodeFormatter {
Build and return a message code consisting of the given fields, usually delimited by DefaultMessageCodesResolver.CODE_SEPARATOR.
Params:
  • errorCode – e.g.: "typeMismatch"
  • objectName – e.g.: "user"
  • field – e.g. "age"
See Also:
Returns:concatenated message code, e.g.: "typeMismatch.user.age"
/** * Build and return a message code consisting of the given fields, * usually delimited by {@link DefaultMessageCodesResolver#CODE_SEPARATOR}. * @param errorCode e.g.: "typeMismatch" * @param objectName e.g.: "user" * @param field e.g. "age" * @return concatenated message code, e.g.: "typeMismatch.user.age" * @see DefaultMessageCodesResolver.Format */
String format(String errorCode, @Nullable String objectName, @Nullable String field); }