001/* 002 * Copyright 2012-2018 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 * http://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.boot.context.properties.bind.validation; 018 019import org.springframework.util.Assert; 020 021/** 022 * Error thrown when validation fails during a bind operation. 023 * 024 * @author Phillip Webb 025 * @author Madhura Bhave 026 * @since 2.0.0 027 * @see ValidationErrors 028 * @see ValidationBindHandler 029 */ 030public class BindValidationException extends RuntimeException { 031 032 private final ValidationErrors validationErrors; 033 034 BindValidationException(ValidationErrors validationErrors) { 035 super(getMessage(validationErrors)); 036 Assert.notNull(validationErrors, "ValidationErrors must not be null"); 037 this.validationErrors = validationErrors; 038 } 039 040 /** 041 * Return the validation errors that caused the exception. 042 * @return the validationErrors the validation errors 043 */ 044 public ValidationErrors getValidationErrors() { 045 return this.validationErrors; 046 } 047 048 private static String getMessage(ValidationErrors errors) { 049 StringBuilder message = new StringBuilder("Binding validation errors"); 050 if (errors != null) { 051 message.append(" on " + errors.getName()); 052 errors.getAllErrors().forEach( 053 (error) -> message.append(String.format("%n - %s", error))); 054 } 055 return message.toString(); 056 } 057 058}