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.web.bind; 018 019/** 020 * {@link ServletRequestBindingException} subclass that indicates a missing parameter. 021 * 022 * @author Juergen Hoeller 023 * @since 2.0.2 024 */ 025@SuppressWarnings("serial") 026public class MissingServletRequestParameterException extends ServletRequestBindingException { 027 028 private final String parameterName; 029 030 private final String parameterType; 031 032 033 /** 034 * Constructor for MissingServletRequestParameterException. 035 * @param parameterName the name of the missing parameter 036 * @param parameterType the expected type of the missing parameter 037 */ 038 public MissingServletRequestParameterException(String parameterName, String parameterType) { 039 super(""); 040 this.parameterName = parameterName; 041 this.parameterType = parameterType; 042 } 043 044 045 @Override 046 public String getMessage() { 047 return "Required " + this.parameterType + " parameter '" + this.parameterName + "' is not present"; 048 } 049 050 /** 051 * Return the name of the offending parameter. 052 */ 053 public final String getParameterName() { 054 return this.parameterName; 055 } 056 057 /** 058 * Return the expected type of the offending parameter. 059 */ 060 public final String getParameterType() { 061 return this.parameterType; 062 } 063 064}