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.portlet; 018 019import javax.portlet.PortletException; 020 021/** 022 * Exception to be thrown on error conditions that should forward 023 * to a specific view with a specific model. 024 * 025 * <p>Can be thrown at any time during handler processing. 026 * This includes any template methods of pre-built controllers. 027 * For example, a form controller might abort to a specific error page 028 * if certain parameters do not allow to proceed with the normal workflow. 029 * 030 * @author Juergen Hoeller 031 * @since 2.0 032 */ 033@SuppressWarnings("serial") 034public class ModelAndViewDefiningException extends PortletException { 035 036 private ModelAndView modelAndView; 037 038 039 /** 040 * Create new ModelAndViewDefiningException with the given ModelAndView, 041 * typically representing a specific error page. 042 * @param modelAndView ModelAndView with view to forward to and model to expose 043 */ 044 public ModelAndViewDefiningException(ModelAndView modelAndView) { 045 if (modelAndView == null) { 046 throw new IllegalArgumentException("modelAndView must not be null in ModelAndViewDefiningException"); 047 } 048 this.modelAndView = modelAndView; 049 } 050 051 /** 052 * Return the ModelAndView that this exception contains for forwarding to. 053 */ 054 public ModelAndView getModelAndView() { 055 return modelAndView; 056 } 057 058}