HandlerExceptionResolver


1   /*
2    * Copyright 2002-2005 the original author or authors.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.springframework.web.servlet;
18  
19  import javax.servlet.http.HttpServletRequest  ;
20  import javax.servlet.http.HttpServletResponse  ;
21  
22  /**
23   * Interface to be implemented by objects than can resolve exceptions thrown
24   * during handler mapping or execution, in the typical case to error views.
25   * Implementors are typically registered as beans in the application context.
26   *
27   * <p>Error views are analogous to the error page JSPs, but can be used with
28   * any kind of exception including any checked exception, with potentially
29   * fine-granular mappings for specific handlers.
30   *
31   * @author Juergen Hoeller
32   * @since 22.11.2003
33   */
34  public interface HandlerExceptionResolver {
35  
36      /**
37       * Try to resolve the given exception that got thrown during on handler execution,
38       * returning a ModelAndView that represents a specific error page if appropriate.
39       * @param request current HTTP request
40       * @param response current HTTP response
41       * @param handler the executed handler, or <code>null</code> if none chosen at the time of
42       * the exception (for example, if multipart resolution failed)
43       * @param ex the exception that got thrown during handler execution
44       * @return a corresponding ModelAndView to forward to, or <code>null</code> for default processing
45       */
46      ModelAndView resolveException(
47              HttpServletRequest   request, HttpServletResponse   response, Object   handler, Exception   ex);
48  
49  }
50
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags