001package votorola.g.web.wic; // Copyright 2010, 2012, Michael Allan. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Votorola Software"), to deal in the Votorola Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Votorola Software, and to permit persons to whom the Votorola Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Votorola Software. THE VOTOROLA SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE VOTOROLA SOFTWARE OR THE USE OR OTHER DEALINGS IN THE VOTOROLA SOFTWARE. 002 003import org.apache.wicket.request.*; 004import org.apache.wicket.request.RequestHandlerStack.ReplaceHandlerException; 005import org.apache.wicket.request.http.WebResponse; 006 007 008/** An alternative redirect exception that supports not only HTTP 301 (permanent) and 302 009 * (temporary) redirects, but also 303 (see other). 010 * 011 * @see org.apache.wicket.request.flow.RedirectToUrlException 012 * @see <a href='http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html' 013 * >Status Code Definitions</a> 014 */ 015public final class RedirectException extends ReplaceHandlerException 016{ 017 018 019 /** Constructs a RedirectException. 020 * 021 * @param _location the redirection target, to be used as the HTTP Location field 022 * in the response. 023 * @param _statusCode the HTTP status code. Only 301 and 303 are tested. 024 */ 025 public RedirectException( String _location, int _statusCode ) 026 { 027 super( new RequestHandler(_location,_statusCode), true ); 028 } 029 030 031 032//// P r i v a t e /////////////////////////////////////////////////////////////////////// 033 034 035 private static final class RequestHandler implements IRequestHandler 036 { 037 // cf. org.apache.wicket.request.http.handler.RedirectRequestHandler 038 039 private RequestHandler( String _location, int _statusCode ) 040 { 041 location = _location; 042 statusCode = _statusCode; 043 } 044 045 046 private final String location; 047 048 private final int statusCode; 049 050 051 // - I - R e q u e s t - H a n d l e r -------------------------------------------- 052 053 054 public void detach( IRequestCycle requestCycle ) {} 055 056 057 public void respond( final IRequestCycle requestCycle ) 058 { 059 final WebResponse response = (WebResponse)requestCycle.getResponse(); 060 if( statusCode == 302 ) response.sendRedirect( location ); 061 else 062 { 063 response.setStatus( statusCode ); 064 response.setHeader( "Location", location ); 065 } 066 } 067 068 069 } 070 071 072}