/* Copyright (C) 2000-2004 SKYRIX Software AG This file is part of OpenGroupware.org. OGo is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. OGo is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with OGo; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ // $Id$ #include #include "WORequestHandler+private.h" #include "WOContext+private.h" #include "WOComponent+private.h" #include "WOApplication+private.h" #include #include #include #include #include #include "common.h" NSString *OWAppDidRefuseSessionName = @"OWAppDidRefuseSession"; static BOOL perflog = NO; //#define USE_POOLS 1 #if USE_POOLS # warning extensive pools are enabled ... #endif @implementation OWViewRequestHandler + (int)version { return [super version] + 0 /* 2 */; } + (void)initialize { NSAssert2([super version] == 2, @"invalid superclass (%@) version %i !", NSStringFromClass([self superclass]), [super version]); perflog = [[NSUserDefaults standardUserDefaults] boolForKey:@"OWViewRequestHandlerProfile"]; } - (NSString *)loggingPrefix { return @"[ow-handler]"; } - (id)init { //NSLog(@"DEPRECATED: OWViewRequestHandler is being allocated ..."); return [super init]; } - (WOResponse *)runTransactionWithContext:(WOContext *)_ctx { WOApplication *app = nil; WOSession *sn = nil; WOResponse *response = nil; id result; app = [_ctx application]; sn = [_ctx session]; NSAssert(_ctx != nil, @"no context available"); NSAssert(sn != nil, @"no session available"); NSAssert(app != nil, @"no application available in context"); /* take request values */ [app takeValuesFromRequest:[_ctx request] inContext:_ctx]; /* invoke action */ result = [app invokeActionForRequest:[_ctx request] inContext:_ctx]; /* check whether there is an page set at all ! */ if ([_ctx page] == nil) { /* no page is set yet, load Main .. */ WOComponent *mainPage; if ((mainPage = [app pageWithName:nil inContext:_ctx])) { [_ctx setPage:mainPage]; [mainPage _awakeWithContext:_ctx]; } } /* make response */ if ((result == nil) || [result isKindOfClass:[WOComponent class]]) { /* determine the response page */ if (result == nil) { /* make the request page the response page */ if ((result = [_ctx page]) == nil) { /* no request page (probably the first request) */ result = [app pageWithName:nil inContext:_ctx]; [(id)result _awakeWithContext:_ctx]; [_ctx setPage:(WOComponent *)result]; } } response = [self generateResponseForComponent:(WOComponent *)result inContext:_ctx application:app]; /* save page in session */ if ([_ctx savePageRequired]) { [sn savePage:[_ctx page]]; #if DEBUG && 0 [self logWithFormat:@"saved page ..."]; #endif } #if DEBUG && 0 else { [self logWithFormat:@"no save page required ..."]; } #endif } else { /* generate response from WOActionResult */ if ([result respondsToSelector:@selector(generateResponse)]) { [app debugWithFormat:@"generating response for result .."]; response = [result generateResponse]; } else { [app logWithFormat: @"action result (class=%@) doesn't conform to " @"WOActionResult protocol !", NSStringFromClass([result class])]; response = [[WOResponse alloc] init]; [response setStatus:200]; [response appendContentString:@"
"];
      [response appendContentHTMLString:
                  @"ERROR:\n"
                  @"Result of action doesn't conform to WOActionResult "
                  @"protocol:\n---\n"
                  @"Content-Class: "];
      [response appendContentHTMLString:
                   [NSStringFromClass([result class]) description]];
      [response appendContentHTMLString:@"\nContent:\n"];
      [response appendContentHTMLString:[result description]];
      [response appendContentString:@"
\n"]; AUTORELEASE(response); } } [_ctx sleepComponents]; return response; } - (NSString *)sessionIDFromRequest:(WORequest *)_request application:(WOApplication *)_app { NSString *sessionId = nil; id tmp; if ((tmp = [_request formValueForKey:WORequestValueSenderID]) == nil) { if ([[_request requestHandlerPath] length] > 0) { /* traditional style URLs */ NSArray *spath; spath = [_request requestHandlerPathArray]; if ([spath count] > 0) sessionId = [spath objectAtIndex:0]; } } if ([sessionId length] == 0) sessionId = [_app sessionIDFromRequest:_request]; return sessionId; } - (BOOL)autocreateSessionForRequest:(WORequest *)_request { /* autocreate a session if none was restored */ return YES; } - (BOOL)requiresSessionForRequest:(WORequest *)_request { /* _ensure_ that a session is available */ return YES; } - (WOResponse *)handleRequest:(WORequest *)_request inContext:(WOContext *)context session:(WOSession *)session application:(WOApplication *)app { NSString *requestContextID; WOResponse *response; WOComponent *requestComponent; NSString *cid; NSTimeInterval startRunTx = 0.0; id tmp; *(&requestContextID) = nil; *(&response) = nil; *(&requestComponent) = nil; NSAssert(session, @"no session given !"); /* parse handler path (URL) The format is: session/context-id.element-id or pageName?_i=context-id.element-id&wosid=session&_c=context-id */ if ((tmp = [_request formValueForKey:WORequestValueSenderID])) { /* new query-para style URL */ [context setRequestSenderID:tmp]; if ((tmp = [_request formValueForKey:WORequestValueContextID])) requestContextID = tmp; else requestContextID = [context currentElementID]; } else if ([[_request requestHandlerPath] length] > 0) { /* traditional style URLs */ NSArray *spath; spath = [_request requestHandlerPathArray]; if ([spath count] > 1) { [context setRequestSenderID:[spath objectAtIndex:1]]; requestContextID = [context currentElementID]; } // at idx 0 => sessionId } /* determine request component */ if ([[self sessionIDFromRequest:_request application:app] isEqualToString:[session sessionID]]) cid = [context currentElementID]; else /* the session is different, was autocreated ... */ cid = nil; if ((session != nil) && ([cid length] > 0)) { requestComponent = [session restorePageForContextID:cid]; if (requestComponent == nil) { /* could not restore page ... */ response = [app handlePageRestorationErrorInContext:context]; if (response) { [self logWithFormat: @"returning because of page restoration error ..."]; return response; } } } if (requestComponent) { [context setPage:requestComponent]; [requestComponent _awakeWithContext:context]; } /* run transaction */ if (perflog) startRunTx = [[NSDate date] timeIntervalSince1970]; response = [self runTransactionWithContext:context]; if (perflog) { NSTimeInterval rt; rt = [[NSDate date] timeIntervalSince1970] - startRunTx; [self logWithFormat:@"running tx took %4.3fs.", rt < 0.0 ? -1.0 : rt]; } return response; } @end /* OWViewRequestHandler */