/* Copyright (C) 2002-2004 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. */ #include "OFSFileRenderer.h" #include "OFSFile.h" #include #include #include #include "NSException+HTTP.h" #include "common.h" @interface OFSFile(Render) - (id)davContentLength; - (NSDate *)davLastModified; @end @implementation OFSFileRenderer static NSTimeZone *gmt = nil; + (void)initialize { gmt = [[NSTimeZone timeZoneWithAbbreviation:@"GMT"] retain]; } + (id)sharedRenderer { static OFSFileRenderer *singleton = nil; if (singleton == nil) singleton = [[OFSFileRenderer alloc] init]; return singleton; } /* rendering */ - (NSException *)renderHeadOfObject:(id)_object inContext:(WOContext *)_ctx { WOResponse *r; id tmp; r = [_ctx response]; /* render headers */ if ((tmp = [_object contentTypeInContext:_ctx])) [r setHeader:tmp forKey:@"content-type"]; if ((tmp = [_object davContentLength])) [r setHeader:tmp forKey:@"content-length"]; if ((tmp = [_object davLastModified])) { NSCalendarDate *date; #if COCOA_Foundation_LIBRARY date = [[NSCalendarDate alloc] initWithTimeIntervalSinceReferenceDate: [tmp timeIntervalSinceReferenceDate]]; #else date = [[NSCalendarDate alloc] initWithTimeIntervalSince1970: [tmp timeIntervalSince1970]]; #endif [date setTimeZone:gmt]; // "Tue, 10 Jul 2001 14:09:06 GMT" tmp = [date descriptionWithCalendarFormat:@"%a, %d %b %Y %H:%M:%S GMT"]; [date release]; [r setHeader:tmp forKey:@"last-modified"]; } return nil; } - (NSException *)renderBodyOfObject:(id)_object inContext:(WOContext *)_ctx { WOResponse *r; NSData *content; NSString *storePath; id fm; fm = [_object fileManager]; storePath = [_object storagePath]; content = [fm contentsAtPath:storePath]; /* some error handling */ if (content == nil) { // TODO: should render exception ? if ([fm respondsToSelector:@selector(lastException)]) return (id)[fm lastException]; return [NSException exceptionWithHTTPStatus:404 /* not found */]; } /* render body */ r = [_ctx response]; [r setContent:content]; return nil; } - (NSException *)renderObject:(id)_object inContext:(WOContext *)_ctx { NSException *e; if ((e = [self renderHeadOfObject:_object inContext:_ctx])) return e; if (![[[_ctx request] method] isEqualToString:@"HEAD"]) { if ((e = [self renderBodyOfObject:_object inContext:_ctx])) return e; } return nil; } - (BOOL)canRenderObject:(id)_object inContext:(WOContext *)_ctx { return [_object isKindOfClass:[OFSFile class]]; } @end /* OFSFileRenderer */