mirror of
https://github.com/gnustep/libs-gsweb.git
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44817b9a86
* GSWExtensions.framework/*.(h|m): changed gsweb include dir from gsweb/GSWeb.framework/ to GSWeb/ * GSWeb.framework/GNUmakefile: rewrite using framework.make * GSWeb.framework/*.(h|m): changed gsweb include dir from gsweb/GSWeb.framework/ to GSWeb/ * GSWeb.framework/GSWConstants.m: removed the frameworkd suffix. * GSWeb.framework/GSWUtils.m ([NSBundle +tmpAllFrameworks]): removed. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gsweb/trunk@7931 72102866-910b-0410-8b05-ffd578937521
517 lines
18 KiB
Objective-C
517 lines
18 KiB
Objective-C
/* GSWComponentRequestHandler.m - GSWeb: Class GSWComponentRequestHandler
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Copyright (C) 1999 Free Software Foundation, Inc.
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Written by: Manuel Guesdon <mguesdon@sbuilders.com>
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Date: Feb 1999
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This file is part of the GNUstep Web Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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static char rcsId[] = "$Id$";
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#include <GSWeb/GSWeb.h>
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//====================================================================
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@implementation GSWComponentRequestHandler
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//--------------------------------------------------------------------
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-(GSWResponse*)handleRequest:(GSWRequest*)request_
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{
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//OK
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GSWResponse* _response=nil;
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GSWApplication* _application=[GSWApplication application];
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LOGObjectFnStart();
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[_application lockRequestHandling];
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_response=[self lockedHandleRequest:request_];
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if (!_response)
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{
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_response=[GSWResponse responseWithMessage:@"Component Handle request failed"
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inContext:nil
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forRequest:request_];
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[_response _finalizeInContext:nil]; //DO Call _finalizeInContext: !
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};
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[_application unlockRequestHandling];
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NSDebugMLLog(@"requests",@"_response=%@",_response);
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LOGObjectFnStop();
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return _response;
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};
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//--------------------------------------------------------------------
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-(GSWResponse*)lockedHandleRequest:(GSWRequest*)request_
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{
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//OK
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GSWStatisticsStore* _statisticsStore=nil;
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GSWApplication* _application=[GSWApplication application];
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GSWContext* _context=nil;
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GSWResponse* _response=nil;
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NSDictionary* _requestHandlerValues=nil;
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NSString* _senderID=nil;
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BOOL _exceptionRaised=NO;
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LOGObjectFnStart();
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NS_DURING
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{
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_requestHandlerValues=[GSWComponentRequestHandler _requestHandlerValuesForRequest:request_];
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}
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NS_HANDLER
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{
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_exceptionRaised=YES;
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LOGException(@"%@ (%@)",
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localException,
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[localException reason]);
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localException=ExceptionByAddingUserInfoObjectFrameInfo0(localException,@"In -lockedHandleRequest:");
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LOGException(@"exception=%@",localException);
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[_application awake];
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_response=[_application handleException:localException
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inContext:nil];
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[_application sleep];
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[_response _finalizeInContext:_context];//DO Call _finalizeInContext: !
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NSAssert(!_response || [_response isFinalizeInContextHasBeenCalled],@"_finalizeInContext not called for GSWResponse");
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};
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NS_ENDHANDLER;
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if (!_exceptionRaised)
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{
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NSDebugMLLog(@"requests",@"_requestHandlerValues=%@",_requestHandlerValues);
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_statisticsStore=[[GSWApplication application]statisticsStore];
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NSDebugMLLog(@"requests",@"_statisticsStore=%@",_statisticsStore);
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[_statisticsStore _applicationWillHandleComponentActionRequest];
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_context=[GSWContext contextWithRequest:request_];
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_senderID=[_requestHandlerValues objectForKey:GSWKey_ElementID];
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NSDebugMLLog(@"requests",@"AA _senderID=%@",_senderID);
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[_context _setSenderID:_senderID];
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[_application _setContext:_context];
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NS_DURING
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{
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[_application awake];
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_response=[self lockedDispatchWithPreparedApplication:_application
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inContext:_context
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elements:_requestHandlerValues];
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}
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NS_HANDLER
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{
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_exceptionRaised=YES;
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LOGException(@"%@ (%@)",
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localException,
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[localException reason]);
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localException=ExceptionByAddingUserInfoObjectFrameInfo0(localException,@"In lockedDispatchWithPreparedApplication");
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LOGException(@"exception=%@",localException);
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_response=[_application handleException:localException
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inContext:_context];
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[_application sleep];
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[_response _finalizeInContext:_context]; //DO Call _finalizeInContext: !
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NSAssert(!_response || [_response isFinalizeInContextHasBeenCalled],@"_finalizeInContext not called for GSWResponse");
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};
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NS_ENDHANDLER;
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if (!_exceptionRaised)
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{
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NS_DURING
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{
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[_application sleep];
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[_response _finalizeInContext:_context];
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}
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NS_HANDLER
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{
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LOGException(@"%@ (%@)",
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localException,
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[localException reason]);
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localException=ExceptionByAddingUserInfoObjectFrameInfo0(localException,
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@"In [application sleep] or [_response _finalizeInContext:_context]");
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LOGException(@"exception=%@",localException);
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_response=[_application handleException:localException
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inContext:nil];
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[_response _finalizeInContext:_context]; //DO Call _finalizeInContext: !
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NSAssert(!_response || [_response isFinalizeInContextHasBeenCalled],@"_finalizeInContext not called for GSWResponse");
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};
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NS_ENDHANDLER;
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};
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};
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[_application _setContext:nil];
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_statisticsStore=[[GSWApplication application] statisticsStore];
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[_statisticsStore _applicationDidHandleComponentActionRequest];
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NSDebugMLLog(@"requests",@"_response=%@",_response);
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LOGObjectFnStop();
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return _response;
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};
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//--------------------------------------------------------------------
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-(GSWResponse*)lockedDispatchWithPreparedApplication:(GSWApplication*)_application
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inContext:(GSWContext*)_context
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elements:(NSDictionary*)_elements
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{
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//OK
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GSWResponse* _response=nil;
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GSWResponse* _errorResponse=nil;
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GSWSession* _session=nil;
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NSString* _sessionID=nil;
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LOGObjectFnStart();
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NS_DURING
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{
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_sessionID=[_elements objectForKey:GSWKey_SessionID];
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NSDebugMLLog(@"requests",@"_sessionID=%@",_sessionID);
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if (_sessionID)
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{
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_session=[_application restoreSessionWithID:_sessionID
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inContext:_context];
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if (!_session)
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{
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_errorResponse=[_application handleSessionRestorationErrorInContext:_context];
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};
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}
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else
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_session=[_application _initializeSessionInContext:_context];
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}
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NS_HANDLER
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{
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localException=ExceptionByAddingUserInfoObjectFrameInfo0(localException,@"in session create/restore");
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LOGException(@"exception=%@",localException);
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_errorResponse=[_application handleException:localException
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inContext:_context];
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}
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NS_ENDHANDLER;
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if (!_response && !_errorResponse)
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{
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if (_session)
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{
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NSDebugMLLog(@"requests",@"_session=%@",_session);
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NS_DURING
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{
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_response=[self lockedDispatchWithPreparedSession:_session
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inContext:_context
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elements:_elements];
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}
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NS_HANDLER
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{
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localException=ExceptionByAddingUserInfoObjectFrameInfo0(localException,@"in lockedDispatchWithPreparedSession");
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LOGException(@"exception=%@",localException);
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_errorResponse=[_application handleException:localException
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inContext:_context];
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}
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NS_ENDHANDLER;
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};
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};
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if (_response || _errorResponse)
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{
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NSDebugMLLog(@"requests",@"_response=%@",_response);
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NSDebugMLLog(@"requests",@"_errorResponse=%@",_errorResponse);
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RETAIN(_response);
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[_context _putAwakeComponentsToSleep];
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[_application saveSessionForContext:_context];
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NSDebugMLLog(@"requests",@"_session=%@",_session);
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NSDebugMLLog(@"requests",@"_sessionCount=%u",[_session retainCount]);
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NSDebugMLLog(@"requests",@"_response=%@",_response);
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AUTORELEASE(_response);
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};
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LOGObjectFnStop();
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return _response ? _response : _errorResponse;
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};
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//--------------------------------------------------------------------
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-(GSWResponse*)lockedDispatchWithPreparedSession:(GSWSession*)_session
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inContext:(GSWContext*)_context
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elements:(NSDictionary*)_elements
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{
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//OK
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GSWResponse* _errorResponse=nil;
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GSWResponse* _response=nil;
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GSWComponent* _page=nil;
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BOOL _storesIDsInCookies=NO;
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NSString* _contextID=nil;
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LOGObjectFnStart();
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NSDebugMLLog(@"requests",@"_session=%@",_session);
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NSDebugMLLog(@"requests",@"_context=%@",_context);
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_storesIDsInCookies=[_session storesIDsInCookies]; //For What ?
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_contextID=[_elements objectForKey:GSWKey_ContextID];
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if (_contextID) // ??
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{
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NSAssert([_contextID length]>0,@"contextID empty");
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_page=[self lockedRestorePageForContextID:_contextID
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inSession:_session];
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//??
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NSDebugMLLog(@"requests",@"_contextID=%@",_contextID);
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NSDebugMLLog(@"requests",@"_session=%@",_session);
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NSDebugMLLog(@"requests",@"_page=%@",_page);
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if (!_page)
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{
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GSWApplication* _application=[_session application];
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_errorResponse=[_application handlePageRestorationErrorInContext:_context];
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};
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}
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else
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{
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NSString* _pageName=[_elements objectForKey:GSWKey_PageName];
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NSException* _exception=nil;
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NS_DURING
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{
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_page=[[GSWApplication application] pageWithName:_pageName
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inContext:_context];
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}
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NS_HANDLER
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{
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localException=ExceptionByAddingUserInfoObjectFrameInfo0(localException,@"In pageWithName");
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LOGException(@"exception=%@",localException);
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ASSIGN(_exception,localException);
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}
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NS_ENDHANDLER;
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if (!_page)
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{
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_errorResponse=[[GSWApplication application] handleException:_exception
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inContext:_context];
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};
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DESTROY(_exception);
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};
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if (!_response && !_errorResponse && _page)
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{
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[_context _setPageElement:_page];
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_response=[self lockedDispatchWithPreparedPage:_page
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inSession:_session
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inContext:_context
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elements:_elements];
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};
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if (_response)
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{
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BOOL _isPageRefreshOnBacktrackEnabled=[[GSWApplication application] isPageRefreshOnBacktrackEnabled];
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//TODO method adds a header to the HTTP response. This header sets the expiration date for an HTML page to the date and time of the creation of the page. Later, when the browser checks its cache for this page, it finds that the page is no longer valid and so refetches it by resubmitting the request URL to the WebObjects application.
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[_session _saveCurrentPage];
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if (!_contextID) // ??
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{
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if (![_session storesIDsInCookies])//??
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[_session clearCookieFromResponse:_response];
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};
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};
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NSDebugMLLog(@"requests",@"_response=%@",_response);
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LOGObjectFnStop();
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return _response ? _response : _errorResponse;
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};
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//--------------------------------------------------------------------
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-(GSWResponse*)lockedDispatchWithPreparedPage:(GSWComponent*)_component
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inSession:(GSWSession*)_session
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inContext:(GSWContext*)_context
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elements:(NSDictionary*)_elements
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{
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//OK
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GSWRequest* _request=nil;
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GSWResponse* _response=nil;
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GSWResponse* _errorResponse=nil;
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NSString* _senderID=nil;
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NSString* _contextID=nil;
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NSString* _httpVersion=nil;
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GSWElement* _page=nil;
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GSWElement* _responsePage=nil;
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BOOL _isFromClientComponent=NO;
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BOOL _hasFormValues=NO;
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GSWContext* _responseContext=nil;
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GSWComponent* _responsePageElement=nil;
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GSWRequest* _responseRequest=nil;
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LOGObjectFnStart();
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NSDebugMLLog(@"requests",@"_component=%@",_component);
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_request=[_context request];
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_contextID=[_elements objectForKey:GSWKey_ContextID];
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NSDebugMLLog(@"requests",@"_contextID=%@",_contextID);
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_response=[[GSWResponse new]autorelease];
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NSDebugMLLog(@"requests",@"_response=%@",_response);
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NSDebugMLLog(@"requests",@"_session=%@",_session);
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NSDebugMLLog(@"requests",@"_context=%@",_context);
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_senderID=[_context senderID];
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NSDebugMLLog(@"requests",@"AA _senderID=%@",_senderID);
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//TODO
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{
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GSWContext* _matchedContext=[_session _contextIDMatchingContextID:_contextID
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requestSenderID:_senderID];
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}
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_httpVersion=[_request httpVersion];
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[_response setHTTPVersion:_httpVersion];
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[_response setHeader:@"text/html"
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forKey:@"content-type"];
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[_context _setResponse:_response];
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_page=[_context page];
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if (_contextID)//??
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{
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_hasFormValues=[_request _hasFormValues];
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}
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else
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{
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[_context _setPageChanged:NO];
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_isFromClientComponent=[_request isFromClientComponent];
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//??
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[_context _setPageReplaced:NO];
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_isFromClientComponent=[_request isFromClientComponent];
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};
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if (_hasFormValues)
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{
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NSDebugMLLog(@"requests",@"Before takeValues [_context elementID]=%@",[_context elementID]);
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NSAssert([[_context elementID] length]==0,@"1 lockedDispatchWithPreparedPage elementID length>0");
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[[GSWApplication application] takeValuesFromRequest:_request
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inContext:_context];
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NSDebugMLLog(@"requests",@"After takeValues[_context elementID]=%@",[_context elementID]);
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if (![[_context elementID] length]==0)
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{
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LOGSeriousError0(@"2 lockedDispatchWithPreparedPage elementID length>0");
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[_context deleteAllElementIDComponents];//NDFN
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};
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[_context _setPageChanged:NO];//???
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_isFromClientComponent=[_request isFromClientComponent];
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[_context _setPageReplaced:NO];
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};
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if (_senderID) //??
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{
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BOOL _pageChanged=NO;
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NSException* _exception=nil;
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NSDebugMLLog(@"requests",@"Before invokeAction [_context elementID]=%@",[_context elementID]);
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NSAssert([[_context elementID] length]==0,@"3 lockedDispatchWithPreparedPage elementID length>0");
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// Exception catching here ?
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NS_DURING
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{
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_responsePage=[[GSWApplication application] invokeActionForRequest:_request
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inContext:_context];
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NSDebugMLLog(@"requests",@"After invokeAction [_context elementID]=%@",[_context elementID]);
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NSAssert([[_context elementID] length]==0,@"4 lockedDispatchWithPreparedPage elementID length>0");
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}
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NS_HANDLER
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{
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LOGException0(@"exception in invokeActionForRequest");
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LOGException(@"exception=%@",localException);
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localException=ExceptionByAddingUserInfoObjectFrameInfo(localException,
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@"In invokeActionForRequest component=%@ of Class %@",
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[_component name],
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[_component class]);
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LOGException(@"exception=%@",localException);
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ASSIGN(_exception,localException);
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if (!_responsePage)
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{
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_errorResponse=[[GSWApplication application] handleException:_exception
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inContext:_context];
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};
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DESTROY(_exception);
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}
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NS_ENDHANDLER;
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// [_context deleteAllElementIDComponents];//NDFN
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NSDebugMLLog(@"requests",@"_responsePage=%@",_responsePage);
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if (_errorResponse)
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{
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_response=_errorResponse;
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_responseContext=_context;
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}
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else
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{
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if (!_responsePage)
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_responsePage=_page;
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_responseContext=[(GSWComponent*)_responsePage context];//So what ?
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NSDebugMLLog(@"requests",@"_responseContext=%@",_responseContext);
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[_responseContext _setPageReplaced:NO];
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_responsePageElement=[_responseContext _pageElement];
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NSDebugMLLog(@"requests",@"_responsePageElement=%@",_responsePageElement);
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_pageChanged=(_responsePage!=_responsePageElement);
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[_responseContext _setPageChanged:_pageChanged];//??
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if (_pageChanged)
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{
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[_responseContext _setPageElement:_responsePage];
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};
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_responseRequest=[_responseContext request];//SoWhat ?
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[_responseRequest isFromClientComponent];//SoWhat
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};
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}
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else
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{
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_responseContext=_context;
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_responsePageElement=_page;
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_responsePage=_component;
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_responseRequest=_request;
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};
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if (!_errorResponse)
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{
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NS_DURING
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{
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NSDebugMLLog(@"requests",@"_response before appendToResponse=%@",_response);
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NSDebugMLLog(@"requests",@"_responseContext=%@",_responseContext);
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NSAssert([[_context elementID] length]==0,@"5 lockedDispatchWithPreparedPage elementID length>0");
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NSDebugMLLog(@"requests",@"Before appendToResponse [_context elementID]=%@",[_context elementID]);
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[[GSWApplication application] appendToResponse:_response
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inContext:_responseContext];
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NSDebugMLLog(@"requests",@"After appendToResponse [_context elementID]=%@",[_context elementID]);
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NSAssert([[_context elementID] length]==0,@"6 lockedDispatchWithPreparedPage elementID length>0");
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_responseRequest=[_responseContext request];//SoWhat ?
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[_responseRequest isFromClientComponent];//SoWhat
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}
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NS_HANDLER
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{
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localException=ExceptionByAddingUserInfoObjectFrameInfo(localException,
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@"In appendToResponse page=%@ of Class %@",
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[_page name],
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[_page class]);
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LOGException(@"exception=%@",localException);
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NSDebugMLLog(@"requests",@"context=%@",_context);
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_errorResponse=[[GSWApplication application] handleException:localException
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inContext:_context];
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}
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NS_ENDHANDLER;
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};
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NSDebugMLLog(@"requests",@"_response=%@",_response);
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LOGObjectFnStop();
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return _errorResponse ? _errorResponse : _response;
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};
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//--------------------------------------------------------------------
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-(GSWComponent*)lockedRestorePageForContextID:(NSString*)_contextID
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inSession:(GSWSession*)_session
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{
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//OK
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GSWComponent* _page=[_session restorePageForContextID:_contextID];
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return _page;
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};
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@end
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//====================================================================
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@implementation GSWComponentRequestHandler (GSWRequestHandlerClassA)
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//--------------------------------------------------------------------
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+(id)handler
|
|
{
|
|
return [[GSWComponentRequestHandler new] autorelease];
|
|
};
|
|
|
|
//--------------------------------------------------------------------
|
|
+(NSDictionary*)_requestHandlerValuesForRequest:(GSWRequest*)request_
|
|
{
|
|
//OK
|
|
NSDictionary* _values=nil;
|
|
LOGClassFnStart();
|
|
NS_DURING
|
|
{
|
|
_values=[request_ uriOrFormOrCookiesElements];
|
|
}
|
|
NS_HANDLER
|
|
{
|
|
LOGException(@"%@ (%@)",
|
|
localException,
|
|
[localException reason]);
|
|
localException=ExceptionByAddingUserInfoObjectFrameInfo0(localException,@"In +_requestHandlerValuesForRequest:");
|
|
LOGException(@"exception=%@",localException);
|
|
[localException raise];
|
|
};
|
|
NS_ENDHANDLER;
|
|
LOGClassFnStop();
|
|
return _values;
|
|
};
|
|
|
|
|
|
@end
|
|
|