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Skeletal implementation of new URL laoding scheme
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@23065 72102866-910b-0410-8b05-ffd578937521
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rfm
parent
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commit
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33 changed files with 5024 additions and 28 deletions
279
Source/NSURLDownload.m
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279
Source/NSURLDownload.m
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/* Implementation for NSURLDownload for GNUstep
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Copyright (C) 2006 Software Foundation, Inc.
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Written by: Richard Frith-Macdonald <frm@gnu.org>
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Date: 2006
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This file is part of the GNUstep Base 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., 51 Franklin Street, Fifth Floor,
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Boston, MA 02111 USA.
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*/
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#include "GSURLPrivate.h"
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@interface GSURLDownload : NSObject <NSURLProtocolClient>
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{
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@public
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NSURLDownload *_parent; // Not retained
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NSURLRequest *_request;
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NSURLProtocol *_protocol;
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NSData *_resumeData;
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NSString *_path;
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id _delegate;
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BOOL _deletesFileUponFailure;
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BOOL _allowOverwrite;
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}
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@end
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typedef struct {
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@defs(NSURLDownload)
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} priv;
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#define this ((GSURLDownload*)(((priv*)self)->_NSURLDownloadInternal))
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#define inst ((GSURLDownload*)(((priv*)o)->_NSURLDownloadInternal))
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@implementation NSURLDownload
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+ (id) allocWithZone: (NSZone*)z
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{
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NSURLDownload *o = [super allocWithZone: z];
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if (o != nil)
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{
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o->_NSURLDownloadInternal
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= NSAllocateObject([GSURLDownload class], 0, z);
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inst->_parent = o;
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}
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return o;
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}
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+ (BOOL) canResumeDownloadDecodedWithEncodingMIMEType: (NSString *)MIMEType
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{
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return NO; // FIXME
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}
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- (void) dealloc
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{
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RELEASE(this);
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[super dealloc];
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}
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- (void) cancel
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{
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[this->_protocol stopLoading];
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DESTROY(this->_protocol);
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// FIXME
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}
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- (BOOL) deletesFileUponFailure
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{
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return this->_deletesFileUponFailure;
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}
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- (id) initWithRequest: (NSURLRequest *)request delegate: (id)delegate
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{
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NSData *resumeData = nil;
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// FIXME ... build resume data from request.
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return [self initWithResumeData: resumeData delegate: delegate path: nil];
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}
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- (id) initWithResumeData: (NSData *)resumeData
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delegate: (id)delegate
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path: (NSString *)path
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{
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if ((self = [super init]) != nil)
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{
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this->_resumeData = [resumeData copy];
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this->_delegate = [delegate retain];
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this->_path = [path copy];
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// FIXME ... start connection
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}
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return self;
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}
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- (NSURLRequest *) request
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{
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return this->_request;
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}
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- (NSData *) resumeData
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{
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return nil; // FIXME
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}
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- (void) setDeletesFileUponFailure: (BOOL)deletesFileUponFailure
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{
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this->_deletesFileUponFailure = deletesFileUponFailure;
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}
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- (void) setDestination: (NSString *)path allowOverwrite: (BOOL)allowOverwrite
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{
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ASSIGN(this->_path, path);
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this->_allowOverwrite = allowOverwrite;
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}
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@end
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@implementation NSObject (NSURLDownloadDelegate)
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- (void) downloadDidBegin: (NSURLDownload *)download
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{
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}
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- (void) downloadDidFinish: (NSURLDownload *)download
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{
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}
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- (void) download: (NSURLDownload *)download
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decideDestinationWithSuggestedFilename: (NSString *)filename
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{
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}
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- (void) download: (NSURLDownload *)download
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didCancelAuthenticationChallenge: (NSURLAuthenticationChallenge *)challenge
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{
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}
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- (void) download: (NSURLDownload *)download
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didCreateDestination: (NSString *)path
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{
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}
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- (void) download: (NSURLDownload *)download didFailWithError: (NSError *)error
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{
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}
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- (void) download: (NSURLDownload *)download
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didReceiveAuthenticationChallenge: (NSURLAuthenticationChallenge *)challenge
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{
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}
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- (void) download: (NSURLDownload *)download
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didReceiveDataOfLength: (unsigned)length
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{
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}
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- (void) download: (NSURLDownload *)download
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didReceiveResponse: (NSURLResponse *)response
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{
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}
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- (BOOL) download: (NSURLDownload *)download
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shouldDecodeSourceDataOfMIMEType: (NSString *)encodingType
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{
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return NO;
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}
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- (void) download: (NSURLDownload *)download
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willResumeWithResponse: (NSURLResponse *)response
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fromByte: (long long)startingByte
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{
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}
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- (NSURLRequest *) download: (NSURLDownload *)download
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willSendRequest: (NSURLRequest *)request
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redirectResponse: (NSURLResponse *)redirectResponse
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{
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return request;
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}
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@end
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@implementation GSURLDownload
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- (void) dealloc
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{
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RELEASE(_protocol);
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RELEASE(_resumeData);
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RELEASE(_request);
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RELEASE(_delegate);
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RELEASE(_path);
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[super dealloc];
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}
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- (void) URLProtocol: (NSURLProtocol *)protocol
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cachedResponseIsValid: (NSCachedURLResponse *)cachedResponse
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{
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}
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- (void) URLProtocol: (NSURLProtocol *)protocol
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didFailWithError: (NSError *)error
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{
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[_delegate download: _parent didFailWithError: error];
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}
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- (void) URLProtocol: (NSURLProtocol *)protocol
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didLoadData: (NSData *)data
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{
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}
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- (void) URLProtocol: (NSURLProtocol *)protocol
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didReceiveAuthenticationChallenge: (NSURLAuthenticationChallenge *)challenge
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{
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[_delegate download: _parent didReceiveAuthenticationChallenge: challenge];
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}
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- (void) URLProtocol: (NSURLProtocol *)protocol
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didReceiveResponse: (NSURLResponse *)response
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cacheStoragePolicy: (NSURLCacheStoragePolicy)policy
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{
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[_delegate download: _parent didReceiveResponse: response];
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if (policy == NSURLCacheStorageAllowed
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|| policy == NSURLCacheStorageAllowedInMemoryOnly)
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{
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// FIXME ... cache response here
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}
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}
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- (void) URLProtocol: (NSURLProtocol *)protocol
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wasRedirectedToRequest: (NSURLRequest *)request
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redirectResponse: (NSURLResponse *)redirectResponse
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{
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request = [_delegate download: _parent
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willSendRequest: request
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redirectResponse: redirectResponse];
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// If we have been cancelled, our protocol will be nil
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if (_protocol != nil)
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{
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if (request == nil)
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{
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[_delegate downloadDidFinish: _parent];
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}
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else
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{
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DESTROY(_protocol);
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// FIXME start new request loading
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}
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}
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}
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- (void) URLProtocolDidFinishLoading: (NSURLProtocol *)protocol
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{
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[_delegate downloadDidFinish: _parent];
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}
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- (void) URLProtocol: (NSURLProtocol *)protocol
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didCancelAuthenticationChallenge: (NSURLAuthenticationChallenge *)challenge
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{
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[_delegate download: _parent didCancelAuthenticationChallenge: challenge];
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}
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@end
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