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// BSDownloadTask.m |
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// BathyScaphe |
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// |
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// Created by Hori,Masaki on 06/08/06. |
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// Copyright 2006 BathyScaphe Project. All rights reserved. |
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// |
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#import "BSDownloadTask.h" |
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NSString *BSDownloadTaskFinishDownloadNotification = @"BSDownloadTaskFinishDownloadNotification"; |
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NSString *BSDownloadTaskReceiveResponceNotification = @"BSDownloadTaskReceiveResponceNotification"; |
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NSString *BSDownloadTaskCanceledNotification = @"BSDownloadTaskCanceledNotification"; |
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NSString *BSDownloadTaskInternalErrorNotification = @"BSDownloadTaskInternalErrorNotification"; |
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NSString *BSDownloadTaskAbortDownloadNotification = @"BSDownloadTaskAbortDownloadNotification"; |
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NSString *BSDownloadTaskServerResponseKey = @"BSDownloadTaskServerResponseKey"; // NSURLResponse |
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NSString *BSDownloadTaskStatusCodeKey = @"BSDownloadTaskStatusCodeKey"; // NSNumber (int) |
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NSString *BSDownloadTaskFailDownloadNotification = @"BSDownloadTaskFailDownloadNotification"; |
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@implementation BSDownloadTask |
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+ (id)taskWithURL:(NSURL *)url |
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{ |
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return [[[self alloc] initWithURL:url] autorelease]; |
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} |
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- (id) initWithURL:(NSURL *)url |
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{ |
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if(self = [super init]) { |
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// |
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[self setURL:url]; |
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} |
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return self; |
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} |
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+ (id)taskWithURL:(NSURL *)url method:(NSString *)method |
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{ |
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return [[[self alloc] initWithURL:url method:method] autorelease]; |
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} |
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- (id)initWithURL:(NSURL *)url method:(NSString *)inMethod |
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{ |
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if(self = [self initWithURL:url]) { |
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method = [inMethod retain]; |
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} |
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return self; |
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} |
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- (void)dealloc |
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{ |
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[self setURL:nil]; |
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[con release]; |
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[receivedData release]; |
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[method release]; |
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[_response release]; |
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[super dealloc]; |
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} |
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- (void)setURL:(NSURL *)url |
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{ |
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id temp = targetURL; |
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targetURL = [url retain]; |
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[temp release]; |
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} |
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- (NSURL *)url |
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{ |
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return targetURL; |
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} |
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- (void)setCurrentLength:(unsigned)i |
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{ |
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currentLength = i; |
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} |
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- (unsigned)currentLength |
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{ |
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return currentLength; |
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} |
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- (void)setContLength:(double)i |
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{ |
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contLength = i; |
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} |
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- (double)contLength |
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{ |
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return contLength; |
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} |
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- (NSData *)receivedData |
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{ |
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return receivedData; |
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} |
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- (void)setResponse:(id)response |
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{ |
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id temp = _response; |
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_response = [response retain]; |
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[temp release]; |
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} |
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- (id)response |
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{ |
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return _response; |
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} |
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- (void)createURLConnection:(id)request |
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{ |
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con = [[NSURLConnection alloc] initWithRequest:request |
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delegate:self]; |
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if(!con) { |
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[self postNotificationWithName:BSDownloadTaskInternalErrorNotification]; |
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return; |
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} |
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} |
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- (void) doExecuteWithLayout : (CMRThreadLayout *) layout |
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{ |
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NSRunLoop *loop = [NSRunLoop currentRunLoop]; |
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[receivedData release]; |
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receivedData = nil; |
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[self setCurrentLength:0]; |
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[self setContLength:0]; |
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NSMutableURLRequest *request; |
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request = [NSMutableURLRequest requestWithURL:[self url]]; |
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if(!request) { |
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[self postNotificationWithName:BSDownloadTaskInternalErrorNotification]; |
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return; |
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} |
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[request setValue:[NSBundle monazillaUserAgent] forHTTPHeaderField:@"User-Agent"]; |
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if(method) { |
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[request setHTTPMethod : method]; |
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} |
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con = [[NSURLConnection alloc] initWithRequest:request |
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delegate:self]; |
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if(!con) { |
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[self postNotificationWithName:BSDownloadTaskInternalErrorNotification]; |
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return; |
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} |
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while(!isFinished) { |
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id pool = [[NSAutoreleasePool alloc] init]; |
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@try { |
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[loop runMode:NSDefaultRunLoopMode |
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beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]]; |
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} |
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@catch(id ex) { |
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// do nothing. |
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@throw; |
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} |
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@finally { |
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[pool release]; |
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} |
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} |
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} |
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- (IBAction)cancel:(id)sender |
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{ |
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[con cancel]; |
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[self postNotificationWithName:BSDownloadTaskCanceledNotification]; |
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[super cancel:sender]; |
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} |
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#pragma mark- |
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- (id)identifier |
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{ |
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return [NSString stringWithFormat:@"%@-%p", self, self]; |
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} |
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- (NSString *)title |
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{ |
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return NSLocalizedStringFromTable(@"Download.", @"Downloader", @""); |
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} |
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- (NSString *) messageInProgress |
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{ |
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return [NSString stringWithFormat:NSLocalizedStringFromTable(@"Download url(%@) (%.1fk)", @"Downloader", @""), |
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[self url], [self currentLength] / 1024.0]; |
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} |
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- (double) amount |
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{ |
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if ([self contLength] == 0) return -1; |
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double rate = ((double)[self currentLength] / [self contLength]) * 100.0; |
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return rate >= 100.0 ? 100.0 : rate; |
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} |
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@end |
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@implementation BSDownloadTask(NSURLConnectionDelegate) |
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- (NSURLRequest *)connection:(NSURLConnection *)connection willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response; |
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{ |
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/* |
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if( [(NSHTTPURLResponse *)response statusCode] == 302 ) { |
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// dat��������� |
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[self postNotificaionWithResponse:response]; |
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} |
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*/ |
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[self setResponse:response]; |
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[self postNotificaionWithResponse:response]; |
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[connection cancel]; |
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return nil; |
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} |
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- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response |
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{ |
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BOOL disconnect = NO; |
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[self setResponse:response]; |
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switch([(NSHTTPURLResponse *)response statusCode]) { |
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case 200: |
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case 206: |
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break; |
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case 304: |
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NSLog(@"Contents is not modifiered."); |
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disconnect = YES; |
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break; |
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case 404: |
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NSLog(@"Contents has not found."); |
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disconnect = YES; |
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break; |
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case 416: |
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NSLog(@"Range is missmatch."); |
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disconnect = YES; |
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break; |
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default: |
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NSLog(@"Unknown error."); |
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disconnect = YES; |
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break; |
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} |
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if(disconnect) { |
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[connection cancel]; |
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[self postNotificaionWithResponse:response]; |
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return; |
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} |
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[self postNotificaionWithResponseDontFinish:response]; |
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[self setCurrentLength:0]; |
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[self setContLength:[response expectedContentLength]]; |
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} |
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- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data |
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{ |
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if(!receivedData) { |
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if(currentLength) { |
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receivedData = [[NSMutableData alloc] initWithCapacity:currentLength]; |
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} else { |
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receivedData = [[NSMutableData alloc] init]; |
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} |
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} |
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if(!receivedData) { |
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// abort |
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[connection cancel]; |
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[self postNotificationWithName:BSDownloadTaskInternalErrorNotification]; |
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return; |
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} |
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[receivedData appendData:data]; |
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[self setCurrentLength:[self currentLength] + [data length]]; |
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} |
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- (void)connectionDidFinishLoading:(NSURLConnection *)connection |
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{ |
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// NSLog(@"-->%@",[[[NSString alloc] initWithData:receivedData encoding:NSShiftJISStringEncoding] autorelease]); |
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[self postNotificationWithName:BSDownloadTaskFinishDownloadNotification]; |
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} |
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- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error |
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{ |
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// abort |
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[self postNotificationWithName:BSDownloadTaskFailDownloadNotification]; |
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} |
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@end |
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@implementation BSDownloadTask(TaskNotification) |
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- (void) postNotificationWithName:(NSString *)name |
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{ |
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NSNotificationCenter *nc_; |
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nc_ = [NSNotificationCenter defaultCenter]; |
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[nc_ postNotificationName : name |
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object : self]; |
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isFinished = YES; |
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} |
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- (void) postNotificaionWithResponse:(NSURLResponse *)response |
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{ |
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NSNotificationCenter *nc_; |
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NSDictionary *info; |
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nc_ = [NSNotificationCenter defaultCenter]; |
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info = [NSDictionary dictionaryWithObjectsAndKeys:response, BSDownloadTaskServerResponseKey, |
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[NSNumber numberWithInt:[(NSHTTPURLResponse *)response statusCode]], BSDownloadTaskStatusCodeKey, |
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nil]; |
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[nc_ postNotificationName : BSDownloadTaskAbortDownloadNotification |
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object : self |
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userInfo : info]; |
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isFinished = YES; |
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} |
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- (void) postNotificaionWithResponseDontFinish:(NSURLResponse *)response |
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{ |
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NSNotificationCenter *nc_; |
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NSDictionary *info; |
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nc_ = [NSNotificationCenter defaultCenter]; |
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info = [NSDictionary dictionaryWithObjectsAndKeys:response, BSDownloadTaskServerResponseKey, |
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[NSNumber numberWithInt:[(NSHTTPURLResponse *)response statusCode]], BSDownloadTaskStatusCodeKey, |
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nil]; |
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[nc_ postNotificationName : BSDownloadTaskReceiveResponceNotification |
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object : self |
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userInfo : info]; |
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} |
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@end |