79 lines
1.7 KiB
Matlab
79 lines
1.7 KiB
Matlab
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//
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// SUStatusChecker.m
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// Sparkle
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//
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// Created by Evan Schoenberg on 7/6/06.
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//
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#import "SUStatusChecker.h"
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#import "SUAppcast.h"
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#import "SUAppcastItem.h"
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@interface SUStatusChecker (Private)
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- (id)initForDelegate:(id<SUStatusCheckerDelegate>)inDelegate;
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- (void)checkForUpdatesAndNotify:(BOOL)verbosity;
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- (BOOL)newVersionAvailable;
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@end;
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@implementation SUStatusChecker
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+ (SUStatusChecker *)statusCheckerForDelegate:(id<SUStatusCheckerDelegate>)inDelegate;
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{
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SUStatusChecker *statusChecker = [[self alloc] initForDelegate:inDelegate];
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return [statusChecker autorelease];
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}
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- (id)initForDelegate:(id<SUStatusCheckerDelegate>)inDelegate
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{
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[super init];
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scDelegate = [inDelegate retain];
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[self checkForUpdatesAndNotify:NO];
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return self;
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}
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- (void)dealloc
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{
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[scDelegate release]; scDelegate = nil;
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[super dealloc];
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}
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- (void)applicationDidFinishLaunching:(NSNotification *)note
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{
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//Take no action when the application finishes launching
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}
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- (void)appcastDidFinishLoading:(SUAppcast *)ac
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{
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@try
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{
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if (!ac) { [NSException raise:@"SUAppcastException" format:@"Couldn't get a valid appcast from the server."]; }
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updateItem = [[ac newestItem] retain];
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[ac autorelease];
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if (![updateItem fileVersion])
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{
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[NSException raise:@"SUAppcastException" format:@"Can't extract a version string from the appcast feed. The filenames should look like YourApp_1.5.tgz, where 1.5 is the version number."];
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}
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[scDelegate statusChecker:self
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foundVersion:[updateItem fileVersion]
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isNewVersion:[self newVersionAvailable]];
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}
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@catch (NSException *e)
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{
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NSLog([e reason]);
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[scDelegate statusChecker:self foundVersion:nil isNewVersion:NO];
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}
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updateInProgress = NO;
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}
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@end
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