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Viewing changes to musicstreaming/utilities/operations/AbstractNetworkOperation.m

  • Committer: Jason Foreman
  • Date: 2011-06-16 18:33:42 UTC
  • mfrom: (191.1.60 master)
  • Revision ID: jason.foreman@canonical.com-20110616183342-vl7a4804xsf0s1b5
Merging branches for v 2.0.

lp:~threeve/ubuntuone-ios-client/master
lp:~urbanape/ubuntuone-ios-client/downloader

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musicstreaming/utilities/operations/AbstractNetworkOperation.m
 
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//
 
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//  AbstractNetworkOperation.m
 
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//  iSub
 
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//
 
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//  Created by Aaron Brethorst on 5/12/11.
 
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//  Copyright 2011 Canonical. All rights reserved.
 
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//
 
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#import "AbstractNetworkOperation.h"
 
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#import "UONetworkStatusCoordinator.h"
 
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@interface AbstractNetworkOperation ()
 
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- (void)finish;
 
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@end
 
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@implementation AbstractNetworkOperation
 
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@synthesize url = _url;
 
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@synthesize statusCode = _statusCode;
 
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@synthesize error = _error;
 
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@synthesize isExecuting = _isExecuting;
 
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@synthesize isFinished = _isFinished;
 
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- (id)initWithUrl:(NSURL *)url
 
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{
 
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    self = [super init];
 
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    if (self == nil)
 
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        return nil;
 
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    _url = [url copy];
 
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    _isExecuting = NO;
 
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    _isFinished = 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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    [_url release];
 
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    [_connection release];
 
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    [_error release];
 
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    [super dealloc];
 
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}
 
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- (BOOL)isConcurrent
 
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{
 
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    return YES;
 
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}
 
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- (void)start
 
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{
 
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    if (![NSThread isMainThread])
 
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    {
 
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        [self performSelectorOnMainThread:@selector(start) withObject:nil waitUntilDone:NO];
 
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        return;
 
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    }
 
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    NSLog(@"operation for <%@> started.", _url);
 
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    [self willChangeValueForKey:@"isExecuting"];
 
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    _isExecuting = YES;
 
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    [self didChangeValueForKey:@"isExecuting"];
 
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    NSURLRequest * request = [NSURLRequest requestWithURL:_url];
 
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    _connection = [[NSURLConnection alloc] initWithRequest:request delegate:self];
 
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        [UONetworkStatusCoordinator addNetworkActivity];
 
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    if (nil == _connection)
 
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        {
 
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        [self finish];
 
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        }
 
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}
 
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- (void)finish
 
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{
 
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    NSLog(@"operation for <%@> finished. "
 
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          @"status code: %d, error: %@",
 
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          _url, _statusCode, _error);
 
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        [UONetworkStatusCoordinator removeNetworkActivity];
 
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    [_connection release];
 
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    _connection = nil;
 
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    [self willChangeValueForKey:@"isExecuting"];
 
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    [self willChangeValueForKey:@"isFinished"];
 
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    _isExecuting = NO;
 
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    _isFinished = YES;
 
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    [self didChangeValueForKey:@"isExecuting"];
 
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    [self didChangeValueForKey:@"isFinished"];
 
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}
 
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#pragma mark -
 
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#pragma mark NSURLConnection delegate
 
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- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
 
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{       
 
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    NSHTTPURLResponse * httpResponse = (NSHTTPURLResponse *)response;
 
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    _statusCode = [httpResponse statusCode];
 
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}
 
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- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
 
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{
 
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    //no-op, subclasses must implement this.
 
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}
 
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- (void)connectionDidFinishLoading:(NSURLConnection *)connection
 
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{
 
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    [self finish];
 
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}
 
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- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
 
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{
 
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    _error = [error copy];
 
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    [self finish];
 
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}
 
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@end