/
MultipleDownload.m
121 lines (95 loc) · 3.13 KB
/
MultipleDownload.m
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//
// MultipleDownload.m
//
// Copyright 2008 Stepcase Limited.
//
#import "MultipleDownload.h"
@implementation MultipleDownload
@synthesize urls, requests, receivedDatas, finishCount;
- init {
if ((self = [super init])) {
self.finishCount = 0;
NSMutableArray *array = [[NSMutableArray alloc] init];
self.receivedDatas = array;
[array release];
NSMutableDictionary *dict = [[NSMutableDictionary alloc] init];
self.requests = dict;
[dict release];
}
return self;
}
- (void)dealloc {
[urls release];
[requests release];
[receivedDatas autorelease];
[super dealloc];
}
- (void)setDelegate:(id)val
{
delegate = val;
}
- (id)delegate
{
return delegate;
}
#pragma mark Methods
- (id)initWithUrls:(NSArray *)aUrls {
if ((self = [self init]))
[self requestWithUrls:aUrls];
return self;
}
- (void)requestWithUrls:(NSArray *)aUrls {
[receivedDatas removeAllObjects];
[requests removeAllObjects];
[urls autorelease];
urls = [aUrls copy];
for(NSInteger i=0; i< [urls count]; i++){
NSMutableData *aData = [[NSMutableData alloc] init];
[receivedDatas addObject: aData];
[aData release];
NSURLRequest *request = [[NSURLRequest alloc]
initWithURL: [NSURL URLWithString: [urls objectAtIndex:i]]
cachePolicy: NSURLRequestReloadIgnoringLocalCacheData
timeoutInterval: 10
];
NSURLConnection *connection = [[NSURLConnection alloc]
initWithRequest:request
delegate:self];
[requests setObject: [NSNumber numberWithInt: i] forKey: [NSValue valueWithNonretainedObject:connection]];
[connection release];
[request release];
}
}
- (NSData *)dataAtIndex:(NSInteger)idx {
return [receivedDatas objectAtIndex:idx];
}
- (NSString *)dataAsStringAtIndex:(NSInteger)idx {
return [[[NSString alloc] initWithData:[receivedDatas objectAtIndex:idx] encoding:NSUTF8StringEncoding] autorelease];
}
#pragma mark NSURLConnection Delegates
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{
NSInteger i = [[requests objectForKey: [NSValue valueWithNonretainedObject:connection]] intValue];
[[receivedDatas objectAtIndex:i] setLength:0];
}
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
NSInteger i = [[requests objectForKey: [NSValue valueWithNonretainedObject:connection]] intValue];
[[receivedDatas objectAtIndex:i] appendData:data];
}
- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
NSInteger i = [[requests objectForKey: [NSValue valueWithNonretainedObject:connection]] intValue];
finishCount++;
if ([delegate respondsToSelector:@selector(didFinishDownload:)])
[delegate performSelector:@selector(didFinishDownload:) withObject: [NSNumber numberWithInt: i]];
if(finishCount >= [urls count]){
if ([delegate respondsToSelector:@selector(didFinishAllDownload)])
[delegate didFinishAllDownload];
}
}
- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
if ([delegate respondsToSelector:@selector(didFailDownloadWithError:)])
[delegate performSelector:@selector(didFailDownloadWithError:) withObject: error];
}
@end