Notes

#import "AsyncCheckTavoli.h"
#import "MyAppDelegate.h"


@implementation AsyncCheckTavoli

@synthesize receivedData;

- (void) callCheckTavoli{
@try {
MyAppDelegate *appDelegate = (MyAppDelegate*)[[UIApplication sharedApplication] delegate];

NSString *reqTavoli = [appDelegate serializeTavoliRequestWithVersion];

NSData *reqTavoliData = [NSData dataWithBytes: [ reqTavoli UTF8String ] length: [ reqTavoli length]];

NSURL *url = [NSURL URLWithString:[appDelegate generateUrlRequest:@"checkTavoli"]];
theRequest = [[NSMutableURLRequest alloc] initWithURL:url];
[theRequest setHTTPMethod:@"POST"];
[theRequest setHTTPBody:reqTavoliData];
//[theRequest setTimeoutInterval:30];

theConnection = [[NSURLConnection alloc] initWithRequest:theRequest delegate:self];


if (theConnection)
{
// Create the NSMutableData that will hold
// the received data
// receivedData is declared as a method instance elsewhere
receivedData=[[NSMutableData data] retain];
}
else
{
// inform the user that the download could not be made
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Non Connesso" message:@"Il tuo dispositivo si e' disconesso dalla rete wifi."
delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];

[alert show];
[alert release];
}
}
@catch (NSException *exception) {
NSLog(@"callCheckTavoli");
}
}

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{
// this method is called when the server has determined that it
// has enough information to create the NSURLResponse

// it can be called multiple times, for example in the case of a
// redirect, so each time we reset the data.
// receivedData is declared as a method instance elsewhere
@try {
[receivedData setLength:0];
}
@catch (NSException *exception) {
NSLog(@"didReceiveResponse");
[theConnection cancel];
}
}

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
//NSLog([[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
// append the new data to the receivedData
// receivedData is declared as a method instance elsewhere
@try{
[receivedData appendData:data];
}
@catch (NSException *exception) {
NSLog(@"didReceiveData");
[theConnection cancel];
}
}

- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
{
//[theConnection release];
//[receivedData release];
//[theRequest release];

NSLog(@" ASYNC CHECKTAVOLI Connection failed! Error - %@ %@",
[error localizedDescription],
[[error userInfo] objectForKey:NSURLErrorFailingURLStringErrorKey]);
}

- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
@try {
MyAppDelegate *appDelegate = (MyAppDelegate*)[[UIApplication sharedApplication] delegate];

if (receivedData == nil || [receivedData length] == 0){
NSLog(@"checkTavoli Dati Invalidi");
}else {
[appDelegate loadTavoliGuru:receivedData];
}

//NSString *Ttt = [[NSString alloc] initWithData:receivedData encoding:NSUTF8StringEncoding];
//NSLog(Ttt);

// release the connection, and the data object
[theConnection release];
[receivedData release];
[theRequest release];
}
@catch (NSException *exception) {
NSLog(@"connectionDidFinishLoading");
[theConnection cancel];
}
}


@end