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| #import <Foundation/Foundation.h> | |
| @interface URLConnection : NSObject <NSURLConnectionDataDelegate, NSURLConnectionDelegate> | |
| + (NSData *)sendSynchronousRequest:(NSURLRequest *)request | |
| returningResponse:(NSURLResponse **)response | |
| error:(NSError **)error; | |
| @end |
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| #import "URLConnection.h" | |
| @interface URLConnection () | |
| @property (nonatomic, strong) NSURLConnection *connection; | |
| @property (nonatomic, strong) NSURLCredential *credential; | |
| @property (nonatomic, strong) NSURLResponse *response; | |
| @property (atomic, strong) NSMutableData *responseData; | |
| @property (nonatomic, strong) NSCondition *condition; | |
| @property (nonatomic, strong) NSError *error; | |
| @property (nonatomic) BOOL connectionDidFinishLoading; | |
| @end | |
| @implementation URLConnection | |
| + (NSData *)sendSynchronousRequest:(NSURLRequest *)request returningResponse:(NSURLResponse **)response error:(NSError **)error credential:(NSURLCredential *)credential { | |
| return [[[URLConnection alloc] init] sendSynchronousRequest:request returningResponse:response error:error credential:credential]; | |
| } | |
| - (id)init { | |
| self = [super init]; | |
| if (self) { | |
| self.condition = [[NSCondition alloc] init]; | |
| self.connection = nil; | |
| self.connectionDidFinishLoading = NO; | |
| self.error = nil; | |
| self.response = nil; | |
| self.responseData = [[NSMutableData alloc] init]; | |
| self.credential = nil; | |
| } | |
| return self; | |
| } | |
| - (NSData *)sendSynchronousRequest:(NSURLRequest *)request returningResponse:(NSURLResponse **)response error:(NSError **)error credential:(NSURLCredential *)credential { | |
| NSParameterAssert(request); | |
| NSAssert(!self.connection, @"This method may only be called once"); | |
| self.credential = credential; | |
| self.connection = [[NSURLConnection alloc] initWithRequest:request delegate:self startImmediately:NO]; | |
| [self.connection setDelegateQueue:[[NSOperationQueue alloc] init]]; | |
| [self.connection start]; | |
| [self waitForConnectionToFinishLoading]; | |
| if (self.error != nil) { | |
| if (response) *response = nil; | |
| if (error) *error = self.error; | |
| return nil; | |
| } | |
| else { | |
| if (response) *response = self.response; | |
| if (error) *error = nil; | |
| return self.responseData; | |
| } | |
| } | |
| - (void)waitForConnectionToFinishLoading { | |
| [self.condition lock]; | |
| while (!self.connectionDidFinishLoading) { | |
| [self.condition wait]; | |
| } | |
| [self.condition unlock]; | |
| } | |
| - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response { | |
| self.response = response; | |
| } | |
| - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data { | |
| [self.responseData appendData:data]; | |
| } | |
| - (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error { | |
| [self.condition lock]; | |
| self.error = error; | |
| self.connectionDidFinishLoading = YES; | |
| [self.condition signal]; | |
| [self.condition unlock]; | |
| } | |
| - (void)connectionDidFinishLoading:(NSURLConnection *)connection { | |
| [self.condition lock]; | |
| self.connectionDidFinishLoading = YES; | |
| [self.condition signal]; | |
| [self.condition unlock]; | |
| } | |
| - (void)connection:(NSURLConnection *)connection willSendRequestForAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge { | |
| [[challenge sender] useCredential:self.credential forAuthenticationChallenge:challenge]; | |
| } | |
| @end |
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