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[core] Pull out NISimpleRequest into the core.
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| Original file line number | Diff line number | Diff line change |
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| // | ||
| // Copyright 2011 Jeff Verkoeyen | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
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| #import <Foundation/Foundation.h> | ||
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| @protocol NISimpleRequestDelegate; | ||
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| /** | ||
| * A simple network request object. | ||
| * | ||
| * This object is designed to be simple and light-weight. It does not cache requests, handle | ||
| * redirecting, and many other common features found in more powerful networking objects. | ||
| */ | ||
| @interface NISimpleRequest : NSObject <NSURLConnectionDataDelegate> { | ||
| @private | ||
| NSURLConnection* _connection; | ||
| NSMutableData* _data; | ||
| NSURL* _url; | ||
| id<NISimpleRequestDelegate> _delegate; | ||
| } | ||
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| + (id)requestWithURL:(NSURL *)url timeoutInterval:(NSTimeInterval)timeoutInterval; | ||
| - (id)initWithURL:(NSURL *)url timeoutInterval:(NSTimeInterval)timeoutInterval; | ||
| - (void)send; | ||
| - (void)cancel; | ||
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| @property (nonatomic, readwrite, retain) NSURL* url; | ||
| @property (nonatomic, readwrite, assign) id<NISimpleRequestDelegate> delegate; | ||
| @end | ||
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| /** | ||
| * The delegate for NISimpleRequest. | ||
| */ | ||
| @protocol NISimpleRequestDelegate <NSObject> | ||
| @optional | ||
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| /** | ||
| * The request failed with a given error. | ||
| */ | ||
| - (void)requestDidFail:(NISimpleRequest *)request withError:(NSError *)error; | ||
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| /** | ||
| * The request finished successfully. | ||
| */ | ||
| - (void)requestDidFinish:(NISimpleRequest *)request withData:(NSData *)data; | ||
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| @end | ||
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| /** | ||
| * Returns an autoreleased request initialized with the given URL and timeout. | ||
| * | ||
| * @fn NISimpleRequest::requestWithURL:timeoutInterval: | ||
| */ | ||
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| /** | ||
| * Initializes a newly allocated request with a given url and timeout. | ||
| * | ||
| * @fn NISimpleRequest::initWithURL:timeoutInterval: | ||
| */ | ||
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| /** | ||
| * Initiates the NSURLConnection. | ||
| * | ||
| * @fn NISimpleRequest::send | ||
| */ | ||
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| /** | ||
| * Cancels the NSURLConnection. | ||
| * | ||
| * @fn NISimpleRequest::cancel | ||
| */ | ||
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| /** | ||
| * The URL this request is fetching. | ||
| * | ||
| * @fn NISimpleRequest::url | ||
| */ | ||
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| /** | ||
| * This request's delegate. | ||
| * | ||
| * @fn NISimpleRequest::delegate | ||
| */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| // | ||
| // Copyright 2011 Jeff Verkoeyen | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
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| #import "NISimpleRequest.h" | ||
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| #import "NIPreprocessorMacros.h" | ||
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| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| @implementation NISimpleRequest | ||
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| @synthesize url = _url; | ||
| @synthesize delegate = _delegate; | ||
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| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| - (void)dealloc { | ||
| [_connection cancel]; | ||
| NI_RELEASE_SAFELY(_connection); | ||
| NI_RELEASE_SAFELY(_data); | ||
| NI_RELEASE_SAFELY(_url); | ||
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| [super dealloc]; | ||
| } | ||
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| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| + (id)requestWithURL:(NSURL *)url timeoutInterval:(NSTimeInterval)timeoutInterval { | ||
| return [[[self alloc] initWithURL:url timeoutInterval:timeoutInterval] autorelease]; | ||
| } | ||
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| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| - (id)initWithURL:(NSURL *)url timeoutInterval:(NSTimeInterval)timeoutInterval { | ||
| if ((self = [super init])) { | ||
| _url = [url retain]; | ||
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| NSURLRequest* request = [NSURLRequest requestWithURL: url | ||
| cachePolicy: NSURLRequestUseProtocolCachePolicy | ||
| timeoutInterval: timeoutInterval]; | ||
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| _connection = [[NSURLConnection alloc] initWithRequest:request | ||
| delegate:self | ||
| startImmediately:NO]; | ||
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| _data = [[NSMutableData alloc] init]; | ||
| } | ||
| return self; | ||
| } | ||
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| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| - (void)send { | ||
| [_connection start]; | ||
| } | ||
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| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| - (void)cancel { | ||
| [_connection cancel]; | ||
| } | ||
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| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| #pragma mark - NSURLConnectionDataDelegate | ||
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| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response { | ||
| [_data setLength:0]; | ||
| } | ||
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| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data { | ||
| [_data appendData:data]; | ||
| } | ||
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| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| - (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error { | ||
| if ([self.delegate respondsToSelector:@selector(requestDidFail:withError:)]) { | ||
| [self.delegate requestDidFail:self withError:error]; | ||
| } | ||
| NI_RELEASE_SAFELY(_data); | ||
| NI_RELEASE_SAFELY(_connection); | ||
| } | ||
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| /////////////////////////////////////////////////////////////////////////////////////////////////// | ||
| - (void)connectionDidFinishLoading:(NSURLConnection *)connection { | ||
| if ([self.delegate respondsToSelector:@selector(requestDidFinish:withData:)]) { | ||
| [self.delegate requestDidFinish:self withData:_data]; | ||
| } | ||
| NI_RELEASE_SAFELY(_data); | ||
| NI_RELEASE_SAFELY(_connection); | ||
| } | ||
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| @end |
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