NINetworkRequestOperation Class Reference

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Overview

An operation that makes a network request.

Provides asynchronous network request support when added to an NSOperationQueue.

If the url provided is a file url, then the file will be loaded from disk instead.

Definition at line 77 of file NIOperations.h.

Inheritance diagram for NINetworkRequestOperation:

Methods
Configuring the Operation
NSURL *	url property
NSTimeInterval	timeout property
NSURLRequestCachePolicy	cachePolicy property
Operation Results
NSData *	data property
id	processedObject property
Creating an Operation
(id)	- initWithURL:
Delegation
id< NIOperationDelegate >	delegate property
Post-Operation Properties
NSError *	lastError property
Identification
NSInteger	tag property
Blocks
NIBasicBlock	didStartBlock property
NIBasicBlock	didFinishBlock property
NIErrorBlock	didFailWithErrorBlock property
NIBasicBlock	willFinishBlock property
Subclassing
The following methods are provided to aid in subclassing and are not meant to be used externally.
(void)	- didStart
(void)	- didFinish
(void)	- willFinish

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Method Documentation

- NINetworkRequestOperation: [read, write, copy]

The url that will be loaded in the network operation.

Definition at line 82 of file NIOperations.h.

- NINetworkRequestOperation: [read, write, assign]

The number of seconds that may pass before a request gives up and fails.

Definition at line 83 of file NIOperations.h.

- NINetworkRequestOperation: [read, write, assign]

The request cache policy to use.

Definition at line 84 of file NIOperations.h.

- NINetworkRequestOperation: [read, retain]

The data received from the request.

Will be nil if the request failed.

See also:

NIOperation::lastError

Definition at line 85 of file NIOperations.h.

- NINetworkRequestOperation: [read, write, retain]

An object created from the data that was fetched.

Will be nil if the request failed.

See also:

NIOperation::lastError

Definition at line 86 of file NIOperations.h.

- (id) initWithURL:

(NSURL *)

url

Initializes a newly allocated network operation with a given url.

Definition at line 189 of file NIOperations.m.

- NIOperation: [read, write, assign, inherited]

The delegate through which changes are notified for this operation.

All delegate methods are performed on the main thread.

Definition at line 48 of file NIOperations.h.

- NIOperation: [read, retain, inherited]

The error last passed to the didFailWithError notification.

Definition at line 49 of file NIOperations.h.

- NIOperation: [read, write, assign, inherited]

A simple tagging mechanism for identifying operations.

Definition at line 50 of file NIOperations.h.

- NIOperation: [read, write, copy, inherited]

The operation has started executing.

Performed on the main thread.

Definition at line 54 of file NIOperations.h.

- NIOperation: [read, write, copy, inherited]

The operation has completed successfully.

This will not be called if the operation fails.

Performed on the main thread.

Definition at line 55 of file NIOperations.h.

- NIOperation: [read, write, copy, inherited]

The operation failed in some way and has completed.

didFinishBlock will not be executed.

Performed on the main thread.

Definition at line 56 of file NIOperations.h.

- NIOperation: [read, write, copy, inherited]

The operation is about to complete successfully.

This will not be called if the operation fails.

Performed in the operation's thread.

Definition at line 57 of file NIOperations.h.

- (void) didStart

On the main thread, notify the delegate that the operation has begun.

Definition at line 67 of file NIOperations.m.

- (void) didFinish

On the main thread, notify the delegate that the operation has finished.

Definition at line 75 of file NIOperations.m.

- (void) willFinish

In the operation's thread, notify the delegate that the operation will finish successfully.

Definition at line 93 of file NIOperations.m.