Implementation of app::http_request for iOS

Redefined classes

redef class App

ios :: http_request $ App

App subclasses are cross-platform applications
redef extern class NSString

ios :: http_request $ NSString

String of the Foundation Kit
redef abstract class Text

ios :: http_request $ Text

High-level abstraction for all text representations

All class definitions

redef class App

ios :: http_request $ App

App subclasses are cross-platform applications
redef extern class NSString

ios :: http_request $ NSString

String of the Foundation Kit
redef abstract class Text

ios :: http_request $ Text

High-level abstraction for all text representations
package_diagram ios::http_request http_request ios ios ios::http_request->ios app::http_request http_request ios::http_request->app::http_request app app ios->app cocoa cocoa ios->cocoa json json ios->json core core ios->core app::http_request->json app::app_base app_base app::http_request->app::app_base pthreads pthreads app::http_request->pthreads ...>app ...cocoa ... ...cocoa->cocoa ...json ... ...json->json ...core ... ...core->core ...>app::app_base ...pthreads ... ...pthreads->pthreads a_star-m a_star-m a_star-m->ios::http_request


module abstract_collection

core :: abstract_collection

Abstract collection classes and services.
module abstract_text

core :: abstract_text

Abstract class for manipulation of sequences of characters
module app

ios :: app

Basic structure for Nit apps on iOS
module app

app :: app

app.nit is a framework to create cross-platform applications
module app_base

app :: app_base

Base of the app.nit framework, defines App
module array

core :: array

This module introduces the standard array structure.
module assets

app :: assets

Portable services to load resources from the assets folder
module bitset

core :: bitset

Services to handle BitSet
module bytes

core :: bytes

Services for byte streams and arrays
module caching

serialization :: caching

Services for caching serialization engines
module circular_array

core :: circular_array

Efficient data structure to access both end of the sequence.
module codec_base

core :: codec_base

Base for codecs to use with streams
module codecs

core :: codecs

Group module for all codec-related manipulations
module collection

core :: collection

This module define several collection classes.
module core

core :: core

Standard classes and methods used by default by Nit programs and libraries.
module engine_tools

serialization :: engine_tools

Advanced services for serialization engines
module environ

core :: environ

Access to the environment variables of the process
module error

json :: error

Intro JsonParseError which is exposed by all JSON reading APIs
module error

core :: error

Standard error-management infrastructure.
module exec

core :: exec

Invocation and management of operating system sub-processes.
module file

core :: file

File manipulations (create, read, write, etc.)
module fixed_ints

core :: fixed_ints

Basic integers of fixed-precision
module fixed_ints_text

core :: fixed_ints_text

Text services to complement fixed_ints
module flat

core :: flat

All the array-based text representations
module foundation

cocoa :: foundation

The Foundation Kit provides basic Objective-C classes and structures
module gc

core :: gc

Access to the Nit internal garbage collection mechanism
module hash_collection

core :: hash_collection

Introduce HashMap and HashSet.
module inspect

serialization :: inspect

Refine Serializable::inspect to show more useful information
module iso8859_1

core :: iso8859_1

Codec for ISO8859-1 I/O
module json

json :: json

Read and write JSON formatted text using the standard serialization services
module kernel

core :: kernel

Most basic classes and methods.
module list

core :: list

This module handle double linked lists
module math

core :: math

Mathematical operations
module meta

meta :: meta

Simple user-defined meta-level to manipulate types of instances as object.
module native

core :: native

Native structures for text and bytes
module numeric

core :: numeric

Advanced services for Numeric types
module parser_base

parser_base :: parser_base

Simple base for hand-made parsers of all kinds
module platform

ios :: platform

Triggers compilation for the iOS platform
module poset

poset :: poset

Pre order sets and partial order set (ie hierarchies)
module protocol

core :: protocol

module pthreads

pthreads :: pthreads

Main POSIX threads support and intro the classes Thread, Mutex and Barrier
module queue

core :: queue

Queuing data structures and wrappers
module range

core :: range

Module for range of discrete objects.
module re

core :: re

Regular expression support for all services based on Pattern
module ropes

core :: ropes

Tree-based representation of a String.
module safe

serialization :: safe

Services for safer deserialization engines
module serialization

serialization :: serialization

General serialization services
module serialization_core

serialization :: serialization_core

Abstract services to serialize Nit objects to different formats
module serialization_read

json :: serialization_read

Services to read JSON: deserialize_json and JsonDeserializer
module serialization_write

json :: serialization_write

Services to write Nit objects to JSON strings: serialize_to_json and JsonSerializer
module sorter

core :: sorter

This module contains classes used to compare things and sorts arrays.
module static

json :: static

Static interface to read Nit objects from JSON strings
module stream

core :: stream

Input and output streams of characters
module text

core :: text

All the classes and methods related to the manipulation of text entities
module time

core :: time

Management of time and dates
module union_find

core :: union_find

union–find algorithm using an efficient disjoint-set data structure
module utf8

core :: utf8

Codec for UTF-8 I/O


module http_request

app :: http_request

HTTP request services: AsyncHttpRequest and Text::http_get
module ios

ios :: ios

iOS platform support


module a_star-m


# Implementation of `app::http_request` for iOS
module http_request

import ios
import cocoa::foundation
intrude import app::http_request

redef class App
	redef fun run_on_ui_thread(task) import Task.main in "ObjC" `{
		dispatch_async(dispatch_get_main_queue(), ^{

redef class Text
	redef fun http_get
		var error_ref = new Ref[NSString]("Unknown Error".to_nsstring)
		var data = to_nsstring.native_http_get(60.0, error_ref)

		if data.address_is_null then
			# There was an error
			var error = new IOError(error_ref.item.to_s)
			return new HttpRequestResult(null, error)
			# TODO use the real return code instead of 200
			return new HttpRequestResult(data.to_s, null, 200)

redef class NSString
	private fun native_http_get(timeout: Float, error_ref: Ref[NSString]): NSData
	import Ref[NSString].item= in "ObjC" `{

		NSURL *url = [NSURL URLWithString:self];
		NSURLRequest *request = [NSURLRequest requestWithURL:url
			cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:timeout];

		NSURLResponse *response = nil;
		NSError *error = nil;
		NSData *data = [NSURLConnection sendSynchronousRequest:request
			returningResponse:&response error:&error];

		if (data == nil) {
			// Report error
			Ref_of_NSString_item__assign(error_ref, [error localizedDescription]);
			return nil;

		return data;