JavaScript JSON Cookbook

Book Image

JavaScript JSON Cookbook

By : Ray Rischpater, Brian Ritchie, Ray Rischpater

Book Image

JavaScript JSON Cookbook

By: Ray Rischpater, Brian Ritchie, Ray Rischpater

Overview of this book

JavaScript JSON Cookbook

JavaScript JSON Cookbook

Credits

About the Author

About the Author

About the Reviewers

About the Reviewers

www.PacktPub.com

www.PacktPub.com

Preface

Free Chapter

Reading and Writing JSON on the Client

Reading and Writing JSON on the Client

Reading and writing JSON in JavaScript

Reading and writing JSON in C++

Reading and writing JSON in C#

Reading and writing JSON in Java

Reading and writing JSON in Perl

Reading and writing JSON in Python

Reading and Writing JSON on the Server

Reading and Writing JSON on the Server

Reading and writing JSON in Clojure

Reading and writing JSON in F#

Reading and writing JSON with Node.js

Reading and writing JSON in PHP

Reading and writing JSON in Ruby

Using JSON in Simple AJAX Applications

Using JSON in Simple AJAX Applications

Creating an XMLHttpRequest object

Making an asynchronous request for data

Sending JSON to your web server

Accepting JSON using Node.js

Getting the progress of an asynchronous request

Parsing the returned JSON

Issuing a web service request using Node.js

Using JSON in AJAX Applications with jQuery and AngularJS

Using JSON in AJAX Applications with jQuery and AngularJS

Adding a dependency to jQuery to your web page

Requesting JSON content using jQuery

Sending JSON to your web server using jQuery

Getting the progress of a request using jQuery

Parsing the returned JSON using jQuery

Adding a dependency to AngularJS to your web page

Requesting JSON content using AngularJS

Sending JSON to your web server using AngularJS

Getting the progress of a request using AngularJS

Parsing the returned JSON using AngularJS

Using JSON with MongoDB

Using JSON with MongoDB

Setting up MongoDB

Installing the MongoDB database driver for Node.js

Installing the express module for Node.js

Connecting to a MongoDB database using Node.js

Creating a document in MongoDB using Node.js

Searching for a document in MongoDB with Node.js

Updating a document in MongoDB with Node.js

Deleting a document in MongoDB using Node.js

Using REST to search MongoDB

Using REST to create a document in MongoDB

Using REST to update a document in MongoDB

Using REST to delete a document in MongoDB

Using JSON with CouchDB

Using JSON with CouchDB

Installing and setting up CouchDB and Cradle

Connecting to a CouchDB database using Node.js and Cradle

Creating a CouchDB database using Node.js and Cradle

Creating a document in CouchDB using Node.js and Cradle

Setting up a data view in CouchDB with Node.js and Cradle

Searching for a document in CouchDB with Node.js and Cradle

Updating a document in CouchDB with Node.js and Cradle

Deleting a document in CouchDB using Node.js and Cradle

Using REST to enumerate CouchDB records

Using REST to search CouchDB

Using REST to upsert a document in CouchDB

Using REST to delete a document in CouchDB

Using JSON in a Type-safe Manner

Using JSON in a Type-safe Manner

How to deserialize an object using Json.NET

How to handle date and time objects using Json.NET

How to deserialize an object using gson for Java

How to use TypeScript with Node.js

How to annotate simple types using TypeScript

How to declare interfaces using TypeScript

How to declare classes with interfaces using TypeScript

Using json2ts to generate TypeScript interfaces from your JSON

Using JSON for Binary Data Transfer

Using JSON for Binary Data Transfer

Encoding binary data as a base64 string using Node.js

Decoding binary data from a base64 string using Node.js

Encoding and decoding binary data as a base64 string using JavaScript in the browser

Encoding data as BSON using Json.NET

Decoding data from BSON using Json.NET

Using a DataView to access an ArrayBuffer

Encoding and decoding base64 using an ArrayBuffer

Compressing object-body content from a Node.js server built using the express module

Querying JSON with JSONPath and LINQ

Querying JSON with JSONPath and LINQ

Using the JSONPath dot-notation to query JSON documents

Using JSONPath bracket-notation to query JSON documents

Using JSONPath scripting to construct more complicated queries

Using JSONPath in your web application

Using JSONPath in your Node.js application

Using JSONPath in your PHP application

Using JSONPath in your Python application

Using JSONPath in your Java application

Using JSONPath with SelectToken to query for JSONPath expressions in your C# application

Using LINQ with Json.NET to query JSON in your C# application

JSON on Mobile Platforms

JSON on Mobile Platforms

Parsing JSON on Android

Generating JSON on Android

Parsing JSON on iOS in Objective-C

Generating JSON on iOS in Objective-C

Parsing JSON on iOS using Swift

Generating JSON on iOS using Swift

Parsing JSON using Qt

Generating JSON using Qt

Index

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Generating JSON on iOS using Swift

Of course, you can invoke the NSJSONSerialization.dataWithJSONObject method from Swift, too, which returns an NSData object that you can then convert to a string.

How to do it…

Here's a simple example:

var error: NSError?
var data: NSJSONSerialization.dataWithJSONObject(
  dictionary, 
  options: NSJSONWritingOptions(0),
  error: &error);
var json: NSString(data: data, encoding: NSUTF8StringEncoding);

How it works…

The method dataWithJSONObject operates just as its Objective-C counterpart does. Once we receive NSData containing the JSON-encoded version of the dictionary, we convert it to NSString using the NSString constructor.