The Fat-Free Alternative

Marwa Gamal

Fat ?? Free ?? Alternative !!

Fast !!

Three ??

XML everywhere

Even CAT become XML

!!اى حاجة فاى حتة فاى وقت

فى حاجة كاملة فى الدنيا هل

!!! ؟

XML Really BAD !!

• Character Encoding

• Embedding binary data

• Indentation Characters Mixed With Data

• Textual Representation of Numeric Data

<int>1234567890</int>

• Human un-readability

• A single XML root element

Alternatives ??

Not Used !!

CSV

YAML

JSON

DL

Property Lists

GroovyMarkup

…..

XML alternatives

XML Alternatives

CSV “ Comma Separated Value”

EX :-

Year,Make,Model,Length

1997,Ford,E350,2.34

2000,Mercury,Cougar,2.38

Cons : -

homemade parser is required to convert the CSV data into a native data structure.

YAML EX :-

receipt: Oz-Ware Purchase Invoice

date: 2007-08-06

customer:

given: Dorothy

family: Gale

cons :-

very immature API , Not commonly used.

JSON

JavaScript Object Notation

FAT ?? FREE ??

ideal data-interchange language

XML vs. JSON

XML

• Good namespace support

• Widely Supported

• Less memory usage to decode

• “ DRY or DIE “

JSON

• Simple API

• Very good support by all browsers

• Concise format thanks to name/value pair -based

approach

• Fully automated way of de-serializing/serializing

JavaScript object

• Supported by many AJAX toolkits and JavaScript

libraries

Using JSON !!

Yahoo! Web Services Google Data Protocol Delicious data feeds Flickr services

...شوية احصائيات

number of JSON APIs During 2009 : 191 JSON APIs registered. August 2010 : 223 APIs

April 2011 : 1262 JSON APIs registered

growth rate : 565% in the past eight months

For more http://www.json.org/