Java and JSON

Sean SullivanUtah Java User Group

March 19, 2009

JavaScript Object Notation

JSON is a data interchange format

{

“name” : “Utah Java User Group”,

“tags” : [ “java”, “software”, “lolcats” ],

“location” :

{

“city” : “Salt Lake City”,

“state” : “Utah”

}

}

• based on a subset of the JavaScript programming language

• text format

• language independent

JSON

How is JSON useful to Java developers?

RESTful web services

JSON libraries for Java

• www.json.org/java/

• xstream.codehaus.org

• code.google.com/p/google-gson

• json-lib.sourceforge.net

• jackson.codehaus.org

code.google.com/p/gsearch-java-client

code.google.com/p/gtranslate-java-client

code.google.com/p/friendfeed-java-api

code.google.com/p/jpoco

Native JSON

http://blog.mozilla.com/webdev/2009/02/12/native-json-in-firefox-31/

http://blogs.msdn.com/ie/archive/2008/09/10/native-json-in-ie8.aspx

For more information

• http://www.json.org

• http://en.wikipedia.org/wiki/JSON

Thank you