how to create json structure in java?

Question

var abc = {"action":"Remove",        
           "datatable":[
                        {"userid":"userid0","username":"name0"}, 
                        {"userid":"userid1","username":"name1"},               
                        {"userid":"userid2","username":"name2"},           
                        {"userid":"userid3","username":"name3"}                 
                       ]     
           , "msgType":"success"};

How could I create above JSON structure in java and send it as response & at client side how could I parse it?

Bohemian · Accepted Answer · 2011-09-21 12:31:59Z

3

Use Google's gson library. It converts java objects to and from json.
I've used it and it's really good.

answered Sep 21, 2011 at 12:31

Bohemian♦

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3 Comments

Ajka Over a year ago

I can only use json_simple-1.1.jar for JSON library as its being used earlier and I can't add more jar file in lib.Can you provide the code which does the same thing using JSONObject and JSONArray?

Bohemian Over a year ago

@Ajka It's open source. Why don't you just copy-paste the classes into your project?

Thomas Over a year ago

@Ajka If you're already using json-simply, why don't you create the code yoursel? It's not that hard.

Ray Tayek · Accepted Answer · 2011-09-22 11:17:01Z

0

consider groovy: http://groovy.codehaus.org/gapi/groovy/json/JsonBuilder.html (won't help you on the client side though)

answered Sep 22, 2011 at 11:17

Ray Tayek

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Comments

lrkwz · Accepted Answer · 2012-10-07 11:26:38Z

0

Simple as using springframework and mark your @Controller method with @ResponseBody to json-encode your pojos.

Also use @RequestBody to decode json back and if needed use jackson annotations to customize d/encoding

answered Oct 7, 2012 at 11:26

lrkwz

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