java - Excel-like data grid editor with import/export functionality -

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i need import data excel file , present on web application. next presented data on web should able edit user , exported excel file again. want implement web application possibilities to:

  1. import excel file
  2. view excel file in way (table simple a'la excel functionality: change cell type (radiobutton, checkbox, select, etc) or color, change column order/count, sorting, filtering, etc..., formula plus)
  3. change data presented in web app
  4. export data excel file

what tools/libraries can suggest me use accomplish above requirements?

i planning use spring 3/mvc (backend) & jsp (frontend) on jboss 5/6 (app server).

my research:

i've done research want ask because didn't find satisfactory results.

for view , edit excel-like directly on website:

  1. handsontable: http://handsontable.com
  2. jquery.shit: http://jquerysheet.googlecode.com/svn/branches/3.x/jquery.sheet.html
  3. jqgrid: http://trirand.com/blog/jqgrid/jqgrid.html

what think above propositions? there better? jquery.shit perfect not free, need free. know similar?

for import/export excel file found:

  1. java excel api
  2. apache poi

which better, faster learn or have better support? else can recommend?

do know there maybe 1 common technology 2 important form me features: 'view , edit excel file on web' , 'import/export excel file'?

please advise me in subject. not want make mistake before start implementation.


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