jsp - Displaying Map keys on struts2 autocompleter tag -

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i've been struggling while autocompleter tag using struts2 jquery plugin.

i've been able use on simple way, retrieving string lists database, wondered if fetch hashmap action , display user keys only.

the response comming action successfull, can see on chrome dev tools action returning json containing map. however, autocompleter displays te values instead of keys, want, i'm trying list addresses user , had used them keys on map, values identifiers each address.

this example should ilustrate map looks like. it's response i'm getting action call when user writes 'ho':

{"addresseslist":{"home":"-20","hotel":"-4","hooters":"-2"}}

however, when user starts writing in autocompleter, keeps showing values (-20, -4, -2), not representative user.

i know reverse way , store identifiers keys , addresses' names values, i'm curious , wanted learn how force autocompleter tag show keys instead of map values. easy way not solution me.

i believe question has more jstl / ognl struts2 tags , find interesting couldn't find googling example on how this.

my autocompleter tag inside jsp

<sj:autocompleter          id="addresses"         name="selectedaddress"         list="addresseslist"         href="%{findaddresses}"         delay="50"         loadminimumcount="2"/>

that addresseslist hashmap inside action. tried endless combinations using listvalue , listkey properties, setting listkey = addresseslist.keyset() , things that, sadly none worked out.


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