firebase - How to parse a json with talend? -


i need parse file extract comes firebase: 

{ "historics" : {     "users" : {         "anonymous:-jlvsu77kk6lgv-undzt" : {             "age" : "25",             "browser" : "mozilla/5.0 (x11; ubuntu; linux x86_64; rv:36.0) gecko/20100101 firefox/36.0",             "pseudo" : "foo",             "startsession" : 1427554673910,             "stopsession" : 1427554695420         },         "anonymous:-jtjdu598k6lgv-undgb" : {             "age" : "25",             "browser" : "mozilla/5.0 (x11; ubuntu; linux x86_64; rv:36.0) gecko/20100101 firefox/36.0",             "pseudo" : "bar",             "startsession" : 1427554673910,             "stopsession" : 1427554695420         }     },     "messsages" : {         "-jersu826k6lgv-undgr" : {             "value" : "test",             "owner" : "anonymous:-jtjdu598k6lgv-undgb",         }     },     "locations" : {         "-jlvsuetf7m0eogjl5r-" : {             "owner" : "anonymous:-jlvsu77kk6lgv-undzt",             "location" : "/bar"         },           "-jlvsvx3-kjmvvnvjv9h" : {             "owner" : "anonymous:-jlvsu77kk6lgv-undzt",             "location" : "/bar"          },           "-jlvsvxg_zva6z-g3ogn" : {             "owner" : "anonymous:-jlvsu77kk6lgv-undzt",             "location" : "/foo"          }     } }    }

i don't know how proceed. when try create json metadata, can't loop on users. first 1 possible.

enter image description here

how can parse file?


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