JsonObject:GetJsonObject

JsonObject:GetJsonObject( cPropriedade )

user function exemploGJO()
  local oJson
  local ret

  oJson := JsonObject():new()

  ret := oJson:fromJson('{"name":{"John":1, "Mary":2}, "age":31, "city":"New York"}')

  if ValType(ret) == "U"
    Conout("JsonObject populado com sucesso")
  else
    Conout("Falha ao popular JsonObject. Erro: " + ret)
	return
  endif

  ret := oJson:GetJsonObject("name")

  if ValType(ret) == "J"
    u_PrintJson(ret)
  else
    if ValType(ret) <> "U"
      conout(cValtochar(ret))
    else
      conout("falha ao obter JsonObject")
    endif
  endif

  /*
  Será impresso:
  Label - John
  John = 1
  Label - Mary
  Mary = 2
  */

  ret := oJson:GetJsonObject("age")

  if ValType(ret) == "J"
    u_PrintJson(ret)
  else
    if ValType(ret) <> "U"
      conout(cValtochar(ret))
    else
      conout("falha ao obter JsonObject")
    endif
  endif

  /*
  Será impresso:
  31
  */

  ret := oJson:GetJsonObject("esto non exist")

  if ValType(ret) == "J"
    u_PrintJson(ret)
  else
    if ValType(ret) <> "U"
      conout(cValtochar(ret))
    else
      conout("falha ao obter JsonObject")
    endif
  endif

  /*
  Será impresso:
  falha ao obter JsonObject
  */

	FreeObj(oJson)
return

user function PrintJson(jsonObj)
  local i, j
  local names
  local lenJson
  local item

  if ValType(jsonObj) <> "J"
    conout("PrintJson --> objeto recebido nao é um JsonObject")
    return
  endif

  lenJson := len(jsonObj)

  if lenJson > 0
    for i := 1 to lenJson
      u_PrintJson(jsonObj[i])
    next
  else
    names := jsonObj:GetNames()
    for i := 1 to len(names)
      conout("Label - " + names[i])
      item := jsonObj[names[i]]
      if ValType(item) == "C" .or.  ValType(item) == "N"
        conout( names[i] + " = " + cvaltochar(jsonObj[names[i]]))
      else 
        if ValType(item) == "A"
          conout("Vetor[")
          for j := 1 to len(item)
            conout("Indice " + cValtochar(j))
            u_PrintJson(item[j])
          next j
          conout("]Vetor")
        endif
      endif
    next i
  endif
return