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B4X

Loading and Parsing a Complex JSON Array

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This example loads a JSON array containing more complex data. It shows how to parse (access) various values contained within the JSON.

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B4X
Dim success As Boolean = False

'  This is the JSON we'll be loading:

'  	[
'  	  {
'  	    "telefones": [
'  	      {
'  	        "numero": "19995555555",
'  	        "tipo": "T",
'  	        "id": 2541437
'  	      } 
'  	    ],
'  	    "cnpj": "11395551000164",
'  	    "rua": "R XAVIER AUGUSTO ROGGE, 22",
'  	    "complemento": "",
'  	    "contatos": [
'  	    ],
'  	    "tipo": "J",
'  	    "razao_social": "SOUP BRASIL LTDA - ME",
'  	    "nome_fantasia": "SOUP BRASIL",
'  	    "bairro": "ABC DOS COLIBRIS",
'  	    "cidade": "TEST",
'  	    "inscricao_estadual": "222.102.222.116",
'  	    "observacao": "",
'  	    "id": 2209595,
'  	    "ultima_alteracao": "2016-12-26 16:22:34",
'  	    "cep": "13555000",
'  	    "suframa": "",
'  	    "estado": "SP",
'  	    "emails": [
'  	      {
'  	        "email": "somebody@terra.com.br",
'  	        "tipo": "T",
'  	        "id": 1065557
'  	      } 
'  	    ],
'  	    "excluido": false
'  	  },
'  	  {
'  	    "telefones": [
'  	    ],
'  	    "cnpj": "12496555500180",
'  	    "rua": "AV ROLF WIEST, 100",
'  	    "complemento": "ANDAR 7 SALA 612 A 620",
'  	    "contatos": [
'  	    ],
'  	    "tipo": "J",
'  	    "razao_social": "SIMPLE SOFTWARE LTDA",
'  	    "nome_fantasia": "",
'  	    "bairro": "DOM ZETIRO",
'  	    "cidade": "APARTVILLE",
'  	    "inscricao_estadual": "",
'  	    "observacao": "",
'  	    "id": 2255594,
'  	    "ultima_alteracao": "2016-12-26 16:28:31",
'  	    "cep": "89255505",
'  	    "suframa": "",
'  	    "estado": "SC",
'  	    "emails": [
'  	    ],
'  	    "excluido": false
'  	  },
'  	  {
'  	    "telefones": [
'  	      {
'  	        "numero": "1938655556",
'  	        "tipo": "T",
'  	        "id": 2555438
'  	      } 
'  	    ],
'  	    "cnpj": "00003555500153",
'  	    "rua": "AV ABCDEF PINTO CATAO, 18",
'  	    "complemento": "",
'  	    "contatos": [
'  	      {
'  	        "telefones": [
'  	          {
'  	            "numero": "1999655554",
'  	            "tipo": "T",
'  	            "id": 2555559
'  	          } 
'  	        ],
'  	        "cargo": "zzz de compras",
'  	        "nome": "Gerard",
'  	        "emails": [
'  	          {
'  	            "email": "gerard@terra.com.br",
'  	            "tipo": "T",
'  	            "id": 1065559
'  	          } 
'  	        ],
'  	        "id": 844485,
'  	        "excluido": false
'  	      } 
'  	    ],
'  	    "tipo": "J",
'  	    "razao_social": "TIDY TECNOLOGIA LTDA - EPP",
'  	    "nome_fantasia": "TIDY",
'  	    "bairro": "TUNA",
'  	    "cidade": "JAGUAR",
'  	    "inscricao_estadual": "395.222.441.222",
'  	    "observacao": "ligar sempre depois das 14hs",
'  	    "id": 2255597,
'  	    "ultima_alteracao": "2016-12-28 07:31:52",
'  	    "cep": "13555500",
'  	    "suframa": "",
'  	    "estado": "SP",
'  	    "emails": [
'  	      {
'  	        "email": "xi@tidy.com.br",
'  	        "tipo": "T",
'  	        "id": 10655558
'  	      } 
'  	    ],
'  	    "excluido": false
'  	  } 
'  	]
'  

'  Construct a StringBuilder containing the above JSON array.
Dim sb As ChilkatStringBuilder
sb.Initialize
Dim bCrlf As Boolean = True
sb.AppendLine("[", bCrlf)
sb.AppendLine("  {", bCrlf)
sb.AppendLine("    " & Chr(34) & "telefones" & Chr(34) & ": [", bCrlf)
sb.AppendLine("      {", bCrlf)
sb.AppendLine("        " & Chr(34) & "numero" & Chr(34) & ": " & Chr(34) & "19995555555" & Chr(34) & ",", bCrlf)
sb.AppendLine("        " & Chr(34) & "tipo" & Chr(34) & ": " & Chr(34) & "T" & Chr(34) & ",", bCrlf)
sb.AppendLine("        " & Chr(34) & "id" & Chr(34) & ": 2541437", bCrlf)
sb.AppendLine("      }", bCrlf)
sb.AppendLine("    ],", bCrlf)
sb.AppendLine("    " & Chr(34) & "cnpj" & Chr(34) & ": " & Chr(34) & "11395551000164" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "rua" & Chr(34) & ": " & Chr(34) & "R XAVIER AUGUSTO ROGGE, 22" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "complemento" & Chr(34) & ": " & Chr(34) & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "contatos" & Chr(34) & ": [", bCrlf)
sb.AppendLine("    ],", bCrlf)
sb.AppendLine("    " & Chr(34) & "tipo" & Chr(34) & ": " & Chr(34) & "J" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "razao_social" & Chr(34) & ": " & Chr(34) & "SOUP BRASIL LTDA - ME" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "nome_fantasia" & Chr(34) & ": " & Chr(34) & "SOUP BRASIL" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "bairro" & Chr(34) & ": " & Chr(34) & "ABC DOS COLIBRIS" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "cidade" & Chr(34) & ": " & Chr(34) & "TEST" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "inscricao_estadual" & Chr(34) & ": " & Chr(34) & "222.102.222.116" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "observacao" & Chr(34) & ": " & Chr(34) & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "id" & Chr(34) & ": 2209595,", bCrlf)
sb.AppendLine("    " & Chr(34) & "ultima_alteracao" & Chr(34) & ": " & Chr(34) & "2016-12-26 16:22:34" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "cep" & Chr(34) & ": " & Chr(34) & "13555000" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "suframa" & Chr(34) & ": " & Chr(34) & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "estado" & Chr(34) & ": " & Chr(34) & "SP" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "emails" & Chr(34) & ": [", bCrlf)
sb.AppendLine("      {", bCrlf)
sb.AppendLine("        " & Chr(34) & "email" & Chr(34) & ": " & Chr(34) & "somebody@terra.com.br" & Chr(34) & ",", bCrlf)
sb.AppendLine("        " & Chr(34) & "tipo" & Chr(34) & ": " & Chr(34) & "T" & Chr(34) & ",", bCrlf)
sb.AppendLine("        " & Chr(34) & "id" & Chr(34) & ": 1065557", bCrlf)
sb.AppendLine("      }", bCrlf)
sb.AppendLine("    ],", bCrlf)
sb.AppendLine("    " & Chr(34) & "excluido" & Chr(34) & ": false", bCrlf)
sb.AppendLine("  },", bCrlf)
sb.AppendLine("  {", bCrlf)
sb.AppendLine("    " & Chr(34) & "telefones" & Chr(34) & ": [", bCrlf)
sb.AppendLine("    ],", bCrlf)
sb.AppendLine("    " & Chr(34) & "cnpj" & Chr(34) & ": " & Chr(34) & "12496555500180" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "rua" & Chr(34) & ": " & Chr(34) & "AV ROLF WIEST, 100" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "complemento" & Chr(34) & ": " & Chr(34) & "ANDAR 7 SALA 612 A 620" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "contatos" & Chr(34) & ": [", bCrlf)
sb.AppendLine("    ],", bCrlf)
sb.AppendLine("    " & Chr(34) & "tipo" & Chr(34) & ": " & Chr(34) & "J" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "razao_social" & Chr(34) & ": " & Chr(34) & "SIMPLE SOFTWARE LTDA" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "nome_fantasia" & Chr(34) & ": " & Chr(34) & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "bairro" & Chr(34) & ": " & Chr(34) & "DOM ZETIRO" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "cidade" & Chr(34) & ": " & Chr(34) & "APARTVILLE" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "inscricao_estadual" & Chr(34) & ": " & Chr(34) & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "observacao" & Chr(34) & ": " & Chr(34) & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "id" & Chr(34) & ": 2255594,", bCrlf)
sb.AppendLine("    " & Chr(34) & "ultima_alteracao" & Chr(34) & ": " & Chr(34) & "2016-12-26 16:28:31" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "cep" & Chr(34) & ": " & Chr(34) & "89255505" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "suframa" & Chr(34) & ": " & Chr(34) & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "estado" & Chr(34) & ": " & Chr(34) & "SC" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "emails" & Chr(34) & ": [", bCrlf)
sb.AppendLine("    ],", bCrlf)
sb.AppendLine("    " & Chr(34) & "excluido" & Chr(34) & ": false", bCrlf)
sb.AppendLine("  },", bCrlf)
sb.AppendLine("  {", bCrlf)
sb.AppendLine("    " & Chr(34) & "telefones" & Chr(34) & ": [", bCrlf)
sb.AppendLine("      {", bCrlf)
sb.AppendLine("        " & Chr(34) & "numero" & Chr(34) & ": " & Chr(34) & "1938655556" & Chr(34) & ",", bCrlf)
sb.AppendLine("        " & Chr(34) & "tipo" & Chr(34) & ": " & Chr(34) & "T" & Chr(34) & ",", bCrlf)
sb.AppendLine("        " & Chr(34) & "id" & Chr(34) & ": 2555438", bCrlf)
sb.AppendLine("      }", bCrlf)
sb.AppendLine("    ],", bCrlf)
sb.AppendLine("    " & Chr(34) & "cnpj" & Chr(34) & ": " & Chr(34) & "00003555500153" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "rua" & Chr(34) & ": " & Chr(34) & "AV ABCDEF PINTO CATAO, 18" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "complemento" & Chr(34) & ": " & Chr(34) & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "contatos" & Chr(34) & ": [", bCrlf)
sb.AppendLine("      {", bCrlf)
sb.AppendLine("        " & Chr(34) & "telefones" & Chr(34) & ": [", bCrlf)
sb.AppendLine("          {", bCrlf)
sb.AppendLine("            " & Chr(34) & "numero" & Chr(34) & ": " & Chr(34) & "1999655554" & Chr(34) & ",", bCrlf)
sb.AppendLine("            " & Chr(34) & "tipo" & Chr(34) & ": " & Chr(34) & "T" & Chr(34) & ",", bCrlf)
sb.AppendLine("            " & Chr(34) & "id" & Chr(34) & ": 2555559", bCrlf)
sb.AppendLine("          }", bCrlf)
sb.AppendLine("        ],", bCrlf)
sb.AppendLine("        " & Chr(34) & "cargo" & Chr(34) & ": " & Chr(34) & "zzz de compras" & Chr(34) & ",", bCrlf)
sb.AppendLine("        " & Chr(34) & "nome" & Chr(34) & ": " & Chr(34) & "Gerard" & Chr(34) & ",", bCrlf)
sb.AppendLine("        " & Chr(34) & "emails" & Chr(34) & ": [", bCrlf)
sb.AppendLine("          {", bCrlf)
sb.AppendLine("            " & Chr(34) & "email" & Chr(34) & ": " & Chr(34) & "gerard@terra.com.br" & Chr(34) & ",", bCrlf)
sb.AppendLine("            " & Chr(34) & "tipo" & Chr(34) & ": " & Chr(34) & "T" & Chr(34) & ",", bCrlf)
sb.AppendLine("            " & Chr(34) & "id" & Chr(34) & ": 1065559", bCrlf)
sb.AppendLine("          }", bCrlf)
sb.AppendLine("        ],", bCrlf)
sb.AppendLine("        " & Chr(34) & "id" & Chr(34) & ": 844485,", bCrlf)
sb.AppendLine("        " & Chr(34) & "excluido" & Chr(34) & ": false", bCrlf)
sb.AppendLine("      }", bCrlf)
sb.AppendLine("    ],", bCrlf)
sb.AppendLine("    " & Chr(34) & "tipo" & Chr(34) & ": " & Chr(34) & "J" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "razao_social" & Chr(34) & ": " & Chr(34) & "TIDY TECNOLOGIA LTDA - EPP" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "nome_fantasia" & Chr(34) & ": " & Chr(34) & "TIDY" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "bairro" & Chr(34) & ": " & Chr(34) & "TUNA" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "cidade" & Chr(34) & ": " & Chr(34) & "JAGUAR" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "inscricao_estadual" & Chr(34) & ": " & Chr(34) & "395.222.441.222" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "observacao" & Chr(34) & ": " & Chr(34) & "ligar sempre depois das 14hs" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "id" & Chr(34) & ": 2255597,", bCrlf)
sb.AppendLine("    " & Chr(34) & "ultima_alteracao" & Chr(34) & ": " & Chr(34) & "2016-12-28 07:31:52" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "cep" & Chr(34) & ": " & Chr(34) & "13555500" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "suframa" & Chr(34) & ": " & Chr(34) & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "estado" & Chr(34) & ": " & Chr(34) & "SP" & Chr(34) & ",", bCrlf)
sb.AppendLine("    " & Chr(34) & "emails" & Chr(34) & ": [", bCrlf)
sb.AppendLine("      {", bCrlf)
sb.AppendLine("        " & Chr(34) & "email" & Chr(34) & ": " & Chr(34) & "xi@tidy.com.br" & Chr(34) & ",", bCrlf)
sb.AppendLine("        " & Chr(34) & "tipo" & Chr(34) & ": " & Chr(34) & "T" & Chr(34) & ",", bCrlf)
sb.AppendLine("        " & Chr(34) & "id" & Chr(34) & ": 10655558", bCrlf)
sb.AppendLine("      }", bCrlf)
sb.AppendLine("    ],", bCrlf)
sb.AppendLine("    " & Chr(34) & "excluido" & Chr(34) & ": false", bCrlf)
sb.AppendLine("  }", bCrlf)
sb.AppendLine("]", bCrlf)

'  Load the JSON array into a JsonArray:
Dim jsonArray As ChilkatJsonArray
jsonArray.Initialize
success = jsonArray.LoadSb(sb)
If success <> True Then
    Log(jsonArray.LastErrorText)
    Return
End If


'  Get some information from each record in the array.
Dim numRecords As Int = jsonArray.Size
Dim i As Int = 0
Do While i < numRecords
    Log("------ Record " & i & " -------")

    Dim jsonRecord As ChilkatJsonObject = jsonArray.ObjectAt(i)

    '  Examine information for this record
    Dim numTelefones As Int = jsonRecord.SizeOfArray("telefones")
    Log("Number of telefones: " & numTelefones)
    Dim j As Int = 0
    Do While j < numTelefones
        jsonRecord.J = j
        Log("  telefones numero: " & jsonRecord.StringOf("telefones[j].numero"))
        Log("  telefones tipo: " & jsonRecord.StringOf("telefones[j].tipo"))
        Log("  telefones id: " & jsonRecord.StringOf("telefones[j].id"))
        j = j + 1
    Loop

    Log("cnpj: " & jsonRecord.StringOf("cnpj"))
    Log("rua: " & jsonRecord.StringOf("rua"))
    '  ...

    Dim numContatos As Int = jsonRecord.SizeOfArray("contatos")
    Log("Number of contatos: " & numContatos)
    j = 0
    Do While j < numContatos
        jsonRecord.J = j

        numTelefones = jsonRecord.SizeOfArray("contatos[j].telefones")
        Log("  Number of telefones: " & numTelefones)
        Dim k As Int = 0
        Do While k < numTelefones
            jsonRecord.K = k
            Log("  telefones numero: " & jsonRecord.StringOf("contatos[j].telefones[k].numero"))
            Log("  telefones tipo: " & jsonRecord.StringOf("contatos[j].telefones[k].tipo"))
            Log("  telefones id: " & jsonRecord.StringOf("contatos[j].telefones[k].id"))
            k = k + 1
        Loop

        Log("  cargo: " & jsonRecord.StringOf("contatos[j].cargo"))

        Dim numEmails As Int = jsonRecord.SizeOfArray("contatos[j].emails")
        Log("  Number of emails: " & numEmails)
        k = 0
        Do While k < numEmails
            jsonRecord.K = k
            Log("  emails email: " & jsonRecord.StringOf("contatos[j].emails[k].email"))
            Log("  emails tipo: " & jsonRecord.StringOf("contatos[j].emails[k].tipo"))
            Log("  emails id: " & jsonRecord.StringOf("contatos[j].emails[k].id"))
            k = k + 1
        Loop

        j = j + 1
    Loop


    i = i + 1
Loop

'  The output for the above code is:

'  	------ Record 0 -------
'  	Number of telefones: 1
'  	  telefones numero: 19995555555
'  	  telefones tipo: T
'  	  telefones id: 2541437
'  	cnpj: 11395551000164
'  	rua: R XAVIER AUGUSTO ROGGE, 22
'  	Number of contatos: 0
'  	------ Record 1 -------
'  	Number of telefones: 0
'  	cnpj: 12496555500180
'  	rua: AV ROLF WIEST, 100
'  	Number of contatos: 0
'  	------ Record 2 -------
'  	Number of telefones: 1
'  	  telefones numero: 1938655556
'  	  telefones tipo: T
'  	  telefones id: 2555438
'  	cnpj: 00003555500153
'  	rua: AV ABCDEF PINTO CATAO, 18
'  	Number of contatos: 1
'  	  Number of telefones: 1
'  	  telefones numero: 1999655554
'  	  telefones tipo: T
'  	  telefones id: 2555559
'  	  cargo: zzz de compras
'  	  Number of emails: 1
'  	  emails email: gerard@terra.com.br
'  	  emails tipo: T
'  	  emails id: 1065559
'