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C

Loading and Parsing a Complex JSON Array

See more JSON Examples

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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C
#include <C_CkStringBuilder.h>
#include <C_CkJsonArray.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkStringBuilder sb;
    BOOL bCrlf;
    HCkJsonArray jsonArray;
    int numRecords;
    int i;
    HCkJsonObject jsonRecord;
    int numTelefones;
    int j;
    int numContatos;
    int k;
    int numEmails;

    success = 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.
    sb = CkStringBuilder_Create();
    bCrlf = TRUE;
    CkStringBuilder_AppendLine(sb,"[",bCrlf);
    CkStringBuilder_AppendLine(sb,"  {",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"telefones\": [",bCrlf);
    CkStringBuilder_AppendLine(sb,"      {",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"numero\": \"19995555555\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"tipo\": \"T\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"id\": 2541437",bCrlf);
    CkStringBuilder_AppendLine(sb,"      }",bCrlf);
    CkStringBuilder_AppendLine(sb,"    ],",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"cnpj\": \"11395551000164\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"rua\": \"R XAVIER AUGUSTO ROGGE, 22\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"complemento\": \"\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"contatos\": [",bCrlf);
    CkStringBuilder_AppendLine(sb,"    ],",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"tipo\": \"J\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"razao_social\": \"SOUP BRASIL LTDA - ME\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"nome_fantasia\": \"SOUP BRASIL\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"bairro\": \"ABC DOS COLIBRIS\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"cidade\": \"TEST\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"inscricao_estadual\": \"222.102.222.116\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"observacao\": \"\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"id\": 2209595,",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"ultima_alteracao\": \"2016-12-26 16:22:34\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"cep\": \"13555000\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"suframa\": \"\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"estado\": \"SP\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"emails\": [",bCrlf);
    CkStringBuilder_AppendLine(sb,"      {",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"email\": \"somebody@terra.com.br\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"tipo\": \"T\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"id\": 1065557",bCrlf);
    CkStringBuilder_AppendLine(sb,"      }",bCrlf);
    CkStringBuilder_AppendLine(sb,"    ],",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"excluido\": false",bCrlf);
    CkStringBuilder_AppendLine(sb,"  },",bCrlf);
    CkStringBuilder_AppendLine(sb,"  {",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"telefones\": [",bCrlf);
    CkStringBuilder_AppendLine(sb,"    ],",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"cnpj\": \"12496555500180\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"rua\": \"AV ROLF WIEST, 100\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"complemento\": \"ANDAR 7 SALA 612 A 620\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"contatos\": [",bCrlf);
    CkStringBuilder_AppendLine(sb,"    ],",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"tipo\": \"J\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"razao_social\": \"SIMPLE SOFTWARE LTDA\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"nome_fantasia\": \"\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"bairro\": \"DOM ZETIRO\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"cidade\": \"APARTVILLE\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"inscricao_estadual\": \"\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"observacao\": \"\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"id\": 2255594,",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"ultima_alteracao\": \"2016-12-26 16:28:31\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"cep\": \"89255505\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"suframa\": \"\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"estado\": \"SC\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"emails\": [",bCrlf);
    CkStringBuilder_AppendLine(sb,"    ],",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"excluido\": false",bCrlf);
    CkStringBuilder_AppendLine(sb,"  },",bCrlf);
    CkStringBuilder_AppendLine(sb,"  {",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"telefones\": [",bCrlf);
    CkStringBuilder_AppendLine(sb,"      {",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"numero\": \"1938655556\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"tipo\": \"T\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"id\": 2555438",bCrlf);
    CkStringBuilder_AppendLine(sb,"      }",bCrlf);
    CkStringBuilder_AppendLine(sb,"    ],",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"cnpj\": \"00003555500153\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"rua\": \"AV ABCDEF PINTO CATAO, 18\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"complemento\": \"\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"contatos\": [",bCrlf);
    CkStringBuilder_AppendLine(sb,"      {",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"telefones\": [",bCrlf);
    CkStringBuilder_AppendLine(sb,"          {",bCrlf);
    CkStringBuilder_AppendLine(sb,"            \"numero\": \"1999655554\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"            \"tipo\": \"T\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"            \"id\": 2555559",bCrlf);
    CkStringBuilder_AppendLine(sb,"          }",bCrlf);
    CkStringBuilder_AppendLine(sb,"        ],",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"cargo\": \"zzz de compras\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"nome\": \"Gerard\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"emails\": [",bCrlf);
    CkStringBuilder_AppendLine(sb,"          {",bCrlf);
    CkStringBuilder_AppendLine(sb,"            \"email\": \"gerard@terra.com.br\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"            \"tipo\": \"T\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"            \"id\": 1065559",bCrlf);
    CkStringBuilder_AppendLine(sb,"          }",bCrlf);
    CkStringBuilder_AppendLine(sb,"        ],",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"id\": 844485,",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"excluido\": false",bCrlf);
    CkStringBuilder_AppendLine(sb,"      }",bCrlf);
    CkStringBuilder_AppendLine(sb,"    ],",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"tipo\": \"J\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"razao_social\": \"TIDY TECNOLOGIA LTDA - EPP\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"nome_fantasia\": \"TIDY\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"bairro\": \"TUNA\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"cidade\": \"JAGUAR\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"inscricao_estadual\": \"395.222.441.222\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"observacao\": \"ligar sempre depois das 14hs\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"id\": 2255597,",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"ultima_alteracao\": \"2016-12-28 07:31:52\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"cep\": \"13555500\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"suframa\": \"\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"estado\": \"SP\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"emails\": [",bCrlf);
    CkStringBuilder_AppendLine(sb,"      {",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"email\": \"xi@tidy.com.br\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"tipo\": \"T\",",bCrlf);
    CkStringBuilder_AppendLine(sb,"        \"id\": 10655558",bCrlf);
    CkStringBuilder_AppendLine(sb,"      }",bCrlf);
    CkStringBuilder_AppendLine(sb,"    ],",bCrlf);
    CkStringBuilder_AppendLine(sb,"    \"excluido\": false",bCrlf);
    CkStringBuilder_AppendLine(sb,"  }",bCrlf);
    CkStringBuilder_AppendLine(sb,"]",bCrlf);

    // Load the JSON array into a JsonArray:
    jsonArray = CkJsonArray_Create();
    success = CkJsonArray_LoadSb(jsonArray,sb);
    if (success != TRUE) {
        printf("%s\n",CkJsonArray_lastErrorText(jsonArray));
        CkStringBuilder_Dispose(sb);
        CkJsonArray_Dispose(jsonArray);
        return;
    }

    // Get some information from each record in the array.
    numRecords = CkJsonArray_getSize(jsonArray);
    i = 0;
    while (i < numRecords) {
        printf("------ Record %d -------\n",i);

        jsonRecord = CkJsonArray_ObjectAt(jsonArray,i);

        // Examine information for this record
        numTelefones = CkJsonObject_SizeOfArray(jsonRecord,"telefones");
        printf("Number of telefones: %d\n",numTelefones);
        j = 0;
        while (j < numTelefones) {
            CkJsonObject_putJ(jsonRecord,j);
            printf("  telefones numero: %s\n",CkJsonObject_stringOf(jsonRecord,"telefones[j].numero"));
            printf("  telefones tipo: %s\n",CkJsonObject_stringOf(jsonRecord,"telefones[j].tipo"));
            printf("  telefones id: %s\n",CkJsonObject_stringOf(jsonRecord,"telefones[j].id"));
            j = j + 1;
        }

        printf("cnpj: %s\n",CkJsonObject_stringOf(jsonRecord,"cnpj"));
        printf("rua: %s\n",CkJsonObject_stringOf(jsonRecord,"rua"));
        // ...

        numContatos = CkJsonObject_SizeOfArray(jsonRecord,"contatos");
        printf("Number of contatos: %d\n",numContatos);
        j = 0;
        while (j < numContatos) {
            CkJsonObject_putJ(jsonRecord,j);

            numTelefones = CkJsonObject_SizeOfArray(jsonRecord,"contatos[j].telefones");
            printf("  Number of telefones: %d\n",numTelefones);
            k = 0;
            while (k < numTelefones) {
                CkJsonObject_putK(jsonRecord,k);
                printf("  telefones numero: %s\n",CkJsonObject_stringOf(jsonRecord,"contatos[j].telefones[k].numero"));
                printf("  telefones tipo: %s\n",CkJsonObject_stringOf(jsonRecord,"contatos[j].telefones[k].tipo"));
                printf("  telefones id: %s\n",CkJsonObject_stringOf(jsonRecord,"contatos[j].telefones[k].id"));
                k = k + 1;
            }

            printf("  cargo: %s\n",CkJsonObject_stringOf(jsonRecord,"contatos[j].cargo"));

            numEmails = CkJsonObject_SizeOfArray(jsonRecord,"contatos[j].emails");
            printf("  Number of emails: %d\n",numEmails);
            k = 0;
            while (k < numEmails) {
                CkJsonObject_putK(jsonRecord,k);
                printf("  emails email: %s\n",CkJsonObject_stringOf(jsonRecord,"contatos[j].emails[k].email"));
                printf("  emails tipo: %s\n",CkJsonObject_stringOf(jsonRecord,"contatos[j].emails[k].tipo"));
                printf("  emails id: %s\n",CkJsonObject_stringOf(jsonRecord,"contatos[j].emails[k].id"));
                k = k + 1;
            }

            j = j + 1;
        }

        CkJsonObject_Dispose(jsonRecord);
        i = i + 1;
    }

    // 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
    // 


    CkStringBuilder_Dispose(sb);
    CkJsonArray_Dispose(jsonArray);

    }