(Delphi DLL) JSON FindRecordString Example

Demonstrates the FindRecordString method for searching an array of JSON records. The data used in this example is available at JSON sample data for FindRecordString.

Note: This example requires Chilkat v9.5.0.63 or later.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
json: HCkJsonObject;
success: Boolean;
arrayPath: PWideChar;
relativePath: PWideChar;
value: PWideChar;
caseSensitive: Boolean;
retRelPath: PWideChar;
id: PWideChar;

begin
// Note: This example requires Chilkat v9.5.0.63 or later.
json := CkJsonObject_Create();

success := CkJsonObject_LoadFile(json,'qa_data/json/qb_accounts.json');

// A sample of the content of qb_accounts.json is shown at the bottom of this example.
// The idea of FindRecordString is to search for a record matching one field,
// and then return the value of another field.

// For example, we want to find the "Id" for the record where Name = Advertising

arrayPath := 'QueryResponse.Account';
relativePath := 'Name';
value := 'Advertising';
caseSensitive := True;
retRelPath := 'Id';

id := CkJsonObject__findRecordString(json,arrayPath,relativePath,value,caseSensitive,retRelPath);
if (CkJsonObject_getLastMethodSuccess(json) <> True) then
  begin
    Memo1.Lines.Add('Record not found.');
    Exit;
  end;

// The Id should be 7.
Memo1.Lines.Add('The Id of the Advertising account is ' + id);

// -----------------------------------------------------------------
// qb_accounts.json contains this data
// 
// {
//   "QueryResponse": {
//     "Account": [
//       {
//         "Name": "Accounts Payable (A/P)",
//         "SubAccount": false,
//         "Description": "Description added during update.",
//         "FullyQualifiedName": "Accounts Payable (A/P)",
//         "Active": true,
//         "Classification": "Liability",
//         "AccountType": "Accounts Payable",
//         "AccountSubType": "AccountsPayable",
//         "CurrentBalance": -1602.67,
//         "CurrentBalanceWithSubAccounts": -1602.67,
//         "CurrencyRef": {
//           "value": "USD",
//           "name": "United States Dollar"
//         },
//         "domain": "QBO",
//         "sparse": false,
//         "Id": "33",
//         "SyncToken": "1",
//         "MetaData": {
//           "CreateTime": "2016-09-10T10:12:02-07:00",
//           "LastUpdatedTime": "2016-10-24T16:41:39-07:00"
//         }
//       },
//       {
//         "Name": "Accounts Receivable (A/R)",
//         "SubAccount": false,
//         "FullyQualifiedName": "Accounts Receivable (A/R)",
//         "Active": true,
//         "Classification": "Asset",
//         "AccountType": "Accounts Receivable",
//         "AccountSubType": "AccountsReceivable",
//         "CurrentBalance": 5281.52,
//         "CurrentBalanceWithSubAccounts": 5281.52,
//         "CurrencyRef": {
//           "value": "USD",
//           "name": "United States Dollar"
//         },
//         "domain": "QBO",
//         "sparse": false,
//         "Id": "84",
//         "SyncToken": "0",
//         "MetaData": {
//           "CreateTime": "2016-09-14T14:49:29-07:00",
//           "LastUpdatedTime": "2016-09-17T13:16:17-07:00"
//         }
//       },
//       {
//         "Name": "Advertising",
//         "SubAccount": false,
//         "FullyQualifiedName": "Advertising",
//         "Active": true,
//         "Classification": "Expense",
//         "AccountType": "Expense",
//         "AccountSubType": "AdvertisingPromotional",
//         "CurrentBalance": 0,
//         "CurrentBalanceWithSubAccounts": 0,
//         "CurrencyRef": {
//           "value": "USD",
//           "name": "United States Dollar"
//         },
//         "domain": "QBO",
//         "sparse": false,
//         "Id": "7",
//         "SyncToken": "0",
//         "MetaData": {
//           "CreateTime": "2016-09-09T14:42:07-07:00",
//           "LastUpdatedTime": "2016-09-09T14:42:07-07:00"
//         }
//       },
//       {
//         "Name": "Arizona Dept. of Revenue Payable",
//         "SubAccount": false,
//         "FullyQualifiedName": "Arizona Dept. of Revenue Payable",
//         "Active": true,
//         "Classification": "Liability",
//         "AccountType": "Other Current Liability",
//         "AccountSubType": "GlobalTaxPayable",
//         "CurrentBalance": 0,
//         "CurrentBalanceWithSubAccounts": 0,
//         "CurrencyRef": {
//           "value": "USD",
//           "name": "United States Dollar"
//         },
//         "domain": "QBO",
//         "sparse": false,
//         "Id": "89",
//         "SyncToken": "0",
//         "MetaData": {
//           "CreateTime": "2016-09-16T12:17:04-07:00",
//           "LastUpdatedTime": "2016-09-17T13:05:01-07:00"
//         }
//       },
//       {
//         "Name": "Automobile",
//         "SubAccount": false,
//         "FullyQualifiedName": "Automobile",
//         "Active": true,
//         "Classification": "Expense",
//         "AccountType": "Expense",
//         "AccountSubType": "Auto",
//         "CurrentBalance": 0,
//         "CurrentBalanceWithSubAccounts": 0,
//         "CurrencyRef": {
//           "value": "USD",
//           "name": "United States Dollar"
//         },
//         "domain": "QBO",
//         "sparse": false,
//         "Id": "55",
//         "SyncToken": "0",
//         "MetaData": {
//           "CreateTime": "2016-09-14T10:15:53-07:00",
//           "LastUpdatedTime": "2016-09-14T10:16:05-07:00"
//         }
//       },
// ...
// 

CkJsonObject_Dispose(json);

end;