(Delphi DLL) JSON FindRecord Example

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

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;
accountRec: HCkJsonObject;

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 goal is to search the array of Account records to return the 1st match

// Find the account with the name "Advertising"
arrayPath := 'QueryResponse.Account';
relativePath := 'Name';
value := 'Advertising';
caseSensitive := True;

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

// The accountRec should contain this:

//       {
//         "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"
//         }
//       }

Memo1.Lines.Add('FullyQualifiedName: ' + CkJsonObject__stringOf(accountRec,'FullyQualifiedName'));
Memo1.Lines.Add('AccountType: ' + CkJsonObject__stringOf(accountRec,'AccountType'));
Memo1.Lines.Add('AccountSubType: ' + CkJsonObject__stringOf(accountRec,'AccountSubType'));
Memo1.Lines.Add('----');
CkJsonObject_Dispose(accountRec);

// ------------------------------------------------------------------
// Find the first account where the currency is USD
relativePath := 'CurrencyRef.value';
value := 'USD';
caseSensitive := True;

accountRec := CkJsonObject_FindRecord(json,arrayPath,relativePath,value,caseSensitive);
if (CkJsonObject_getLastMethodSuccess(json) <> True) then
  begin
    Memo1.Lines.Add('Record not found.');
    Exit;
  end;
Memo1.Lines.Add('Name: ' + CkJsonObject__stringOf(accountRec,'Name'));
Memo1.Lines.Add('CurrencyRef.name: ' + CkJsonObject__stringOf(accountRec,'CurrencyRef.name'));
Memo1.Lines.Add('----');
CkJsonObject_Dispose(accountRec);

// ------------------------------------------------------------------
// Find the first account with "receivable" in the name (case insensitive)
relativePath := 'Name';
value := '*receivable*';
caseSensitive := False;

accountRec := CkJsonObject_FindRecord(json,arrayPath,relativePath,value,caseSensitive);
if (CkJsonObject_getLastMethodSuccess(json) <> True) then
  begin
    Memo1.Lines.Add('Record not found.');
    Exit;
  end;
Memo1.Lines.Add('Name: ' + CkJsonObject__stringOf(accountRec,'Name'));
Memo1.Lines.Add('----');
CkJsonObject_Dispose(accountRec);

// -----------------------------------------------------------------
// 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;