feat: HttpClient, String&Date Utility classes, Transformer + updates to QueryBuilder and SObjectSelector

[nkskaare]

Summary

This pull request introduces updates across multiple files, focusing on enhancing utility classes for date formatting, HTTP client functionality, and query building. The changes include the addition of new methods, classes, and interfaces to improve functionality and maintainability.

Date Formatting Utilities:

• src/apex/utils/classes/DateFormatUtility.cls: Added DateFormatUtility class with methods for formatting and parsing dates and date-times, including custom exceptions and handling different date formats.

HTTP Client Enhancements:

• src/apex/utils/classes/HttpClient.cls: Introduced HttpClient class implementing IHttpClient.Callout and IHttpClient.Callback, with nested classes for URL handling, request building, and JSON configuration parsing. This includes methods for synchronous and asynchronous HTTP callouts, and retry logic.

Query Building Improvements:

• src/apex/utils/classes/QueryBuilder.cls: Enhanced QueryBuilder class to support complex query conditions, bind variables, and improved filter handling. This includes changes to the Condition class for better expression handling and the addition of methods for setting and retrieving bind variables. [1] [2] [3] [4] [5] [6] [7] [8] [9]

SObject Selector Update:

• src/apex/utils/classes/SObjectSelector.cls: Updated SObjectSelector class to include accessLevel and builder attributes, enhancing its configuration capabilities.