- ValidateAsync(byte[]) → ValidateAsync(Stream) - ValidatePdfAAsync(byte[]) → ValidatePdfAAsync(Stream) - CheckAttachmentsAsync(byte[]) → CheckAttachmentsAsync(Stream) - Reason: Stream-based processing reduces memory footprint and enables pipeline parallelization
36 lines
1.6 KiB
C#
36 lines
1.6 KiB
C#
using DocumentOperator.Application.Common.DTOs;
|
|
|
|
namespace DocumentOperator.Application.Common.Interfaces;
|
|
|
|
public interface IPdfProcessor
|
|
{
|
|
/// <summary>
|
|
/// Validates a PDF and extracts metadata.
|
|
/// </summary>
|
|
/// <param name="pdfStream">PDF content as stream (caller is responsible for disposal)</param>
|
|
/// <returns>PDF metadata (page count, size, version, attachments)</returns>
|
|
/// <exception cref="Domain.Common.Exceptions.BadRequestException">
|
|
/// Thrown when stream is empty or invalid
|
|
/// </exception>
|
|
Task<PdfMetadata> ValidateAsync(Stream pdfStream);
|
|
|
|
/// <summary>
|
|
/// Validates a PDF/A document and checks conformance level.
|
|
/// </summary>
|
|
/// <param name="pdfStream">PDF content as stream (caller is responsible for disposal)</param>
|
|
/// <returns>PDF/A metadata including conformance level and validation errors/warnings</returns>
|
|
/// <exception cref="Domain.Common.Exceptions.BadRequestException">
|
|
/// Thrown when stream is empty or invalid
|
|
/// </exception>
|
|
Task<PdfAMetadata> ValidatePdfAAsync(Stream pdfStream);
|
|
|
|
/// <summary>
|
|
/// Checks for embedded files (attachments) in a PDF document and returns detailed metadata.
|
|
/// </summary>
|
|
/// <param name="pdfStream">PDF content as stream (caller is responsible for disposal)</param>
|
|
/// <returns>Attachment information (count, file names, MIME types, sizes)</returns>
|
|
/// <exception cref="Domain.Common.Exceptions.BadRequestException">
|
|
/// Thrown when stream is empty or invalid
|
|
/// </exception>
|
|
Task<AttachmentInfo> CheckAttachmentsAsync(Stream pdfStream);
|
|
} |