at.gv.egiz.pdfas.framework.verificator
Interface Verificator

All Known Implementing Classes:

BinaryVerificator_1_0_0

public interface Verificator

Given an Incremental Update Block and the corresponding PDF, a verificator extracts all Signatures of its type and returns them as valitatable SignatureHolders.

Author:

wprinz

Method Summary

List	parseBlock(PdfDataSource pdfDataSource, byte[] pdf, FooterParseResult block, int start_of_whole_block) Parses the given document/Block for signatures of this type.

Method Detail

parseBlock

public List parseBlock(PdfDataSource pdfDataSource,
                       byte[] pdf,
                       FooterParseResult block,
                       int start_of_whole_block)
                throws PresentableException

Parses the given document/Block for signatures of this type.

Parameters:

pdf - The whole pdf document. A Verificator must only access the document up to its given block (block.next_index) and must not modify any byte in the pdf array.

block - The incremental update block.

start_of_whole_block - The start of the incremental update block (the end of the previous block) - If 0, this is the first block (the original Document).

Returns:

Returns the List of SignatureHolder objects found for this block.

Throws:

PresentableException