Package se.swedenconnect.sigval.pdf.pdfstruct.impl

Class DefaultPDFSignatureContextFactory

java.lang.Object

se.swedenconnect.sigval.pdf.pdfstruct.impl.DefaultPDFSignatureContextFactory

All Implemented Interfaces:

PDFSignatureContextFactory

public class DefaultPDFSignatureContextFactory
extends Object
implements PDFSignatureContextFactory

Default implementation of the PDFSignatureContextFactory providing a base PDF signature context for signed PDF documents to determine whether updates to a PDF document after it was signed can be considered safe with respect to visual content.

Author:

Martin Lindström (martin@idsec.se), Stefan Santesson (stefan@idsec.se)

Constructor Summary

Constructors

Constructor	Description
DefaultPDFSignatureContextFactory()

Method Summary

Modifier and Type	Method	Description
PDFSignatureContext	getPdfSignatureContext(byte[] pdfDocument)	Provide a PDF signature context object for a particular PDF document.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DefaultPDFSignatureContextFactory

public DefaultPDFSignatureContextFactory()

Method Details

getPdfSignatureContext

public PDFSignatureContext getPdfSignatureContext(byte[] pdfDocument)
                                           throws IOException

Provide a PDF signature context object for a particular PDF document. This signature context object can be used to determine signature validity and whether a signature in the document covers the whole document.

Specified by:

getPdfSignatureContext in interface PDFSignatureContextFactory

Parameters:

pdfDocument - the target PDF document

Returns:

an implementatioin of the PDFSignatureContext interface

Throws:

IOException - error parsing the provided PDF document