Package eu.europa.esig.dss.pades

Class PAdESUtils

java.lang.Object

eu.europa.esig.dss.pades.PAdESUtils

public final class PAdESUtils
extends Object

Utils for dealing with PAdES

Field Summary

Fields

Modifier and Type	Field	Description
static int	DEFAULT_FIRST_PAGE	Defines a number of a first page in a document

Method Summary

Modifier and Type	Method	Description
static InMemoryDocument	getOriginalPDF(PAdESSignature padesSignature)	Returns the original signed content for the padesSignature
static InMemoryDocument	getOriginalPDF(PdfCMSRevision pdfRevision)	Returns the original signed content for the pdfRevision
static RevocationInfoArchival	getRevocationInfoArchival(org.bouncycastle.asn1.ASN1Encodable encodable)	Returns RevocationInfoArchival from the given encodable
static byte[]	getSignedContent(DSSDocument dssDocument, ByteRange byteRange)	Returns a signed content according to the provided byteRange
static boolean	isPDFDocument(DSSDocument document)	Checks if the given DSSDocument represents a PDF document
static InMemoryDocument	retrievePreviousPDFRevision(DSSDocument document, ByteRange byteRange)	Retrieves the PDF document up to the previous PDF Revision, an empty document if such revision is not found

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_FIRST_PAGE

public static final int DEFAULT_FIRST_PAGE

Defines a number of a first page in a document

See Also:

Constant Field Values

Method Details

getOriginalPDF

public static InMemoryDocument getOriginalPDF(PAdESSignature padesSignature)

Returns the original signed content for the padesSignature

Parameters:

padesSignature - PAdESSignature

Returns:

InMemoryDocument

getOriginalPDF

public static InMemoryDocument getOriginalPDF(PdfCMSRevision pdfRevision)

Returns the original signed content for the pdfRevision

Parameters:

pdfRevision - PdfRevision

Returns:

InMemoryDocument

retrievePreviousPDFRevision

public static InMemoryDocument retrievePreviousPDFRevision(DSSDocument document,
ByteRange byteRange)

Retrieves the PDF document up to the previous PDF Revision, an empty document if such revision is not found

Parameters:

document - DSSDocument the original document

byteRange - ByteRange representing the signed revision, to get the previous covered PDF for

Returns:

InMemoryDocument the PDF document up to the signed revision

getSignedContent

public static byte[] getSignedContent(DSSDocument dssDocument,
ByteRange byteRange)
                               throws IOException

Returns a signed content according to the provided byteRange

Parameters:

dssDocument - DSSDocument to extract the content from

byteRange - ByteRange indicating which content range should be extracted

Returns:

extracted content

Throws:

IOException - in case if an exception occurs

getRevocationInfoArchival

public static RevocationInfoArchival getRevocationInfoArchival(org.bouncycastle.asn1.ASN1Encodable encodable)

Returns RevocationInfoArchival from the given encodable

Parameters:

encodable - the encoded data to be parsed

Returns:

an instance of RevocationValues or null if the parsing failed

isPDFDocument

public static boolean isPDFDocument(DSSDocument document)

Checks if the given DSSDocument represents a PDF document

Parameters:

document - DSSDocument to check

Returns:

TRUE if the document is a PDF, FALSE otherwise