Package eu.europa.esig.dss.pdf.openpdf

Class ITextPDFSignatureService

java.lang.Object

eu.europa.esig.dss.pdf.AbstractPDFSignatureService

eu.europa.esig.dss.pdf.openpdf.ITextPDFSignatureService

All Implemented Interfaces:

PDFSignatureService, PDFTimestampService

public class ITextPDFSignatureService
extends AbstractPDFSignatureService

Implementation of PDFSignatureService using iText

Field Summary

Fields inherited from class eu.europa.esig.dss.pdf.AbstractPDFSignatureService

signatureDrawerFactory, timestamp

Constructor Summary

Constructors

Constructor	Description
ITextPDFSignatureService(boolean timestamp, ITextSignatureDrawerFactory signatureDrawerFactory)	Constructor for the ITextPDFSignatureService

Method Summary

Modifier and Type	Method	Description
DSSDocument	addDssDictionary(DSSDocument document, List<DSSDictionaryCallback> callbacks)	This method adds the DSS dictionary (Baseline-LT)
DSSDocument	addNewSignatureField(DSSDocument document, SignatureFieldParameters parameters)	This method allows to add a new signature field to an existing pdf document
byte[]	digest(DSSDocument toSignDocument, PAdESSignatureParameters parameters, DigestAlgorithm digestAlgorithm)	Returns the digest value of a PDF document
List<String>	getAvailableSignatureFields(DSSDocument document)	This method returns not signed signature-fields
protected List<PdfSignatureOrDocTimestampInfo>	getSignatures(CertificatePool validationCertPool, DSSDocument document)
DSSDocument	sign(DSSDocument toSignDocument, byte[] signatureValue, PAdESSignatureParameters parameters, DigestAlgorithm digestAlgorithm)	Signs a PDF document

Methods inherited from class eu.europa.esig.dss.pdf.AbstractPDFSignatureService

buildKnownObjects, getFilter, getImageParameters, getOriginalBytes, getSignatureName, getSignatureValue, getSignedContent, getSubFilter, getTokenDigest, getType, isContentValueEqualsByteRangeExtraction, linkSignatures, timestamp, validateByteRange, validateSignatures

Methods inherited from class java.lang.Object

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

Constructor Detail

ITextPDFSignatureService

public ITextPDFSignatureService(boolean timestamp,
                                ITextSignatureDrawerFactory signatureDrawerFactory)

Constructor for the ITextPDFSignatureService

Parameters:

timestamp - if true, the instance is used to generate DocumentTypestamp if false, it is used to generate a signature layer

Method Detail

digest

public byte[] digest(DSSDocument toSignDocument,
                     PAdESSignatureParameters parameters,
                     DigestAlgorithm digestAlgorithm)

Description copied from interface: PDFSignatureService

Returns the digest value of a PDF document

Parameters:

toSignDocument - the document to be signed

parameters - the signature parameters

digestAlgorithm - the digest algorithm to be used

Returns:

the digest value

sign

public DSSDocument sign(DSSDocument toSignDocument,
                        byte[] signatureValue,
                        PAdESSignatureParameters parameters,
                        DigestAlgorithm digestAlgorithm)

Description copied from interface: PDFSignatureService

Signs a PDF document

Parameters:

toSignDocument - the pdf document

signatureValue - the signature value

parameters - the signature parameters

digestAlgorithm - the digest algorithm to be used

getSignatures

protected List<PdfSignatureOrDocTimestampInfo> getSignatures(CertificatePool validationCertPool,
                                                             DSSDocument document)

Specified by:

getSignatures in class AbstractPDFSignatureService

addDssDictionary

public DSSDocument addDssDictionary(DSSDocument document,
                                    List<DSSDictionaryCallback> callbacks)

Description copied from interface: PDFSignatureService

This method adds the DSS dictionary (Baseline-LT)

Parameters:

document - the document to be extended

callbacks - the callbacks to retrieve the revocation data,...

Returns:

the pdf document with the added dss dictionary

getAvailableSignatureFields

public List<String> getAvailableSignatureFields(DSSDocument document)

Description copied from interface: PDFSignatureService

This method returns not signed signature-fields

Parameters:

document - the pdf document

Returns:

the list of empty signature fields

addNewSignatureField

public DSSDocument addNewSignatureField(DSSDocument document,
                                        SignatureFieldParameters parameters)

Description copied from interface: PDFSignatureService

This method allows to add a new signature field to an existing pdf document

Parameters:

document - the pdf document

parameters - the parameters with the coordinates,... of the signature field

Returns:

the pdf document with the new added signature field