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

public class ITextPDFSignatureService
extends AbstractPDFSignatureService

Implementation of PDFSignatureService using iText

Field Summary

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

serviceMode, signatureDrawerFactory

Constructor Summary

Constructors

Constructor	Description
ITextPDFSignatureService(PDFServiceMode serviceMode, ITextSignatureDrawerFactory signatureDrawerFactory)	Constructor for the ITextPDFSignatureService

Method Summary

Modifier and Type	Method	Description
DSSDocument	addDssDictionary(DSSDocument document, List<DSSDictionaryCallback> callbacks, String pwd)	This method adds the DSS dictionary (Baseline-LT)
DSSDocument	addNewSignatureField(DSSDocument document, SignatureFieldParameters parameters, String pwd)	This method allows to add a new signature field to an existing encrypted pdf document
protected void	checkDocumentPermissions(DSSDocument toSignDocument, String pwd)	This method checks if the document is not encrypted or with limited edition rights
byte[]	digest(DSSDocument toSignDocument, PAdESCommonParameters parameters)	Returns the digest value of a PDF document
List<String>	getAvailableSignatureFields(DSSDocument document, String pwd)	Returns not-signed signature fields from an encrypted document
protected PdfDocumentReader	loadPdfDocumentReader(byte[] binaries, String passwordProtection)	Loads PdfDocumentReader instance
protected PdfDocumentReader	loadPdfDocumentReader(DSSDocument dssDocument, String passwordProtection)	Loads PdfDocumentReader instance
DSSDocument	sign(DSSDocument toSignDocument, byte[] signatureValue, PAdESCommonParameters parameters)	Signs a PDF document

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

addDssDictionary, addNewSignatureField, buildKnownObjects, extractBeforeSignatureValue, getAvailableSignatureFields, getRevisions, getSignatureValue, getTokenDigest, getType, isContentValueEqualsByteRangeExtraction, isDocTimestamp, isDocumentTimestampLayer, isSignature

Methods inherited from class java.lang.Object

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

Constructor Details

ITextPDFSignatureService

public ITextPDFSignatureService(PDFServiceMode serviceMode, ITextSignatureDrawerFactory signatureDrawerFactory)

Constructor for the ITextPDFSignatureService

Parameters:

serviceMode - current instance is used to generate DocumentTypestamp or Signature signature layer

signatureDrawerFactory - drawer factory implementation to be used

Method Details

checkDocumentPermissions

protected void checkDocumentPermissions(DSSDocument toSignDocument, String pwd)

Description copied from class: AbstractPDFSignatureService

This method checks if the document is not encrypted or with limited edition rights

Specified by:

checkDocumentPermissions in class AbstractPDFSignatureService

Parameters:

toSignDocument - the document which will be modified

pwd - String password protection phrase used to encrypt the document

digest

public byte[] digest(DSSDocument toSignDocument, PAdESCommonParameters parameters)

Description copied from interface: PDFSignatureService

Returns the digest value of a PDF document

Parameters:

toSignDocument - the document to be signed

parameters - the signature/timestamp parameters

Returns:

the digest value

sign

public DSSDocument sign(DSSDocument toSignDocument, byte[] signatureValue, PAdESCommonParameters parameters)

Description copied from interface: PDFSignatureService

Signs a PDF document

Parameters:

toSignDocument - the pdf document

signatureValue - the signature value

parameters - the signature/timestamp parameters

addDssDictionary

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

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,...

pwd - the password protection used to create the encrypted document

Returns:

the pdf document with the added dss dictionary

getAvailableSignatureFields

public List<String> getAvailableSignatureFields(DSSDocument document, String pwd)

Description copied from interface: PDFSignatureService

Returns not-signed signature fields from an encrypted document

Parameters:

document - the pdf document

pwd - the password protection phrase used to encrypt the document

Returns:

the list of not signed signature field names

addNewSignatureField

public DSSDocument addNewSignatureField(DSSDocument document, SignatureFieldParameters parameters, String pwd)

Description copied from interface: PDFSignatureService

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

Parameters:

document - the pdf document

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

pwd - the password protection used to create the encrypted document

Returns:

the pdf document with the new added signature field

loadPdfDocumentReader

protected PdfDocumentReader loadPdfDocumentReader(DSSDocument dssDocument, String passwordProtection) throws IOException

Description copied from class: AbstractPDFSignatureService

Loads PdfDocumentReader instance

Specified by:

loadPdfDocumentReader in class AbstractPDFSignatureService

Parameters:

dssDocument - DSSDocument to read

passwordProtection - String the password used to protect the document

Throws:

IOException - in case of loading error

loadPdfDocumentReader

protected PdfDocumentReader loadPdfDocumentReader(byte[] binaries, String passwordProtection) throws IOException

Description copied from class: AbstractPDFSignatureService

Loads PdfDocumentReader instance

Specified by:

loadPdfDocumentReader in class AbstractPDFSignatureService

Parameters:

binaries - a byte array

passwordProtection - String the password used to protect the document

Throws:

IOException - in case of loading error