Package eu.europa.esig.dss.pdf

Class PdfPermissionsChecker

java.lang.Object

eu.europa.esig.dss.pdf.PdfPermissionsChecker

public class PdfPermissionsChecker
extends Object

This class is used to verify permissions of a PDF document and to check whether modifications are allowed

Constructor Summary

Constructors

Constructor	Description
PdfPermissionsChecker()	Default constructor to instantiate the checker

Method Summary

Modifier and Type	Method	Description
void	checkDocumentPermissions(PdfDocumentReader documentReader, SignatureFieldParameters fieldParameters)	This method checks if the document has the necessary permissions for the signature operation
void	checkSignatureRestrictionDictionaries(PdfDocumentReader documentReader, SignatureFieldParameters fieldParameters)	This method verifies whether a new signature is permitted
void	setAlertOnForbiddenSignatureCreation(StatusAlert alertOnForbiddenSignatureCreation)	Sets a behavior to follow when creating a new signature in a document that forbids creation of new signatures Default : ExceptionOnStatusAlert - throw the exception

Methods inherited from class java.lang.Object

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

Constructor Details

PdfPermissionsChecker

public PdfPermissionsChecker()

Default constructor to instantiate the checker

Method Details

setAlertOnForbiddenSignatureCreation

public void setAlertOnForbiddenSignatureCreation(StatusAlert alertOnForbiddenSignatureCreation)

Sets a behavior to follow when creating a new signature in a document that forbids creation of new signatures Default : ExceptionOnStatusAlert - throw the exception

Parameters:

alertOnForbiddenSignatureCreation - StatusAlert to execute

checkDocumentPermissions

public void checkDocumentPermissions(PdfDocumentReader documentReader,
 SignatureFieldParameters fieldParameters)

This method checks if the document has the necessary permissions for the signature operation

Parameters:

documentReader - PdfDocumentReader

fieldParameters - SignatureFieldParameters

checkSignatureRestrictionDictionaries

public void checkSignatureRestrictionDictionaries(PdfDocumentReader documentReader,
 SignatureFieldParameters fieldParameters)

This method verifies whether a new signature is permitted

Parameters:

documentReader - PdfDocumentReader

fieldParameters - SignatureFieldParameters