Static Public Member Functions
static bool	ValidatePdfVersionForDictEntry (PdfDocument document, PdfVersion expectedVersion, PdfName entryKey, PdfName dictType)

static bool	ValidatePdfVersionForDeprecatedFeatureLogWarn (PdfDocument document, PdfVersion expectedVersion, String deprecatedFeatureLogMessage)

static bool	ValidatePdfVersionForDeprecatedFeatureLogError (PdfDocument document, PdfVersion expectedVersion, String deprecatedFeatureLogMessage)

static bool	ValidatePdfVersionForNotSupportedFeatureLogError (PdfDocument document, PdfVersion expectedStartVersion, String notSupportedFeatureLogMessage)
	Logs error message in case provided PDF document version is earlier than specified expected starting version. More...

Static Public Attributes
const String	DEPRECATED_AES256_REVISION = "It seems that PDF 1.7 document encrypted with AES256 was updated to PDF 2.0 version and StampingProperties#preserveEncryption flag was set: encryption shall be updated via WriterProperties#setStandardEncryption method. Standard security handler was found with revision 5, which is deprecated and shall not be used in PDF 2.0 documents."

const String	DEPRECATED_ENCRYPTION_ALGORITHMS = "Encryption algorithms STANDARD_ENCRYPTION_40, STANDARD_ENCRYPTION_128 and ENCRYPTION_AES_128 (see com.itextpdf.kernel.pdf.EncryptionConstants) are deprecated in PDF 2.0. It is highly recommended not to use it."

const String	DEPRECATED_NEED_APPEARANCES_IN_ACROFORM = "NeedAppearances has been deprecated in PDF 2.0. Appearance streams are required in PDF 2.0."

const String	DEPRECATED_XFA_FORMS = "XFA is deprecated in PDF 2.0. The XFA form will not be written to the document"

const String	NOT_SUPPORTED_AES_GCM = "Advanced Encryption Standard-Galois/Counter Mode " + "(AES-GCM) encryption algorithm is supported starting from PDF 2.0."

Member Function Documentation

◆ ValidatePdfVersionForNotSupportedFeatureLogError()

static bool iText.Kernel.Pdf.VersionConforming.ValidatePdfVersionForNotSupportedFeatureLogError	(	PdfDocument	document,
		PdfVersion	expectedStartVersion,
		String	notSupportedFeatureLogMessage
	)

inlinestatic

Logs error message in case provided PDF document version is earlier than specified expected starting version.

Parameters

document	PDF document to check version for
expectedStartVersion	starting version since which new feature is supported
notSupportedFeatureLogMessage	error message to log

Returns: boolean value specifying whether validation passed ( true ) or failed ( false )