PDFSigner Class

PDFSigner Class

PDFSigner Class has the method(s) required to sign PDF documents.

Method setLicenseKey

setLicenaseKey method has 2 overloads. It is used for setting License Key for the Library at the application startup. This method should be called only once per application instance, at the early startup of the application.

public static boolean setLicenseKey(String UserId, String Location, String LicenseKey) throws Exception

public static boolean setLicenseKey(String UserId, String Location, String LicenseKey, String SystemUidUtilPath) throws Exception

Skip setLicenseKey call to use the library in DEMO mode.

If LicenseKey is set using setLicenseKey but could not be validated online, it throws exception so that signing does not continue in DEMO mode (with DEMO wartermark!)

Method SignPDF

SignPDF method is used to sign PDF file. Methods takes byte array of pdf file along with signatureSetting object and returns byte array of the signed pdf file.

public static TxnRespWithFile SignPDF( byte[] SourceFile, int PageNo, SignatureSetting signatureSetting, boolean AppendMode, boolean Certified, String AdminPasswordForSourcePDF, String AdminPasswordForOutputPDF, String UserPasswordForOutputPDF, String OutFilePathAndName, DocumentWatermark docWatermarkSetting, int ThreadId) throws Exception

Paramaters:

SourceFile	byte array of source PDF File.
PageNo	PageNo where Digital Signature shall be attached. Pass 0 to use setting from signatureSetting.positionSettings.SignOnPage
signatureSetting	SignatureSetting Model object.
AppendMode	Set true to allow further signature in the same document for document requiring multiple authorizations. Otherwise False.
Certified	Set 'True' to Certify document. Use 'True' for scanned documents or images if signature is showing invalid if not Certified.
AdminPasswordForSourcePDF	Admin password of input file so that library can open and read the document.
AdminPasswordForOutputPDF	Admin password for output file. (Master Password)
UserPasswordForOutputPDF	User Password for output file.
OutFilePathAndName	Path of digitally signed output file to be saved. Pass temp file if file is not required.
docWatermarkSetting	Setting of Document watermark to be put on the page to be signed. Refer to DocumentWartermark object.
ThreadId	ThreadId to be used in case application uses parallel signing. Pass "0", "1", "2" as ThreadId from different threads.

Returns: