This example shows how to verify Text signature in the document. See VerificationResult
Signaturesignature=newSignature("signedSample.pdf");// create QRCode option with predefined QRCode text
TextVerifyOptionsoptions=newTextVerifyOptions();// specify if all pages shoudl be verified
options.setAllPages(false);PagesSetuppagesSetup=newPagesSetup();pagesSetup.setFirstPage(false);pagesSetup.setLastPage(true);pagesSetup.setOddPages(false);pagesSetup.setEvenPages(true);options.setPagesSetup(pagesSetup);// specify text pattern
options.setText("John");// specify verification text pattern
options.setMatchType(TextMatchType.Contains);// specify types of QR code to verify
options.setSignatureImplementation(TextSignatureImplementation.Stamp);options.setFormTextFieldTitle("Sample");options.setFormTextFieldType(FormTextFieldType.RichText);// sign document to file
VerificationResultresult=signature.verify(options);if(result.isValid()){System.out.print("\nDocument was verified successfully!");}else{System.out.print("\nDocument failed verification process.");}
More resources
GitHub Examples
You may easily run the code above and see the feature in action in our GitHub examples:
Along with full-featured .NET library we provide simple, but powerful free Apps. You are welcome to eSign PDF, Word, Excel, PowerPoint documents with free to use online GroupDocs Signature App.
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