Get information about GroupDocs.Signature for Java API features

GroupDocs.Signature for Java API provides many ways to process your documents using electronic signatures. Digital signatures like texts, images, digital certificates, barcodes, QR-codes, stamps or metadata are available. Customers have possibility to add, delete, update, verify or search digital signatures at PDFs, MS Word documents, MS Excel workbooks, MS PowerPoint presentations, Adobe Photoshop files and various image formats. A vast number of useful features and settings are provided.

How to remove Text signatures from your Odp document

GroupDocs.Signature for Java provides useful feature for clearing Odp documents of Text signatures with a few lines of code.

Firstly, instantiate Signature object passing path to your document as a constructor parameter.
Then, create an appropriate signature object and set up its unique identifier.
After that, invoke Delete method passing signature object which must be deleted.
Finally, process operation results.

System Requirements

GroupDocs.Signature for Java are supported on all major platforms and operating systems. Before executing the code below, please make sure that you have the following prerequisites installed on your system.

Operating systems: Microsoft Windows, Linux, MacOS
Development environments: NetBeans, Intellij IDEA, Eclipse, etc.
Java runtime: J2SE 6.0 and above
Download the latest version of GroupDocs.Signature for Java from Maven

        
// Set up input Odp file
String filePath = "input.odp";
// Set up output file
String outputFilePath = "output.odp";

// Instantiate Signature for input file
Signature signature = new Signature(filePath);

// Id of signature which is supposed to be deleted
// such Id may be obtained as result of search operation
String id = "ff988ab1-7403-4c8d-8db7-f2a56b9f8530";

// provide signature features to delete
TextSignature signatureToDelete = new TextSignature(id);

// delete signature
Boolean deleteResult = signature.delete(outputFilePath, signatureToDelete);

// process deletion result
if (deleteResult)
{
        System.out.println("Signature was deleted successfully!");
}