About GroupDocs.Signature for Java API

GroupDocs.Signature for Java provides Java API for processing documents using various signature types such as texts, images, digital certificates, barcodes, QR-codes, stamps or metadata. Users can add, delete, update, verify or search electronic signatures within PDFs, MS Word documents, MS Excel workbooks, MS PowerPoint presentations, Adobe Photoshop files and various image formats, with additional support for customizing signatures properties as needed.

How to search for Digital signatures in Doc

GroupDocs.Signature for Java makes it easier for Java developers to search for Digital signatures in Doc files from their applications by implementing a few easy steps.

Create a new instance of Signature class and pass source document path as a constructor parameter.
Instantiate the SearchOptions object according to your requirements and specify searching options.
Call Search method of Signature class instance and pass SearchOptions to it.
Process searching results accordingly to your demands.

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 Doc file
String filePath = "input.doc";

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

//Create search options
DigitalSearchOptions options = new DigitalSearchOptions();

// specify special search criteria
options.setComments("Approved");
// specify period of signatures
options.setSignDateTimeFrom(new Date(2021, 3, 5));
options.setSignDateTimeTo(new Date(2022, 7, 16));

// search for Digital signatures in Doc document
List<DigitalSignature> signatures = signature.search(DigitalSignature.class, options);

// process signatures which were found 
signatures.forEach(item -> System.out.println(item.toString()));