GroupDocs.Signature allows Java developers to update the content of text signatures previously added to PDF files. Enhance Java applications with robust capabilities.
// Instantiate a Signature object with the document path
Signature signature = new Signature("input.pdf");
// Search for any text signatures within the document
TextSearchOptions options = new TextSearchOptions();
List<TextSignature> signatures = signature.search(TextSignature.class, options);
if (signatures.size() > 0) {
// Alter the text of the first detected signature
TextSignature textSignature = signatures.get(0);
textSignature.setText("New Text");
boolean result = signature.update('output.pdf', textSignature);
// Validate the outcome of the modification
if (result) {
System.out.print("\nSignature was updated successfully.");
}
}
GroupDocs.Signature for Java enables you to add, modify, search, verify, and delete signatures across all major industrial file formats.
Our product primarily focuses on signing documents with text, image, barcode, or stamp signatures. You can place them on any page and position. Add or modify hidden metadata, such as EXIF data in images, and protect document content from unauthorized changes using digital certificates.
Ensure that signatures meet your requirements by verifying signed documents. You can retrieve a complete list of signatures within a document through the search functionality.
Modifying previously added signatures is a common task. Use the modification process to update the content, appearance, position, and other properties of a signature.
Our solution fully supports all operations related to signatures. Removing various types of signatures from a document is a simple process.
// Utilize a document that contains barcode signatures
final Signature signature = new Signature("input.pdf");
// Search for existing barcode signatures
BarcodeSearchOptions options = new BarcodeSearchOptions();
List<BarcodeSignature> signatures = signature.search(BarcodeSignature.class, options);
if (signatures.size() > 0)
{
// Adjust the position of the first barcode and save the updated document
BarcodeSignature barcodeSignature = signatures.get(0);
barcodeSignature.setLeft(100);
barcodeSignature.setTop(100);
boolean result = signature.update("output.pdf", barcodeSignature);
// Confirm the result of the modification
if (result)
{
System.out.print("\nBarcode was updated successfully.");
}
}
Download GroupDocs.Signature for free or get a trial license for full access!
Explore documentation, code samples, and community support to enhance your experience.
We proudly support a wide variety of signature formats and operational tools
Document formats signed using our API for Java can be modified. Retrieve a list of signatures from a document and update any accessible properties.
