Implementing QR Code Signature Search with GroupDocs.Signature for Java

In today’s digital landscape, verifying electronic signatures efficiently is crucial across various industries. GroupDocs.Signature for Java offers a robust solution, especially for searching and managing QR code signatures in documents. This tutorial guides you through implementing QR code signature search using GroupDocs.Signature in Java.

Key Takeaways:

• Set up GroupDocs.Signature for Java efficiently.
• Implement and optimize QR Code Signature Search.
• Integrate this functionality into real-world applications seamlessly.

Prerequisites

Before starting, ensure you have:

• Libraries & Dependencies: Include GroupDocs.Signature for Java in your project via Maven or Gradle.
• Java Development Environment: Set up with JDK installed.
• Basic Java Knowledge: Familiarity with Java programming and dependency management is assumed.

Setting Up GroupDocs.Signature for Java

To integrate GroupDocs.Signature, follow these steps:

Using Maven

Add the following to your pom.xml:

<dependency>
    <groupId>com.groupdocs</groupId>
    <artifactId>groupdocs-signature</artifactId>
    <version>23.12</version>
</dependency>

Using Gradle

Include this in your build.gradle file:

implementation 'com.groupdocs:groupdocs-signature:23.12'

Direct Download

Download the latest version from GroupDocs.Signature for Java releases.

License Acquisition

• Free Trial: Begin with a free trial to explore capabilities.
• Temporary License: Obtain if full access is needed without purchase.
• Purchase: Consider purchasing for ongoing projects.

Once set up, initialize the Signature object:

// Initialize Signature with your document path\String filePath = "YOUR_DOCUMENT_DIRECTORY/your_sample_pdf_signed.pdf";
Signature signature = new Signature(filePath);

Implementation Guide

Searching for QR Code Signatures in a Document

Overview

This feature allows efficient searching of QR code signatures within documents, utilizing GroupDocs.Signature’s capabilities to identify and extract QR codes from various formats.

Step-by-Step Implementation

1. Define Search Options

Configure the QrCodeSearchOptions:

// Configure search options for QR code signatures
QrCodeSearchOptions options = new QrCodeSearchOptions();
options.setAllPages(true); // Set to search all pages of the document

2. Search and Process Signatures

Execute the search and handle results:

// Execute search for QR code signatures
List<QrCodeSignature> signatures = signature.search(QrCodeSignature.class, options);

// Iterate over found signatures and print details
for (QrCodeSignature qrCodeSignature : signatures) {
    System.out.println("QRCode signature found at page " +
                       qrCodeSignature.getPageNumber() +
                       \