This article demonstrates how to extract attachments from a PDF document using Spire.PDF for Java.
The example PDF document:
import com.spire.pdf.PdfDocument; import com.spire.pdf.attachments.PdfAttachmentCollection; import java.io.*; public class ExtractAttachments { public static void main(String[] args) throws IOException { //Load the PDF document PdfDocument pdf = new PdfDocument(); pdf.loadFromFile("AddAttachments.pdf"); //Get the attachment collection of the PDF document PdfAttachmentCollection attachments = pdf.getAttachments(); //Loop through the collection and extract each attachment in the PDF document for (int i = 0; i < attachments.getCount(); i++) { File file = new File("Attachments/"+attachments.get(i).getFileName()); OutputStream output = new FileOutputStream(file); BufferedOutputStream bufferedOutput = new BufferedOutputStream(output); bufferedOutput.write(attachments.get(i).getData()); bufferedOutput.close(); } } }
Output: