Add Attachments to PDF via Java

Add Attachments to PDF document. Use Aspose.PDF for Java to modify PDF files programmatically

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How to Add Attachments Using Java Library

In order to add Attachments, we’ll use Aspose.PDF for Java API which is a feature-rich, powerful and easy to use conversion API for Java platform. You can download its latest version directly from Maven and install it within your Maven-based project by adding the following configurations to the pom.xml.

Repository

<repository>
    <id>AsposeJavaAPI</id>
    <name>Aspose Java AP</name>
    <url>https://releases.aspose.com/java/repo/</url>
</repository>

Dependency

<dependency>
<groupId>com.aspose</groupId>
<artifactId>aspose-pdf</artifactId>
<version>version of aspose-pdf API</version>
</dependency>

Add Attachments in PDF File via Java

You need Aspose.PDF for Java to try the code in your environment.

  1. Create a new Java project.
  2. Add a reference to Aspose.PDF DLL.
  3. Create a Document object.
  4. Create a FileSpecification object with the file you are adding, and file description.
  5. Add the FileSpecification object to the Document object’s EmbeddedFiles collection, with the collection’s Add method
  6. Save the PDF file.

Adding Attachment to PDF document


    // Open a document
    Document pdfDocument = new Document(_dataDir+"input.pdf");
    // Set up a new file to be added as attachment
    FileSpecification fileSpecification = new FileSpecification("sample.txt", "Sample text file");
    // Add an attachment to document's attachment collection
    pdfDocument.getEmbeddedFiles().add(fileSpecification);
    // Save the updated document
    pdfDocument.save("output.pdf");