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Number Pages in PDF via Java SDK

API for numbering pages in PDF documents with Java.

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Aspose.PDF Cloud SDK for Java Aspose.PDF Cloud SDK for Java

Overview

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How to number pages in PDF documents using Cloud Java SDK

In order to nuber pages in PDF documents via Cloud Java SDK, we’ll use Aspose.PDF Cloud Java SDK This Cloud SDK allows you to easily build cloud-based PDF creator, editor & converter apps in Java language for various cloud platforms. Open Repository package manager, search for Aspose.PDF Cloud and install. You may also use the following command from the Package Manager Console for install it using Maven.

Add Aspose Cloud repository to your application pom.xml

Add Aspose Cloud repository


    <repositories>
        <repository>
            <id>aspose-cloud</id>
            <name>Aspose Cloud Repository</name>
            <url>https://releases.aspose.cloud/java/repo/</url>
        </repository>
    </repositories>

To install the API client library to your local Maven repository, simply execute:

Installation from Github


    mvn clean install

To deploy it to a remote Maven repository instead, configure the settings of the repository and execute:

Deploy Maven repository


    mvn clean deploy

Steps to number pages in PDF using Java SDK

Aspose.PDF Cloud developers can easily load & number PDF document pages in just a few lines of code.

  1. Create a new Configuration object with your Application Secret and Key.
  2. Create an object to connect to the Cloud API.
  3. Uploads the PDF to cloud storage.
  4. Number PDF document pages in cloud storage.
  5. Checks the response and logs the result.
  6. Downloads the updated file for local use.
 

This sample code shows numbering pages in PDF document


    import java.io.File;
    import java.nio.file.Path;
    import java.nio.file.StandardCopyOption;
    import com.aspose.asposecloudpdf.api.PdfApi;
    import com.aspose.asposecloudpdf.model.AsposeResponse;
    import com.aspose.asposecloudpdf.model.HorizontalAlignment;
    import com.aspose.asposecloudpdf.model.PageNumberStamp;
    import com.aspose.asposecloudpdf.model.Rotation;
    import com.aspose.asposecloudpdf.model.VerticalAlignment;
    import com.aspose.asposecloudpdfusecases.AppHelper;

    public class PagesAddPageNumbers {
    public static void append(){
            String REMOTE_FOLDER            = "Your_Temp_Pdf_Cloud";
            String LOCAL_FOLDER             = "c:\\Samples";
            String PDF_DOCUMENT             = "sample.pdf";
            String PDF_OUTPUT               = "pages_add_number_output.pdf";
            Integer START_PAGE_NUMBER       = 2;
            Integer LAST_PAGE_NUMBER        = 8;  
            String PAGE_NUMBER_STAMP_TEXT   = "Page #";

            try {
                PdfApi pdfApi = new PdfApi(API_KEY, API_SECRET);

                // upload local PDF file to remote storage
                File file = new File(Path.of(LOCAL_FOLDER, PDF_DOCUMENT).toString());
                pdfApi.uploadFile(Path.of(REMOTE_FOLDER , PDF_DOCUMENT).toString(), file, null);
                System.out.println(String.format("File '%s' successfully uploaded!", Path.of(LOCAL_FOLDER, PDF_DOCUMENT).toString()));

                PageNumberStamp stamp = new PageNumberStamp()
                    .value(PAGE_NUMBER_STAMP_TEXT)
                    .verticalAlignment(VerticalAlignment.BOTTOM)
                    .startingNumber(START_PAGE_NUMBER);

                stamp.background(true)
                    .horizontalAlignment(HorizontalAlignment.CENTER);

                AsposeResponse response = pdfApi.postDocumentPageNumberStamps(PDF_DOCUMENT, stamp, START_PAGE_NUMBER, LAST_PAGE_NUMBER, null, REMOTE_FOLDER, null);
                if (response.getCode() != 200)
                    System.err.println("Error: unexpected error when adding page nubers to PDF! '" + response.getStatus() + "'");
                else{
                    // download changed PDF file from remote folder...
                    File f = pdfApi.downloadFile(Path.of(REMOTE_FOLDER , PDF_DOCUMENT).toString(), null, null);
                    java.nio.file.Files.copy(Path.of(f.getPath()), Path.of(LOCAL_FOLDER, PDF_OUTPUT), StandardCopyOption.REPLACE_EXISTING);
                    System.out.println(String.format("File '%s' successfully dowloaded!", Path.of(LOCAL_FOLDER, PDF_OUTPUT).toString()));                
                    System.out.println("Successfully added page numbers to document ! '" + PDF_OUTPUT + "'");
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
 

Work with PDF documents via Java SDK

Move page in PDF documents with Aspose.PDF Cloud Java SDK.

With our Java library you can

  • Add PDF document’s header & footer in text or image format.
  • Add tables & stamps (text or image) to PDF documents.
  • Append multiple PDF documents to an existing file.
  • Work with PDF attachments, annotations, & form fields.
  • Apply encryption or decryption to PDF documents & set a password.
  • Delete all stamps & tables from a page or entire PDF document.
  • Delete a specific stamp or table from the PDF document by its ID.
  • Replace single or multiple instances of text on a PDF page or from the entire document.
  • Extensive support for converting PDF documents to various other file formats.
  • Extract various elements of PDF files & make PDF documents optimized.
  • You can try out our free App for test the SDK functionality.