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Replace Links in PDF in Java SDK

Replace a Links in a PDF Document using Cloud Java SDK

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

Overview

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How to Replace Links in PDF via Java SDK

To replace links in PDF 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 & add link 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

Steps to Replace Links using Java

Aspose.PDF Cloud developers can easily load & replace Links in PDF in just a few lines of code.

  1. Create an object to connect to the Pdf.Cloud API
  2. Upload your document file
  3. Create a new Link Annotation with the required properties
  4. Append new Link Annotation to the document using postPageLinkAnnotations() function
  5. Perform some action after successful addition
  6. Download the result if needed it
 

Replace Links in PDF using Java


    package com.aspose.asposecloudpdfusecases.links;

    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.LinkAnnotation;
    import com.aspose.asposecloudpdf.model.LinkAnnotationResponse;
    import com.aspose.asposecloudpdfusecases.AppHelper;

    public class LinksReplace {
        public static void Update(){
            String LOCAL_FOLDER = "C:\\Samples\\";
            String REMOTE_FOLDER = "Your_Temp_Pdf_Cloud";
            String PDF_DOCUMENT = "sample.pdf";
            String PDF_OUTPUT = "output_sample_link_replace.pdf";
            String LINK_REPLACE_ID = "YOUR_REPLACE_LINK_ID_VALUE";
            String NEW_LINK_ACTION = "https://reference.aspose.cloud/pdf/#/"; // for example.

            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());
                AppHelper.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()));

                LinkAnnotationResponse linkResponse = AppHelper.pdfApi().getLinkAnnotation(PDF_DOCUMENT, LINK_REPLACE_ID, null, REMOTE_FOLDER);
                LinkAnnotation link = linkResponse.getLink();
                link.setAction(NEW_LINK_ACTION);

                AsposeResponse response = AppHelper.pdfApi().putLinkAnnotation(PDF_DOCUMENT, LINK_REPLACE_ID, link, null, REMOTE_FOLDER);
                if (response.getCode() != 200)
                    System.err.println("Error: unexpected error when replacing link in document! '" + response.getStatus() + "'");
                else {
                    // download changed PDF file from remote folder...
                    File f = AppHelper.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 replaced link in document ! '" + PDF_OUTPUT + "'");
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
 

Work with Links in PDF

By regularly reviewing and updating the hyperlinks in your PDF documents, you can maintain their relevance, accuracy, and security, thereby providing a better experience for your readers. Replace the Links 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 to test the functionality online.