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Compare PDF files in Java SDK

API for comparing PDF documents using Aspose.PDF Cloud Go SDK

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

Overview

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How to compare PDFs via Cloud Java SDK

In order to compare PDFs 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 & compare 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 compare PDF files via Java

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

  1. Initialize the Aspose.PDF API Client.
  2. Upload both PDF documents to the remote folder.
  3. Set optional parameters for the API call.
  4. Perform PDF comparison using Aspose Cloud API.
  5. Handle the response.
  6. Download the resulting comparison PDF file.
 

Compare PDF files using Cloud Java SDK


    package com.aspose.asposecloudpdfusecases.compares;

    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.asposecloudpdfusecases.AppHelper;

    public class ComparePdfDocuments {
        public static void Compare() {
            String LOCAL_FOLDER = "C:\\Samples\\";
            String REMOTE_FOLDER = "Your_Temp_Pdf_Cloud";
            String PDF_DOCUMENT_1 = "sample_compare_1.pdf";
            String PDF_DOCUMENT_2 = "sample_compare_2.pdf";
            String PDF_OUTPUT = "output_compare.pdf";

            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_1).toString());
                pdfApi.uploadFile(Path.of(REMOTE_FOLDER , PDF_DOCUMENT_1).toString(), file, null);
                System.out.println(String.format("File '%s' successfully uploaded!", Path.of(LOCAL_FOLDER, PDF_DOCUMENT_1).toString()));

                file = new File(Path.of(LOCAL_FOLDER, PDF_DOCUMENT_2).toString());
                pdfApi.uploadFile(Path.of(REMOTE_FOLDER , PDF_DOCUMENT_2).toString(), file, null);
                System.out.println(String.format("File '%s' successfully uploaded!", Path.of(LOCAL_FOLDER, PDF_DOCUMENT_2).toString()));

                String remotePdfOutput = Path.of(REMOTE_FOLDER , PDF_OUTPUT).toString();
                AsposeResponse response = pdfApi.postComparePdf(
                    Path.of(REMOTE_FOLDER , PDF_DOCUMENT_1).toString(),
                    Path.of(REMOTE_FOLDER , PDF_DOCUMENT_2).toString(),
                    remotePdfOutput,
                    null);            

                if (response.getCode() != 200)
                    System.err.println("Error: unexpected error when comparing documents! '" + response.getStatus() + "'");
                else {
                    // download changed PDF file from remote folder...
                        File f = pdfApi.downloadFile(remotePdfOutput, 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 compared documents ! '" + PDF_OUTPUT + "'");
                }

            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
 

With our Go SDK you can

  • Add PDF document’s header & footer in text or image format.
  • Add tables & text or image stamps 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.

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