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Work with stamps in PDF in Java SDK

Manipulate stamps in PDF Document using server-side Java API.

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

Overview

    Learn Buy

    Most popular actions with stamps in Java

    Add image stamps to PDF

    Add text stamps to PDF

    Delete stamps from PDF

    How to work with stamps via Cloud Java SDK

    In order to work with stamps 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 & 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

    Steps to add stamp to PDF via Java SDK

    Aspose.PDF Cloud developers can easily load & add stamp to 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 Text stamp for page with the required properties
    4. Append new Text stamp to the document page using postDocumentTextStamps() function
    5. Perform some action after successful addition
    6. Download the result if needed it
     

    This sample code shows add stamp to PDF documents

    
    import java.io.File;
    import java.nio.file.Path;
    import java.nio.file.StandardCopyOption;
    import java.util.ArrayList;
    import java.util.List;
    import com.aspose.asposecloudpdf.api.PdfApi;
    import com.aspose.asposecloudpdf.model.AsposeResponse;
    import com.aspose.asposecloudpdf.model.Color;
    import com.aspose.asposecloudpdf.model.FontStyles;
    import com.aspose.asposecloudpdf.model.HorizontalAlignment;
    import com.aspose.asposecloudpdf.model.Rotation;
    import com.aspose.asposecloudpdf.model.TextStamp;
    import com.aspose.asposecloudpdf.model.TextState;
    import com.aspose.asposecloudpdf.model.VerticalAlignment;
    import com.aspose.asposecloudpdfusecases.AppHelper;

    public class StampAddText {
        public static void Create() {
            String REMOTE_FOLDER      = "Your_Temp_Pdf_Cloud";
            String LOCAL_FOLDER       = "c:\\Samples";
            String PDF_DOCUMENT       = "sample.pdf";
            String PDF_OUTPUT         = "stamps_add_text_output.pdf";
            String STAMP_TEXT          = "NEW TEXT STAMP";

            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()));

                TextState textState = new TextState().fontStyle(FontStyles.BOLDITALIC).fontSize(14.).foregroundColor(new Color().A(255).R(255));

                TextStamp stamp = new TextStamp();
                stamp.setBackground(true);
                stamp.setHorizontalAlignment(HorizontalAlignment.CENTER);
                stamp.setVerticalAlignment(VerticalAlignment.CENTER);
                stamp.setOpacity(1.);
                stamp.setRotate(Rotation.NONE);
                stamp.setRotateAngle(30.);
                stamp.setTextAlignment(HorizontalAlignment.CENTER);
                stamp.setValue(STAMP_TEXT);
                stamp.setZoom(1.);
                stamp.setTextState(textState);

                List<TextStamp> stamps = new ArrayList<>();
                stamps.add(stamp);

                AsposeResponse response = pdfApi.postDocumentTextStamps(PDF_DOCUMENT, stamps, null, REMOTE_FOLDER, null);
                if (response.getCode() != 200)
                    System.err.println("Error: unexpected error when adding stamp! '" + 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 stamp in document ! '" + PDF_OUTPUT + "'");
                }
            }
            catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
     

    With our Java SDK you can

    • Add PDF document’s header & footer in text or page format.
    • Add tables & text or page 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 replace the stamps in PDF files online and test the functionality.

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