通过 Java SDK 在 PDF 中替换文本批注

    package com.aspose.asposecloudpdfusecases.annotations;

    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.TextAnnotation;
    import com.aspose.asposecloudpdf.model.TextAnnotationResponse;
    import com.aspose.asposecloudpdf.model.TextIcon;

    public class AnnotationReplace {
        public static void Perform() {
            String REMOTE_FOLDER   = "Your_Temp_Pdf_Cloud";
            String LOCAL_FOLDER    = "c:\\Samples";
            String PDF_DOCUMENT    = "sample.pdf";
            String ANNOTATION_ID = "GE5TAOZTHA2CYMRZGUWDIMBZFQZTEMA";
            String REPLACED_CONTENT = "This is a replaced sample annotation";
            String PDF_OUTPUT      = "annotation_replace_output.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).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()));

                TextAnnotationResponse response = pdfApi.getTextAnnotation(PDF_DOCUMENT, ANNOTATION_ID, null, REMOTE_FOLDER);
                if (response.getCode() != 200)
                    System.err.println("Error: unexpected error when extracting annotation! '" + response.getStatus() + "'");
                else {
                    TextAnnotation result = response.getAnnotation();
                    result.setContents(REPLACED_CONTENT);
                    result.setIcon(TextIcon.STAR);

                    TextAnnotationResponse response2 = pdfApi.putTextAnnotation(PDF_DOCUMENT, ANNOTATION_ID, result, null, REMOTE_FOLDER);
                    if (response2.getCode() != 200)
                        System.err.println("Error: unexpected error when replacing annotation! '" + 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 annotation in document ! '" + PDF_OUTPUT + "'");
                    }
                }
            }
            catch (Exception e) {
                e.printStackTrace();
            }
        }
    }