import com.spire.pdf.actions.PdfJavaScriptAction;

public class ExpiryDate {

    public static void main(String[] args) {

        //Create a PdfDocument object
        PdfDocument doc = new PdfDocument();

        //Load a PDF file
        doc.loadFromFile("C:\\Users\\Administrator\\Desktop\\sample.pdf");

        //Set expiration date and warning information,and close the document through JavaScript
        String javaScript = "var rightNow = new Date();"
                + "var endDate = new Date('June 20, 2020 23:59:59');"
                + "if(rightNow.getTime() > endDate)"
                + "app.alert('This document is no longer valid, please contact us for a updated one.',1);"
                + "this.closeDoc();";

        //Create a PdfJavaScriptAction object based on the javascript
        PdfJavaScriptAction js = new PdfJavaScriptAction(javaScript);

        //Set PdfJavaScriptAction as the AfterOpenAction
        doc.setAfterOpenAction(js);

        //Save to file
        doc.saveToFile("ExpirationDate.pdf", FileFormat.PDF);
    }
}

import com.spire.doc.Document;

public class CompareWordDocuments {
    public static void main(String[] args) throws Exception {
        //Create a Document instance
        Document doc1 = new Document();
        //Load the first Word document
        doc1.loadFromFile("Doc1.docx");

        //Create a Document instance
        Document doc2 = new Document();
        //Load the second Word document
        doc2.loadFromFile("Doc2.docx");

        //Compare the two Word documents
        doc1.compare(doc2, "E-iceblue");

        //Save the result to file
        doc1.saveToFile("Result.docx");
    }
}

import com.spire.pdf.FileFormat;
import com.spire.pdf.PdfDocument;

public class ToXLS {
    public static void main(String[] args) {
        //Create a PdfDocument object
        PdfDocument pdf = new PdfDocument();
        //Load a sample PDF file
        pdf.loadFromFile("C:\\Users\\Test1\\Desktop\\Sample.pdf");
        //Save to Excel
        pdf.saveToFile("output/ToXLS.xlsx", FileFormat.XLSX);
    }
}

import com.spire.pdf.PdfDocument;
import com.spire.pdf.security.PdfSignature;
import com.spire.pdf.widget.*;

public class VerifySignature {
    public static void main(String[] args) {

        //Load a pdf document
        PdfDocument doc = new PdfDocument();
        doc.loadFromFile("Sample.pdf");

        //Get the collection of PDF fields
        PdfFormWidget pdfFormWidget = (PdfFormWidget) doc.getForm();
        PdfFormFieldWidgetCollection pdfFormFieldWidgetCollection = pdfFormWidget.getFieldsWidget();

        //Traverse all the PDF form field
        for (int i = 0; i < pdfFormFieldWidgetCollection.getCount(); i++) {
            //check whether it is PdfSignatureField
            if (pdfFormFieldWidgetCollection.get(i) instanceof PdfSignatureFieldWidget) {
                //get the signature field
                PdfSignatureFieldWidget signatureFieldWidget = (PdfSignatureFieldWidget) pdfFormFieldWidgetCollection.get(i);
                //get the PDF signature
                PdfSignature signature = signatureFieldWidget.getSignature();

                //Verify the signature
                boolean result = signature.verifySignature();
                if (result) {
                    System.out.println("Valid signature");
                } else {
                    System.out.println("Invalid signature");
                }
            }
        }
    }
}

import com.spire.presentation.FileFormat;
import com.spire.presentation.IAutoShape;
import com.spire.presentation.Presentation;
import com.spire.presentation.TextHighLightingOptions;

import java.awt.*;

public class SearchAndHighlightText {
    public static void main(String[] args) throws Exception {
        //Create a Presentation instance
        Presentation presentation = new Presentation();
        //Load a PowerPoint document
        presentation.loadFromFile("Input.pptx");

        //Get the first shape on the first slide
        IAutoShape shape = (IAutoShape)presentation.getSlides().get(0).getShapes().get(0);

        //Set highlight options
        TextHighLightingOptions options = new TextHighLightingOptions();
        options.setWholeWordsOnly(true);
        options.setCaseSensitive(true);

        //Highlight text
        shape.getTextFrame().highLightText("Spire", Color.yellow, options);

        //Save the result document
        presentation.saveToFile("HighlightSpecifiedText.pptx", FileFormat.PPTX_2013);
    }
}

import com.spire.pdf.general.find.PdfTextFind;
import java.awt.*;

public class FindByRegularExpression {

    public static void main(String[] args) throws Exception {

        //Load a PDF document
        PdfDocument pdf = new PdfDocument();
        pdf.loadFromFile("C:\\Users\\Administrator\\Desktop\\test.pdf");

        //Create a object of PdfTextFind collection
        PdfTextFind[] results;

        //Loop through the pages
        for (Object page : (Iterable) pdf.getPages()) {
            PdfPageBase pageBase = (PdfPageBase) page;

            //Define a regular expression
            String pattern = "\\#\\w+\\b";

            //Find all results that match the pattern
            results = pageBase.findText(pattern).getFinds();

            //Highlight the search results with yellow
            for (PdfTextFind find : results) {
                find.applyHighLight(Color.yellow);
            }
        }

        //Save to file
        pdf.saveToFile("FindByPattern.pdf");
    }
}

import com.spire.xls.ExcelVersion;
import com.spire.xls.Workbook;
import com.spire.xls.Worksheet;

public class DeleteSpecificImage {

    public static void main(String[] args) {

        //Create a Workbook object
        Workbook workbook = new Workbook();
        
        //Load an Excel file
        workbook.loadFromFile("Input.xlsx");

        //Get the first worksheet
        Worksheet sheet = workbook.getWorksheets().get(0);

        //Delete a specific image by its index
        sheet.getPictures().get(1).remove();

        //Save the document
        workbook.saveToFile("DeleteSpecificImage.xlsx", ExcelVersion.Version2013);
    }

import com.spire.xls.ExcelVersion;
import com.spire.xls.Workbook;
import com.spire.xls.Worksheet;

public class DeleteAllImages {

    public static void main(String[] args) {

        //Create a Workbook object
        Workbook workbook = new Workbook();

        //Load an Excel file
        workbook.loadFromFile("Input.xlsx");

        //Get the first worksheet
        Worksheet sheet = workbook.getWorksheets().get(0);

        //Loop through the images inside the worksheet
        for (int i = sheet.getPictures().getCount() - 1; i >= 0; i--) {
            
            //Delete an image by its index
            sheet.getPictures().get(i).remove();
        }

        //Save the document
        workbook.saveToFile("DeleteAllImages.xlsx", ExcelVersion.Version2013);
    }
}

import com.spire.pdf.*;
import com.spire.pdf.graphics.PdfImage;


public class drawImage {
    public static void main(String[] args) {

        //Create a Pdf document
        PdfDocument pdf = new PdfDocument();

        //Add one page to the pdf document
        PdfPageBase page = pdf.getPages().add();

        //Load an image
        PdfImage image = PdfImage.fromFile("logo.png");

        //Set the width and height of image
        float width = image.getWidth() * 0.15f;
        float height = image.getHeight() * 0.15f;

        //Define a position to draw image
        double x = (page.getCanvas().getClientSize().getWidth() - width) / 2;
        float y = 60f;

        //Draw image on page canvas
        page.getCanvas().drawImage(image, x, y, width, height);

        String result = "output/DrawImage.pdf";

        //Save the document
        pdf.saveToFile(result, FileFormat.PDF);
    }
}

using Spire.Doc;

namespace CompareWordDocuments
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a Document instance
            Document doc1 = new Document();
            //Load the first Word document
            doc1.LoadFromFile("Doc1.docx");

            //Create a Document instance
            Document doc2 = new Document();
            //Load the second Word document
            doc2.LoadFromFile("Doc2.docx");

            //Compare the two Word documents
            doc1.Compare(doc2, "Shawn");

            //Save the result to file
            doc1.SaveToFile("Result.docx");
            doc1.Dispose();
        }
    }
}

Imports Spire.Doc

Namespace CompareWordDocuments
    Class Program
        Private Shared Sub Main(ByVal args As String())
            ‘Create a Document instance
            Dim doc1 As Document = New Document()
            ‘Load the first Word document
            doc1.LoadFromFile("Doc1.docx")

            ‘Create a Document instance
            Dim doc2 As Document = New Document()
            ‘Load the second Word document
            doc2.LoadFromFile("Doc2.docx")

            ‘Compare the two Word documents
            doc1.Compare(doc2, "Shawn")

            ‘Save the result to file
            doc1.SaveToFile("Result.docx")
            doc1.Dispose()
        End Sub
    End Class
End Namespace

import com.spire.doc.Document;
import com.spire.doc.FileFormat;
import com.spire.doc.Section;
import com.spire.doc.documents.BreakType;
import com.spire.doc.documents.HyperlinkType;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.documents.UnderlineStyle;
import com.spire.doc.fields.TextRange;

import java.awt.*;

public class ChangeHyperlinkAppearance {

    public static void main(String[] args) {

        //Create a Document object
        Document document = new Document();

        //Add a section
        Section section = document.addSection();

        //Add a paragraph
        Paragraph para= section.addParagraph();
        para.appendText("Regular Link: ");

        //Insert a hyperlink
        TextRange txtRange = para.appendHyperlink("www.e-iceblue.com", "www.e-iceblue.com", HyperlinkType.Web_Link);
        txtRange.getCharacterFormat().setFontName("Times New Roman");
        txtRange.getCharacterFormat().setFontSize(12f);
        para.appendBreak(BreakType.Line_Break);

        //Add a paragraph
        para = section.addParagraph();
        para.appendText("Change Color: ");

        //Insert a hyperlink and set its color to red
        txtRange = para.appendHyperlink("www.e-iceblue.com", "www.e-iceblue.com", HyperlinkType.Web_Link);
        txtRange.getCharacterFormat().setFontName("Times New Roman");
        txtRange.getCharacterFormat().setFontSize(12f);
        txtRange.getCharacterFormat().setTextColor(Color.RED);
        para.appendBreak(BreakType.Line_Break);

        //Add a paragraph
        para = section.addParagraph();
        para.appendText("Remove Underline: ");

        //Insert a hyperlink and remove its underline
        txtRange = para.appendHyperlink("www.e-iceblue.com", "www.e-iceblue.com", HyperlinkType.Web_Link);
        txtRange.getCharacterFormat().setFontName("Times New Roman");
        txtRange.getCharacterFormat().setFontSize(12f);
        txtRange.getCharacterFormat().setUnderlineStyle(UnderlineStyle.None);

        //Save the document
        document.saveToFile("output/ChangeHyperlinkAppearance.docx", FileFormat.Docx_2013);
    }
}