How to convert HTML to PDF using iText.

Question

asked Mar 17, 2021 in Java by Jake (7k points)

I am trying to convert HTML to PDF using this code:

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import com.itextpdf.text.Document;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfWriter;
public class GeneratePDF {
    public static void main(String[] args) {
        try {
            String k = "<html><body> This is my Project </body></html>";
            OutputStream file = new FileOutputStream(new File("E:\\Test.pdf"));
            Document document = new Document();
            PdfWriter.getInstance(document, file);
            document.open();
            document.add(new Paragraph(k));
            document.close();
            file.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

I can convert it but in a PDF file, it saves as whole HTML while I need to display only text. <html><body> This is my Project </body></html> gets saved to PDF while it should save only This is my Project.

2 Answers

dhanush · Answer 1 · 2021-03-17T10:58:09+0000

You can do it with the HTMLWorker class like this:

import com.itextpdf.text.html.simpleparser.HTMLWorker;
//...
try {
    String k = "<html><body> This is my Project </body></html>";
    OutputStream file = new FileOutputStream(new File("C:\\Test.pdf"));
    Document document = new Document();
    PdfWriter.getInstance(document, file);
    document.open();
    HTMLWorker htmlWorker = new HTMLWorker(document);
    htmlWorker.parse(new StringReader(k));
    document.close();
    file.close();
} catch (Exception e) {
    e.printStackTrace();
}
Or using the XMLWorker, using this code:
import com.itextpdf.tool.xml.XMLWorkerHelper;
//...
try {
    String k = "<html><body> This is my Project </body></html>";
    OutputStream file = new FileOutputStream(new File("C:\\Test.pdf"));
    Document document = new Document();
    PdfWriter writer = PdfWriter.getInstance(document, file);
    document.open();
    InputStream is = new ByteArrayInputStream(k.getBytes());
    XMLWorkerHelper.getInstance().parseXHtml(writer, document, is);
    document.close();
    file.close();
} catch (Exception e) {
    e.printStackTrace();
}

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Yashika · Answer 2 · 2024-11-08T12:37:14+0000

Add the below dependency in your project.

implementation 'com.itextpdf:html2pdf:3.0.2'

Java Code :

import com.itextpdf.html2pdf.ConverterProperties;
import com.itextpdf.html2pdf.HtmlConverter;

import com.itextpdf.kernel.geom.PageSize;

import com.itextpdf.kernel.pdf.PdfDocument;

import com.itextpdf.kernel.pdf.PdfWriter;

import java.io.ByteArrayOutputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Path;

public class HtmlToPdfConvertor

{

public static void main(String[] args) throws IOException

{

String html_Name = index.html;

String outpuFileName = output.pdf;

final String html_String = Files.readAllBytes(Path.of(html_Name));

try (FileOutputStream fos = new FileOutputStream(outputFileName))

{

ByteArrayOutputStream baos = new ByteArrayOutputStream();

PdfDocument doc = new PdfDocument(new PdfWriter(baos)); doc.setDefaultPageSize(PageSize.A4);

ConverterProperties props = new ConverterProperties();

HtmlConverter.convertToPdf(html, doc, props); fos.write(baos.toByteArray());

}

How to convert HTML to PDF using iText.

2 Answers

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