In this example we learn how to convert the Html file to PDF file programmitically using iText and java.
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.Paragraph;
import com.lowagie.text.html.simpleparser.HTMLWorker;
import com.lowagie.text.pdf.PdfWriter;
public class HtmlToPdf {
public static void main(String[] args) throws DocumentException {
// TODO Auto-generated method stub
FileReader fr = null;
Document document = new Document();
PdfWriter writer = null;
try {
// Initializing the source html file
String file_name = "[SOURCE_HTML_FILE]";
fr = new FileReader(file_name);
PdfWriter.getInstance(document, System.out);
//initalizing the destination file or file to save location
writer = PdfWriter.getInstance(document, new FileOutputStream("[FILE_PATH_TO_SAVE]"));
document.open();
document.add(new Paragraph("\n"));
//Converting the Html content to htmldataelements which we will use this in next steps
ArrayList htmlContentList = HTMLWorker.parseToList(fr, null);
//fetch the html content line by line and adding the content to pdf document.
for (int htmlDataCntr = 0; htmlDataCntr < htmlContentList.size(); htmlDataCntr++) {
Element htmlDataElement = (Element) htmlContentList.get(htmlDataCntr);
if(htmlDataElement!=null){
document.add(new Paragraph("\n"));
document.add(htmlDataElement);
}
}
fr.close();
document.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
}
catch (IOException e) {
e.printStackTrace();
}
catch(Exception e){
e.printStackTrace();
}
}
}
