How to Create Lists And SubLists In Pdf in java


In this core java tutorial we will learn How to Create Lists And SubLists In Pdf in java using iText library - core java tutorial with program and examples.



First create List (com.itextpdf.text.List) i.e. using (new List(true); Or new List(List.ORDERED);) you may make it unordered list as well depending on your requirement and before adding sublist in list add ListItems which will act as heading for sublist and then create and add sublist i.e. unordered list (again you may create sublist as ordered or unordered depending on your requirement) but remember to give pass second argument of List while defining sublist like (sublist = new List(List.UNORDERED, 20)), second argument passed as 20 here is space between between bullet and ListItem added in sublist.

We will generate PDF files in java using iText library. PDF files can be generated dynamically in java using iText library.

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Download jars required to execute program >

Or, you may download jars from here.

Program/Example How to Create List And SubList In Pdf in java  - Using iText library - core java tutorial

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import com.itextpdf.text.Document;
import com.itextpdf.text.List;
import com.itextpdf.text.ListItem;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfWriter;
/**
*
*  How to Create List And SubList In Pdf - Example Using iText library - core java tutorial
*
*/
public class CreateListAndSubListInPdfExample {
   public static void main(String[] args) {
          try {
                 String pdfFilePath = "E:/Create List and SubList In Pdf Example.pdf";
                
                 OutputStream fos = new FileOutputStream(new File(pdfFilePath));
                 Document document = new Document();
                 PdfWriter.getInstance(document, fos);
                 document.open();
                 document.add(new Paragraph("This is List and SubList example"));
                
                 //Create List and Sublist
                 List list = new List(List.ORDERED); //create List (OrderedList)
                 List sublist = null; //create SubList reference variable
                 list.add(new ListItem("Item 1"));
                 sublist = new List(List.UNORDERED, 20); //create SubList (UnOrderedList)
                                     //20 is space between bullet and list items
                 sublist.add("Item 1 - SubItem 1");
                 sublist.add("Item 1 - SubItem 1");
                 list.add(sublist);
                 list.add(new ListItem("Item 2"));
                 sublist = new List(List.UNORDERED, 20); //create SubList (UnOrderedList)
                                     //20 is space between bullet and list items
                 sublist.add("Item 2 - SubItem 1");
                 sublist.add("Item 2 - SubItem 1");
                 list.add(sublist);
                 document.add(list);
                 document.close();             
                 fos.close();
                
                 System.out.println("PDF created in >> "+ pdfFilePath);
          } catch (Exception e) {
                 e.printStackTrace();
          }
   }
}
/* OUTPUT of above program/Example -
PDF created in >> E:/Create List and SubList In Pdf Example.pdf
*/


PDF formed after executing above java program(How to Create Lists And SubLists In Pdf in java) will look like this >


Summary -
So in this core java tutorial we learned How to Create Lists And SubLists In Pdf in java using iText library in java.
First we created List (new List(true); Or new List(List.ORDERED);) and then before adding sublist in list we added ListItems which acted as heading for sublist and then created and added sublist i.e. unordered list, and passed second argument of List while defining sublist like (sublist = new List(List.UNORDERED, 20)), second argument passed as 20 here was space between between bullet and ListItem added in sublist.



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References >



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