Convert TEXT to PDF file using Java

To create a PDF file from the TEXT file using Java. The Text file withe path is given as input and the created PDF will be saved in the same path .

package createPDF;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import com.itextpdf.text.Chunk;
import com.itextpdf.text.Document;
import com.itextpdf.text.Element;
import com.itextpdf.text.Font;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfWriter;
public class TextfiletoPDFCreation {

 /**
  * @param args
  */
 public static void main(String[] args) {
  // TODO Auto-generated method stub
  if(args.length>0)
  {
   File file=new File(args[0]);
   if(file.getName().endsWith(".txt"))
   {
    if(convertTextfileToPDF(file))
    {
     System.out.println("PDF created");
    }
   }  
   
  }

 }
 public static boolean convertTextfileToPDF(File file)
 {
  FileInputStream iStream=null;
  DataInputStream in=null;
  InputStreamReader is=null;
  BufferedReader br=null;
  try {
      Document pdfDoc = new Document();
      
    String text_file_name =file.getParent()+"\\"+"texttpPDF.pdf";
    PdfWriter writer=PdfWriter.getInstance(pdfDoc,new FileOutputStream(text_file_name));
    pdfDoc.open();
    pdfDoc.setMarginMirroring(true);
    pdfDoc.setMargins(36, 72, 108,180);
    pdfDoc.topMargin();
    Font normal_font = new Font();
    Font bold_font = new Font();
    bold_font.setStyle(Font.BOLD);
    bold_font.setSize(10);
    normal_font.setStyle(Font.NORMAL);
    normal_font.setSize(10);
    pdfDoc.add(new Paragraph("\n"));
    if(file.exists())
    {
    iStream = new FileInputStream(file);
     in = new DataInputStream(iStream);
     is=new InputStreamReader(in);
     br = new BufferedReader(is);
    String strLine;
    while ((strLine = br.readLine()) != null)   {
     Paragraph para =new Paragraph(strLine+"\n",normal_font);
     para.setAlignment(Element.ALIGN_JUSTIFIED);
     pdfDoc.add(para);
    }
    }   
    else
    {
     System.out.println("file does not exist");
     return false;
    }
    pdfDoc.close(); 
  }
  
  catch(Exception e)
  {
   System.out.println("FileUtility.covertEmailToPDF(): exception = " + e.getMessage());
  }
  finally
  {
   
    try {
     if(br!=null)
     {
     br.close();
     }
     if(is!=null)
     {
     is.close();
     }
     if(in!=null)
     {
     in.close();
     }
     if(iStream!=null)
     {
      iStream.close();
     }
    } catch (IOException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }
   
  }
  return true;
 }

}