package ch4_package;
import java.io.*;
//import java.util.Scanner;
import java.math.BigInteger;
public class Test_This {
public static void main(String[] args) throws IOException
{
// TODO Auto-generated method stub
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
String file_name ="";
Process pp = new Process();
try{
//System.out.println("---While Loop---");
//writing xml to a file write_xml.xml
System.out.print("Please Enter a xml File name: ");
file_name = br.readLine();
//System.out.print("Now the text to be added : ");
//str_text = br.readLine();
pp.read_file(file_name);
}//try
catch(NumberFormatException e)
{ System.out.println("data was blank");}
}
}
class Process {

public void read_file(String str)throws IOException
{
//FileReader s = null;
BigInteger low = BigInteger.ONE;
BigInteger high = BigInteger.ONE;
try {
OutputStream os_file_fos= new FileOutputStream(str);
OutputStream os_Buff_fos= new BufferedOutputStream(os_file_fos);
OutputStreamWriter out = new OutputStreamWriter(os_Buff_fos, "8859_1");
System.out.println("satrted writing in xml");
out.write("<?xml version=\"1.0\" ");
out.write("encoding=\"ISO-8859-1\"?>\r\n");
out.write("<xml_numbers>\r\n");
for (int i = 1; i <= 10; i++) {
out.write(" <number index=\"" + i + "\">");
out.write(low.toString());
out.write("</number>\r\n");
BigInteger temp = high;
high = high.add(low);
low = temp;
}
out.write("</xml_numbers>\r\n");
out.flush(); // Don't forget to flush!
out.close();
}
catch (UnsupportedEncodingException e) {
System.out.println(
"This VM does not support the Latin-1 character set."
);
}
catch (IOException e) {
System.out.println(e.getMessage());
}
System.out.println("completed writing in xml");
}
}