utils.java

Java Application using EJB 3.0 for renting a car - Entities : Car, User, Renting Business Logic. Ne

package utils;

import java.util.StringTokenizer;

public class Utils {
    
   public Utils() { }
    
   public String convertDate(String date) {
		
      String [] temp=new String[10]; 
      int i=0;
      StringTokenizer st = new StringTokenizer(date,"/");
      while (st.hasMoreTokens()) {
         i++;  	
         temp[i]=st.nextToken().toString();
      }
      String  newDate=temp[i];
      for(int j=i-1;j>0;j--){
         newDate=newDate+"-"+temp[j];
      }
      return newDate;
   }

    
   public int verifyDate(String data){
      int bo=1;
      try {	
          StringTokenizer tok=new StringTokenizer(data,"/");
	  String day=tok.nextToken();
	  String month=tok.nextToken();	
	  if (Integer.parseInt(day)>31){
	     System.out.print("The day must be lower than 31");
	     bo=0;
          }		
          if (Integer.parseInt(month)>12){
	     System.out.print("The month must be lower than 12");
	     bo=0;
	  }	  	
      }
      catch(Exception ex){
         System.out.print("Wrong data format  : dd/mm/yyyy !!!");
	 bo=0;
      }
      return bo;
   }
}