Source code: diagapplet/CodeGen/StrToInt.java

   package diagapplet.CodeGen;
       
   import java.util.*;
   
   /*
    *
    * StrToInt
    *
    */
  public class StrToInt 
  {
      public static int convert(String str) throws NumberFormatException
      {
        int multiplier = 1;
        StringTokenizer tokenizer = new StringTokenizer(str," \t\r\n\b:;[]()+");
        while(tokenizer.hasMoreTokens())
        {
          multiplier = 1;
          String token = tokenizer.nextToken();
          if(null == token)
          {  
              throw new NumberFormatException(str);
          }
          if(token.startsWith("-"))
          {
            multiplier = -1;
            token = token.substring(1);
          }
          int point_index = token.indexOf(".");
          if(point_index > 0)
          {
            token = token.substring(0,point_index);
          } else if(point_index == 0)
          {
            return 0;
          }
          try
          {
            if(token.startsWith("0x"))
            {
                return multiplier * Integer.parseInt(token.substring(2), 16);
            }
            else if(token.startsWith("0") && !token.equals("0"))
            {
                return multiplier * Integer.parseInt(token.substring(1), 8);
            }
            else
            {
                return multiplier * Integer.parseInt(token);
            }
          }
          catch(NumberFormatException e)
          {
            continue;
          }    
        }
        throw new NumberFormatException(str);    
      }
  
  
      public static void main(String args[])
      {
        System.out.println("convert(3.14) = "+convert("3.14"));
         System.out.println("convert(((NMLTYPE) 1006)) = "+convert("((NMLTYPE) 1006)"));
  
        System.out.println("convert((32)) = "+convert("(32)"));
         System.out.println("convert((0x100)) = "+convert("(0x100)"));
      }
  }