code: private String surroundFields(String csvData) {
  
          StringBuilder surroundedCSV = null;
          StringTokenizer currTokenizer = null;
  
          surroundedCSV = new StringBuilder();
  
          for (String currLine : csvData.split(BREAK)) {
  
              currTokenizer = new StringTokenizer(currLine, SEP);
  
              while (currTokenizer.hasMoreTokens()) {
  
                  surroundedCSV.append(QUOTATION).append(currTokenizer.nextToken()).append(QUOTATION);
  
                  if (currTokenizer.hasMoreTokens())
                      surroundedCSV.append(SEP);
              }
  
              surroundedCSV.append(BREAK);
          }
  
          return surroundedCSV.toString();
      }
docs: Surround the given CSV data with quotations for every field.
  
  @param csvData The original data without quotations.
  @return A new string object with all fields being quoted.