Javaで改行とQuoteなしのシンプルなCSVを解析する

          BufferedReader reader =
            new BufferedReader(new InputStreamReader(
              new FileInputStream(file),
              DEF_CSV_FILE_ENCODING));

          buf.append("<table class='table'>");
          // 最終行まで読み込む
          String line = "";
          int lineNumber = 0;
          while ((line = reader.readLine()) != null) {
　　　　　　　　StringTokenizer st = new StringTokenizer(line, ",");
               while (st.hasMoreTokens()) {
                  String item = st.nextToken();
               }
          }