Padding a string, truncate a string : String « Date Type « Android






  1. Android
  2. Date Type
  3. String

Padding a string, truncate a string

    
class Utils {
  public static String padding(String str, int repeat, char padChar) {
    StringBuilder result = new StringBuilder();

    int len = str.length();
    if (repeat > len) {
      for (int i = 0; i < (repeat - len); i++) {
        result.append(padChar);
      }
    }
    result.append(str);

    return result.toString();
  }

  public static String truncate(String str, int len) {
    if (len <= 3) {
      throw new IllegalArgumentException();
    }

    if (str.length() > len) {
      return str.substring(0, (len - 3)) + "...";
    } else {
      return str;
    }
  }
}








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