Method Detail

• isMobileBrowser

  public static boolean isMobileBrowser(String ua)

  The intent here is to return true for phones but false for big tablets? But not consistent.

  Parameters:

  ua - User-Agent string, non-null

  Returns:

  true if a mobile browser

• isSmallBrowser

  public static boolean isSmallBrowser(String ua)

  Parameters:

  ua - User-Agent string, non-null

  Returns:

  true if a text-mode or mobile browser

• isTextBrowser

  public static boolean isTextBrowser(String ua)

  Parameters:

  ua - User-Agent string, non-null

  Returns:

  true if a text-mode browser

• sanitizeQuery

  public static String sanitizeQuery(String s)

  Sanitize an encoded String from getQueryString(). Does not decode.

  Parameters:

  s - may be null

  Returns:

  s or null if s was null or s contained any problematic characters

• truncate

  public static String truncate(String s,
                                int len)

  Truncate a String. Same as s.substring(0, len) except that it won't split a surrogate pair or at a ZWJ.

  Parameters:

  s - non-null

  len - greater than zero

  Returns:

  s if shorter; s.substring(0, len) if the char at len-1 is not a high surrogate or the char at len-1 or len is not a zero-width joiner; s.substring(0, len+1 or len+2) if it is