Class StringTools

Method Details

• breakForced

  public static String breakForced(String value, int max, String breakPattern)

• capitalize

  public static String capitalize(String text)

  Capitalizes the first letter of the text.

  Parameters:

  text -

  Returns:

  a capitalized version of the text

• clear

  public static void clear(char[] value)

  clear character array content.

  Parameters:

  value - The value to be cleared

• format

  public static String format(Object value, String format)

  Create a string representation and format value according to the instructions in format.

  If value is null, the empty string is returned.

• formatDate

  protected static String formatDate(Object value, String format)

• formatDateDefault

  protected static String formatDateDefault(Date date)

  Parameters:

  value -

• formatFloat

  protected static String formatFloat(Object value, String format)

• formatInteger

  protected static String formatInteger(Object value, String format)

• formatPath

  protected static String formatPath(Object value, String string)

• formatString

  protected static String formatString(Object value, String format)

• getCommonPrefix

  public static String getCommonPrefix(String a, String b, boolean ignoreCase)

• getFirstLine

  public static String getFirstLine(String text)

  The first line of text (all characters up to the first occurence of either "\n" or "\r".

  Parameters:

  text - The text where the first line is looked up.

  Returns:

  The first line of text

• getLeading

  public static String getLeading(String value, int count)

• getLineCount

  public static int getLineCount(String text)

  The number of lines in text. This is 1 + the number of "\n" in text.

  Parameters:

  text - The text where the lines are counted.

  Returns:

  The number of lines in text. This is 1 + the number of "\n" in text.

• getTrailing

  public static String getTrailing(String value, int count)

• isEmpty

  public static boolean isEmpty(char[] value)

  true if value is "empty" in any respect.

  This is the case when value == null, value has no characters or only whitespace.

  Parameters:

  value - The value to be inspected for emptyness.

  Returns:

  true if value is "empty" in any respect.

• isEmpty

  public static boolean isEmpty(String value)

  true if value is "empty" in any respect.

  This is the case when value == null, value has no characters or only whitespace.

  Parameters:

  value - The value to be inspected for emptyness.

  Returns:

  true if value is "empty" in any respect.

• isNumeric

  public static boolean isNumeric(String value)

  true if value seems to be a numeric value. To qualify only the first character is examined. value qualifies as numeric if the first character is a digit, a "+", a "-" or a ".".

  Parameters:

  value -

  Returns:

  true if value seems to be numeric.

• join

  public static String join(List<String> elements, String separator)

  Joins a List of Strings to a single one. All elements are separated by the separator.

  Parameters:

  elements - List of Strings

  separator - a String used as a separator between two elements, e.g. "\n" for a new line. May be null.

  Returns:

  the joined string

• join

  public static String join(String[] elements, String separator)

  Joins an array of Strings to a single one. All elements are separated by the separator.

  Parameters:

  elements - array of Strings

  separator - a String used as a separator between two elements, e.g. "\n" for a new line. May be null.

  Returns:

  the joined string

• padLeft

  public static String padLeft(String value, int count)

• padRight

  public static String padRight(String value, int count)

• parseArgs

  protected static String[] parseArgs(String string)

• parseArgsString

  protected static String parseArgsString(String string)

• parseCommandline

  public static String[] parseCommandline(String line)

  Parse a commandline string with the default escape character.

  Parameters:

  line - The commandline string.

  Returns:

  The array of string tokens in the commandline string.

• parseCommandline

  public static String[] parseCommandline(String line, char escape)

  Parse a commandline string.

  Parameters:

  line - The commandline string.

  Returns:

  The array of string tokens in the commandline string.

• safeString

  public static String safeString(Object object)

  Create a string representation of object that is guaranteed not to fail in any case.

  Parameters:

  object - The object to be printed.

  Returns:

  Create a string representation of object that is guaranteed not to fail in any case.

• toByteArray

  public static byte[] toByteArray(String value)

  Create a byte array from the string. This is simply a fast version of getBytes, ignoring any encoding.

  If you use this, you should be sure you will encounter valid ascii characters only!

  Parameters:

  value -

  Returns:

  A byte array created from value, ignoring high byte.

• toString

  public static String toString(byte[] value)

  Create a string from the byte array. This is simply a fast version of new String(), ignoring any encoding.

  If you use this, you should be sure you will encounter valid ascii characters only!

  Parameters:

  value -

  Returns:

  A string created from the byte values in value.

• trimAlphaNumeric

  public static String trimAlphaNumeric(String value)

  Create a string containing only the alphanumeric content of value.

  Parameters:

  value - The string to be trimmed.

  Returns:

  A string containing only the alphanumeric content of value.

• trimLeft

  public static String trimLeft(String value)

  Create a new string from value without leading whitespace.

  Parameters:

  value - The string to be stripped.

  Returns:

  A copy of value with leading whitespace stripped.

• trimRight

  public static String trimRight(String value)

  Create a new string from value without trailing whitespace.

  Parameters:

  value - The string to be stripped.

  Returns:

  A copy of value with trailing whitespace stripped.