Constructor Detail

• StringUtil

  public StringUtil()

Method Detail

• appendProperties

  public static java.util.Properties appendProperties(java.util.Properties source,
                                      java.util.Properties plus,
                                      boolean override)

  Appends properties specified in a given 'plus' object to a given 'source' object. If the 'override' flag is true, the 'plus' properties will override the 'source' properties with the same name, otherwise the 'source' properties will stay.

  Parameters:

  source - The given 'source' properties object.

  plus - The given 'plus' properties object.

  override - If this flag is true, the 'plus' properties will override the 'source' properties with the same name, otherwise the 'source' properties will stay.

  Returns:

  The properties object, containing both the given 'source' properties and the given 'plus' properties.

• countWords

  public static int countWords(java.lang.String text)

  Parameters:

  text - The given string.

  Returns:

  The number of words in a given string.

• errorStackTraceContent

  public static java.lang.String errorStackTraceContent(java.lang.Throwable error)

  Return the content of the stack trace for a given Throwable object.

  Parameters:

  error - The given Throwable object.

  Returns:

  The content of the stack trace for the given error.

• extractTextFromMarkup

  public static java.lang.String extractTextFromMarkup(java.lang.String mString)

  Parameters:

  mString - The given markup string.

  Returns:

  Text extracted from a given markup string.

• getPlainClassName

  public static java.lang.String getPlainClassName(java.lang.Class<?> aClass)

  Returns a plain name (without package name) of a given Java Class.

  Parameters:

  aClass - The given Java Class.

  Returns:

  The plain name (without package name) of the given Java Class.

• isLowerCase

  public static boolean isLowerCase(java.lang.String string)

  Parameters:

  string - The given string.

  Returns:

  true, if all characters in a given string are lowercase letters, false otherwise.

• isUpperCase

  public static boolean isUpperCase(java.lang.String string)

  Parameters:

  string - The given string.

  Returns:

  true, if all characters in a given string are uppercase letters, false otherwise.

• indexOfIgnoreCase

  public static int indexOfIgnoreCase(java.lang.String mainStr,
                      java.lang.String argStr)

  Parameters:

  mainStr - The given string object.

  argStr - The given string argument.

  Returns:

  If the given string argument occurs as a substring, ignoring case, within the given string object, then the index of the first character of the first such substring is returned; if it does not occur as a substring, -1 is returned.

• indexOfIgnoreCase

  public static int indexOfIgnoreCase(java.lang.String mainStr,
                      java.lang.String argStr,
                      int fromIndex)

  Parameters:

  mainStr - The given string object.

  argStr - The given string argument.

  fromIndex - The index to start the search from.

  Returns:

  If the given string argument occurs as a substring, ignoring case, within the given string object at a starting index no smaller than fromIndex, then the index of the first character of the first such substring is returned; if it does not occur as a substring starting at fromIndex or beyond, -1 is returned.

• toRegExpReplacement

  public static java.lang.String toRegExpReplacement(java.lang.String string)

  Converts a given input string to another string that can be used as a 'replacement' string in the String::replaceAll(String regex, String replacement) method.
  Characters to be escaped are: "\ $".

  Parameters:

  string - The given input string.

  Returns:

  The string that can be used as a 'replacement' string in the String::replaceAll(String regex, String replacement) method.

• toRegExpString

  public static java.lang.String toRegExpString(java.lang.String string)

  Converts a given input string to another string that can be used in all 'regular expression' methods.
  Characters to be escaped are: "\ . $ ^ { [ ( | ) * + ?".

  Parameters:

  string - The given input string.

  Returns:

  The string that can be used in 'regular expression' methods.