joptsimple.internal
Class Strings

java.lang.Object
  extended by joptsimple.internal.Strings

public final class Strings
extends Object

Author:
Paul Holser

Field Summary
static String EMPTY
           
static String LINE_SEPARATOR
           
static String SINGLE_QUOTE
           
 
Method Summary
static boolean isNullOrEmpty(String target)
          Tells whether the given string is either or consists solely of whitespace characters.
static String join(List<String> pieces, String separator)
          Gives a string consisting of the string representations of the elements of a given array of objects, each separated by a given separator string.
static String join(String[] pieces, String separator)
          Gives a string consisting of the elements of a given array of strings, each separated by a given separator string.
static String repeat(char ch, int count)
          Gives a string consisting of the given character repeated the given number of times.
static String surround(String target, char begin, char end)
          Gives a string consisting of a given string prepended and appended with surrounding characters.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

EMPTY

public static final String EMPTY
See Also:
Constant Field Values

SINGLE_QUOTE

public static final String SINGLE_QUOTE
See Also:
Constant Field Values

LINE_SEPARATOR

public static final String LINE_SEPARATOR
Method Detail

repeat

public static String repeat(char ch,
                            int count)

Gives a string consisting of the given character repeated the given number of times.

Parameters:
ch - the character to repeat
count - how many times to repeat the character
Returns:
the resultant string

isNullOrEmpty

public static boolean isNullOrEmpty(String target)

Tells whether the given string is either or consists solely of whitespace characters.

Parameters:
target - string to check
Returns:
true if the target string is null or empty

surround

public static String surround(String target,
                              char begin,
                              char end)

Gives a string consisting of a given string prepended and appended with surrounding characters.

Parameters:
target - a string
begin - character to prepend
end - character to append
Returns:
the surrounded string

join

public static String join(String[] pieces,
                          String separator)
Gives a string consisting of the elements of a given array of strings, each separated by a given separator string.

Parameters:
pieces - the strings to join
separator - the separator
Returns:
the joined string

join

public static String join(List<String> pieces,
                          String separator)
Gives a string consisting of the string representations of the elements of a given array of objects, each separated by a given separator string.

Parameters:
pieces - the elements whose string representations are to be joined
separator - the separator
Returns:
the joined string


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