Package joptsimple.internal

Class Strings

java.lang.Object

joptsimple.internal.Strings

public final class Strings
extends Object

Author:

Paul Holser

Field Summary

Fields

Modifier and Type	Field	Description
static String	EMPTY
static String	LINE_SEPARATOR

Method Summary

Modifier and Type	Method	Description
static boolean	isNullOrEmpty(String target)	Tells whether the given string is either or consists solely of whitespace characters.
static String	join(Iterable<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

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(Iterable<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