Package com.xmlmind.util

Class StringList

java.lang.Object

com.xmlmind.util.StringList

public final class StringList
extends Object

A collection of utility functions (static methods) operating on lists of Strings.

What is called a list of Strings here is simply an array of Strings. Such array may not contain null elements.

Field Summary

Fields

Modifier and Type	Field	Description
static String[]	EMPTY_LIST	A ready-to-use empty list of Strings.

Method Summary

Modifier and Type	Method	Description
static String[]	append(String[] strings, String string)	Inserts a String as last item of a list of Strings.
static boolean	contains(String[] strings, String string)	Tests if list strings contains String string.
static boolean	containsIgnoreCase(String[] strings, String string)	Same as contains(java.lang.String[], java.lang.String) but string comparison is case-insensitive.
static int	indexOf(String[] strings, String string)	Searches String string within list strings.
static String[]	insertAt(String[] strings, String string, int index)	Inserts a String inside a list of Strings.
static String[]	prepend(String[] strings, String string)	Inserts a String as first item of a list of Strings.
static String[]	remove(String[] strings, String string)	Removes a String from a list of Strings.
static String[]	removeAt(String[] strings, int index)	Removes an item specified by its position from a list of Strings.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EMPTY_LIST

public static final String[] EMPTY_LIST

A ready-to-use empty list of Strings.

Method Detail

indexOf

public static int indexOf(String[] strings,
                          String string)

Searches String string within list strings.

Parameters:

strings - the list to be searched

string - the String to search for

Returns:

the index of the searched string within list or -1 if not found

contains

public static boolean contains(String[] strings,
                               String string)

Tests if list strings contains String string.

Parameters:

strings - the list to be searched

string - the String to search for

Returns:

true the string is found and false otherwise

containsIgnoreCase

public static boolean containsIgnoreCase(String[] strings,
                                         String string)

Same as contains(java.lang.String[], java.lang.String) but string comparison is case-insensitive.

insertAt

public static String[] insertAt(String[] strings,
                                String string,
                                int index)

Inserts a String inside a list of Strings.

Parameters:

strings - the list where a String is to be inserted

string - the String to insert

index - the insertion index

Returns:

a list containing all the items of list strings plus String string inserted at position index

prepend

public static String[] prepend(String[] strings,
                               String string)

Inserts a String as first item of a list of Strings.

Parameters:

strings - the list where a String is to be inserted

string - the String to insert

Returns:

a list containing all the items of list strings plus String string inserted at its beginning

append

public static String[] append(String[] strings,
                              String string)

Inserts a String as last item of a list of Strings.

Parameters:

strings - the list where a String is to be inserted

string - the String to insert

Returns:

a list containing all the items of list strings plus String string inserted at its end

remove

public static String[] remove(String[] strings,
                              String string)

Removes a String from a list of Strings.

Parameters:

strings - the list where a String is to be removed

string - the String to remove

Returns:

a list containing all the items of list strings less String string if such String is contained in the list; the original list otherwise

removeAt

public static String[] removeAt(String[] strings,
                                int index)

Removes an item specified by its position from a list of Strings.

Parameters:

strings - the list where an item is to be removed

index - the position of the item to remove

Returns:

a list containing all the items of list strings less the item at position index