org.crsh.util
Class Utils

java.lang.Object
  org.crsh.util.Utils

public class Utils
extends Object

Field Summary

private static Pattern

FOO

Constructor Summary

Utils()

Method Summary

static String	globexToRegex(String globex) Create a pattern that transforms a glob expression into a regular expression, the following task are supported * : Match any number of unknown characters ? : Match one unknown character [characters] : Match a character as part of a group of characters \ : Escape character
static int	indexOf(CharSequence s, int off, char c)
static <E> List<E>	list(E... elements)
static <E> List<E>	list(Iterable<E> iterable)
static <E> List<E>	list(Iterator<E> iterator)
static <K,V> HashMap<K,V>	map(K key, V value)
static <K,V,M extends Map<K,V>> M	map(M map, K key, V value)
static <E> ArrayList<E>	newArrayList()
static <K,V> HashMap<K,V>	newHashMap()
static <E> HashSet<E>	newHashSet()
static <E> LinkedList<E>	newLinkedList()
static <E> E	notNull(E e1, E e2)
static String	trimLeft(String s)

Methods inherited from class java.lang.Object

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

Field Detail

FOO

private static final Pattern FOO

Constructor Detail

Utils

public Utils()

Method Detail

newArrayList

public static <E> ArrayList<E> newArrayList()

newLinkedList

public static <E> LinkedList<E> newLinkedList()

newHashSet

public static <E> HashSet<E> newHashSet()

newHashMap

public static <K,V> HashMap<K,V> newHashMap()

map

public static <K,V,M extends Map<K,V>> M map(M map,
                                             K key,
                                             V value)

map

public static <K,V> HashMap<K,V> map(K key,
                                     V value)

list

public static <E> List<E> list(E... elements)

list

public static <E> List<E> list(Iterable<E> iterable)

list

public static <E> List<E> list(Iterator<E> iterator)

indexOf

public static int indexOf(CharSequence s,
                          int off,
                          char c)

trimLeft

public static String trimLeft(String s)

notNull

public static <E> E notNull(E e1,
                            E e2)

globexToRegex

public static String globexToRegex(String globex)
                            throws NullPointerException

Create a pattern that transforms a glob expression into a regular expression, the following task are supported

• * : Match any number of unknown characters
• ? : Match one unknown character
• [characters] : Match a character as part of a group of characters
• \ : Escape character

Parameters:

globex - the glob expression

Returns:

the regular expression

Throws:

NullPointerException - when the globex argument is null