org.xwiki.gwt.user.client
Class StringUtils

java.lang.Object
  org.xwiki.gwt.user.client.StringUtils

public class StringUtils
extends java.lang.Object

Operations on Strings.

Version:

$Id: StringUtils.java 33189 2010-11-30 13:57:38Z mflorea $

Constructor Summary

protected

StringUtils() Constructor.

Method Summary

static boolean	areEqual(java.lang.String expected, java.lang.String actual)
static boolean	isEmpty(java.lang.String str) Check is a String is empty ("") or null.
static java.lang.String	join(java.util.Collection<?> collection, java.lang.String inputSeparator) Joins the elements of the provided collection into a single string containing the provided elements.
static java.lang.String	substringAfterLast(java.lang.String str, java.lang.String pattern)

Methods inherited from class java.lang.Object

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

Constructor Detail

StringUtils

protected StringUtils()

Constructor.

Method Detail

isEmpty

public static boolean isEmpty(java.lang.String str)

Check is a String is empty ("") or null.

Parameters:

str - String to inspect.

Returns:

true if the string is empty or null, false otherwise.

substringAfterLast

public static java.lang.String substringAfterLast(java.lang.String str,
                                                  java.lang.String pattern)

Parameters:

str - the string to search in

pattern - the pattern to search in str

Returns:

the substring in str after the last occurrence of pattern, or the full str if pattern does not appear

areEqual

public static boolean areEqual(java.lang.String expected,
                               java.lang.String actual)

Parameters:

expected - the expected string

actual - the actual string

Returns:

true if the given strings are equal, false otherwise

join

public static java.lang.String join(java.util.Collection<?> collection,
                                    java.lang.String inputSeparator)

Joins the elements of the provided collection into a single string containing the provided elements. No delimiter is added before or after the list. A null separator is the same as an empty string ("").

Parameters:

collection - the collection of values to join together, may be null

inputSeparator - the separator string to use, null treated as ""

Returns:

the joined string