org.eclipse.xtext.xbase.lib
Class StringExtensions

java.lang.Object
  org.eclipse.xtext.xbase.lib.StringExtensions

public class StringExtensions
extends java.lang.Object

This is an extension library for strings.

Author:

Sven Efftinge - Initial contribution and API

Constructor Summary

StringExtensions()

Method Summary

static boolean	isNullOrEmpty(java.lang.String s) Returns true if s is null or equal to the empty String "".
static java.lang.String	operator_plus(java.lang.String a, java.lang.Object b) The binary + operator that concatenates two strings.
static java.lang.String	toFirstLower(java.lang.String s) Returns the String s with an lower case first character.
static java.lang.String	toFirstUpper(java.lang.String s) Returns the String s with an upper case first character.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringExtensions

public StringExtensions()

Method Detail

operator_plus

public static java.lang.String operator_plus(java.lang.String a,
                                             java.lang.Object b)

The binary + operator that concatenates two strings.

Parameters:

a - a string.

b - another string.

Returns:

a + b

isNullOrEmpty

public static boolean isNullOrEmpty(java.lang.String s)

Returns true if s is null or equal to the empty String "".

Parameters:

s - the string

Returns:

true if s is null or equal to the empty String ""

toFirstUpper

public static java.lang.String toFirstUpper(java.lang.String s)

Returns the String s with an upper case first character. This function is null-safe.

Parameters:

s - the string that should get an upper case first character. May be null.

Returns:

the String s with an upper case first character or null if the input String s was null.

toFirstLower

public static java.lang.String toFirstLower(java.lang.String s)

Returns the String s with an lower case first character. This function is null-safe.

Parameters:

s - the string that should get an lower case first character. May be null.

Returns:

the String s with an lower case first character or null if the input String s was null.