org.eclipse.xtext.xbase.lib

Class StringExtensions

java.lang.Object

org.eclipse.xtext.xbase.lib.StringExtensions

@GwtCompatible
public class StringExtensions
extends java.lang.Object

This is an extension library for strings.

Constructor Summary

Constructors

Constructor and Description
StringExtensions()

Method Summary

Modifier and Type	Method and Description
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 a string and the string reprentation of an object.
static java.lang.String	operator_plus(java.lang.String a, java.lang.String 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

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

The binary + operator that concatenates a string and the string reprentation of an object.

Parameters:

a - a string.

b - an object.

Returns:

a + b

operator_plus

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

The binary + operator that concatenates two strings.

Parameters:

a - a string.

b - another string.

Returns:

a + b

Since:

2.5

isNullOrEmpty

@Pure
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

@Pure
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

@Pure
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.