org.eclipse.xtext.xbase.lib

Class StringExtensions

java.lang.Object

org.eclipse.xtext.xbase.lib.StringExtensions

@GwtCompatible
public class StringExtensions
extends Object

This is an extension library for strings.

Author:

Sven Efftinge - Initial contribution and API

Constructor Summary

Constructors

Constructor and Description
StringExtensions()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	isNullOrEmpty(String s) Returns true if s is null or equal to the empty String "".
static String	operator_plus(String a, Object b) The binary + operator that concatenates a string and the string reprentation of an object.
static String	operator_plus(String a, String b) The binary + operator that concatenates two strings.
static String	toFirstLower(String s) Returns the String s with an lower case first character.
static String	toFirstUpper(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 String operator_plus(String a,
                        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 String operator_plus(String a,
                        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(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 String toFirstUpper(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 String toFirstLower(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.