Package org.eclipse.xtext.xbase.lib
Class StringExtensions
- java.lang.Object
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- org.eclipse.xtext.xbase.lib.StringExtensions
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@GwtCompatible public class StringExtensions extends java.lang.Object
This is an extension library forstrings
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Constructor Summary
Constructors Constructor Description StringExtensions()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static boolean
isNullOrEmpty(java.lang.String s)
Returnstrue
ifs
isnull
or equal to the emptyString
""
.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 theString
s
with anlower case
first character.static java.lang.String
toFirstUpper(java.lang.String s)
Returns theString
s
with anupper case
first character.
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Method Detail
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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
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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
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isNullOrEmpty
@Pure public static boolean isNullOrEmpty(java.lang.String s)
Returnstrue
ifs
isnull
or equal to the emptyString
""
.- Parameters:
s
- the string- Returns:
true
ifs
isnull
or equal to the emptyString
""
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toFirstUpper
@Pure public static java.lang.String toFirstUpper(java.lang.String s)
Returns theString
s
with anupper case
first character. This function is null-safe.- Parameters:
s
- the string that should get an upper case first character. May benull
.- Returns:
- the
String
s
with an upper case first character ornull
if the inputString
s
wasnull
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toFirstLower
@Pure public static java.lang.String toFirstLower(java.lang.String s)
Returns theString
s
with anlower case
first character. This function is null-safe.- Parameters:
s
- the string that should get an lower case first character. May benull
.- Returns:
- the
String
s
with an lower case first character ornull
if the inputString
s
wasnull
.
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