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java.lang.Object org.assertj.core.util.Strings
public final class Strings
Utility methods related to String
s.
Nested Class Summary | |
---|---|
static class |
Strings.StringsToJoin
Knows how to join String s using a given delimiter. |
static class |
Strings.StringToAppend
Knows how to append a given String to the given target, only if the target does not end with the given
String to append. |
Method Summary | |
---|---|
static Strings.StringToAppend |
append(String toAppend)
Appends a given String to the given target, only if the target does not end with the given String
to append. |
static String |
concat(Object... objects)
Concatenates the given objects into a single String . |
static String |
formatIfArgs(String message,
Object... args)
Format with String.format(String, Object...) the given message iif some args have been given otherwise juts
return the message. |
static boolean |
isEmpty(String s)
Deprecated. |
static boolean |
isNullOrEmpty(String s)
Indicates whether the given String is null or empty. |
static Strings.StringsToJoin |
join(Iterable<?> toStringable)
Joins the given Object s using a given delimiter. |
static Strings.StringsToJoin |
join(String... strings)
Joins the given String s using a given delimiter. |
static Object |
quote(Object o)
Returns the given object surrounded by single quotes, only if the object is a String . |
static String |
quote(String s)
Returns the given String surrounded by single quotes, or null if the given String is
null . |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static boolean isNullOrEmpty(String s)
String
is null
or empty.
s
- the String
to check.
true
if the given String
is null
or empty, otherwise false
.@Deprecated public static boolean isEmpty(String s)
isNullOrEmpty(String)
instead.
public static String quote(String s)
String
surrounded by single quotes, or null
if the given String
is
null
.
s
- the given String
.
String
surrounded by single quotes, or null
if the given String
is
null
.public static Object quote(Object o)
String
.
o
- the given object.
String
.quote(String)
public static String concat(Object... objects)
String
. This method is more efficient than concatenating using
"+", since only one StringBuilder
is created.
objects
- the objects to concatenate.
String
containing the given objects.public static String formatIfArgs(String message, Object... args)
String.format(String, Object...)
the given message iif some args have been given otherwise juts
return the message.
message
- the string to formatargs
- args used to format the message, can be null or empty
public static Strings.StringsToJoin join(String... strings)
String
s using a given delimiter. The following example illustrates proper usage of this
method:
Strings.join("a", "b", "c").with("|")which will result in the
String
"a|b|c"
.
strings
- the String
s to join.
String
s.Strings.StringsToJoin.with(String)
public static Strings.StringsToJoin join(Iterable<?> toStringable)
Object
s using a given delimiter. The following example illustrates proper usage of this
method:
Strings.join(new ArrayList("a", "b", "c")).with("|")which will result in the
String
"a|b|c"
.
toStringable
- the Object
s to join.
Object
s.Strings.StringsToJoin.with(String)
public static Strings.StringToAppend append(String toAppend)
String
to the given target, only if the target does not end with the given String
to append. The following example illustrates proper usage of this method:
Strings.append("c").to("ab"); Strings.append("c").to("abc");resulting in the
String
"abc"
for both cases.
toAppend
- the String
to append.
String
and knows to append the given String
.Strings.StringToAppend.to(String)
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