Package org.hamcrest.text

Class IsBlankString

java.lang.Object

org.hamcrest.BaseMatcher<String>

org.hamcrest.TypeSafeMatcher<String>

org.hamcrest.text.IsBlankString

All Implemented Interfaces:

Matcher<String>, SelfDescribing

public final class IsBlankString
extends TypeSafeMatcher<String>

Matches blank Strings (and null).

Method Summary

Modifier and Type	Method	Description
static Matcher<String>	blankOrNullString()	Creates a matcher of String that matches when the examined string is null, or contains zero or more whitespace characters and nothing else.
static Matcher<String>	blankString()	Creates a matcher of String that matches when the examined string contains zero or more whitespace characters and nothing else.
void	describeTo(Description description)	Generates a description of the object.
boolean	matchesSafely(String item)	Check if the item matches.

Methods inherited from class org.hamcrest.TypeSafeMatcher

describeMismatch, describeMismatchSafely, matches

Methods inherited from class org.hamcrest.BaseMatcher

_dont_implement_Matcher___instead_extend_BaseMatcher_, isNotNull, toString

Methods inherited from class java.lang.Object

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

Method Details

matchesSafely

public boolean matchesSafely(String item)

Description copied from class: TypeSafeMatcher

Check if the item matches. The item will already have been checked for the specific type and will never be null. Subclasses should implement this.

Specified by:

matchesSafely in class TypeSafeMatcher<String>

Parameters:

item - the type safe item to match against.

Returns:

boolean true/false depending if item matches matcher.

describeTo

public void describeTo(Description description)

Description copied from interface: SelfDescribing

Generates a description of the object. The description may be part of a description of a larger object of which this is just a component, so it should be worded appropriately.

Parameters:

description - The description to be built or appended to.

blankString

public static Matcher<String> blankString()

Creates a matcher of String that matches when the examined string contains zero or more whitespace characters and nothing else. For example:

assertThat("  ", is(blankString()))

Returns:

The matcher.

blankOrNullString

public static Matcher<String> blankOrNullString()

Creates a matcher of String that matches when the examined string is null, or contains zero or more whitespace characters and nothing else. For example:

assertThat(((String)null), is(blankOrNullString()))

Returns:

The matcher.