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package org.hamcrest.core;
import org.hamcrest.Description;
import org.hamcrest.DiagnosingMatcher;
import org.hamcrest.Matcher;
import java.util.Arrays;
/**
* Calculates the logical conjunction of multiple matchers. Evaluation is shortcut, so
* subsequent matchers are not called if an earlier matcher returns <code>false</code>.
*/
public class AllOf<T> extends DiagnosingMatcher<T> {
private final Iterable<Matcher<? super T>> matchers;
public AllOf(Iterable<Matcher<? super T>> matchers) {
this.matchers = matchers;
}
@Override
public boolean matches(Object o, Description mismatch) {
for (Matcher<? super T> matcher : matchers) {
if (!matcher.matches(o)) {
mismatch.appendDescriptionOf(matcher).appendText(" ");
matcher.describeMismatch(o, mismatch);
return false;
}
}
return true;
}
@Override
public void describeTo(Description description) {
description.appendList("(", " " + "and" + " ", ")", matchers);
}
/**
* Creates a matcher that matches if the examined object matches <b>ALL</b> of the specified matchers.
* For example:
* <pre>assertThat("myValue", allOf(startsWith("my"), containsString("Val")))</pre>
*/
public static <T> Matcher<T> allOf(Iterable<Matcher<? super T>> matchers) {
return new AllOf<>(matchers);
}
/**
* Creates a matcher that matches if the examined object matches <b>ALL</b> of the specified matchers.
* For example:
* <pre>assertThat("myValue", allOf(startsWith("my"), containsString("Val")))</pre>
*/
@SafeVarargs
public static <T> Matcher<T> allOf(Matcher<? super T>... matchers) {
return allOf(Arrays.asList(matchers));
}
}
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