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package org.hamcrest.core;
import org.hamcrest.BaseMatcher;
import org.hamcrest.Matcher;
import org.hamcrest.Description;
import org.hamcrest.Factory;
import java.util.Arrays;
/**
* Calculates the logical conjunction of two matchers. Evaluation is
* shortcut, so that the second matcher is not called if the first
* matcher returns <code>false</code>.
*/
public class AllOf<T> extends BaseMatcher<T> {
private final Iterable<Matcher<? extends T>> matchers;
public AllOf(Iterable<Matcher<? extends T>> matchers) {
this.matchers = matchers;
}
public boolean matches(Object o) {
for (Matcher<? extends T> matcher : matchers) {
if (!matcher.matches(o)) {
return false;
}
}
return true;
}
public void describeTo(Description description) {
description.appendList("(", " and ", ")", matchers);
}
/**
* Evaluates to true only if ALL of the passed in matchers evaluate to true.
*/
@Factory
public static <T> Matcher<T> allOf(Matcher<? extends T>... matchers) {
return allOf(Arrays.asList(matchers));
}
/**
* Evaluates to true only if ALL of the passed in matchers evaluate to true.
*/
@Factory
public static <T> Matcher<T> allOf(Iterable<Matcher<? extends T>> matchers) {
return new AllOf<T>(matchers);
}
}
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