1 package org.hamcrest.core; 2 3 import org.hamcrest.BaseMatcher; 4 import org.hamcrest.Matcher; 5 import org.hamcrest.Description; 6 import org.hamcrest.Factory; 7 8 import java.util.Arrays; 9 10 /** 11 * Calculates the logical conjunction of two matchers. Evaluation is 12 * shortcut, so that the second matcher is not called if the first 13 * matcher returns <code>false</code>. 14 */ 15 public class AllOf<T> extends BaseMatcher<T> { 16 private final Iterable<Matcher<? extends T>> matchers; 17 18 public AllOf(Iterable<Matcher<? extends T>> matchers) { 19 this.matchers = matchers; 20 } 21 22 public boolean matches(Object o) { 23 for (Matcher<? extends T> matcher : matchers) { 24 if (!matcher.matches(o)) { 25 return false; 26 } 27 } 28 return true; 29 } 30 31 public void describeTo(Description description) { 32 description.appendList("(", " and ", ")", matchers); 33 } 34 35 /** 36 * Evaluates to true only if ALL of the passed in matchers evaluate to true. 37 */ 38 @Factory 39 public static <T> Matcher<T> allOf(Matcher<? extends T>... matchers) { 40 return allOf(Arrays.asList(matchers)); 41 } 42 43 /** 44 * Evaluates to true only if ALL of the passed in matchers evaluate to true. 45 */ 46 @Factory 47 public static <T> Matcher<T> allOf(Iterable<Matcher<? extends T>> matchers) { 48 return new AllOf<T>(matchers); 49 } 50 51 } 52
