1 package com.lexicalscope.fluentreflection;
2
3 /*
4 * Copyright 2011 Tim Wood
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 import java.util.List;
20
21 import org.hamcrest.Description;
22 import org.hamcrest.Matcher;
23
24 /**
25 * Inspired by LambdaJ
26 *
27 * @author tim
28 *
29 * @param <T>
30 */
31 final class MatcherAnd<T> extends ReflectionMatcher<T> {
32 private final List<? extends Matcher<? super T>> matchers;
33
34 private MatcherAnd(final List<? extends Matcher<? super T>> matchers) {
35 this.matchers = matchers;
36 }
37
38 /**
39 * {@inheritDoc}
40 */
41 @Override
42 public boolean matchesSafely(final T item) {
43 for (final Matcher<? super T> matcher : matchers) {
44 if (!matcher.matches(item)) {
45 return false;
46 }
47 }
48 return true;
49 }
50
51 @Override
52 public void describeTo(final Description description) {
53 for (int i = 0; i < matchers.size(); i++) {
54 description.appendDescriptionOf(matchers.get(i));
55 if (i + 1 < matchers.size()) {
56 description.appendText(" and ");
57 }
58 }
59 }
60
61 /**
62 * Creates an and matcher combining all the passed matchers
63 *
64 * @param matchers
65 * The matchers to be put in and
66 * @return A matcher that return true if all of the matchers return true
67 */
68 public static <T> MatcherAnd<T> andOf(final List<? extends Matcher<? super T>> matchers) {
69 return new MatcherAnd<T>(matchers);
70 }
71 }