| /** |
| * Copyright (C) 2006 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.inject.matcher; |
| |
| /** |
| * Implements {@code and()} and {@code or()}. |
| * |
| * @author crazybob@google.com (Bob Lee) |
| */ |
| public abstract class AbstractMatcher<T> implements Matcher<T> { |
| |
| public Matcher<T> and(final Matcher<? super T> other) { |
| return new AndMatcher<T>(this, other); |
| } |
| |
| public Matcher<T> or(Matcher<? super T> other) { |
| return new OrMatcher<T>(this, other); |
| } |
| |
| static class AndMatcher<T> extends AbstractMatcher<T> { |
| |
| final Matcher<? super T> a, b; |
| |
| public AndMatcher(Matcher<? super T> a, Matcher<? super T> b) { |
| this.a = a; |
| this.b = b; |
| } |
| |
| public boolean matches(T t) { |
| return a.matches(t) && b.matches(t); |
| } |
| } |
| |
| static class OrMatcher<T> extends AbstractMatcher<T> { |
| |
| final Matcher<? super T> a, b; |
| |
| public OrMatcher(Matcher<? super T> a, Matcher<? super T> b) { |
| this.a = a; |
| this.b = b; |
| } |
| |
| public boolean matches(T t) { |
| return a.matches(t) || b.matches(t); |
| } |
| } |
| } |