| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * 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.android.jack.shrob.spec; |
| |
| import javax.annotation.Nonnull; |
| |
| /** |
| * Represents a specification which supports negators. |
| * @param <T> the type the specification applies to |
| */ |
| public abstract class SpecificationWithNegator<T> implements Specification<T> { |
| |
| private boolean hasNegator; |
| |
| protected abstract boolean matchesWithoutNegator(@Nonnull T t); |
| |
| public void setNegator(boolean negator) { |
| this.hasNegator = negator; |
| } |
| |
| @Override |
| public boolean matches(@Nonnull T t) { |
| if (hasNegator) { |
| return !matchesWithoutNegator(t); |
| } else { |
| return matchesWithoutNegator(t); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| if (hasNegator) { |
| return "!"; |
| } else { |
| return ""; |
| } |
| } |
| } |