| /* |
| * Copyright 2012-present Facebook, 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.facebook.buck.model; |
| |
| import com.google.common.base.Objects; |
| |
| import javax.annotation.Nullable; |
| |
| /** |
| * A pattern that matches only one build target. |
| */ |
| public class SingletonBuildTargetPattern implements BuildTargetPattern { |
| |
| private final UnflavoredBuildTarget target; |
| |
| /** |
| * @param fullyQualifiedName The fully qualified name of valid target. It is expected to |
| * match the value returned from a {@link BuildTarget#getFullyQualifiedName()} call. |
| */ |
| public SingletonBuildTargetPattern(String fullyQualifiedName) { |
| |
| int colon = fullyQualifiedName.lastIndexOf(':'); |
| target = UnflavoredBuildTarget |
| .builder(fullyQualifiedName.substring(0, colon), fullyQualifiedName.substring(colon + 1)) |
| .build(); |
| } |
| |
| /** |
| * @return true if the given target not null and has the same fullyQualifiedName, |
| * otherwise return false. |
| */ |
| @Override |
| public boolean apply(@Nullable BuildTarget target) { |
| return target != null && this.target.equals(target.getUnflavoredBuildTarget()); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (!(o instanceof SingletonBuildTargetPattern)) { |
| return false; |
| } |
| SingletonBuildTargetPattern that = (SingletonBuildTargetPattern) o; |
| return Objects.equal(this.target, that.target); |
| } |
| |
| @Override |
| public int hashCode() { |
| return target.hashCode(); |
| } |
| |
| } |