| /* |
| * 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 com.google.common.base.Preconditions; |
| |
| import javax.annotation.Nullable; |
| |
| /** |
| * A pattern that matches only one build target. |
| */ |
| public class SingletonBuildTargetPattern implements BuildTargetPattern { |
| |
| public static final String RESOURCE_SUFFIX = "_resources"; |
| |
| public static final String PREBUILT_NATIVE_LIBS_SUFFIX = "_prebuilt_native_libs"; |
| |
| private final String fullyQualifiedName; |
| |
| /** |
| * @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) { |
| this.fullyQualifiedName = Preconditions.checkNotNull(fullyQualifiedName); |
| } |
| |
| /** |
| * @return true if the given target not null and has the same fullyQualifiedName, |
| * otherwise return false. |
| */ |
| @Override |
| public boolean apply(@Nullable BuildTarget target) { |
| if (target == null) { |
| return false; |
| } else { |
| return Objects.equal(this.fullyQualifiedName, target.getFullyQualifiedName()); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (!(o instanceof SingletonBuildTargetPattern)) { |
| return false; |
| } |
| SingletonBuildTargetPattern that = (SingletonBuildTargetPattern)o; |
| return Objects.equal(this.fullyQualifiedName, that.fullyQualifiedName); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(fullyQualifiedName); |
| } |
| |
| } |