| /* |
| * 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 matches build targets that have the specified ancestor directory. |
| */ |
| public class SubdirectoryBuildTargetPattern implements BuildTargetPattern { |
| |
| private final String basePathWithSlash; |
| |
| /** |
| * @param basePathWithSlash The base path of the build target in the ancestor directory. It is |
| * expected to match the value returned from a {@link BuildTarget#getBasePathWithSlash()} |
| * call. |
| */ |
| public SubdirectoryBuildTargetPattern(String basePathWithSlash) { |
| Preconditions.checkArgument(basePathWithSlash.isEmpty() || basePathWithSlash.endsWith("/"), |
| "basePathWithSlash must either be the empty string or end with a slash"); |
| this.basePathWithSlash = basePathWithSlash; |
| } |
| |
| /** |
| * |
| * @return true if target not null and is under the directory basePathWithSlash, |
| * otherwise return false. |
| */ |
| @Override |
| public boolean apply(@Nullable BuildTarget target) { |
| if (target == null) { |
| return false; |
| } else { |
| return target.getBasePathWithSlash().startsWith(basePathWithSlash); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (!(o instanceof SubdirectoryBuildTargetPattern)) { |
| return false; |
| } |
| SubdirectoryBuildTargetPattern that = (SubdirectoryBuildTargetPattern) o; |
| return Objects.equal(this.basePathWithSlash, that.basePathWithSlash); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(basePathWithSlash); |
| } |
| } |