| // Copyright 2014 The Bazel Authors. All rights reserved. |
| // |
| // 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.devtools.build.xcode.common; |
| |
| import java.nio.file.Path; |
| |
| /** Defines operations common to file paths. */ |
| public interface PathTransformer<P> { |
| /** Returns the containing directory of the given path. */ |
| P parent(P path); |
| |
| /** Returns the result of joining a path component string to the given path. */ |
| P join(P path, String segment); |
| |
| /** Returns the name of the file at the given path, i.e. the last path component. */ |
| String name(P path); |
| |
| static final PathTransformer<Path> FOR_JAVA_PATH = new PathTransformer<Path>() { |
| @Override |
| public Path parent(Path path) { |
| return path.getParent(); |
| } |
| |
| @Override |
| public Path join(Path path, String segment) { |
| return path.resolve(segment); |
| } |
| |
| @Override |
| public String name(Path path) { |
| return path.getFileName().toString(); |
| } |
| }; |
| } |