| // 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.xcodegen; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| import com.google.common.collect.ImmutableList; |
| |
| import java.nio.file.FileSystem; |
| import java.nio.file.Path; |
| import java.util.List; |
| |
| /** |
| * Utility methods for working with relative {@link Path} objects. |
| */ |
| class RelativePaths { |
| private RelativePaths() { |
| throw new UnsupportedOperationException("static-only"); |
| } |
| |
| /** |
| * Converts the given string to a {@code Path}, confirming it is relative. |
| */ |
| static Path fromString(FileSystem fileSystem, String pathString) { |
| Path path = fileSystem.getPath(pathString); |
| checkArgument(!path.isAbsolute(), "Expected relative path but got: %s", path); |
| return path; |
| } |
| |
| /** |
| * Converts each item in {@code pathStrings} using {@link #fromString(FileSystem, String)}. |
| */ |
| static List<Path> fromStrings(FileSystem fileSystem, Iterable<String> pathStrings) { |
| ImmutableList.Builder<Path> result = new ImmutableList.Builder<>(); |
| for (String pathString : pathStrings) { |
| result.add(fromString(fileSystem, pathString)); |
| } |
| return result.build(); |
| } |
| } |