| // Copyright 2017 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.android.desugar; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOError; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.function.Consumer; |
| import java.util.stream.Stream; |
| import java.util.zip.ZipEntry; |
| |
| /** Input provider is a directory. */ |
| class DirectoryInputFileProvider implements InputFileProvider { |
| |
| private final Path root; |
| |
| public DirectoryInputFileProvider(Path root) { |
| this.root = root; |
| } |
| |
| @Override |
| public String toString() { |
| return root.getFileName().toString(); |
| } |
| |
| @Override |
| public InputStream getInputStream(String filename) throws IOException { |
| return new FileInputStream(root.resolve(filename).toFile()); |
| } |
| |
| @Override |
| public ZipEntry getZipEntry(String filename) { |
| ZipEntry destEntry = new ZipEntry(filename); |
| destEntry.setTime(0L); // Use stable timestamp Jan 1 1980 |
| return destEntry; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| // Nothing to close |
| } |
| |
| @Override |
| public Iterator<String> iterator() { |
| final List<String> entries = new ArrayList<>(); |
| try (Stream<Path> paths = Files.walk(root)) { |
| paths.forEach( |
| new Consumer<Path>() { |
| @Override |
| public void accept(Path t) { |
| if (Files.isRegularFile(t)) { |
| // Internally, we use '/' as a common package separator in filename to abstract |
| // that filename can comes from a zip or a directory. |
| entries.add(root.relativize(t).toString().replace(File.separatorChar, '/')); |
| } |
| } |
| }); |
| } catch (IOException e) { |
| throw new IOError(e); |
| } |
| return entries.iterator(); |
| } |
| } |