| // 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.aapt2; |
| |
| import static com.google.common.collect.ImmutableList.toImmutableList; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.base.Predicates; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Lists; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.function.Function; |
| import javax.annotation.Nullable; |
| |
| /** A static library generated by aapt2. */ |
| public class StaticLibrary { |
| |
| private final Path library; |
| private final Optional<Path> rTxt; |
| private final Optional<List<Path>> assets; |
| private final Optional<Path> sourceJar; |
| |
| private StaticLibrary( |
| Path library, Optional<Path> rTxt, Optional<List<Path>> assets, Optional<Path> sourceJar) { |
| this.library = library; |
| this.rTxt = rTxt; |
| this.assets = assets; |
| this.sourceJar = sourceJar; |
| } |
| |
| public static StaticLibrary from(Path library) { |
| return of(library, Optional.empty(), Optional.empty(), Optional.empty()); |
| } |
| |
| public static StaticLibrary from(Path library, Path rTxt) { |
| return of(library, Optional.of(rTxt), Optional.empty(), Optional.empty()); |
| } |
| |
| private static StaticLibrary of( |
| Path library, Optional<Path> rTxt, Optional<List<Path>> assets, Optional<Path> sourceJar) { |
| return new StaticLibrary(library, rTxt, assets, sourceJar); |
| } |
| |
| public static StaticLibrary from(Path library, Path rTxt, ImmutableList<Path> assetDirs) { |
| return of(library, Optional.ofNullable(rTxt), Optional.ofNullable(assetDirs), Optional.empty()); |
| } |
| |
| public static StaticLibrary from( |
| Path library, Path rTxt, ImmutableList<Path> assetDirs, Path sourceJar) { |
| return of( |
| library, |
| Optional.ofNullable(rTxt), |
| Optional.ofNullable(assetDirs), |
| Optional.ofNullable(sourceJar)); |
| } |
| |
| public static Collection<String> toPathStrings(List<StaticLibrary> libraries) { |
| return Lists.transform(libraries, StaticLibrary::asLibraryPathString); |
| } |
| |
| public StaticLibrary copyLibraryTo(Path target) throws IOException { |
| return of(Files.copy(library, target), rTxt, assets, sourceJar); |
| } |
| |
| public StaticLibrary copyRTxtTo(@Nullable final Path target) { |
| return of(library, rTxt.map(copyTo(target)), assets, sourceJar); |
| } |
| |
| public StaticLibrary copySourceJarTo(@Nullable final Path target) { |
| return of(library, rTxt, assets, sourceJar.map(copyTo(target))); |
| } |
| |
| private Function<Path, Path> copyTo(Path target) { |
| return input -> { |
| if (target == null) { |
| return input; |
| } |
| try { |
| return Files.copy(input, target); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| }; |
| } |
| |
| @VisibleForTesting |
| public String asLibraryPathString() { |
| return fixForAapt2(library).toString(); |
| } |
| |
| // TODO(b/64140845): aapt2 doesn't recognize .ap_ as a valid library. |
| private static Path fixForAapt2(Path library) { |
| if (library.getFileName().toString().endsWith(".ap_")) { |
| Path fixed = library.resolveSibling(library.getFileName().toString().replace(".ap_", ".apk")); |
| // The file has already been "fixed" |
| if (Files.exists(fixed)) { |
| return fixed; |
| } |
| try { |
| |
| return Files.copy(library, fixed); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| return library; |
| } |
| |
| private List<Path> asAssetPathStrings() { |
| return assets.orElse(ImmutableList.of()); |
| } |
| |
| public static Collection<String> toAssetPaths(List<StaticLibrary> libraries) { |
| return libraries |
| .stream() |
| .map(StaticLibrary::asAssetPathStrings) |
| .filter(Predicates.isNull()) |
| .flatMap(List::stream) |
| .map(Object::toString) |
| .collect(toImmutableList()); |
| } |
| } |