Examples with ZipEntrySource com.android.tools.build.bundletool.io.ZipEntrySource used on opensource projects

Example 1 with ZipEntrySource

use of com.android.tools.build.bundletool.io.ZipEntrySource in project bundletool by google.

the class AppBundleRecompressor method recompressAppBundle.

public void recompressAppBundle(File inputFile, File outputFile) {
    try (ZipReader zipReader = ZipReader.createFromFile(inputFile.toPath());
        ZipArchive newBundle = new ZipArchive(outputFile);
        TempDirectory tempDirectory = new TempDirectory(getClass().getSimpleName())) {
        ZipEntrySourceFactory sourceFactory = new ZipEntrySourceFactory(zipReader, tempDirectory);
        List<ListenableFuture<ZipEntrySource>> sources = new ArrayList<>();
        BundleConfig bundleConfig = extractBundleConfig(zipReader);
        ImmutableSet<String> uncompressedAssetsModules = extractModulesWithUncompressedAssets(zipReader, bundleConfig);
        CompressionManager compressionManager = new CompressionManager(bundleConfig, uncompressedAssetsModules);
        for (Entry entry : zipReader.getEntries().values()) {
            CompressionLevel compressionLevel = compressionManager.getCompressionLevel(entry);
            // parallelization there either.
            if (compressionLevel.equals(SAME_AS_SOURCE) || compressionLevel.equals(NO_COMPRESSION) || entry.getUncompressedSize() < LARGE_ENTRY_SIZE_THRESHOLD_BYTES) {
                sources.add(immediateFuture(sourceFactory.create(entry, compressionLevel)));
            } else {
                sources.add(executor.submit(() -> sourceFactory.create(entry, compressionLevel)));
            }
        }
        // as they're ready.
        for (ListenableFuture<ZipEntrySource> sourceFuture : Futures.inCompletionOrder(sources)) {
            ZipEntrySource source = Futures.getUnchecked(sourceFuture);
            if (source.getCompressionLevel().isCompressed() && source.getCompressedSize() >= source.getUncompressedSize()) {
                // No benefit in compressing, leave the file uncompressed.
                newBundle.add(sourceFactory.create(source.getEntry(), NO_COMPRESSION));
            } else {
                newBundle.add(source);
            }
        }
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}