Examples with Entry com.android.zipflinger.Entry used on opensource projects

Example 6 with Entry

use of com.android.zipflinger.Entry in project bundletool by google.

the class ZipReader method getUncompressedPayload.

/**
 * Returns an {@link InputStream} of the uncompressed payload of a zip entry.
 */
@MustBeClosed
public InputStream getUncompressedPayload(String entryName) {
    Entry entry = getEntry(entryName).orElseThrow(() -> new EntryNotFoundException(zipMap.getFile(), entryName));
    InputStream entryPayload = getEntryPayload(entry);
    if (!entry.isCompressed()) {
        return entryPayload;
    }
    // nowrap = gzip compatible
    Inflater inflater = new Inflater(/* nowrap= */
    true);
    return new InflaterInputStream(entryPayload, inflater, BUFFER_SIZE_BYTES);
}

Example 7 with Entry

use of com.android.zipflinger.Entry in project bundletool by google.

the class ZipReader method transferTo.

/**
 * Copies the bytes of the payload of a zip entry to the given {@link ZipWriter}.
 *
 * <p>The copy happens using {@link FileChannel#transferTo} which takes advantage of filesystem
 * cache, making it a very I/O efficient way to copy data across files.
 */
public void transferTo(ZipWriter zipWriter, String entryName) {
    Entry entry = getEntry(entryName).orElseThrow(() -> new EntryNotFoundException(zipMap.getFile(), entryName));
    Location payloadLocation = entry.getPayloadLocation();
    try {
        zipWriter.transferFrom(fileChannel, payloadLocation.first, payloadLocation.size());
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

Example 8 with Entry

use of com.android.zipflinger.Entry in project bundletool by google.

the class ZipFlingerApkSerializer method writeToZipFile.

private void writeToZipFile(ModuleSplit split, Path outputPath, TempDirectory tempDir) throws IOException {
    checkFileDoesNotExist(outputPath);
    createParentDirectories(outputPath);
    split = apkSigner.signEmbeddedApks(split);
    // Write a Proto-APK with only files that aapt2 requires as part of the convert command.
    Path partialProtoApk = tempDir.getPath().resolve("proto.apk");
    writeProtoApk(split, partialProtoApk, tempDir);
    // Invoke aapt2 to convert files from proto to binary format.
    Path binaryApkPath = tempDir.getPath().resolve("binary.apk");
    if (enableSparseEncoding && split.getResourceTable().isPresent()) {
        Path interimApk = tempDir.getPath().resolve("interim.apk");
        aapt2.convertApkProtoToBinary(partialProtoApk, interimApk);
        aapt2.optimizeToSparseResourceTables(interimApk, binaryApkPath);
    } else {
        aapt2.convertApkProtoToBinary(partialProtoApk, binaryApkPath);
    }
    checkState(Files.exists(binaryApkPath), "No APK created by aapt2 convert command.");
    try (ZipArchive apkWriter = new ZipArchive(outputPath);
        ZipReader aapt2ApkReader = ZipReader.createFromFile(binaryApkPath)) {
        ImmutableMap<ZipPath, ModuleEntry> moduleEntriesByName = split.getEntries().stream().collect(toImmutableMap(entry -> ApkSerializerHelper.toApkEntryPath(entry.getPath()), entry -> entry, // e.g. base/assets/foo and base/root/assets/foo.
        (a, b) -> b));
        // Sorting entries by name for determinism.
        ImmutableSortedSet<ZipPath> sortedEntryNames = Stream.concat(aapt2ApkReader.getEntries().keySet().stream().map(ZipPath::create), moduleEntriesByName.keySet().stream()).collect(toImmutableSortedSet(naturalOrder()));
        ApkEntrySerializer apkEntrySerializer = new ApkEntrySerializer(apkWriter, aapt2ApkReader, split, tempDir);
        for (ZipPath pathInApk : sortedEntryNames) {
            Optional<Entry> aapt2Entry = aapt2ApkReader.getEntry(pathInApk.toString());
            if (aapt2Entry.isPresent()) {
                apkEntrySerializer.addAapt2Entry(pathInApk, aapt2Entry.get());
            } else {
                ModuleEntry moduleEntry = checkNotNull(moduleEntriesByName.get(pathInApk));
                apkEntrySerializer.addRegularEntry(pathInApk, moduleEntry);
            }
        }
    }
    apkSigner.signApk(outputPath, split);
}