Examples with ZipEntry java.util.zip.ZipEntry used on opensource projects

Example 41 with ZipEntry

use of java.util.zip.ZipEntry in project buck by facebook.

the class JavaInMemoryFileObject method openOutputStream.

@Override
public synchronized OutputStream openOutputStream() throws IOException {
    if (isOpened) {
        throw new IOException(ALREADY_OPENED);
    }
    isOpened = true;
    final ZipEntry entry = JavaInMemoryFileManager.createEntry(getName());
    return new OutputStream() {

        @Override
        public void write(int b) throws IOException {
            bos.write(b);
        }

        @Override
        public void close() throws IOException {
            bos.close();
            jarFileSemaphore.acquireUninterruptibly();
            try {
                jarOutputStream.putNextEntry(entry);
                jarOutputStream.write(bos.toByteArray());
                jarOutputStream.closeEntry();
                isWritten = true;
            } finally {
                jarFileSemaphore.release();
            }
        }
    };
}

Example 42 with ZipEntry

use of java.util.zip.ZipEntry in project buck by facebook.

the class DxAnalysisMain method loadAllClasses.

private static ImmutableMap<String, ClassNode> loadAllClasses(String zipFileName) throws IOException {
    ImmutableMap.Builder<String, ClassNode> allClassesBuilder = ImmutableMap.builder();
    try (ZipFile inJar = new ZipFile(zipFileName)) {
        for (ZipEntry entry : Collections.list(inJar.entries())) {
            if (!entry.getName().endsWith(".class")) {
                continue;
            }
            // Skip external libraries.
            if (entry.getName().startsWith("junit/") || entry.getName().startsWith("org/junit/") || entry.getName().startsWith("com/google/common/")) {
                continue;
            }
            byte[] rawClass = ByteStreams.toByteArray(inJar.getInputStream(entry));
            ClassNode klass = new ClassNode();
            new ClassReader(rawClass).accept(klass, ClassReader.EXPAND_FRAMES);
            allClassesBuilder.put(klass.name, klass);
        }
    }
    return allClassesBuilder.build();
}

Example 43 with ZipEntry

use of java.util.zip.ZipEntry in project elasticsearch by elastic.

the class JarHellTests method makeJar.

URL makeJar(Path dir, String name, Manifest manifest, String... files) throws IOException {
    Path jarpath = dir.resolve(name);
    ZipOutputStream out;
    if (manifest == null) {
        out = new JarOutputStream(Files.newOutputStream(jarpath, StandardOpenOption.CREATE));
    } else {
        out = new JarOutputStream(Files.newOutputStream(jarpath, StandardOpenOption.CREATE), manifest);
    }
    for (String file : files) {
        out.putNextEntry(new ZipEntry(file));
    }
    out.close();
    return jarpath.toUri().toURL();
}

Example 44 with ZipEntry

use of java.util.zip.ZipEntry in project buck by facebook.

the class ZipWriteTest method main.

public static void main(String[] args) throws IOException, InterruptedException {
    try (CustomZipOutputStream zipOut = ZipOutputStreams.newOutputStream(Paths.get("/dev/null"), ZipOutputStreams.HandleDuplicates.APPEND_TO_ZIP)) {
        try (ZipFile zipIn = new ZipFile(new File(args[0]))) {
            for (Enumeration<? extends ZipEntry> entries = zipIn.entries(); entries.hasMoreElements(); ) {
                ZipEntry entry = entries.nextElement();
                ZipEntry newEntry = new ZipEntry(entry);
                if (entry.getMethod() == ZipEntry.DEFLATED) {
                    newEntry.setCompressedSize(-1);
                }
                zipOut.putNextEntry(newEntry);
                InputStream inputStream = zipIn.getInputStream(entry);
                ByteStreams.copy(inputStream, zipOut);
                zipOut.closeEntry();
            }
        }
    }
    System.gc();
    Thread.sleep(TimeUnit.SECONDS.toMillis(1));
    System.gc();
    Thread.sleep(TimeUnit.SECONDS.toMillis(5));
}

Example 45 with ZipEntry

use of java.util.zip.ZipEntry in project buck by facebook.

the class RepackZipEntriesStep method execute.

@Override
public StepExecutionResult execute(ExecutionContext context) {
    Path inputFile = filesystem.getPathForRelativePath(inputPath);
    Path outputFile = filesystem.getPathForRelativePath(outputPath);
    try (ZipInputStream in = new ZipInputStream(new BufferedInputStream(Files.newInputStream(inputFile)));
        CustomZipOutputStream out = ZipOutputStreams.newOutputStream(outputFile)) {
        for (ZipEntry entry = in.getNextEntry(); entry != null; entry = in.getNextEntry()) {
            CustomZipEntry customEntry = new CustomZipEntry(entry);
            if (entries.contains(customEntry.getName())) {
                customEntry.setCompressionLevel(compressionLevel.getValue());
            }
            InputStream toUse;
            // If we're using STORED files, we must pre-calculate the CRC.
            if (customEntry.getMethod() == ZipEntry.STORED) {
                try (ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
                    ByteStreams.copy(in, bos);
                    byte[] bytes = bos.toByteArray();
                    customEntry.setCrc(Hashing.crc32().hashBytes(bytes).padToLong());
                    customEntry.setSize(bytes.length);
                    customEntry.setCompressedSize(bytes.length);
                    toUse = new ByteArrayInputStream(bytes);
                }
            } else {
                toUse = in;
            }
            out.putNextEntry(customEntry);
            ByteStreams.copy(toUse, out);
            out.closeEntry();
        }
        return StepExecutionResult.SUCCESS;
    } catch (IOException e) {
        context.logError(e, "Unable to repack zip");
        return StepExecutionResult.ERROR;
    }
}