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

Example 56 with InflaterInputStream

use of java.util.zip.InflaterInputStream in project DragonProxy by DragonetMC.

the class Zlib method inflate.

public static byte[] inflate(InputStream stream) throws IOException {
    InflaterInputStream inputStream = new InflaterInputStream(stream);
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int length;
    try {
        while ((length = inputStream.read(buffer)) != -1) {
            outputStream.write(buffer, 0, length);
        }
    } finally {
        buffer = outputStream.toByteArray();
        outputStream.flush();
        outputStream.close();
        inputStream.close();
    }
    return buffer;
}

Example 57 with InflaterInputStream

use of java.util.zip.InflaterInputStream in project LibreraReader by foobnix.

the class ZipFile method getInputStream.

/**
 * Returns an InputStream for reading the contents of the given entry.
 *
 * @param ze the entry to get the stream for.
 * @return a stream to read the entry from.
 * @throws IOException if unable to create an input stream from the zipentry
 */
public InputStream getInputStream(final ZipArchiveEntry ze) throws IOException {
    if (!(ze instanceof Entry)) {
        return null;
    }
    // cast validity is checked just above
    ZipUtil.checkRequestedFeatures(ze);
    final long start = ze.getDataOffset();
    // doesn't get closed if the method is not supported - which
    // should never happen because of the checkRequestedFeatures
    // call above
    final InputStream is = // NOSONAR
    new BufferedInputStream(createBoundedInputStream(start, ze.getCompressedSize()));
    switch(ZipMethod.getMethodByCode(ze.getMethod())) {
        case STORED:
            return is;
        case UNSHRINKING:
            return new UnshrinkingInputStream(is);
        case IMPLODING:
            return new ExplodingInputStream(ze.getGeneralPurposeBit().getSlidingDictionarySize(), ze.getGeneralPurposeBit().getNumberOfShannonFanoTrees(), is);
        case DEFLATED:
            final Inflater inflater = new Inflater(true);
            // https://docs.oracle.com/javase/7/docs/api/java/util/zip/Inflater.html#Inflater(boolean)
            return new InflaterInputStream(new SequenceInputStream(is, new ByteArrayInputStream(ONE_ZERO_BYTE)), inflater) {

                @Override
                public void close() throws IOException {
                    try {
                        super.close();
                    } finally {
                        inflater.end();
                    }
                }
            };
        case BZIP2:
            return new BZip2CompressorInputStream(is);
        case ENHANCED_DEFLATED:
            return new Deflate64CompressorInputStream(is);
        case AES_ENCRYPTED:
        case EXPANDING_LEVEL_1:
        case EXPANDING_LEVEL_2:
        case EXPANDING_LEVEL_3:
        case EXPANDING_LEVEL_4:
        case JPEG:
        case LZMA:
        case PKWARE_IMPLODING:
        case PPMD:
        case TOKENIZATION:
        case UNKNOWN:
        case WAVPACK:
        case XZ:
        default:
            throw new ZipException("Found unsupported compression method " + ze.getMethod());
    }
}

Example 58 with InflaterInputStream

use of java.util.zip.InflaterInputStream in project tez by apache.

the class TezUtils method createConfFromByteString.

/**
 * Convert a byte string to a Configuration object
 *
 * @param byteString byteString representation of the conf created using {@link
 *                   #createByteStringFromConf(org.apache.hadoop.conf.Configuration)}
 * @return Configuration
 * @throws java.io.IOException
 */
public static Configuration createConfFromByteString(ByteString byteString) throws IOException {
    Preconditions.checkNotNull(byteString, "ByteString must be specified");
    // SnappyInputStream uncompressIs = new
    // SnappyInputStream(byteString.newInput());
    InflaterInputStream uncompressIs = new InflaterInputStream(byteString.newInput());
    DAGProtos.ConfigurationProto confProto = DAGProtos.ConfigurationProto.parseFrom(uncompressIs);
    Configuration conf = new Configuration(false);
    readConfFromPB(confProto, conf);
    return conf;
}

Example 59 with InflaterInputStream

use of java.util.zip.InflaterInputStream in project activemq-artemis by apache.

the class OpenWireMessageConverter method writeCompressedObjectType.

private static ByteSequence writeCompressedObjectType(final ByteSequence contents) throws IOException {
    try (InputStream ois = new InflaterInputStream(new ByteArrayInputStream(contents));
        org.apache.activemq.util.ByteArrayOutputStream decompressed = new org.apache.activemq.util.ByteArrayOutputStream()) {
        byte[] buf = new byte[1024];
        int n = ois.read(buf);
        while (n != -1) {
            decompressed.write(buf, 0, n);
            n = ois.read();
        }
        // read done
        return decompressed.toByteSequence();
    }
}

Example 60 with InflaterInputStream

use of java.util.zip.InflaterInputStream in project activemq-artemis by apache.

the class OpenWireMessageConverter method writeMapType.

private static void writeMapType(final ByteSequence contents, final boolean messageCompressed, final ActiveMQBuffer body) throws IOException {
    InputStream mis = new ByteArrayInputStream(contents);
    if (messageCompressed) {
        mis = new InflaterInputStream(mis);
    }
    DataInputStream mdataIn = new DataInputStream(mis);
    Map<String, Object> map = MarshallingSupport.unmarshalPrimitiveMap(mdataIn);
    mdataIn.close();
    TypedProperties props = new TypedProperties();
    loadMapIntoProperties(props, map);
    props.encode(body.byteBuf());
}