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

Example 6 with Inflater

use of java.util.zip.Inflater in project Notes by MiCode.

the class GTaskClient method getResponseContent.

private String getResponseContent(HttpEntity entity) throws IOException {
    String contentEncoding = null;
    if (entity.getContentEncoding() != null) {
        contentEncoding = entity.getContentEncoding().getValue();
        Log.d(TAG, "encoding: " + contentEncoding);
    }
    InputStream input = entity.getContent();
    if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
        input = new GZIPInputStream(entity.getContent());
    } else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
        Inflater inflater = new Inflater(true);
        input = new InflaterInputStream(entity.getContent(), inflater);
    }
    try {
        InputStreamReader isr = new InputStreamReader(input);
        BufferedReader br = new BufferedReader(isr);
        StringBuilder sb = new StringBuilder();
        while (true) {
            String buff = br.readLine();
            if (buff == null) {
                return sb.toString();
            }
            sb = sb.append(buff);
        }
    } finally {
        input.close();
    }
}

Example 7 with Inflater

use of java.util.zip.Inflater in project Mycat-Server by MyCATApache.

the class CompressUtil method decompress.

/**
	 * 适用于mysql与客户端交互时zlib解压
	 *
	 * @param data  数据
	 * @param off   偏移量
	 * @param len   长度
	 * @return
	 */
public static byte[] decompress(byte[] data, int off, int len) {
    byte[] output = null;
    Inflater decompresser = new Inflater();
    decompresser.reset();
    decompresser.setInput(data, off, len);
    ByteArrayOutputStream out = new ByteArrayOutputStream(data.length);
    try {
        byte[] result = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(result);
            out.write(result, 0, i);
        }
        output = out.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        try {
            out.close();
        } catch (Exception e) {
        }
        decompresser.end();
    }
    return output;
}

Example 8 with Inflater

use of java.util.zip.Inflater in project phonegap-facebook-plugin by Wizcorp.

the class SpdyReader method newNameValueBlockStream.

private DataInputStream newNameValueBlockStream() {
    // Limit the inflater input stream to only those bytes in the Name/Value block.
    final InputStream throttleStream = new InputStream() {

        @Override
        public int read() throws IOException {
            return Util.readSingleByte(this);
        }

        @Override
        public int read(byte[] buffer, int offset, int byteCount) throws IOException {
            byteCount = Math.min(byteCount, compressedLimit);
            int consumed = in.read(buffer, offset, byteCount);
            compressedLimit -= consumed;
            return consumed;
        }

        @Override
        public void close() throws IOException {
            in.close();
        }
    };
    // Subclass inflater to install a dictionary when it's needed.
    Inflater inflater = new Inflater() {

        @Override
        public int inflate(byte[] buffer, int offset, int count) throws DataFormatException {
            int result = super.inflate(buffer, offset, count);
            if (result == 0 && needsDictionary()) {
                setDictionary(DICTIONARY);
                result = super.inflate(buffer, offset, count);
            }
            return result;
        }
    };
    return new DataInputStream(new InflaterInputStream(throttleStream, inflater));
}

Example 9 with Inflater

use of java.util.zip.Inflater in project mapdb by jankotek.

the class SerializerCompressionDeflateWrapper method deserialize.

@Override
public E deserialize(DataInput2 in, int available) throws IOException {
    final int unpackedSize = in.unpackInt() - 1;
    if (unpackedSize == -1) {
        //was not compressed
        return serializer.deserialize(in, available > 0 ? available - 1 : available);
    }
    Inflater inflater = new Inflater();
    if (dictionary != null) {
        inflater.setDictionary(dictionary);
    }
    InflaterInputStream in4 = new InflaterInputStream(new DataInput2.DataInputToStream(in), inflater);
    byte[] unpacked = new byte[unpackedSize];
    in4.read(unpacked, 0, unpackedSize);
    DataInput2.ByteArray in2 = new DataInput2.ByteArray(unpacked);
    E ret = serializer.deserialize(in2, unpackedSize);
    if (CC.ASSERT && !(in2.pos == unpackedSize))
        throw new DBException.DataCorruption("data were not fully read");
    return ret;
}

Example 10 with Inflater

use of java.util.zip.Inflater in project jersey by jersey.

the class DeflateEncoder method decode.

@Override
public InputStream decode(String contentEncoding, InputStream encodedStream) throws IOException {
    // correct impl. should wrap deflate in zlib, but some don't do it - have to identify, which one we got
    InputStream markSupportingStream = encodedStream.markSupported() ? encodedStream : new BufferedInputStream(encodedStream);
    markSupportingStream.mark(1);
    // read the first byte
    int firstByte = markSupportingStream.read();
    markSupportingStream.reset();
    // that should never be the case if no zlib wrapper
    if ((firstByte & 15) == 8) {
        // ok, zlib wrapped stream
        return new InflaterInputStream(markSupportingStream);
    } else {
        // no zlib wrapper
        return new InflaterInputStream(markSupportingStream, new Inflater(true));
    }
}