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

Example 46 with Inflater

use of java.util.zip.Inflater in project intellij-plugins by JetBrains.

the class SwfTranscoder method readSource.

// in will be closed
protected void readSource(InputStream in, long inputLength) throws IOException {
    final int uncompressedBodyLength;
    final boolean compressed;
    byte[] data;
    try {
        int n = in.read(partialHeader);
        assert n == PARTIAL_HEADER_LENGTH;
        uncompressedBodyLength = (partialHeader[4] & 0xFF | (partialHeader[5] & 0xFF) << 8 | (partialHeader[6] & 0xFF) << 16 | partialHeader[7] << 24) - PARTIAL_HEADER_LENGTH;
        compressed = partialHeader[0] == 0x43;
        data = FileUtil.loadBytes(in, compressed ? (int) inputLength - PARTIAL_HEADER_LENGTH : uncompressedBodyLength);
    } finally {
        in.close();
    }
    if (compressed) {
        final Inflater inflater = INFLATER.get();
        try {
            inflater.setInput(data);
            byte[] uncompressedData = new byte[uncompressedBodyLength];
            try {
                inflater.inflate(uncompressedData);
            } catch (DataFormatException e) {
                throw new ZipException(e.getMessage() != null ? e.getMessage() : "Invalid ZLIB data format");
            }
            data = uncompressedData;
        } finally {
            inflater.reset();
        }
    }
    buffer = ByteBuffer.wrap(data).order(ByteOrder.LITTLE_ENDIAN);
    readFrameSizeFrameRateAndFrameCount(data[0]);
}

Example 47 with Inflater

use of java.util.zip.Inflater in project ddf by codice.

the class RestSecurity method inflateBase64.

public static String inflateBase64(String base64EncodedValue) throws IOException {
    byte[] deflatedValue = Base64.getMimeDecoder().decode(base64EncodedValue);
    InputStream is = new InflaterInputStream(new ByteArrayInputStream(deflatedValue), new Inflater(GZIP_COMPATIBLE));
    return IOUtils.toString(is, StandardCharsets.UTF_8.name());
}

Example 48 with Inflater

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

the class CompressedArray method decompress.

/**
 * Decompress the byte array previously returned by compress
 */
public static byte[] decompress(byte[] value) throws DataFormatException {
    // Create an expandable byte array to hold the decompressed data
    ByteArrayOutputStream bos = new ByteArrayOutputStream(value.length);
    Inflater decompressor = new Inflater();
    try {
        decompressor.setInput(value);
        final byte[] buf = new byte[1024];
        while (!decompressor.finished()) {
            int count = decompressor.inflate(buf);
            bos.write(buf, 0, count);
        }
    } finally {
        decompressor.end();
    }
    return bos.toByteArray();
}

Example 49 with Inflater

use of java.util.zip.Inflater in project inbot-utils by Inbot.

the class CompressionUtils method decompress.

public static byte[] decompress(byte[] compressed) {
    Inflater inflater = new Inflater();
    inflater.setInput(compressed);
    ByteArrayOutputStream bos = new ByteArrayOutputStream(compressed.length);
    // Compress the data
    byte[] buf = new byte[1024];
    try {
        while (!inflater.finished()) {
            int count = inflater.inflate(buf);
            bos.write(buf, 0, count);
        }
        bos.close();
    } catch (IOException e) {
        throw new IllegalArgumentException("could not decompress");
    } catch (DataFormatException e) {
        throw new IllegalArgumentException("could not decompress");
    }
    return bos.toByteArray();
}

Example 50 with Inflater

use of java.util.zip.Inflater in project JGroups by belaban.

the class COMPRESS method uncompress.

/**
 * Returns a new message as a result of uncompressing msg, or null if msg couldn't be uncompressed
 */
protected Message uncompress(Message msg, int original_size) {
    byte[] compressed_payload = msg.getRawBuffer();
    if (compressed_payload != null && compressed_payload.length > 0) {
        byte[] uncompressed_payload = new byte[original_size];
        Inflater inflater = null;
        try {
            inflater = inflater_pool.take();
            inflater.reset();
            inflater.setInput(compressed_payload, msg.getOffset(), msg.getLength());
            try {
                inflater.inflate(uncompressed_payload);
                // we need to copy: https://jira.jboss.org/jira/browse/JGRP-867
                return msg.copy(false).setBuffer(uncompressed_payload);
            } catch (DataFormatException e) {
                log.error(Util.getMessage("CompressionFailure"), e);
            }
        } catch (InterruptedException e) {
            // set the interrupt bit again, so caller can handle it
            Thread.currentThread().interrupt();
        } finally {
            if (inflater != null)
                inflater_pool.offer(inflater);
        }
    }
    return null;
}