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

Example 96 with Inflater

use of java.util.zip.Inflater in project geode by apache.

the class CliUtil method uncompressBytes.

public static DeflaterInflaterData uncompressBytes(byte[] output, int compressedDataLength) throws DataFormatException {
    Inflater decompresser = new Inflater();
    decompresser.setInput(output, 0, compressedDataLength);
    byte[] buffer = new byte[512];
    byte[] result = new byte[0];
    int bytesRead;
    while (!decompresser.needsInput()) {
        bytesRead = decompresser.inflate(buffer);
        byte[] newResult = new byte[result.length + bytesRead];
        System.arraycopy(result, 0, newResult, 0, result.length);
        System.arraycopy(buffer, 0, newResult, result.length, bytesRead);
        result = newResult;
    }
    // System.out.println(new String(result));
    decompresser.end();
    return new DeflaterInflaterData(result.length, result);
}

Example 97 with Inflater

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

the class Utils method decompress.

private static byte[] decompress(byte[] compressedData, int length) {
    Inflater inflater = new Inflater();
    inflater.setInput(compressedData, 0, length);
    ByteArrayOutputStream bos = new ByteArrayOutputStream(length);
    byte[] buf = new byte[8192];
    while (!inflater.finished()) {
        try {
            int count = inflater.inflate(buf);
            bos.write(buf, 0, count);
        } catch (DataFormatException e) {
            e.printStackTrace();
            throw new RuntimeException(e);
        }
    }
    try {
        bos.close();
    } catch (IOException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
    }
    return bos.toByteArray();
}

Example 98 with Inflater

use of java.util.zip.Inflater in project gatk by broadinstitute.

the class IntelInflaterDeflaterIntegrationTest method deflateInflateWithIntel.

@Test
public void deflateInflateWithIntel() throws DataFormatException {
    if (!isIntelInflaterDeflaterSupported()) {
        throw new SkipException("IntelInflater/IntelDeflater not available on this platform");
    }
    // create buffers and random input
    final int LEN = 64 * 1024;
    final byte[] input = new RandomDNA().nextBases(LEN);
    final byte[] compressed = new byte[2 * LEN];
    final byte[] result = new byte[LEN];
    final IntelInflaterFactory intelInflaterFactory = new IntelInflaterFactory();
    final IntelDeflaterFactory intelDeflaterFactory = new IntelDeflaterFactory();
    Assert.assertTrue(intelInflaterFactory.usingIntelInflater());
    Assert.assertTrue(intelDeflaterFactory.usingIntelDeflater());
    for (int i = 0; i < 10; i++) {
        // create deflater with compression level i
        final Deflater deflater = intelDeflaterFactory.makeDeflater(i, true);
        // setup deflater
        deflater.setInput(input);
        deflater.finish();
        // compress data
        int compressedBytes = 0;
        // so this loop should always finish in one iteration
        while (!deflater.finished()) {
            compressedBytes = deflater.deflate(compressed, 0, compressed.length);
        }
        deflater.end();
        // decompress and check output == input
        Inflater inflater = intelInflaterFactory.makeInflater(true);
        inflater.setInput(compressed, 0, compressedBytes);
        inflater.inflate(result);
        inflater.end();
        Assert.assertEquals(input, result);
        // clear compressed and result buffers for next iteration
        Arrays.fill(compressed, (byte) 0);
        Arrays.fill(result, (byte) 0);
    }
}

Example 99 with Inflater

use of java.util.zip.Inflater in project android_frameworks_base by crdroidandroid.

the class StrictJarFile method getZipInputStream.

private InputStream getZipInputStream(ZipEntry ze) {
    if (ze.getMethod() == ZipEntry.STORED) {
        return new RAFStream(raf, ze.getDataOffset(), ze.getDataOffset() + ze.getSize());
    } else {
        final RAFStream wrapped = new RAFStream(raf, ze.getDataOffset(), ze.getDataOffset() + ze.getCompressedSize());
        int bufSize = Math.max(1024, (int) Math.min(ze.getSize(), 65535L));
        return new ZipInflaterInputStream(wrapped, new Inflater(true), bufSize, ze);
    }
}