Example usage for java.util.zip Inflater finished

Introduction

In this page you can find the example usage for java.util.zip Inflater finished.

Prototype

boolean finished

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Usage

From source file:aarddict.Volume.java

static String decompressZlib(byte[] bytes) throws IOException, DataFormatException {
    Inflater decompressor = new Inflater();
    decompressor.setInput(bytes);//w ww  .  j a v  a  2s.c  o  m
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    try {
        byte[] buf = new byte[1024];
        while (!decompressor.finished()) {
            int count = decompressor.inflate(buf);
            out.write(buf, 0, count);
        }
    } finally {
        out.close();
    }
    return utf8(out.toByteArray());
}

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From source file:com.bigdata.dastor.utils.FBUtilities.java

public static byte[] decompress(byte[] compressedData, int off, int len)
        throws IOException, DataFormatException {
    // Create the decompressor and give it the data to compress
    Inflater decompressor = new Inflater();
    decompressor.setInput(compressedData, off, len);

    // Create an expandable byte array to hold the decompressed data
    ByteArrayOutputStream bos = new ByteArrayOutputStream(compressedData.length);

    // Decompress the data
    byte[] buf = new byte[1024];
    while (!decompressor.finished()) {
        int count = decompressor.inflate(buf);
        bos.write(buf, 0, count);//from w w w  .  ja  v  a 2  s  . c  o  m
    }
    bos.close();

    // Get the decompressed data
    return bos.toByteArray();
}

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From source file:com.kactech.otj.Utils.java

public static byte[] zlibDecompress(byte[] data) throws IOException, DataFormatException {
    Inflater inflater = new Inflater(false);

    inflater.setInput(data);//from   w  w w .  j a v a2 s  . com

    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(data.length);
    byte[] buffer = new byte[1024];
    while (!inflater.finished()) {
        int count = inflater.inflate(buffer);
        if (count == 0)
            throw new DataFormatException("probably bad, has infinite loop at encoded message");
        outputStream.write(buffer, 0, count);
    }
    outputStream.close();
    byte[] output = outputStream.toByteArray();

    return output;
}

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From source file:org.wso2.carbon.identity.saml.inbound.util.SAMLSSOUtil.java

/**
 * Decoding and deflating the encoded AuthReq
 *
 * @param encodedStr encoded AuthReq//from  w w w .j  av a 2  s .com
 * @return decoded AuthReq
 */
public static String decode(String encodedStr) throws IdentityException {
    try {
        org.apache.commons.codec.binary.Base64 base64Decoder = new org.apache.commons.codec.binary.Base64();
        byte[] xmlBytes = encodedStr.getBytes(StandardCharsets.UTF_8.name());
        byte[] base64DecodedByteArray = base64Decoder.decode(xmlBytes);

        try {
            Inflater inflater = new Inflater(true);
            inflater.setInput(base64DecodedByteArray);
            byte[] xmlMessageBytes = new byte[5000];
            int resultLength = inflater.inflate(xmlMessageBytes);

            if (!inflater.finished()) {
                throw new RuntimeException("End of the compressed data stream has NOT been reached");
            }

            inflater.end();
            String decodedString = new String(xmlMessageBytes, 0, resultLength, StandardCharsets.UTF_8.name());
            if (log.isDebugEnabled()) {
                log.debug("Request message " + decodedString);
            }
            return decodedString;

        } catch (DataFormatException e) {
            ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(base64DecodedByteArray);
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            InflaterInputStream iis = new InflaterInputStream(byteArrayInputStream);
            byte[] buf = new byte[1024];
            int count = iis.read(buf);
            while (count != -1) {
                byteArrayOutputStream.write(buf, 0, count);
                count = iis.read(buf);
            }
            iis.close();
            String decodedStr = new String(byteArrayOutputStream.toByteArray(), StandardCharsets.UTF_8);
            if (log.isDebugEnabled()) {
                log.debug("Request message " + decodedStr, e);
            }
            return decodedStr;
        }
    } catch (IOException e) {
        throw IdentityException.error("Error when decoding the SAML Request.", e);
    }

}

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From source file:acp.sdk.SecureUtil.java

/**
 * ./*from www  . ja  va2s  .c o m*/
 * 
 * @param inputByte
 *            byte[]?
 * @return ??
 * @throws IOException
 */
public static byte[] inflater(final byte[] inputByte) throws IOException {
    int compressedDataLength = 0;
    Inflater compresser = new Inflater(false);
    compresser.setInput(inputByte, 0, inputByte.length);
    ByteArrayOutputStream o = new ByteArrayOutputStream(inputByte.length);
    byte[] result = new byte[1024];
    try {
        while (!compresser.finished()) {
            compressedDataLength = compresser.inflate(result);
            if (compressedDataLength == 0) {
                break;
            }
            o.write(result, 0, compressedDataLength);
        }
    } catch (Exception ex) {
        System.err.println("Data format error!\n");
        ex.printStackTrace();
    } finally {
        o.close();
    }
    compresser.end();
    return o.toByteArray();
}

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From source file:nl.nn.adapterframework.util.Misc.java

public static byte[] decompress(byte[] input) throws DataFormatException, IOException {
    // Create the decompressor and give it the data to compress
    Inflater decompressor = new Inflater();
    decompressor.setInput(input);//  w  w w.  j  av a 2  s.  c om

    // Create an expandable byte array to hold the decompressed data
    ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length);

    // Decompress the data
    byte[] buf = new byte[1024];
    while (!decompressor.finished()) {
        int count = decompressor.inflate(buf);
        bos.write(buf, 0, count);
    }
    bos.close();

    // Get the decompressed data
    return bos.toByteArray();
}

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From source file:org.openteufel.file.mpq.MPQFileSector.java

public int getDecompressed(ByteBuffer out) throws DataFormatException, IOException {
    // If the file is encrypted, each sector (after compression/implosion, if applicable) is encrypted with the file's key.
    // Each sector is encrypted using the key + the 0-based index of the sector in the file.
    // NOTE compression type byte (if existing) is encrypted as well!
    ByteBuffer dataDecrypted;//from   w  w  w  .ja v  a  2s.  c  o m
    if (this.encryptionSeed != null)
        dataDecrypted = MPQEncryptionUtils.decrypt(dataRaw, encryptionSeed);
    else
        dataDecrypted = dataRaw;
    dataDecrypted.rewind();

    switch (compression) {
    case Uncompressed: {
        out.put(dataDecrypted);
        return dataDecrypted.capacity();
    }
    case Imploded: {
        byte[] buf = new byte[sizeUncompressed];
        int numDecompressed = Exploder.pkexplode(dataDecrypted.array(), buf);
        if (numDecompressed != this.sizeUncompressed)
            throw new IllegalStateException();
        out.put(buf, 0, sizeUncompressed);
        return sizeUncompressed;
    }
    case ZLib: {
        int numDecompressed = 0;
        byte[] buf = new byte[1024];
        Inflater inflater = new Inflater();
        inflater.setInput(dataDecrypted.array());
        while (!inflater.finished()) {
            int decompressedBytes = inflater.inflate(buf);
            numDecompressed += decompressedBytes;
            out.put(buf, 0, decompressedBytes);
        }
        inflater.end();
        if (numDecompressed != this.sizeUncompressed)
            throw new IllegalStateException();
        return numDecompressed;
    }
    case BZip2: {
        int numDecompressed = 0;
        byte[] buf = new byte[1024];
        InputStream inputStream = new ByteArrayInputStream(dataDecrypted.array());
        BZip2CompressorInputStream uncompressStream = new BZip2CompressorInputStream(inputStream);
        while (true) {
            int decompressedBytes = uncompressStream.read(buf);
            if (decompressedBytes < 0)
                break;
            numDecompressed += decompressedBytes;
            out.put(buf, 0, decompressedBytes);
        }
        uncompressStream.close();
        inputStream.close();
        if (numDecompressed != sizeUncompressed)
            throw new IllegalStateException();
        return numDecompressed;
    }
    default:
        throw new IllegalStateException("Unknown Compression");
    }
}

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From source file:org.hyperic.hq.livedata.agent.commands.LiveData_result.java

private String decompress(String s) throws IOException, DataFormatException {
    Inflater decompressor = new Inflater();
    decompressor.setInput(Base64.decode(s));

    ByteArrayOutputStream bos = new ByteArrayOutputStream();

    byte[] buf = new byte[1024];
    while (!decompressor.finished()) {
        int count = decompressor.inflate(buf);
        bos.write(buf, 0, count);/*from   w  ww.j av  a  2s.  c  o  m*/
    }

    bos.close();

    byte[] decompressedData = bos.toByteArray();
    return new String(decompressedData, 0, decompressedData.length, "UTF-8");
}

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From source file:org.getspout.spoutapi.packet.PacketSendPrecache.java

public void decompress() {
    if (compressed) {
        Inflater decompressor = new Inflater();
        decompressor.setInput(fileData);
        ByteArrayOutputStream bos = new ByteArrayOutputStream(fileData.length);
        byte[] buf = new byte[1024];
        while (!decompressor.finished()) {
            try {
                int count = decompressor.inflate(buf);
                bos.write(buf, 0, count);
            } catch (DataFormatException e) {
            }/*  www  . j  a v a  2 s.c o m*/
        }
        try {
            bos.close();
        } catch (IOException e) {
        }
        fileData = bos.toByteArray();
    }
}

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From source file:org.getspout.spout.packet.PacketCustomMultiBlockOverride.java

public void decompress() {
    if (compressed) {
        Inflater decompressor = new Inflater();
        decompressor.setInput(data);/*ww  w .ja v a 2s  . c o m*/

        ByteArrayOutputStream bos = new ByteArrayOutputStream(data.length);

        byte[] buf = new byte[1024];
        while (!decompressor.finished()) {
            try {
                int count = decompressor.inflate(buf);
                bos.write(buf, 0, count);
            } catch (DataFormatException e) {

            }
        }
        try {
            bos.close();
        } catch (IOException e) {

        }
        compressed = false;
        data = bos.toByteArray();
    }
}

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