Example usage for java.util.zip Inflater inflate

Introduction

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

Prototype

public int inflate(ByteBuffer output) throws DataFormatException 

Source Link

Document

Uncompresses bytes into specified buffer.

Usage

From source file:spartanfinal.ProcessFiles.java

public byte[] decompress(byte[] data) throws IOException, DataFormatException {
    Inflater inflater = new Inflater();
    inflater.setInput(data);//from   w ww  . ja  v a2 s.  c om
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(data.length);
    byte[] buffer = new byte[1024];
    while (!inflater.finished()) {
        int count = inflater.inflate(buffer);
        outputStream.write(buffer, 0, count);

    }
    outputStream.close();
    byte[] output = outputStream.toByteArray();

    return output;
}

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

@Override
public void decompress() {
    if (compressed) {
        Inflater decompressor = new Inflater();
        decompressor.setInput(data);//from w  w  w.j a v  a  2 s  . com

        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) {
        }

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

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From source file:org.getspout.spout.packet.PacketCacheFile.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) {

            }//from  w w  w .ja  v  a  2  s  . c om
        }
        try {
            bos.close();
        } catch (IOException e) {

        }

        fileData = bos.toByteArray();
    }
}

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From source file:Comman.Tool.java

public byte[] Image_decompress(final byte[] data) {
    if (data == null || data.length == 0) {
        return new byte[0];
    }/*from  w  w w .j av  a 2s.  co  m*/

    final Inflater inflater = new Inflater();
    inflater.setInput(data);

    try (final ByteArrayOutputStream out = new ByteArrayOutputStream(data.length)) {
        final byte[] buffer = new byte[1024];
        while (!inflater.finished()) {
            out.write(buffer, 0, inflater.inflate(buffer));
        }

        return out.toByteArray();
    } catch (final IOException | DataFormatException e) {
        System.err.println("Decompression failed! Returning the compressed data...");
        return data;
    }
}

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

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

        }

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

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From source file:org.jmangos.realm.network.packet.wow.client.CMSG_AUTH_SESSION.java

@Override
protected void readImpl() throws BufferUnderflowException, RuntimeException {

    this.ClientBuild = readD();
    skip(4);/*from  w  w w  .j ava  2s  . c  o m*/
    this.accountName = readS();
    skip(4);
    this.clientSeed = readB(4);
    skip(20);
    this.digest = readB(20);

    if (getAvaliableBytes() < 4) {
        return;
    }

    final int UncopressedSize = readD();
    final byte[] compressedData = readB(getAvaliableBytes());
    final Inflater decompressor = new Inflater();
    decompressor.setInput(compressedData);

    final ByteArrayOutputStream bos = new ByteArrayOutputStream(compressedData.length);

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

    final byte[] decompressedData = bos.toByteArray();
    if (UncopressedSize != decompressedData.length) {
        logger.warn("Somesing wrong with compressed addonInfo");
        return;
    }
    final ChannelBuffer addonInfo = ChannelBuffers.wrappedBuffer(ByteOrder.LITTLE_ENDIAN, decompressedData);

    final int addonsCount = addonInfo.readInt();

    this.addonLists = new ArrayList<AddonInfo>(addonsCount);
    for (int i = 0; i < addonsCount; i++) {
        final TextBuilder tb = TextBuilder.newInstance();
        for (byte c; (c = addonInfo.readByte()) != 0;) {
            tb.append((char) c);
        }
        final String addonName = tb.toString();
        TextBuilder.recycle(tb);
        final byte enabled = addonInfo.readByte();
        final int crc = addonInfo.readInt();
        /* int unk1 = */addonInfo.readInt();
        this.addonLists.add(new AddonInfo(addonName, enabled, crc));
    }

    /* int unk2 = */addonInfo.readInt();
}

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From source file:de.hofuniversity.iisys.neo4j.websock.query.encoding.safe.TSafeDeflateJsonQueryHandler.java

@Override
public boolean willDecode(ByteBuffer buff) {
    boolean valid = true;

    //TODO: actually check whether it's a query
    try {// ww w . j  a  va  2  s .  c  o m
        //decompress
        final Inflater inflater = new Inflater(true);
        inflater.setInput(buff.array());

        int read = 0;
        int totalSize = 0;
        final List<byte[]> buffers = new LinkedList<byte[]>();

        byte[] buffer = new byte[BUFFER_SIZE];
        read = inflater.inflate(buffer);
        while (read > 0) {
            totalSize += read;
            buffers.add(buffer);
            buffer = new byte[BUFFER_SIZE];
            read = inflater.inflate(buffer);
        }

        final byte[] data = fuse(buffers, totalSize).array();
        new JSONObject(new String(data));
    } catch (Exception e) {
        valid = false;
    }

    return valid;
}

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From source file:org.apache.qpid.multiconsumer.AMQTest.java

private String inflateString(String string) throws Exception {
    byte[] input = string.getBytes();

    // First convert Base64 string back to binary array
    byte[] bytes = Base64.decodeBase64(input);

    // Set string as input data for decompressor
    Inflater decompressor = new Inflater();
    decompressor.setInput(bytes);/*w  ww.  j  a v a 2 s  . com*/

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

    // Get the decompressed data
    return new String(output, UTF8);
}

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From source file:de.hofuniversity.iisys.neo4j.websock.query.encoding.safe.TSafeDeflateJsonQueryHandler.java

@Override
public WebsockQuery decode(ByteBuffer buff) throws DecodeException {
    WebsockQuery query = null;//from w  w  w  . j  a va  2s .c  o  m

    try {
        //decompress
        final byte[] incoming = buff.array();
        final Inflater inflater = new Inflater(true);
        inflater.setInput(incoming);

        int read = 0;
        int totalSize = 0;
        final List<byte[]> buffers = new LinkedList<byte[]>();

        final byte[] buffer = new byte[BUFFER_SIZE];
        read = inflater.inflate(buffer);
        while (read > 0) {
            totalSize += read;
            buffers.add(Arrays.copyOf(buffer, read));
            read = inflater.inflate(buffer);
        }

        final byte[] data = fuse(buffers, totalSize).array();
        final JSONObject obj = new JSONObject(new String(data));

        if (fDebug) {
            fTotalBytesIn += incoming.length;
            fLogger.log(Level.FINEST, "received compressed JSON message: " + incoming.length + " bytes\n"
                    + "total bytes received: " + fTotalBytesIn);
        }

        query = JsonConverter.fromJson(obj);
    } catch (Exception e) {
        e.printStackTrace();
        throw new DecodeException(buff, "failed to decode JSON", e);
    }

    return query;
}

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From source file:org.jwebsocket.util.Tools.java

/**
 * Inflate a byte array with Zip compression
 *
 * @param aCompressedData/* w w  w .java2  s .co m*/
 * @return
 * @throws Exception
 */
public static byte[] inflate(byte[] aCompressedData) throws Exception {
    Inflater lInflater = new Inflater();
    lInflater.setInput(aCompressedData);
    byte[] lOut = new byte[1024 * 1000 * 5];
    int lWritten = lInflater.inflate(lOut);
    byte[] lResult = new byte[lWritten];

    System.arraycopy(lOut, 0, lResult, 0, lWritten);

    return lResult;
}

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