Example usage for java.util.zip Inflater Inflater

Introduction

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

Prototype

public Inflater() 

Source Link

Document

Creates a new decompressor.

Usage

From source file:com.atlassian.extras.decoder.v2.Version2LicenseDecoder.java

private Reader unzipText(byte[] licenseText) {
    ByteArrayInputStream in = new ByteArrayInputStream(licenseText);
    in.skip(LICENSE_PREFIX.length);//from  w w w .  ja  v  a 2 s.  co  m
    InflaterInputStream zipIn = new InflaterInputStream(in, new Inflater());
    try {
        return new InputStreamReader(zipIn, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        throw new LicenseException(e);
    }
}

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From source file:org.apache.fop.render.ps.ImageEncoderPNG.java

/** {@inheritDoc} */
public void writeTo(OutputStream out) throws IOException {
    // TODO: refactor this code with equivalent PDF code
    InputStream in = ((ImageRawStream) image).createInputStream();
    try {//from  ww w.j ava2s.c  o m
        if (numberOfInterleavedComponents == 1 || numberOfInterleavedComponents == 3) {
            // means we have Gray, RGB, or Palette
            IOUtils.copy(in, out);
        } else {
            // means we have Gray + alpha or RGB + alpha
            int numBytes = numberOfInterleavedComponents - 1; // 1 for Gray, 3 for RGB
            int numColumns = image.getSize().getWidthPx();
            InflaterInputStream infStream = new InflaterInputStream(in, new Inflater());
            DataInputStream dataStream = new DataInputStream(infStream);
            int offset = 0;
            int bytesPerRow = numberOfInterleavedComponents * numColumns;
            int filter;
            // here we need to inflate the PNG pixel data, which includes alpha, separate the alpha
            // channel and then deflate the RGB channels back again
            // TODO: not using the baos below and using the original out instead (as happens in PDF)
            // would be preferable but that does not work with the rest of the postscript code; this
            // needs to be revisited
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            DeflaterOutputStream dos = new DeflaterOutputStream(/* out */baos, new Deflater());
            while ((filter = dataStream.read()) != -1) {
                byte[] bytes = new byte[bytesPerRow];
                dataStream.readFully(bytes, 0, bytesPerRow);
                dos.write((byte) filter);
                for (int j = 0; j < numColumns; j++) {
                    dos.write(bytes, offset, numBytes);
                    offset += numberOfInterleavedComponents;
                }
                offset = 0;
            }
            dos.close();
            IOUtils.copy(new ByteArrayInputStream(baos.toByteArray()), out);
        }
    } finally {
        IOUtils.closeQuietly(in);
    }
}

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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  ww w .j  a  v  a  2 s  .  com
    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();
}

---

From source file:io.gomint.server.network.packet.PacketLogin.java

@Override
public void deserialize(PacketBuffer buffer) {
    this.protocol = buffer.readInt();

    // Decompress inner data (i don't know why you compress inside of a Batched Packet but hey)
    byte[] compressed = new byte[buffer.readInt()];
    buffer.readBytes(compressed);/*from  w ww .  j a va 2s.co m*/

    Inflater inflater = new Inflater();
    inflater.setInput(compressed);

    ByteArrayOutputStream bout = new ByteArrayOutputStream();

    try {
        byte[] comBuffer = new byte[1024];
        while (!inflater.finished()) {
            int read = inflater.inflate(comBuffer);
            bout.write(comBuffer, 0, read);
        }
    } catch (DataFormatException e) {
        System.out.println("Failed to decompress batch packet" + e);
        return;
    }

    // More data please
    ByteBuffer byteBuffer = ByteBuffer.wrap(bout.toByteArray());
    byteBuffer.order(ByteOrder.LITTLE_ENDIAN);
    byte[] stringBuffer = new byte[byteBuffer.getInt()];
    byteBuffer.get(stringBuffer);

    // Decode the json stuff
    try {
        JSONObject jsonObject = (JSONObject) new JSONParser().parse(new String(stringBuffer));
        JSONArray chainArray = (JSONArray) jsonObject.get("chain");
        if (chainArray != null) {
            this.validationKey = parseBae64JSON((String) chainArray.get(chainArray.size() - 1)); // First key in chain is last response in chain #brainfuck :D
            for (Object chainObj : chainArray) {
                decodeBase64JSON((String) chainObj);
            }
        }
    } catch (ParseException e) {
        e.printStackTrace();
    }

    // Skin comes next
    this.skin = new byte[byteBuffer.getInt()];
    byteBuffer.get(this.skin);
}

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

public void decompress() {
    if (compressed) {
        Inflater decompressor = new Inflater();
        decompressor.setInput(data);/*www.  j  ava  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();
    }
}

---

From source file:spartanfinal.ProcessFiles.java

public byte[] decompress(byte[] data) throws IOException, DataFormatException {
    Inflater inflater = new Inflater();
    inflater.setInput(data);//from   ww w  .  j a  v  a2 s  .c  o  m
    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;
}

---

From source file:com.vimukti.accounter.license.LicenseManager.java

private Reader unzipText(byte[] licenseText) {
    ByteArrayInputStream in = new ByteArrayInputStream(licenseText);
    InflaterInputStream zipIn = new InflaterInputStream(in, new Inflater());
    try {//from w  w w . j  a va  2s .co m
        return new InputStreamReader(zipIn, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        throw new LicenseException(e);
    }

}

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From source file:radixcore.network.ByteBufIO.java

/**
 * Decompresses a compressed byte array.
 * //from   www .j  a  va2s  .com
 * @param input The byte array to be decompressed.
 * @return The byte array in its decompressed, readable form.
 */
public static byte[] decompress(byte[] input) {
    try {
        final Inflater inflater = new Inflater();
        final ByteArrayOutputStream byteOutput = new ByteArrayOutputStream(input.length);
        final byte[] buffer = new byte[1024];
        inflater.setInput(input);

        while (!inflater.finished()) {
            final int count = inflater.inflate(buffer);
            byteOutput.write(buffer, 0, count);
        }

        inflater.end();
        byteOutput.close();
        return byteOutput.toByteArray();
    }

    catch (final DataFormatException e) {
        RadixExcept.logFatalCatch(e, "Error decompressing byte array.");
        return null;
    }

    catch (final IOException e) {
        RadixExcept.logFatalCatch(e, "Error decompressing byte array.");
        return null;
    }
}

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From source file:org.jahia.utils.Url.java

/**
 * Decode facet filter URL parameter/*from   w ww .  j a v a 2  s  .com*/
 * @param inputString enocded facet filter URL query parameter
 * @return decoded facet filter parameter
 */
public static String decodeUrlParam(String inputString) {
    if (StringUtils.isEmpty(inputString)) {
        return inputString;
    }
    byte[] input = Base64.decodeBase64(inputString);
    // Decompress the bytes
    Inflater decompresser = new Inflater();
    decompresser.setInput(input, 0, input.length);
    byte[] result = new byte[2048];
    String outputString = "";
    try {
        int resultlength = decompresser.inflate(result);
        decompresser.end();
        outputString = new String(result, 0, resultlength, "UTF-8");
    } catch (DataFormatException e) {
        logger.warn("Not able to decode facet URL: " + inputString, e);
    } catch (UnsupportedEncodingException e) {
        logger.warn("Not able to decode facet URL: " + inputString, e);
    }
    return outputString;
}

---

From source file:Decoder.java

private Reader unzipText(byte[] licenseText) throws Exception {
    ByteArrayInputStream in = new ByteArrayInputStream(licenseText);
    in.skip(LICENSE_PREFIX.length);/*from  ww  w.ja  v  a 2  s  .c  o m*/
    InflaterInputStream zipIn = new InflaterInputStream(in, new Inflater());
    try {
        return new InputStreamReader(zipIn, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        throw new Exception(e);
    }
}

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