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:org.javaweb.utils.IOUtils.java

/**
 * Inflater // ww  w  . j av  a  2 s .  c  o m
 *
 * @param data
 * @return
 * @throws DataFormatException
 */
public static byte[] decompressInflater(byte[] data) throws DataFormatException {
    Inflater inflater = new Inflater();
    inflater.setInput(data);
    ByteArrayOutputStream out = new ByteArrayOutputStream(data.length);
    byte[] buffer = new byte[2048];

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

    return out.toByteArray();
}

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From source file:Main.java

public static InputStream inflate(byte[] deflatedToken, boolean nowrap) throws DataFormatException {
    Inflater inflater = new Inflater(nowrap);
    inflater.setInput(deflatedToken);//from  ww  w.  j a  va  2 s .  c om

    byte[] input = new byte[deflatedToken.length * 2];
    int inflatedLen = 0;
    int inputLen = 0;
    byte[] inflatedToken = input;
    while (!inflater.finished()) {
        inputLen = inflater.inflate(input);
        if (!inflater.finished()) {

            if (inputLen == 0) {
                if (inflater.needsInput()) {
                    throw new DataFormatException("Inflater can not inflate all the token bytes");
                } else {
                    break;
                }
            }

            inflatedToken = new byte[input.length + inflatedLen];
            System.arraycopy(input, 0, inflatedToken, inflatedLen, inputLen);
            inflatedLen += inputLen;
        }
    }
    InputStream is = new ByteArrayInputStream(input, 0, inputLen);
    if (inflatedToken != input) {
        is = new SequenceInputStream(new ByteArrayInputStream(inflatedToken, 0, inflatedLen), is);
    }
    return is;
}

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From source file:Main.java

public static byte[] decompressZLIB(byte[] input) throws IOException {
    Inflater decompressor = new Inflater();
    decompressor.setInput(input);//  w w w. j  a v a2 s . c o m
    // 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()) {
        try {
            int count = decompressor.inflate(buf);
            bos.write(buf, 0, count);
        } catch (DataFormatException e) {
            throw new IOException(e.toString());
        }
    }
    bos.close();

    // Get the decompressed data
    byte[] decompressedData = bos.toByteArray();
    return decompressedData;
}

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From source file:org.odk.collect.android.utilities.CompressionUtils.java

public static String decompress(String compressedString) throws IOException, DataFormatException {
    if (compressedString == null || compressedString.length() == 0) {
        return compressedString;
    }//from ww w  .  j  a va2s. c om

    // Decode from base64
    byte[] output = Base64.decodeBase64(compressedString);

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

    // Decompresses the bytes
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(output.length);
    byte[] buffer = new byte[1024];
    while (!inflater.finished()) {
        int count = inflater.inflate(buffer);
        outputStream.write(buffer, 0, count);
    }
    outputStream.close();
    byte[] result = outputStream.toByteArray();

    // Decode the bytes into a String
    String outputString = new String(result, "UTF-8");
    Timber.i("Compressed : %d", output.length);
    Timber.i("Decompressed : %d", result.length);
    return outputString;

}

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From source file:com.predic8.membrane.core.util.ByteUtil.java

public static byte[] getDecompressedData(byte[] compressedData) throws IOException {
    Inflater decompressor = new Inflater(true);
    decompressor.setInput(compressedData);

    byte[] buf = new byte[1024];

    List<Chunk> chunks = new ArrayList<Chunk>();

    while (!decompressor.finished()) {
        int count;
        try {/*from   www  . j  a  v  a2  s . c  o m*/
            count = decompressor.inflate(buf);
        } catch (DataFormatException e) {
            throw new IOException(e);
        }
        if (buf.length == count) {
            Chunk chunk = new Chunk(buf);
            chunks.add(chunk);
        } else if (count < buf.length) {
            byte[] shortContent = new byte[count];
            for (int j = 0; j < count; j++) {
                shortContent[j] = buf[j];
            }
            Chunk chunk = new Chunk(shortContent);
            chunks.add(chunk);
        }
    }

    log.debug("Number of decompressed chunks: " + chunks.size());
    if (chunks.size() > 0) {

        ByteArrayOutputStream bos = new ByteArrayOutputStream();

        for (Chunk chunk : chunks) {
            chunk.write(bos);
        }

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

    return null;
}

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From source file:com.asual.lesscss.ResourcePackage.java

private static byte[] inflate(byte[] output) throws DataFormatException, IOException {
    Inflater inflater = new Inflater();
    inflater.setInput(output);//from w w w  .ja  v  a2 s. c o m
    ByteArrayOutputStream baos = new ByteArrayOutputStream(output.length);
    byte[] buf = new byte[1024];
    while (!inflater.finished()) {
        int count = inflater.inflate(buf);
        baos.write(buf, 0, count);
    }
    baos.close();
    return baos.toByteArray();
}

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From source file:org.wso2.identity.integration.test.requestPathAuthenticator.RequestPathAuthenticatorInvalidUserTestCase.java

/**
 * Decoding and deflating the encoded AuthReq
 *
 * @param encodedStr encoded AuthReq//from w  w w .ja va 2  s  .c  o  m
 * @return decoded AuthReq
 */
private static String decode(String encodedStr) {
    try {
        Base64 base64Decoder = new Base64();
        byte[] xmlBytes = encodedStr.getBytes(DEFAULT_CHARSET);
        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, (DEFAULT_CHARSET));
            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);

            return decodedStr;
        }
    } catch (IOException e) {
        Assert.fail("Error while decoding SAML response", e);
        return "";
    }
}

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From source file:Main.java

public static byte[] decompress(byte[] data, int off, int len) {
    byte[] output = null;
    Inflater decompresser = new Inflater();
    decompresser.reset();/*from   w w w .j  a v a 2  s .co  m*/
    //      decompresser.setInput(data);
    decompresser.setInput(data, off, len);

    ByteArrayOutputStream o = new ByteArrayOutputStream(data.length);
    try {
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(buf);
            o.write(buf, 0, i);
        }
        output = o.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        try {
            o.close();
            decompresser.end();
        } catch (Exception e) {
        }
    }

    return output;
}

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From source file:Main.java

public static byte[] decompress(byte[] data, int off, int len, int srcLen) {
    byte[] output = null;
    Inflater decompresser = new Inflater();
    decompresser.reset();/*w  ww .ja v  a 2 s  . co  m*/
    //      decompresser.setInput(data);
    decompresser.setInput(data, off, len);

    ByteArrayOutputStream o = new ByteArrayOutputStream(srcLen);
    try {
        o.reset();
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(buf);
            o.write(buf, 0, i);
        }
        output = o.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        try {
            o.close();
            decompresser.end();
        } catch (Exception e) {
        }
    }

    return output;
}

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From source file:ZipUtil.java

/**
 * Inflates a previously deflated file./*from  w  w w.  j  av  a 2 s.  c o  m*/
 */
public static byte[] unzipByteArray(byte[] file) throws IOException {
    byte[] byReturn = null;

    Inflater oInflate = new Inflater(false);
    oInflate.setInput(file);

    ByteArrayOutputStream oZipStream = new ByteArrayOutputStream();
    try {
        while (!oInflate.finished()) {
            byte[] byRead = new byte[ZIP_BUFFER_SIZE];
            int iBytesRead = oInflate.inflate(byRead);
            if (iBytesRead == byRead.length) {
                oZipStream.write(byRead);
            } else {
                oZipStream.write(byRead, 0, iBytesRead);
            }
        }
        byReturn = oZipStream.toByteArray();
    } catch (DataFormatException ex) {
        throw new IOException("Attempting to unzip file that is not zipped.");
    } finally {
        oZipStream.close();
    }
    return byReturn;
}

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