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:com.ctriposs.r2.filter.compression.DeflateCompressor.java

@Override
public byte[] inflate(InputStream data) throws CompressionException {
    byte[] input;
    try {//from  w  ww . j  a v a 2  s . co m
        input = IOUtils.toByteArray(data);
    } catch (IOException e) {
        throw new CompressionException(CompressionConstants.DECODING_ERROR + CompressionConstants.BAD_STREAM,
                e);
    }

    Inflater zlib = new Inflater();
    zlib.setInput(input);

    ByteArrayOutputStream output = new ByteArrayOutputStream();
    byte[] temp = new byte[CompressionConstants.BUFFER_SIZE];

    int bytesRead;
    while (!zlib.finished()) {
        try {
            bytesRead = zlib.inflate(temp);
        } catch (DataFormatException e) {
            throw new CompressionException(CompressionConstants.DECODING_ERROR + getContentEncodingName(), e);
        }
        if (bytesRead == 0) {
            if (!zlib.needsInput()) {
                throw new CompressionException(CompressionConstants.DECODING_ERROR + getContentEncodingName());
            } else {
                break;
            }
        }

        if (bytesRead > 0) {
            output.write(temp, 0, bytesRead);
        }
    }

    zlib.end();
    return output.toByteArray();
}

---

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) {
            }/*from w w w .j  a v a  2s .  c  om*/
        }
        try {
            bos.close();
        } catch (IOException e) {
        }
        fileData = bos.toByteArray();
    }
}

---

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

public void decompress() {
    if (compressed) {
        Inflater decompressor = new Inflater();
        decompressor.setInput(data);//w ww.  ja va  2  s  . c om

        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();
    }
}

---

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

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

---

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

@Override
public void decompress() {
    if (compressed) {
        Inflater decompressor = new Inflater();
        decompressor.setInput(data);//  w w w  .  j a  v a2  s.c  om

        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:org.getspout.spoutapi.packet.PacketBlockData.java

public void decompress() {
    if (compressed) {
        Inflater decompressor = new Inflater();
        decompressor.setInput(data);/*from   w  w w .ja  v  a2s.  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) {
        }

        data = bos.toByteArray();
    }
}

---

From source file:org.getspout.spoutapi.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 ww.j  a va 2 s  .c o  m*/
        }
        try {
            bos.close();
        } catch (IOException e) {
        }

        fileData = bos.toByteArray();
    }
}

---

From source file:org.apache.pdfbox.filter.FlateFilter.java

private ByteArrayOutputStream decompress(InputStream in) throws IOException, DataFormatException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    byte[] buf = new byte[2048];
    int read = in.read(buf);
    if (read > 0) {
        Inflater inflater = new Inflater();
        inflater.setInput(buf, 0, read);
        byte[] res = new byte[2048];
        while (true) {
            int resRead = inflater.inflate(res);
            if (resRead != 0) {
                out.write(res, 0, resRead);
                continue;
            }//from   w ww .j a v  a2 s  .co m
            if (inflater.finished() || inflater.needsDictionary() || in.available() == 0) {
                break;
            }
            read = in.read(buf);
            inflater.setInput(buf, 0, read);
        }
    }
    out.close();
    return out;
}

---

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

/**
 * Decoding and deflating the encoded AuthReq
 *
 * @param encodedStr encoded AuthReq//from  www. j  a  v  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("UTF-8");
        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.getRemaining() > 0) {
                throw new RuntimeException("didn't allocate enough space to hold " + "decompressed data");
            }

            inflater.end();
            String decodedString = new String(xmlMessageBytes, 0, resultLength, "UTF-8");
            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 new IdentityException("Error when decoding the SAML Request.", e);
    }

}

---

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

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

        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();
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• »