Example usage for java.nio ByteBuffer array

List of usage examples for java.nio ByteBuffer array

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Introduction

In this page you can find the example usage for java.nio ByteBuffer array.

Prototype

public final byte[] array()

Source Link

Document

Returns the byte array which this buffer is based on, if there is one.

Usage

From source file:com.twinsoft.convertigo.beans.steps.WriteXMLStep.java

protected void writeFile(String filePath, NodeList nodeList) throws EngineException {
    if (nodeList == null) {
        throw new EngineException("Unable to write to xml file: element is Null");
    }/*from  w  w w .j av  a 2 s.  co  m*/

    String fullPathName = getAbsoluteFilePath(filePath);
    synchronized (Engine.theApp.filePropertyManager.getMutex(fullPathName)) {
        try {
            String encoding = getEncoding();
            encoding = encoding.length() > 0 && Charset.isSupported(encoding) ? encoding : "UTF-8";
            if (!isReallyAppend(fullPathName)) {
                String tTag = defaultRootTagname.length() > 0 ? StringUtils.normalize(defaultRootTagname)
                        : "document";
                FileUtils.write(new File(fullPathName),
                        "<?xml version=\"1.0\" encoding=\"" + encoding + "\"?>\n<" + tTag + "/>", encoding);
            }

            StringBuffer content = new StringBuffer();

            /* do the content, only append child element */
            for (int i = 0; i < nodeList.getLength(); i++) {
                if (nodeList.item(i).getNodeType() == Node.ELEMENT_NODE) {
                    content.append(XMLUtils.prettyPrintElement((Element) nodeList.item(i), true, true));
                }
            }

            /* detect current xml encoding */
            RandomAccessFile randomAccessFile = null;
            try {
                randomAccessFile = new RandomAccessFile(fullPathName, "rw");
                FileChannel fc = randomAccessFile.getChannel();
                ByteBuffer buf = ByteBuffer.allocate(60);
                int nb = fc.read(buf);
                String sbuf = new String(buf.array(), 0, nb, "ASCII");
                String enc = sbuf.replaceFirst("^.*encoding=\"", "").replaceFirst("\"[\\d\\D]*$", "");

                if (!Charset.isSupported(enc)) {
                    enc = encoding;
                }

                buf.clear();

                /* retrieve last header tag*/
                long pos = fc.size() - buf.capacity();
                if (pos < 0) {
                    pos = 0;
                }

                nb = fc.read(buf, pos);

                boolean isUTF8 = Charset.forName(enc) == Charset.forName("UTF-8");

                if (isUTF8) {
                    for (int i = 0; i < buf.capacity(); i++) {
                        sbuf = new String(buf.array(), i, nb - i, enc);
                        if (!sbuf.startsWith("")) {
                            pos += i;
                            break;
                        }
                    }
                } else {
                    sbuf = new String(buf.array(), 0, nb, enc);
                }

                int lastTagIndex = sbuf.lastIndexOf("</");
                if (lastTagIndex == -1) {
                    int iend = sbuf.lastIndexOf("/>");
                    if (iend != -1) {
                        lastTagIndex = sbuf.lastIndexOf("<", iend);
                        String tagname = sbuf.substring(lastTagIndex + 1, iend);
                        content = new StringBuffer(
                                "<" + tagname + ">\n" + content.toString() + "</" + tagname + ">");
                    } else {
                        throw new EngineException("Malformed XML file");
                    }
                } else {
                    content.append(sbuf.substring(lastTagIndex));

                    if (isUTF8) {
                        String before = sbuf.substring(0, lastTagIndex);
                        lastTagIndex = before.getBytes(enc).length;
                    }
                }
                fc.write(ByteBuffer.wrap(content.toString().getBytes(enc)), pos + lastTagIndex);
            } finally {
                if (randomAccessFile != null) {
                    randomAccessFile.close();
                }
            }
        } catch (IOException e) {
            throw new EngineException("Unable to write to xml file", e);
        } finally {
            Engine.theApp.filePropertyManager.releaseMutex(fullPathName);
        }
    }
}

From source file:com.linkedin.haivvreo.AvroDeserializer.java

private Object deserializeList(Object datum, Schema recordSchema, ListTypeInfo columnType)
        throws HaivvreoException {
    // Need to check the original schema to see if this is actually a Fixed.
    if (recordSchema.getType().equals(Schema.Type.FIXED)) {
        // We're faking out Hive to work through a type system impedence mismatch.  Pull out the backing array and convert to a list.
        GenericData.Fixed fixed = (GenericData.Fixed) datum;
        List<Byte> asList = new ArrayList<Byte>(fixed.bytes().length);
        for (int j = 0; j < fixed.bytes().length; j++) {
            asList.add(fixed.bytes()[j]);
        }/*from   w  w  w.ja  va2  s  . com*/
        return asList;
    } else if (recordSchema.getType().equals(Schema.Type.BYTES)) {
        // This is going to be slow... hold on.
        ByteBuffer bb = (ByteBuffer) datum;
        List<Byte> asList = new ArrayList<Byte>(bb.capacity());
        byte[] array = bb.array();
        for (int j = 0; j < array.length; j++) {
            asList.add(array[j]);
        }
        return asList;
    } else { // An actual list, deser its values
        List listData = (List) datum;
        Schema listSchema = recordSchema.getElementType();
        List<Object> listContents = new ArrayList<Object>(listData.size());
        for (Object obj : listData) {
            listContents.add(worker(obj, listSchema, columnType.getListElementTypeInfo()));
        }
        return listContents;
    }
}

From source file:io.warp10.quasar.encoder.QuasarTokenEncoder.java

public String getTokenIdent(String token, byte[] tokenSipHashkey) {
    long ident = SipHashInline.hash24_palindromic(tokenSipHashkey, token.getBytes());

    ByteBuffer buffer = ByteBuffer.allocate(Long.BYTES);
    buffer.order(ByteOrder.BIG_ENDIAN);
    buffer.putLong(ident);/*from   www. ja v a  2s . c  om*/
    return Hex.encodeHexString(buffer.array());
}

From source file:com.l2jfree.loginserver.network.L2Client.java

@Override
public boolean decrypt(ByteBuffer buf, int size) {
    boolean ret = false;
    try {//from   w  w  w. j a v  a 2 s.c  om
        ret = getLoginCrypt().decrypt(buf.array(), buf.position(), size);
    } catch (IOException e) {
        e.printStackTrace();
        closeNow();
        return false;
    }

    if (!ret) {
        byte[] dump = new byte[size];
        System.arraycopy(buf.array(), buf.position(), dump, 0, size);
        _log.warn("Wrong checksum from client: " + toString());
        closeNow();
    }

    return ret;
}

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  2  s.  c om*/

    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;
}

From source file:com.codeabovelab.dm.common.security.token.SignedTokenServiceBackend.java

@Override
public TokenData createToken(TokenConfiguration config) {
    final long creationTime = System.currentTimeMillis();

    byte[] serverSecret = computeServerSecretApplicableAt(creationTime);
    byte[] content = contentPack(creationTime, generateRandom(), serverSecret,
            Utf8.encode(pack(config.getUserName(), config.getDeviceHash())));

    byte[] sign = sign(content);
    ByteBuffer buffer = ByteBuffer.allocate(1 + sign.length + 1 + content.length);
    store(buffer, content);//from  w  w w.  j  a v a  2s  .com
    store(buffer, sign);
    String key = base32.encodeAsString(buffer.array());

    return new TokenDataImpl(creationTime, TokenUtils.getKeyWithTypeAndToken(TYPE, key), config.getUserName(),
            config.getDeviceHash());
}

From source file:com.cloudera.recordbreaker.hive.borrowed.AvroDeserializer.java

private Object deserializeList(Object datum, Schema recordSchema, ListTypeInfo columnType)
        throws AvroSerdeException {
    // Need to check the original schema to see if this is actually a Fixed.
    if (recordSchema.getType().equals(Schema.Type.FIXED)) {
        // We're faking out Hive to work through a type system impedence mismatch.
        // Pull out the backing array and convert to a list.
        GenericData.Fixed fixed = (GenericData.Fixed) datum;
        List<Byte> asList = new ArrayList<Byte>(fixed.bytes().length);
        for (int j = 0; j < fixed.bytes().length; j++) {
            asList.add(fixed.bytes()[j]);
        }/*from w  ww  . ja  v  a  2 s . com*/
        return asList;
    } else if (recordSchema.getType().equals(Schema.Type.BYTES)) {
        // This is going to be slow... hold on.
        ByteBuffer bb = (ByteBuffer) datum;
        List<Byte> asList = new ArrayList<Byte>(bb.capacity());
        byte[] array = bb.array();
        for (int j = 0; j < array.length; j++) {
            asList.add(array[j]);
        }
        return asList;
    } else { // An actual list, deser its values
        List listData = (List) datum;
        Schema listSchema = recordSchema.getElementType();
        List<Object> listContents = new ArrayList<Object>(listData.size());
        for (Object obj : listData) {
            listContents.add(worker(obj, listSchema, columnType.getListElementTypeInfo()));
        }
        return listContents;
    }
}

From source file:co.cask.cdap.client.rest.RestStreamWriter.java

@Override
public ListenableFuture<Void> write(ByteBuffer buffer, Map<String, String> headers)
        throws IllegalArgumentException {
    Preconditions.checkArgument(buffer != null, "ByteBuffer parameter is null.");
    HttpEntity content;/*www  .  j  a v a  2  s. c  om*/
    if (buffer.hasArray()) {
        content = new ByteArrayEntity(buffer.array(), buffer.arrayOffset() + buffer.position(),
                buffer.remaining());
    } else {
        byte[] bytes = new byte[buffer.remaining()];
        buffer.get(bytes);
        content = new ByteArrayEntity(bytes);
    }
    return write(content, headers);
}

From source file:com.l2jfree.loginserver.network.L2Client.java

@Override
public boolean encrypt(ByteBuffer buf, int size) {
    final int offset = buf.position();
    try {//from  w ww .j a v a 2 s .  c o m
        size = getLoginCrypt().encrypt(buf.array(), offset, size);
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    }

    buf.position(offset + size);
    return true;
}

From source file:kilim.http.HttpRequest.java

public void dumpBuffer(ByteBuffer buffer) {
    byte[] ba = buffer.array();
    int len = buffer.position();
    StringBuilder print = new StringBuilder();
    for (int i = 0; i < len; i++) {
        print.append((char) ba[i]);
    }//from   ww  w  . j  a  v a 2s. co m
    log.debug(print);
}