Example usage for java.nio CharBuffer wrap

Introduction

In this page you can find the example usage for java.nio CharBuffer wrap.

Prototype

public static CharBuffer wrap(CharSequence chseq) 

Source Link

Document

Creates a new char buffer by wrapping the given char sequence.

Usage

From source file:com.bconomy.autobit.Encryption.java

private static byte[] charsToBytes(char[] chars) {
    CharBuffer charBuffer = CharBuffer.wrap(chars);
    ByteBuffer byteBuffer = Charset.forName("UTF-8").encode(charBuffer);
    byte[] bytes = Arrays.copyOfRange(byteBuffer.array(), byteBuffer.position(), byteBuffer.limit());
    Arrays.fill(charBuffer.array(), '\u0000'); // clear sensitive data
    Arrays.fill(byteBuffer.array(), (byte) 0); // clear sensitive data
    Arrays.fill(chars, '\u0000'); // clear sensitive data
    return bytes;
}

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From source file:org.pentaho.di.cluster.HttpUtilTest.java

/**
 * https://www.securecoding.cert.org/confluence/display/java/IDS12-J.+Perform+lossless+conversion+
 * of+String+data+between+differing+character+encodings
 *
 * @param in/*from  ww w . j  a v a 2s  . c  om*/
 *          string to encode
 * @return
 * @throws IOException
 */
private String canonicalBase64Encode(String in) throws IOException {
    Charset charset = Charset.forName(DEFAULT_ENCODING);
    CharsetEncoder encoder = charset.newEncoder();
    encoder.reset();
    ByteBuffer baosbf = encoder.encode(CharBuffer.wrap(in));
    byte[] bytes = new byte[baosbf.limit()];
    baosbf.get(bytes);

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    GZIPOutputStream gzos = new GZIPOutputStream(baos);
    gzos.write(bytes);
    gzos.close();
    String encoded = new String(Base64.encodeBase64(baos.toByteArray()));

    return encoded;
}

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From source file:com.addthis.hydra.query.tracker.DetailedStatusHandler.java

private void onSuccess(QueryEntryInfo queryEntryInfo) {
    try {//from  w w w. j  ava2s  .  c  o m
        JSONObject entryJSON = CodecJSON.encodeJSON(queryEntryInfo);
        writer.write(entryJSON.toString());
        ByteBuf textResponse = ByteBufUtil.encodeString(ctx.alloc(), CharBuffer.wrap(writer.getBuilder()),
                CharsetUtil.UTF_8);
        HttpContent content = new DefaultHttpContent(textResponse);
        response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, textResponse.readableBytes());
        if (HttpHeaders.isKeepAlive(request)) {
            response.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
        }
        ctx.write(response);
        ctx.write(content);
        ChannelFuture lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
        if (!HttpHeaders.isKeepAlive(request)) {
            lastContentFuture.addListener(ChannelFutureListener.CLOSE);
        }
    } catch (Throwable t) {
        onFailure(t);
    }
}

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From source file:com.boylesoftware.web.impl.auth.CipherToolbox.java

/**
 * Create new instance./*from   w  w  w . j av  a2 s.com*/
 *
 * @param pool Reference to the owning pool.
 * @param pooledObjectId Pooled object id.
 * @param secretKey The key.
 */
CipherToolbox(final FastPool<CipherToolbox> pool, final int pooledObjectId, final Key secretKey) {
    super(pool, pooledObjectId);

    this.secretKey = secretKey;

    try {
        this.cipher = Cipher.getInstance(ALGORITHM);
    } catch (final GeneralSecurityException e) {
        throw new RuntimeException("Error creating cipher.", e);
    }

    this.clearBuf = ByteBuffer.allocate(48);
    this.cipherBuf = ByteBuffer.allocate(48);
    this.base64Chars = new char[64];
    this.base64Buf = CharBuffer.wrap(this.base64Chars);
}

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From source file:de.intranda.goobi.plugins.utils.SRUClient.java

/**
 * Converts a <code>String</code> from one given encoding to the other.
 * /*from w w w. j a  v  a 2 s.  c om*/
 * @param string The string to convert.
 * @param from Source encoding.
 * @param to Destination encoding.
 * @return The converted string.
 */
public static String convertStringEncoding(String string, String from, String to) {
    try {
        Charset charsetFrom = Charset.forName(from);
        Charset charsetTo = Charset.forName(to);
        CharsetEncoder encoder = charsetFrom.newEncoder();
        CharsetDecoder decoder = charsetTo.newDecoder();
        ByteBuffer bbuf = encoder.encode(CharBuffer.wrap(string));
        CharBuffer cbuf = decoder.decode(bbuf);
        return cbuf.toString();
    } catch (CharacterCodingException e) {
        logger.error(e.getMessage(), e);
    }

    return string;
}

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From source file:com.amazonaws.services.dynamodbv2.online.index.AttributeValueConverter.java

public static AttributeValue parseFromBlankString(String attribtueType, String value)
        throws IllegalArgumentException {
    try {/* w  w  w.  ja  va  2s.  c om*/
        AttributeValue attributeValue = new AttributeValue();
        if (attribtueType.equals("N")) {
            attributeValue.withN(value);
        } else if (attribtueType.equals("S")) {
            attributeValue.withS(value);
        } else if (attribtueType.equals("B")) {
            attributeValue.withB(encoder.encode(CharBuffer.wrap(value)));
        } else if (attribtueType.equals("NS")) {
            List<String> numberSet = mapper.readValue(value, new TypeReference<List<String>>() {
            });
            attributeValue.withNS(numberSet);
        } else if (attribtueType.equals("SS")) {
            List<String> stringSet = mapper.readValue(value, new TypeReference<List<String>>() {
            });
            attributeValue.withSS(stringSet);
        } else if (attribtueType.equals("BS")) {
            List<String> binaryStringSet = mapper.readValue(value, new TypeReference<List<String>>() {
            });
            List<ByteBuffer> bianrySet = new ArrayList<ByteBuffer>();
            for (String bss : binaryStringSet) {
                bianrySet.add(encoder.encode(CharBuffer.wrap(bss)));
            }
            attributeValue.withBS(bianrySet);
        } else {
            throw new IllegalArgumentException("Error: Invalid Attribute Value Type. ");
        }
        return attributeValue;
    } catch (CharacterCodingException cce) {
        throw new IllegalArgumentException("Error: Failed to encode binary into string.");
    } catch (IOException e) {
        throw new IllegalArgumentException("Error: Failed to parse set from string.");
    }
}

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From source file:co.cask.cdap.logging.gateway.handlers.ChunkedLogReaderCallback.java

@Override
public void handle(LogEvent event) {
    String logLine = patternLayout.doLayout(event.getLoggingEvent());
    logLine = escape ? StringEscapeUtils.escapeHtml(logLine) : logLine;

    try {//from   w ww . ja  v a 2s . c  om
        // Encode logLine and send chunks
        encodeSend(CharBuffer.wrap(logLine), false);
        count.incrementAndGet();
    } catch (IOException e) {
        // Just propagate the exception, the caller of this Callback should be handling it.
        throw Throwables.propagate(e);
    }
}

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From source file:com.addthis.hydra.query.web.GoogleDriveAuthentication.java

/**
 * Send an HTML formatted error message.
 *//*from   w  w w  .ja v  a  2 s .c om*/
private static void sendErrorMessage(ChannelHandlerContext ctx, String message) throws IOException {
    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    response.headers().set(CONTENT_TYPE, "text/html; charset=utf-8");
    StringBuilderWriter writer = new StringBuilderWriter(50);
    writer.append("<html><head><title>Hydra Query Master</title></head><body>");
    writer.append("<h3>");
    writer.append(message);
    writer.append("</h3></body></html>");
    ByteBuf textResponse = ByteBufUtil.encodeString(ctx.alloc(), CharBuffer.wrap(writer.getBuilder()),
            CharsetUtil.UTF_8);
    HttpContent content = new DefaultHttpContent(textResponse);
    response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, textResponse.readableBytes());
    ctx.write(response);
    ctx.write(content);
    ChannelFuture lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    lastContentFuture.addListener(ChannelFutureListener.CLOSE);
}

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From source file:pl.bristleback.server.bristle.engine.tomcat.servlet.TomcatServletWebsocketEngine.java

@Override
public void sendMessage(WebsocketConnector connector, String contentAsString) throws Exception {
    CharBuffer buffer = CharBuffer.wrap(contentAsString);
    ((TomcatConnector) connector).getConnection().writeTextMessage(buffer);
}

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From source file:com.cloudera.sqoop.lib.RecordParser.java

/**
 * Return a list of strings representing the fields of the input line.
 * This list is backed by an internal buffer which is cleared by the
 * next call to parseRecord().//w ww. ja  v  a  2s.  c  om
 */
public List<String> parseRecord(CharSequence input) throws ParseError {
    if (null == input) {
        throw new ParseError("null input string");
    }

    return parseRecord(CharBuffer.wrap(input));
}

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