Example usage for io.netty.buffer ByteBufInputStream ByteBufInputStream

List of usage examples for io.netty.buffer ByteBufInputStream ByteBufInputStream

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBufInputStream ByteBufInputStream.

Prototype

public ByteBufInputStream(ByteBuf buffer)

Source Link

Document

Creates a new stream which reads data from the specified buffer starting at the current readerIndex and ending at the current writerIndex .

Usage

From source file:org.lanternpowered.server.network.status.LanternFavicon.java

License:MIT License

/**
 * Decodes the buffered image from the encoded favicon string.
 * /*  w w  w.ja v  a2  s.c o  m*/
 * @param encoded the encoded string
 * @return the buffered image
 */
private static BufferedImage decode(String encoded) throws IOException {
    checkArgument(encoded.startsWith(FAVICON_PREFIX), "unknown favicon format");

    ByteBuf base64 = Unpooled.copiedBuffer(encoded.substring(FAVICON_PREFIX.length()), StandardCharsets.UTF_8);
    try {
        ByteBuf buf = Base64.decode(base64);
        try {
            BufferedImage result = ImageIO.read(new ByteBufInputStream(buf));
            checkState(result.getWidth() == 64, "favicon must be 64 pixels wide");
            checkState(result.getHeight() == 64, "favicon must be 64 pixels high");
            return result;
        } finally {
            buf.release();
        }
    } finally {
        base64.release();
    }
}

From source file:org.nosceon.titanite.body.Raw.java

License:Apache License

public <T> T map(BodyReader<T> reader) {
    if (content.readableBytes() > 0) {
        Callable<T> callable = () -> reader.readFrom(new ByteBufInputStream(content));
        return callUnchecked(callable);
    } else {/*  ww  w.  j av a  2  s  .com*/
        return null;
    }
}

From source file:org.nosceon.titanite.body.RawBodyParser.java

License:Apache License

private ByteBufInputStream stream() {
    return new ByteBufInputStream(content());
}

From source file:org.nosceon.titanite.MultiPart.java

License:Apache License

public InputStream content() {
    return callUnchecked(() -> {
        if (fileUpload.isInMemory()) {
            return new ByteBufInputStream(fileUpload.content());
        } else {/*from   ww w .j  a  v a  2s . c  o m*/
            return new FileInputStream(fileUpload.getFile());

        }
    });
}

From source file:org.onosproject.ovsdb.lib.utils.JsonRpcReaderUtil.java

License:Apache License

/**
 * Decode the bytes to Json object./*from  ww w  . j a v a2s  . c o m*/
 * @param in input of bytes
 * @param out ouput of Json object list
 * @param jrContext context for the last decoding process
 */
public static void readToJsonNode(ByteBuf in, List<Object> out, JsonReadContext jrContext) throws Exception {
    int lastReadBytes = jrContext.getLastReadBytes();
    if (lastReadBytes == 0) {
        if (in.readableBytes() < 4) {
            return;
        }
        checkEncoding(in);
    }

    int i = lastReadBytes + in.readerIndex();
    Stack<Byte> bufStack = jrContext.getBufStack();
    for (; i < in.writerIndex(); i++) {
        byte b = in.getByte(i);
        switch (b) {
        case '{':
            if (!isDoubleQuote(bufStack)) {
                bufStack.push(b);
                jrContext.setStartMatch(true);
            }
            break;
        case '}':
            if (!isDoubleQuote(bufStack)) {
                bufStack.pop();
            }
            break;
        case '"':
            if (in.getByte(i - 1) != '\\') {
                if (!bufStack.isEmpty() && bufStack.peek() != '"') {
                    bufStack.push(b);
                } else {
                    bufStack.pop();
                }
            }
            break;
        default:
            break;
        }

        if (jrContext.isStartMatch() && bufStack.isEmpty()) {
            ByteBuf buf = in.readSlice(i - in.readerIndex() + 1);
            JsonParser jf = new MappingJsonFactory().createParser(new ByteBufInputStream(buf));
            JsonNode jsonNode = jf.readValueAsTree();
            out.add(jsonNode);
            lastReadBytes = 0;
            jrContext.setLastReadBytes(lastReadBytes);
            break;
        }
    }

    if (i >= in.writerIndex()) {
        lastReadBytes = in.readableBytes();
        jrContext.setLastReadBytes(lastReadBytes);
    }
}

From source file:org.onosproject.ovsdb.rfc.utils.JsonRpcReaderUtil.java

License:Apache License

/**
 * Decode the bytes to Json object./*from   w  w w . j a v  a2  s .  com*/
 * @param in input of bytes
 * @param out ouput of Json object list
 * @param jrContext context for the last decoding process
 * @throws IOException IOException
 * @throws JsonParseException JsonParseException
 */
public static void readToJsonNode(ByteBuf in, List<Object> out, JsonReadContext jrContext) throws IOException {
    int lastReadBytes = jrContext.getLastReadBytes();
    if (lastReadBytes == 0) {
        if (in.readableBytes() < 4) {
            return;
        }
        checkEncoding(in);
    }

    int i = lastReadBytes + in.readerIndex();
    Stack<Byte> bufStack = jrContext.getBufStack();
    for (; i < in.writerIndex(); i++) {
        byte b = in.getByte(i);
        switch (b) {
        case '{':
            if (!isDoubleQuote(bufStack)) {
                bufStack.push(b);
                jrContext.setStartMatch(true);
            }
            break;
        case '}':
            if (!isDoubleQuote(bufStack)) {
                bufStack.pop();
            }
            break;
        case '"':
            if (in.getByte(i - 1) != '\\') {
                if (!bufStack.isEmpty() && bufStack.peek() != '"') {
                    bufStack.push(b);
                } else {
                    bufStack.pop();
                }
            }
            break;
        default:
            break;
        }

        if (jrContext.isStartMatch() && bufStack.isEmpty()) {
            ByteBuf buf = in.readSlice(i - in.readerIndex() + 1);
            JsonParser jf = new MappingJsonFactory().createParser(new ByteBufInputStream(buf));
            JsonNode jsonNode = jf.readValueAsTree();
            out.add(jsonNode);
            lastReadBytes = 0;
            jrContext.setLastReadBytes(lastReadBytes);
            break;
        }
    }

    if (i >= in.writerIndex()) {
        lastReadBytes = in.readableBytes();
        jrContext.setLastReadBytes(lastReadBytes);
    }
}

From source file:org.opendaylight.controller.netconf.nettyutil.handler.NetconfEXIToMessageDecoder.java

License:Open Source License

@Override
protected void decode(final ChannelHandlerContext ctx, final ByteBuf in, final List<Object> out)
        throws EXIOptionsException, IOException, SAXException, TransformerConfigurationException {
    /*/*  w w w  .ja va  2 s  .  c  o m*/
     * Note that we could loop here and process all the messages, but we can't do that.
     * The reason is <stop-exi> operation, which has the contract of immediately stopping
     * the use of EXI, which means the next message needs to be decoded not by us, but rather
     * by the XML decoder.
     */

    // If empty Byte buffer is passed to r.parse, EOFException is thrown
    if (!in.isReadable()) {
        LOG.debug("No more content in incoming buffer.");
        return;
    }

    if (LOG.isTraceEnabled()) {
        LOG.trace("Received to decode: {}", ByteBufUtil.hexDump(in));
    }

    final TransformerHandler handler = FACTORY.newTransformerHandler();
    reader.setContentHandler(handler);

    final DOMResult domResult = new DOMResult();
    handler.setResult(domResult);

    try (final InputStream is = new ByteBufInputStream(in)) {
        // Performs internal reset before doing anything
        reader.parse(new InputSource(is));
    }

    out.add(new NetconfMessage((Document) domResult.getNode()));
}

From source file:org.opendaylight.controller.netconf.nettyutil.handler.NetconfXMLToMessageDecoder.java

License:Open Source License

@Override
public void decode(final ChannelHandlerContext ctx, final ByteBuf in, final List<Object> out)
        throws IOException, SAXException {
    if (in.isReadable()) {
        if (LOG.isTraceEnabled()) {
            LOG.trace("Received to decode: {}", ByteBufUtil.hexDump(in));
        }//from ww  w  .j  ava  2s . co  m

        out.add(new NetconfMessage(XmlUtil.readXmlToDocument(new ByteBufInputStream(in))));
    } else {
        LOG.debug("No more content in incoming buffer.");
    }
}

From source file:org.opendaylight.controller.netconf.util.handler.NetconfEXIToMessageDecoder.java

License:Open Source License

@Override
protected void decode(final ChannelHandlerContext ctx, final ByteBuf in, final List<Object> out)
        throws Exception {
    /*/* ww w .jav  a2s  . c  o  m*/
     * Note that we could loop here and process all the messages, but we can't do that.
     * The reason is <stop-exi> operation, which has the contract of immediately stopping
     * the use of EXI, which means the next message needs to be decoded not by us, but rather
     * by the XML decoder.
     */
    // If empty Byte buffer is passed to r.parse, EOFException is thrown

    if (in.readableBytes() == 0) {
        LOG.debug("No more content in incoming buffer.");
        return;
    }

    LOG.trace("Received to decode: {}", ByteBufUtil.hexDump(in));

    final EXIReader r = codec.getReader();

    final SAXTransformerFactory transformerFactory = (SAXTransformerFactory) TransformerFactory.newInstance();
    final TransformerHandler handler = transformerFactory.newTransformerHandler();
    r.setContentHandler(handler);

    final DOMResult domResult = new DOMResult();
    handler.setResult(domResult);

    try (final InputStream is = new ByteBufInputStream(in)) {
        r.parse(new InputSource(is));
    }

    out.add(new NetconfMessage((Document) domResult.getNode()));
}

From source file:org.opendaylight.controller.netconf.util.handler.NetconfXMLToMessageDecoder.java

License:Open Source License

@Override
@VisibleForTesting/*  w  w w.j a  va2s .  c om*/
public void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    if (in.readableBytes() != 0) {
        LOG.trace("Received to decode: {}", ByteBufUtil.hexDump(in));
        out.add(new NetconfMessage(XmlUtil.readXmlToDocument(new ByteBufInputStream(in))));
    } else {
        LOG.debug("No more content in incoming buffer.");
    }
}