Example usage for io.netty.buffer ByteBufOutputStream ByteBufOutputStream

Introduction

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

Prototype

public ByteBufOutputStream(ByteBuf buffer)

Source Link

Document

Creates a new stream which writes data to the specified buffer .

Usage

From source file:org.lanternpowered.pingy.PingyProperties.java

License:MIT License

public void loadFavicon(Path directory) throws IOException {
    if (this.favicon.isEmpty()) {
        return;//from w  w  w .j  ava2s  .c  om
    }
    final Path faviconPath = directory.resolve(this.favicon);
    if (!Files.exists(faviconPath)) {
        throw new IOException("Favicon file does not exist.");
    }
    final BufferedImage image;
    try {
        image = ImageIO.read(faviconPath.toFile());
    } catch (IOException e) {
        throw new IOException("Unable to read the favicon file.");
    }
    if (image.getWidth() != 64) {
        throw new IOException("Favicon must be 64 pixels wide.");
    }
    if (image.getHeight() != 64) {
        throw new IOException("Favicon must be 64 pixels high.");
    }
    final ByteBuf buf = Unpooled.buffer();
    try {
        ImageIO.write(image, "PNG", new ByteBufOutputStream(buf));
        final ByteBuf base64 = Base64.encode(buf);

        try {
            this.faviconData = "data:image/png;base64," + base64.toString(StandardCharsets.UTF_8);
        } finally {
            base64.release();
        }
    } finally {
        buf.release();
    }
}

From source file:org.lanternpowered.server.network.buffer.LanternByteBuffer.java

License:MIT License

@Override
public OutputStream asOutputStream() {
    return new ByteBufOutputStream(this.buf);
}

From source file:org.lanternpowered.server.network.buffer.LanternByteBuffer.java

License:MIT License

@Override
public LanternByteBuffer writeDataView(@Nullable DataView data) {
    if (data == null) {
        this.buf.writeByte(0);
        return this;
    }// www .java  2s  . c  om
    try {
        NbtStreamUtils.write(data, new ByteBufOutputStream(this.buf), false);
    } catch (IOException e) {
        throw new CodecException(e);
    }
    return this;
}

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

License:MIT License

/**
 * Encodes the buffered image into the encoded favicon string.
 * //from www.  j  a  v a  2s.co m
 * @param image the buffered image
 * @return the favicon string
 */
private static String encode(BufferedImage image) throws IOException {
    checkArgument(image.getWidth() == 64, "favicon must be 64 pixels wide");
    checkArgument(image.getHeight() == 64, "favicon must be 64 pixels high");

    ByteBuf buf = Unpooled.buffer();

    try {
        ImageIO.write(image, "PNG", new ByteBufOutputStream(buf));
        ByteBuf base64 = Base64.encode(buf);

        try {
            return FAVICON_PREFIX + base64.toString(StandardCharsets.UTF_8);
        } finally {
            base64.release();
        }
    } finally {
        buf.release();
    }
}

From source file:org.msgpack.rpc.loop.netty.NettyTcpClientTransport.java

License:Apache License

@Override
protected ByteBufOutputStream newPendingBuffer() {
    return new ByteBufOutputStream(Unpooled.buffer());
}

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

License:Open Source License

@Override
protected void encode(final ChannelHandlerContext ctx, final NetconfMessage msg, final ByteBuf out)
        throws EXIOptionsException, IOException, TransformerException, TransmogrifierException {
    LOG.trace("Sent to encode : {}", msg);

    // TODO Workaround for bug 2679, recreate transmogrifier every time
    // If the transmogrifier is reused, encoded xml can become non valid according to EXI decoder
    // Seems like a bug in the nagasena library (try newer version of the library or fix the bug inside of it)
    // Related bugs 2459: reuse nagasena resources, 2458: upgrade nagasena to newest version
    final Transmogrifier transmogrifier = codec.getTransmogrifier();

    try (final OutputStream os = new ByteBufOutputStream(out)) {
        transmogrifier.setOutputStream(os);
        final ContentHandler handler = transmogrifier.getSAXTransmogrifier();
        final Transformer transformer = ThreadLocalTransformers.getDefaultTransformer();
        transformer.transform(new DOMSource(msg.getDocument()), new SAXResult(handler));
    } finally {/*from  w ww  .ja  v a 2  s .c  om*/
        // Make sure we do not retain any reference to state by removing
        // the output stream reference and resetting internal state.
        transmogrifier.setOutputStream(null);
        transmogrifier.getSAXTransmogrifier();
    }
}

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

License:Open Source License

@Override
@VisibleForTesting//from w  w w . ja v a  2 s . c om
public void encode(final ChannelHandlerContext ctx, final NetconfMessage msg, final ByteBuf out)
        throws IOException, TransformerException {
    LOG.trace("Sent to encode : {}", msg);

    if (clientId.isPresent()) {
        Comment comment = msg.getDocument().createComment("clientId:" + clientId.get());
        msg.getDocument().appendChild(comment);
    }

    try (OutputStream os = new ByteBufOutputStream(out)) {
        // Wrap OutputStreamWriter with BufferedWriter as suggested in javadoc for OutputStreamWriter
        StreamResult result = new StreamResult(new BufferedWriter(new OutputStreamWriter(os)));
        DOMSource source = new DOMSource(msg.getDocument());
        ThreadLocalTransformers.getPrettyTransformer().transform(source, result);
    }
}

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

License:Open Source License

@Override
protected void encode(final ChannelHandlerContext ctx, final NetconfMessage msg, final ByteBuf out)
        throws Exception {
    LOG.trace("Sent to encode : {}", XmlUtil.toString(msg.getDocument()));

    try (final OutputStream os = new ByteBufOutputStream(out)) {
        final Transmogrifier transmogrifier = codec.getTransmogrifier();
        transmogrifier.setOutputStream(os);

        final Transformer transformer = saxTransformerFactory.newTransformer();
        transformer.transform(new DOMSource(msg.getDocument()),
                new SAXResult(transmogrifier.getSAXTransmogrifier()));
    }//from  www. j  a  v  a 2s  .co  m
}

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

License:Open Source License

@Override
@VisibleForTesting//ww  w . j  av  a 2  s. c o  m
public void encode(ChannelHandlerContext ctx, NetconfMessage msg, ByteBuf out)
        throws IOException, TransformerException {
    LOG.debug("Sent to encode : {}", msg);

    if (clientId.isPresent()) {
        Comment comment = msg.getDocument().createComment("clientId:" + clientId.get());
        msg.getDocument().appendChild(comment);
    }

    try (OutputStream os = new ByteBufOutputStream(out)) {
        Transformer transformer = FACTORY.newTransformer();
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");

        StreamResult result = new StreamResult(new OutputStreamWriter(os));
        DOMSource source = new DOMSource(msg.getDocument());
        transformer.transform(source, result);
    }
}

From source file:org.opendaylight.netconf.nettyutil.handler.NetconfMessageToEXIEncoder.java

License:Open Source License

@Override
protected void encode(final ChannelHandlerContext ctx, final NetconfMessage msg, final ByteBuf out)
        throws EXIOptionsException, IOException, TransformerException, TransmogrifierException {
    LOG.trace("Sent to encode : {}", msg);

    try (final OutputStream os = new ByteBufOutputStream(out)) {
        transmogrifier.setOutputStream(os);
        final ContentHandler handler = transmogrifier.getSAXTransmogrifier();
        final Transformer transformer = ThreadLocalTransformers.getDefaultTransformer();
        transformer.transform(new DOMSource(msg.getDocument()), new SAXResult(handler));
    } finally {//  w ww.j av  a  2s  . c  o  m
        // Make sure we do not retain any reference to state by removing
        // the output stream reference and resetting internal state.
        transmogrifier.setOutputStream(null);
        transmogrifier.getSAXTransmogrifier();
    }
}