Example usage for io.netty.buffer Unpooled EMPTY

Introduction

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

Prototype

ByteBuf EMPTY_BUFFER

To view the source code for io.netty.buffer Unpooled EMPTY_BUFFER.

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Document

A buffer whose capacity is 0 .

Usage

From source file:io.hekate.network.netty.NettyMessageReadWritTest.java

License:Apache License

@Test(expected = UnsupportedOperationException.class)
public void testReset() throws IOException {
    NettyMessage reader = new NettyMessage(Unpooled.EMPTY_BUFFER, fakeCodec);

    reader.reset();/*w  ww  . ja v  a 2 s  .c o m*/
}

From source file:io.jafka.http.HttpServerHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof HttpRequest) {
        HttpRequest request = this.request = (HttpRequest) msg;

        if (HttpHeaders.is100ContinueExpected(request)) {
            send100Continue(ctx);//w w w  .ja va2 s  .  c  om
        }
        body = new ByteArrayOutputStream(64);
        args = new HashMap<String, String>(4);
        //
        if (request.getMethod() != HttpMethod.POST) {
            sendStatusMessage(ctx, HttpResponseStatus.METHOD_NOT_ALLOWED, "POST METHOD REQUIRED");
            return;
        }
        HttpHeaders headers = request.headers();
        String contentType = headers.get("Content-Type");
        // ? text or octstream
        String key = headers.get("key");
        key = key != null ? key : headers.get("request_key");
        args.put("key", key);
        args.put("topic", headers.get("topic"));
        args.put("partition", headers.get("partition"));
    }

    if (msg instanceof HttpContent) {
        HttpContent httpContent = (HttpContent) msg;

        ByteBuf content = httpContent.content();
        if (content.isReadable()) {
            //body.write(content.array());
            content.readBytes(body, content.readableBytes());
            //body.append(content.toString(CharsetUtil.UTF_8));
        }

        if (msg instanceof LastHttpContent) {
            //process request
            if (server.handler != null) {
                server.handler.handle(args, body.toByteArray());
            }
            if (!writeResponse(ctx)) {
                // If keep-alive is off, close the connection once the content is fully written.
                ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
            }
            body = null;
            args = null;
        }
    }
}

From source file:io.jsync.http.impl.AsyncHttpHandler.java

License:Open Source License

@Override
protected Object safeObject(Object msg, ByteBufAllocator allocator) throws Exception {
    if (msg instanceof HttpContent) {
        HttpContent content = (HttpContent) msg;
        ByteBuf buf = content.content();
        if (buf != Unpooled.EMPTY_BUFFER && buf.isDirect()) {
            ByteBuf newBuf = safeBuffer(content, allocator);
            if (msg instanceof LastHttpContent) {
                LastHttpContent last = (LastHttpContent) msg;
                return new AssembledLastHttpContent(newBuf, last.trailingHeaders(), last.decoderResult());
            } else {
                return new DefaultHttpContent(newBuf);
            }/*from   w w w.j  a va 2  s . co  m*/
        }
    } else if (msg instanceof WebSocketFrame) {
        ByteBuf payload = safeBuffer((WebSocketFrame) msg, allocator);
        boolean isFinal = ((WebSocketFrame) msg).isFinalFragment();
        FrameType frameType;
        if (msg instanceof BinaryWebSocketFrame) {
            frameType = BINARY;
        } else if (msg instanceof CloseWebSocketFrame) {
            frameType = CLOSE;
        } else if (msg instanceof PingWebSocketFrame) {
            frameType = PING;
        } else if (msg instanceof PongWebSocketFrame) {
            frameType = PONG;
        } else if (msg instanceof TextWebSocketFrame) {
            frameType = TEXT;
        } else if (msg instanceof ContinuationWebSocketFrame) {
            frameType = CONTINUATION;
        } else {
            throw new IllegalStateException("Unsupported websocket msg " + msg);
        }
        return new DefaultWebSocketFrame(frameType, payload, isFinal);
    }
    return msg;
}

From source file:io.jsync.http.impl.AsyncHttpHandler.java

License:Open Source License

@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
    if (msg instanceof WebSocketFrameInternal) {
        WebSocketFrameInternal frame = (WebSocketFrameInternal) msg;
        ByteBuf buf = frame.getBinaryData();
        if (buf != Unpooled.EMPTY_BUFFER) {
            buf = safeBuffer(buf, ctx.alloc());
        }//from  w w w .  j  av  a2 s .  c  o m
        switch (frame.type()) {
        case BINARY:
            msg = new BinaryWebSocketFrame(buf);
            break;
        case TEXT:
            msg = new TextWebSocketFrame(buf);
            break;
        case CLOSE:
            msg = new CloseWebSocketFrame(true, 0, buf);
            break;
        case CONTINUATION:
            msg = new ContinuationWebSocketFrame(buf);
            break;
        case PONG:
            msg = new PongWebSocketFrame(buf);
            break;
        case PING:
            msg = new PingWebSocketFrame(buf);
            break;
        default:
            throw new IllegalStateException("Unsupported websocket msg " + msg);
        }
    }
    ctx.write(msg, promise);
}

From source file:io.jsync.http.impl.DefaultHttpClientRequest.java

License:Open Source License

@Override
public void end() {
    check();
    write(Unpooled.EMPTY_BUFFER, true);
}

From source file:io.jsync.http.impl.DefaultHttpClientRequest.java

License:Open Source License

private synchronized void connected(ClientConnection conn) {
    conn.setCurrentRequest(this);
    this.conn = conn;

    // If anything was written or the request ended before we got the connection, then
    // we need to write it now

    if (pendingMaxSize != -1) {
        conn.doSetWriteQueueMaxSize(pendingMaxSize);
    }//w  ww .  j  av a2s  .c  o  m

    if (pendingChunks != null) {
        ByteBuf pending = pendingChunks;
        pendingChunks = null;

        if (completed) {
            // we also need to write the head so optimize this and write all out in once
            writeHeadWithContent(pending, true);

            conn.endRequest();
        } else {
            writeHeadWithContent(pending, false);
        }
    } else {
        if (completed) {
            // we also need to write the head so optimize this and write all out in once
            writeHeadWithContent(Unpooled.EMPTY_BUFFER, true);
            conn.endRequest();
        } else {
            if (writeHead) {
                writeHead();
            }
        }
    }
}

From source file:io.jsync.http.impl.DefaultHttpServerResponse.java

License:Open Source License

@Override
public MultiMap trailers() {
    if (trailers == null) {
        if (trailing == null) {
            trailing = new DefaultLastHttpContent(Unpooled.EMPTY_BUFFER, false);
        }/*from  ww w.j  a va2  s . c o m*/
        trailers = new HttpHeadersAdapter(trailing.trailingHeaders());
    }
    return trailers;
}

From source file:io.jsync.http.impl.DefaultHttpServerResponse.java

License:Open Source License

@Override
public void end() {
    end0(Unpooled.EMPTY_BUFFER);
}

From source file:io.jsync.http.impl.ws.DefaultWebSocketFrame.java

License:Open Source License

/**
 * Creates a new empty text frame.
 */
public DefaultWebSocketFrame() {
    this(null, Unpooled.EMPTY_BUFFER, true);
}

From source file:io.jsync.http.impl.ws.DefaultWebSocketFrame.java

License:Open Source License

/**
 * Creates a new empty text frame.
 */
public DefaultWebSocketFrame(FrameType frameType) {
    this(frameType, Unpooled.EMPTY_BUFFER, true);
}

Example usage for io.netty.buffer Unpooled EMPTY_BUFFER

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Prototype

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