Example usage for io.netty.buffer ByteBufUtil writeAscii

List of usage examples for io.netty.buffer ByteBufUtil writeAscii

  1. HOME
  2. Java
  3. io.netty
  4. io.netty.buffer.*
  5. ByteBufUtil
  6. writeAscii

Introduction

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

Prototype

public static int writeAscii(ByteBuf buf, CharSequence seq)

Source Link

Document

Encode a CharSequence in <a href="http://en.wikipedia.org/wiki/ASCII">ASCII</a> and write it to a ByteBuf .

Usage

From source file:com.flysoloing.learning.network.netty.http2.helloworld.multiplex.server.HelloWorldHttp2Handler.java

License:Apache License

/**
 * If receive a frame with end-of-stream set, send a pre-canned response.
 *//*from ww w  . ja  v a2s . c  o  m*/
public void onHeadersRead(ChannelHandlerContext ctx, Http2HeadersFrame headers) throws Exception {
    if (headers.isEndStream()) {
        ByteBuf content = ctx.alloc().buffer();
        content.writeBytes(RESPONSE_BYTES.duplicate());
        ByteBufUtil.writeAscii(content, " - via HTTP/2");
        sendResponse(ctx, content);
    }
}

From source file:com.flysoloing.learning.network.netty.http2.helloworld.server.HelloWorldHttp1Handler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest req) throws Exception {
    if (HttpUtil.is100ContinueExpected(req)) {
        ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
    }//w  w  w .j a va  2s  .  c o m
    boolean keepAlive = HttpUtil.isKeepAlive(req);

    ByteBuf content = ctx.alloc().buffer();
    content.writeBytes(HelloWorldHttp2Handler.RESPONSE_BYTES.duplicate());
    ByteBufUtil.writeAscii(content, " - via " + req.protocolVersion() + " (" + establishApproach + ")");

    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, content);
    response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
    response.headers().setInt(CONTENT_LENGTH, response.content().readableBytes());

    if (!keepAlive) {
        ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
    } else {
        response.headers().set(CONNECTION, HttpHeaderValues.KEEP_ALIVE);
        ctx.writeAndFlush(response);
    }
}

From source file:com.flysoloing.learning.network.netty.http2.helloworld.server.HelloWorldHttp2Handler.java

License:Apache License

public void onHeadersRead(ChannelHandlerContext ctx, int streamId, Http2Headers headers, int padding,
        boolean endOfStream) {
    if (endOfStream) {
        ByteBuf content = ctx.alloc().buffer();
        content.writeBytes(RESPONSE_BYTES.duplicate());
        ByteBufUtil.writeAscii(content, " - via HTTP/2");
        sendResponse(ctx, streamId, content);
    }/*w w  w  .j a  va2s  .c o  m*/
}

From source file:com.google.devtools.build.lib.remote.blobstore.http.HttpDownloadHandlerTest.java

License:Open Source License

/**
 * Test that the handler correctly supports http error codes i.e. 404 (NOT FOUND) with a
 * Content-Length header./* ww w. j  a v a 2 s .  c om*/
 */
@Test
public void httpErrorsWithContentAreSupported() throws IOException {
    EmbeddedChannel ch = new EmbeddedChannel(new HttpDownloadHandler(null));
    ByteArrayOutputStream out = Mockito.spy(new ByteArrayOutputStream());
    DownloadCommand cmd = new DownloadCommand(CACHE_URI, true, "abcdef", out);
    ChannelPromise writePromise = ch.newPromise();
    ch.writeOneOutbound(cmd, writePromise);

    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NOT_FOUND);
    ByteBuf errorMessage = ByteBufUtil.writeAscii(ch.alloc(), "Error message");
    response.headers().set(HttpHeaders.HOST, "localhost");
    response.headers().set(HttpHeaders.CONTENT_LENGTH, String.valueOf(errorMessage.readableBytes()));
    response.headers().set(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE);

    ch.writeInbound(response);
    // The promise must not be done because we haven't received the error message yet.
    assertThat(writePromise.isDone()).isFalse();

    ch.writeInbound(new DefaultHttpContent(errorMessage));
    ch.writeInbound(LastHttpContent.EMPTY_LAST_CONTENT);
    assertThat(writePromise.isDone()).isTrue();
    assertThat(writePromise.cause()).isInstanceOf(HttpException.class);
    assertThat(((HttpException) writePromise.cause()).response().status())
            .isEqualTo(HttpResponseStatus.NOT_FOUND);
    // No data should have been written to the OutputStream and it should have been closed.
    assertThat(out.size()).isEqualTo(0);
    // The caller is responsible for closing the stream.
    verify(out, never()).close();
    assertThat(ch.isOpen()).isFalse();
}

From source file:com.google.devtools.build.lib.remote.blobstore.http.HttpUploadHandlerTest.java

License:Open Source License

/**
 * Test that the handler correctly supports http error codes i.e. 404 (NOT FOUND) with a
 * Content-Length header./*from  w w  w . j av a  2 s.  co m*/
 */
@Test
public void httpErrorsWithContentAreSupported() {
    EmbeddedChannel ch = new EmbeddedChannel(new HttpUploadHandler(null));
    ByteArrayInputStream data = new ByteArrayInputStream(new byte[] { 1, 2, 3, 4, 5 });
    ChannelPromise writePromise = ch.newPromise();
    ch.writeOneOutbound(new UploadCommand(CACHE_URI, true, "abcdef", data, 5), writePromise);

    HttpRequest request = ch.readOutbound();
    assertThat(request).isInstanceOf(HttpRequest.class);
    HttpChunkedInput content = ch.readOutbound();
    assertThat(content).isInstanceOf(HttpChunkedInput.class);

    ByteBuf errorMsg = ByteBufUtil.writeAscii(ch.alloc(), "error message");
    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NOT_FOUND,
            errorMsg);
    response.headers().set(HttpHeaders.CONNECTION, HttpHeaderValues.KEEP_ALIVE);

    ch.writeInbound(response);

    assertThat(writePromise.isDone()).isTrue();
    assertThat(writePromise.cause()).isInstanceOf(HttpException.class);
    assertThat(((HttpException) writePromise.cause()).response().status())
            .isEqualTo(HttpResponseStatus.NOT_FOUND);
    assertThat(ch.isOpen()).isTrue();
}

From source file:com.hop.hhxx.example.http2.helloworld.multiplex.server.HelloWorldHttp2Handler.java

License:Apache License

/**
 * If receive a frame with end-of-stream set, send a pre-canned response.
 *//*from   ww  w  .ja va  2s.c  om*/
public void onHeadersRead(ChannelHandlerContext ctx, Http2HeadersFrame headers) throws Exception {
    if (headers.isEndStream()) {
        ByteBuf content = ctx.alloc().buffer();
        content.writeBytes(RESPONSE_BYTES);
        ByteBufUtil.writeAscii(content, " - via HTTP/2");
        sendResponse(ctx, content);
    }
}

From source file:com.hop.hhxx.example.http2.helloworld.server.HelloWorldHttp2Handler.java

License:Apache License

@Override
public void onHeadersRead(ChannelHandlerContext ctx, int streamId, Http2Headers headers, int padding,
        boolean endOfStream) {
    if (endOfStream) {
        ByteBuf content = ctx.alloc().buffer();
        content.writeBytes(RESPONSE_BYTES.duplicate());
        ByteBufUtil.writeAscii(content, " - via HTTP/2");
        sendResponse(ctx, streamId, content);
    }/*from   w w w  . j av  a 2  s .  c om*/
}

From source file:com.lambdaworks.redis.codec.StringCodec.java

License:Apache License

public void encode(String str, ByteBuf target) {

    if (str == null) {
        return;//  w  w w  .  j  a  v  a2s. c om
    }

    if (utf8) {
        ByteBufUtil.writeUtf8(target, str);
        return;
    }

    if (ascii) {
        ByteBufUtil.writeAscii(target, str);
        return;
    }

    CharsetEncoder encoder = CharsetUtil.encoder(charset);
    int length = (int) ((double) str.length() * encoder.maxBytesPerChar());
    target.ensureWritable(length);
    try {
        final ByteBuffer dstBuf = target.nioBuffer(0, length);
        final int pos = dstBuf.position();
        CoderResult cr = encoder.encode(CharBuffer.wrap(str), dstBuf, true);
        if (!cr.isUnderflow()) {
            cr.throwException();
        }
        cr = encoder.flush(dstBuf);
        if (!cr.isUnderflow()) {
            cr.throwException();
        }
        target.writerIndex(target.writerIndex() + dstBuf.position() - pos);
    } catch (CharacterCodingException x) {
        throw new IllegalStateException(x);
    }
}

From source file:de.unipassau.isl.evs.ssh.core.sec.DeviceConnectInformation.java

License:Open Source License

/**
 * Read a DeviceConnectInformation from a Base64 encoded String, which was read from a QR Code.
 *//*  www.  ja  v a 2s.co m*/
public static DeviceConnectInformation fromDataString(String data) throws IOException {
    final ByteBuf base64 = UnpooledByteBufAllocator.DEFAULT.heapBuffer(data.length());
    ByteBufUtil.writeAscii(base64, data);
    final ByteBuf byteBuf = decode(base64);
    if (byteBuf.readableBytes() != DATA_LENGTH) {
        throw new IOException("too many bytes encoded");
    }

    final byte[] addressData = new byte[ADDRESS_LENGTH];
    byteBuf.readBytes(addressData);
    final InetAddress address = InetAddress.getByAddress(addressData);
    final int port = byteBuf.readUnsignedShort();
    final byte[] idData = new byte[DeviceID.ID_LENGTH];
    byteBuf.readBytes(idData);
    final DeviceID id = new DeviceID(idData);
    final byte[] encodedToken = new byte[TOKEN_BASE64_LENGTH];
    byteBuf.readBytes(encodedToken);
    final byte[] token = decodeToken(new String(encodedToken));

    return new DeviceConnectInformation(address, port, id, token);
}

From source file:eu.jangos.realm.network.packet.server.character.SMSG_CHAR_ENUM.java

License:Apache License

@Override
public void encode(ByteBuf buf) throws Exception {
    // Packet structure:
    // 2b - 2b - 1b
    // Size (Little Endian) - Opcode (Big Endian) - number of characters 
    // If any character:
    // 8b - ?b - 1b - 1b - 1b - 1b - 1b - 1b - 1b - 1b - 1b - 4b - 4b - 4b - 4b - 4b - 4b - 1b - 4b - 4b - 4b 
    // GUID (Little Endian) - Name - Race - Class - Gender - Skin - Face - HairStyle - HairColor - FacialHair - level - zone - map - x - y - z - guild
    // char flags - first login - Pet id - Pet level - Pet Family
    // Then equipment: (19 pieces)
    // 4b - 1b/* www  . ja va2s  .c o m*/
    // Item Display ID - Item Inventory Type
    // Then the bag
    // 4b - 1b
    // First bag display ID
    // First bag inventory type

    // TODO: 
    // - Guild membership
    // - Pet ID
    // - Pet Level
    // - Pet Family

    ItemService itemService = ItemServiceFactory.getInstance();
    ItemInstanceService iiService = new ItemInstanceService();

    buf.writeShort(this.size);
    buf.writeShort(this.code.getValue());
    buf.writeByte(this.numChars);

    for (Characters c : this.listChars) {
        buf = buf.order(ByteOrder.LITTLE_ENDIAN);
        buf.writeLong(c.getGuid());
        //buf = buf.order(ByteOrder.BIG_ENDIAN);
        ByteBufUtil.writeAscii(buf, c.getName());
        buf.writeByte((byte) 0); // End of string
        buf.writeByte(c.getRace());
        buf.writeByte(c.getFkDbcClass());
        buf.writeByte(c.getGender());
        buf.writeByte(c.getSkin());
        buf.writeByte(c.getFace());
        buf.writeByte(c.getHairstyle());
        buf.writeByte(c.getHaircolor());
        buf.writeByte(c.getFacialhair());
        buf.writeByte((byte) c.getLevel());
        buf.writeInt(c.getFkDbcZone());
        buf.writeInt(c.getFkDbcMap());
        buf.writeFloat((float) c.getPositionX()); // X
        buf.writeFloat((float) c.getPositionY()); // Y
        buf.writeFloat((float) c.getPositionZ()); // Z
        buf.writeInt(0); // Guild ID
        buf.writeInt(convertPlayersFlagsToInt(c)); // Char Flags            
        buf.writeByte(convertLoginFlagsToByte(c)); // First login
        buf.writeInt(0); // Pet ID
        buf.writeInt(0); // Pet Level
        buf.writeInt(0); // Pet family

        int count = 0;

        // We get the list of data for the equipment.
        for (Object data : iiService.getEquipmentCharEnum(c)) {
            Object[] itemInstance = (Object[]) data;
            int displayID = 0;
            byte inventoryType = 0;

            // We fill-in the data for the unoccupied slots.
            for (int i = count; i < Integer.parseInt(itemInstance[0].toString()); i++) {
                buf.writeInt(displayID);
                buf.writeByte(inventoryType);
                count++;
            }

            // We add the occupied slot.
            Object[] item = itemService.getItemByIDCharEnum(Integer.parseInt(itemInstance[1].toString()));

            displayID = Integer.parseInt(item[0].toString());
            inventoryType = Byte.parseByte(item[1].toString());

            buf.writeInt(displayID);
            buf.writeByte(inventoryType);

            count++;
        }

        // We fill in the data for the end of the equipment slot.
        for (int i = count; i <= EQUIPMENT_SLOT_END; i++) {
            buf.writeInt(0);
            buf.writeByte(0);
        }

    }

}