Example usage for io.vertx.core.buffer Buffer appendByte

Introduction

In this page you can find the example usage for io.vertx.core.buffer Buffer appendByte.

Prototype

@Fluent
Buffer appendByte(byte b);

Source Link

Document

Appends the specified byte to the end of the Buffer.

Usage

From source file:examples.HTTP2Examples.java

License:Open Source License

public void example23(HttpConnection connection) {
    Buffer data = Buffer.buffer();
    for (byte i = 0; i < 8; i++) {
        data.appendByte(i);
    }//  ww w. j ava 2s  .  c  om
    connection.ping(data, pong -> {
        System.out.println("Remote side replied");
    });
}

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From source file:io.fabric8.msg.jnatsd.routing.Address.java

License:Apache License

public void appendToBuffer(Buffer buffer) {
    for (int i = 0; i < array.length; i++) {
        buffer.appendByte((byte) array[i]);
    }/*from  w  w  w. ja v  a2s .  c om*/
}

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From source file:org.eclipse.hono.authentication.impl.AbstractPlainAuthenticationService.java

License:Open Source License

private String[] readFields(final byte[] buffer) throws CredentialException {
    List<String> fields = new ArrayList<>();
    int pos = 0;/*from  www  . j  ava2s .  co  m*/
    Buffer b = Buffer.buffer();
    while (pos < buffer.length) {
        byte val = buffer[pos];
        if (val == 0x00) {
            fields.add(b.toString(StandardCharsets.UTF_8));
            b = Buffer.buffer();
        } else {
            b.appendByte(val);
        }
        pos++;
    }
    fields.add(b.toString(StandardCharsets.UTF_8));

    if (fields.size() != 3) {
        throw new CredentialException("client provided malformed PLAIN response");
    } else if (fields.get(1) == null || fields.get(1).length() == 0) {
        throw new CredentialException("PLAIN response must contain an authentication ID");
    } else if (fields.get(2) == null || fields.get(2).length() == 0) {
        throw new CredentialException("PLAIN response must contain a password");
    } else {
        return fields.toArray(new String[3]);
    }
}

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From source file:shadowsocks.vertxio.ClientHandler.java

License:Apache License

private boolean handleStageAddress() {
    int bufferLength = mBufferQueue.length();
    String addr = null;//from  w  ww.ja va2  s. co m
    // Construct the remote header.
    Buffer remoteHeader = Buffer.buffer();
    int addrType = mBufferQueue.getByte(0);
    if (mConfig.oneTimeAuth) {
        remoteHeader.appendByte((byte) (addrType | OTA_FLAG));
    } else {
        remoteHeader.appendByte((byte) (addrType));
    }

    if (addrType == ADDR_TYPE_IPV4) {
        // addr type (1) + ipv4(4) + port(2)
        if (bufferLength < 7)
            return false;
        try {
            addr = InetAddress.getByAddress(mBufferQueue.getBytes(1, 5)).toString();
        } catch (UnknownHostException e) {
            log.error("UnknownHostException.", e);
            return true;
        }
        remoteHeader.appendBytes(mBufferQueue.getBytes(1, 5));
        compactBuffer(5);
    } else if (addrType == ADDR_TYPE_HOST) {
        short hostLength = mBufferQueue.getUnsignedByte(1);
        // addr type(1) + len(1) + host + port(2)
        if (bufferLength < hostLength + 4)
            return false;
        addr = mBufferQueue.getString(2, hostLength + 2);
        remoteHeader.appendByte((byte) hostLength).appendString(addr);
        compactBuffer(hostLength + 2);
    } else {
        log.warn("Unsupport addr type " + addrType);
        return true;
    }
    int port = mBufferQueue.getUnsignedShort(0);
    remoteHeader.appendShort((short) port);
    compactBuffer(2);
    log.info("Connecting to " + addr + ":" + port);
    connectToRemote(mConfig.server, mConfig.serverPort, remoteHeader);
    nextStage();
    return false;
}

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