Java Code Examples for io.netty.buffer.ByteBufInputStream#readInt()

public static WireCommand readFrom(ByteBufInputStream in, int length) throws IOException {
    long requestId = in.readLong();
    String segment = in.readUTF();
    String delegationToken = in.readUTF();
    int suggestedEntryCount = in.readInt();
    int dataLength = in.readInt();

    if (length < dataLength + Long.BYTES + segment.getBytes(UTF_8).length + delegationToken.getBytes(UTF_8).length + 2 * Integer.BYTES ) {
        throw new InvalidMessageException("Was expecting length: " + length + " but found: " + dataLength);
    }

    byte[] continuationToken = new byte[dataLength];
    in.readFully(continuationToken);

    return new ReadTableEntries(requestId, segment, delegationToken, suggestedEntryCount, wrappedBuffer(continuationToken));
}
 

/** Read a UTF8 string that could potentially be larger than 64k<br>
 * The ByteBufInputStream.readUTF() and writeUTF() calls use the first two bytes of the message
 * to encode the length of the string, which limits the string length to 64k.
 * This method gets around that limitation by using a four byte header.
 * @param bbis ByteBufInputStream we are reading from
 * @return the (potentially large) string we read
 * @throws IOException
 */
private String readLargeUTF(ByteBufInputStream bbis) throws IOException
{
    int length = bbis.readInt();
    if (length == 0)
        return "";

    byte[] data = new byte[length];
    int length_read = bbis.read(data, 0, length);
    if (length_read != length)
        throw new IOException("Failed to read whole message");

    return new String(data, "utf-8");
}
 

public static WireCommand readFrom(ByteBufInputStream in, int length) throws IOException {
    String segment = in.readUTF();
    long offset = in.readLong();
    int suggestedLength = in.readInt();
    String delegationToken = in.readUTF();
    long requestId = in.available()  >= Long.BYTES ? in.readLong() : -1L;
    return new ReadSegment(segment, offset, suggestedLength, delegationToken, requestId);
}
 

public static WireCommand readFrom(ByteBufInputStream in, int length) throws IOException {
    long requestId = in.readLong();
    String serverStackTrace = (in.available() > 0) ? in.readUTF() : EMPTY_STACK_TRACE;

    // errorCode is a new field and wasn't present earlier. Doing this to allow it to work with older clients.
    int errorCode = in.available()  >= Integer.BYTES ? in.readInt() : -1;
    return new AuthTokenCheckFailed(requestId, serverStackTrace, ErrorCode.valueOf(errorCode));
}
 

public static WireCommand readFrom(ByteBufInputStream in, int length) throws IOException {
    long requestId = in.readLong();
    String segment = in.readUTF();
    String delegationToken = in.readUTF();
    int suggestedKeyCount = in.readInt();
    int dataLength = in.readInt();

    if (length < dataLength + Long.BYTES + segment.getBytes(UTF_8).length + delegationToken.getBytes(UTF_8).length + 2 * Integer.BYTES) {
        throw new InvalidMessageException("Was expecting length: " + length + " but found: " + dataLength);
    }
    byte[] continuationToken = new byte[dataLength];
    in.readFully(continuationToken);

    return new ReadTableKeys(requestId, segment, delegationToken, suggestedKeyCount, wrappedBuffer(continuationToken));
}
 

public static WireCommand readFrom(ByteBufInputStream in, int length) throws IOException {
    long requestId = in.readLong();
    String segment = in.readUTF();
    String delegationToken = in.readUTF();
    long fromVersion = in.readLong();
    int suggestedEntryCount = in.readInt();

    return new ReadTableEntriesDelta(requestId, segment, delegationToken, fromVersion, suggestedEntryCount);
}
 

@Override
public void decodeInto(ChannelHandlerContext ctx, ByteBuf buffer) throws IOException {
	ByteBufInputStream bis = new ByteBufInputStream(buffer);
	DataInputStream nbt = new DataInputStream(bis);
	entityID = bis.readInt();
	tag = NBTHelper.nbtRead(nbt);
}
 

@Override
public void decodeInto(ChannelHandlerContext ctx, ByteBuf buffer) throws IOException {
	ByteBufInputStream bis = new ByteBufInputStream(buffer);
	DataInputStream nbt = new DataInputStream(bis);
	x = bis.readInt();
	y = bis.readInt();
	z = bis.readInt();
	tag = NBTHelper.nbtRead(nbt);
}