Java Netty能否在邮件中拆分字段?
Netty可以将网络数据包拆分为单独的消息,但它可以拆分消息中的字段吗Java Netty能否在邮件中拆分字段?,java,netty,Java,Netty,Netty可以将网络数据包拆分为单独的消息,但它可以拆分消息中的字段吗 message delimeter = "\r\n" field delimiter = "," example network packet = "A,B,C\r\nD,E,F\r\n" 示例代码: val delimiterDecoder = new DelimiterBasedFrameDecoder(Integer.MAX_VALUE, Delimiters.lineDelimiter().apply(0))
message delimeter = "\r\n"
field delimiter = ","
example network packet = "A,B,C\r\nD,E,F\r\n"
示例代码:
val delimiterDecoder = new DelimiterBasedFrameDecoder(Integer.MAX_VALUE, Delimiters.lineDelimiter().apply(0))
val bootstrap = new Bootstrap
bootstrap.group(new OioEventLoopGroup())
.channel(classOf[OioSocketChannel])
.handler(new ChannelInitializer[SocketChannel]() {
override def initChannel(channel: SocketChannel): Unit = {
channel.pipeline().addLast(delimiterDecoder)
channel.pipeline().addLast(new StringDecoder(CharsetUtil.US_ASCII))
channel.pipeline().addLast(new SimpleChannelInboundHandler[String] {
override def messageReceived(channelHandlerContext: ChannelHandlerContext, message: String): Unit = {
// Can Netty do this instead of using Guava?
val message = Splitter.on(',').split(buffer).iterator()
}
})
}
})
简单的回答是不。。。您可以做的是添加两个DelimiterBaseFrameDecoder解码器。。第一个拆分在“\r\n”上,第二个拆分在“,”上。Netty甚至不知道消息是什么,更不用说消息中的字段了。@EJP帧比消息更好。建议的方法的问题是应用程序级处理过于复杂。考虑到这一点,我接受了你的回答。