cn.hutool.socket.nio.NioClient Maven / Gradle / Ivy
package cn.hutool.socket.nio;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.SocketChannel;
import cn.hutool.core.io.IORuntimeException;
/**
* NIO客户端
*
* @author looly
* @since 4.4.5
*/
public class NioClient {
private SocketChannel channel;
/**
* 构造
*
* @param host 服务器地址
* @param port 端口
*/
public NioClient(String host, int port) {
init(new InetSocketAddress(host, port));
}
/**
* 构造
*
* @param address 服务器地址
*/
public NioClient(InetSocketAddress address) {
init(address);
}
/**
* 初始化
*
* @param address 地址和端口
* @return this
*/
public NioClient init(InetSocketAddress address) {
try {
this.channel = SocketChannel.open(address);
} catch (IOException e) {
throw new IORuntimeException(e);
}
return this;
}
/**
* 处理读事件
* 当收到读取准备就绪的信号后，回调此方法，用户可读取从客户端传世来的消息
*
* @param buffer 服务端数据存储缓存
*/
public NioClient read(ByteBuffer buffer) {
try {
this.channel.read(buffer);
} catch (IOException e) {
throw new IORuntimeException(e);
}
return this;
}
/**
* 实现写逻辑
* 当收到写出准备就绪的信号后，回调此方法，用户可向客户端发送消息
*
* @param datas 发送的数据
*/
public NioClient write(ByteBuffer... datas) {
try {
this.channel.write(datas);
} catch (IOException e) {
throw new IORuntimeException(e);
}
return this;
}
}