com.neko233.toolchain.metrics.host.HostInfo Maven / Gradle / Ivy

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package com.neko233.toolchain.metrics.host;


import com.neko233.toolchain.common.base.StringUtils233;
import com.neko233.toolchain.common.network.NetUtils233;

import java.io.Serializable;
import java.net.InetAddress;

/**
 * 当前主机的信息。
 */
public class HostInfo implements Serializable {

    private static final long serialVersionUID = 1L;

    private final String HOST_NAME;
    private final String HOST_ADDRESS;

    public HostInfo() {
        final InetAddress localhost = NetUtils233.getLocalhost();
        if (null != localhost) {
            HOST_NAME = localhost.getHostName();
            HOST_ADDRESS = localhost.getHostAddress();
        } else {
            HOST_NAME = null;
            HOST_ADDRESS = null;
        }
    }

    /**
     * 取得当前主机的名称。
     *
     * 
     * 例如："webserver1"
     * 
     *
     * @return 主机名
     */
    public final String getName() {
        return HOST_NAME;
    }

    /**
     * 取得当前主机的地址。
     *
     * 
     * 例如："192.168.0.1"
     * 
     *
     * @return 主机地址
     */
    public final String getAddress() {
        return HOST_ADDRESS;
    }

    /**
     * 将当前主机的信息转换成字符串。
     *
     * @return 主机信息的字符串表示
     */
    @Override
    public final String toString() {
        StringBuilder builder = new StringBuilder();

        StringUtils233.appendByPrintStyle(builder, "Host Name:    ", getName());
        StringUtils233.appendByPrintStyle(builder, "Host Address: ", getAddress());

        return builder.toString();
    }

}