SystemInfo.java

package org.hepx.jgt.common.sys;

import javax.servlet.http.HttpServletRequest;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Date;
import java.util.Formatter;
import java.util.Locale;
import java.util.Properties;

/**
 * 系统信息
 *
 * @author: Koala
 * @Date: 14-8-22 下午6:12
 * @Version: 1.0
 */
public class SystemInfo {
    /**
     * 系统名
     */
    private String os_name;
    /**
     * 系统架构
     */
    private String os_arch;
    /**
     * 系统版本号
     */
    private String os_version;
    /**
     * 系统IP
     */
    private String os_ip;
    /**
     * 系统MAC地址
     */
    private String os_mac;
    /**
     * 系统时间
     */
    private Date os_date;
    /**
     * 系统CPU个数
     */
    private Integer os_cpus;

    /**
     * 虚拟机内存总量
     */
    private Long jvm_totalMemory;
    /**
     * 虚拟机空闲内存量
     */
    private Long jvm_freeMemory;
    /**
     * 虚拟机使用最大内存量
     */
    private Long jvm_maxMemory;
    /**
     * 系统用户名
     */
    private String os_user_name;
    /**
     * 用户的当前工作目录
     */
    private String os_user_dir;
    /**
     * 用户的主目录
     */
    private String os_user_home;

    /**
     * Java的运行环境版本
     */
    private String java_version;
    /**
     * java默认的临时文件路径
     */
    private String java_io_tmpdir;

    /**
     * java 平台
     */
    private String sun_desktop;

    /**
     * 文件分隔符  在 unix 系统中是＂／＂
     */
    private String file_separator;
    /**
     * 路径分隔符  在 unix 系统中是＂:＂
     */
    private String path_separator;
    /**
     * 行分隔符   在 unix 系统中是＂/n＂
     */
    private String line_separator;

    /**
     * 服务context*
     */
    private String server_context;
    /**
     * 服务器名
     */
    private String server_name;
    /**
     * 服务器端口
     */
    private Integer server_port;
    /**
     * 服务器地址
     */
    private String server_addr;
    /**
     * 获得客户端电脑的名字，若失败，则返回客户端电脑的ip地址
     */
    private String server_host;
    /**
     * 服务协议
     */
    private String server_protocol;

    private static SystemInfo SYSTEMINFO;


    public static SystemInfo getInstance() {
        if (SYSTEMINFO == null) {
            SYSTEMINFO = new SystemInfo();
        }
        return SYSTEMINFO;
    }


    public static SystemInfo getInstance(HttpServletRequest request) {
        if (SYSTEMINFO == null) {
            SYSTEMINFO = new SystemInfo(request);
        } else {
            SYSTEMINFO.ServerInfo(request);
        }
        return SYSTEMINFO;
    }

    private SystemInfo() {
        super();
        init();
    }

    private SystemInfo(HttpServletRequest request) {
        super();
        init();
        /**
         * 额外信息
         */
        ServerInfo(request);
    }

    /**
     * 初始化基本属性
     */
    private void init() {
        Properties props = System.getProperties();

        this.java_version = props.getProperty("java.version");
        this.java_io_tmpdir = props.getProperty("java.io.tmpdir");
        this.os_name = props.getProperty("os.name");
        this.os_arch = props.getProperty("os.arch");
        this.os_version = props.getProperty("os.version");
        this.file_separator = props.getProperty("file.separator");
        this.path_separator = props.getProperty("path.separator");
        this.line_separator = props.getProperty("line.separator");

        this.os_user_name = props.getProperty("user.name");
        this.os_user_home = props.getProperty("user.home");
        this.os_user_dir = props.getProperty("user.dir");

        this.sun_desktop = props.getProperty("sun.desktop");

        this.os_date = new Date();

        this.os_cpus = Runtime.getRuntime().availableProcessors();

        this.jvm_totalMemory = Runtime.getRuntime().totalMemory();
        this.jvm_freeMemory = Runtime.getRuntime().freeMemory();
        this.jvm_maxMemory = Runtime.getRuntime().maxMemory();


        try {
            ipMac();
        } catch (Exception e) {
            this.os_ip = "";
            this.os_mac = "";
        }
    }

    /**
     * 获取ip和mac地址
     *
     * @throws Exception
     */
    @SuppressWarnings("resource")
    private void ipMac() throws Exception {
        InetAddress address = InetAddress.getLocalHost();
        NetworkInterface ni = NetworkInterface.getByInetAddress(address);
        ni.getInetAddresses().nextElement().getAddress();
        byte[] mac = ni.getHardwareAddress();
        String sIP = address.getHostAddress();
        String sMAC = "";
        Formatter formatter = new Formatter();
        for (int i = 0; i < mac.length; i++) {
            sMAC = formatter.format(Locale.getDefault(), "%02X%s", mac[i],
                    (i < mac.length - 1) ? "-" : "").toString();

        }
        SystemInfo.this.os_ip = sIP;
        SystemInfo.this.os_mac = sMAC;
    }

    /**
     * 获取服务器信息
     *
     * @param request
     */
    public void ServerInfo(HttpServletRequest request) {
        this.server_name = request.getServerName();
        this.server_port = request.getServerPort();
        this.server_addr = request.getRemoteAddr();
        this.server_host = request.getRemoteHost();
        this.server_protocol = request.getProtocol();
        this.server_context = request.getContextPath();
    }

    public String getOs_name() {
        return os_name;
    }

    public String getOs_arch() {
        return os_arch;
    }

    public String gOss_version() {
        return os_version;
    }

    public String getOs_ip() {
        return os_ip;
    }

    public String getOs_mac() {
        return os_mac;
    }

    public Date getOs_date() {
        return os_date;
    }

    public Integer getOs_cpus() {
        return os_cpus;
    }

    public String getOs_user_name() {
        return os_user_name;
    }

    public String getOs_user_dir() {
        return os_user_dir;
    }

    public String getOs_user_home() {
        return os_user_home;
    }

    public String getJava_version() {
        return java_version;
    }

    public String getJava_io_tmpdir() {
        return java_io_tmpdir;
    }

    public String getSun_desktop() {
        return sun_desktop;
    }

    public String getFile_separator() {
        return file_separator;
    }

    public String getPath_separator() {
        return path_separator;
    }

    public String getLine_separator() {
        return line_separator;
    }

    public String getServer_context() {
        return server_context;
    }

    public String getServer_name() {
        return server_name;
    }

    public Integer getServer_port() {
        return server_port;
    }

    public String getServer_addr() {
        return server_addr;
    }

    public String getServer_host() {
        return server_host;
    }

    public String getServer_protocol() {
        return server_protocol;
    }

    public String getOs_version() {
        return os_version;
    }

    public Long getJvm_totalMemory() {
        return jvm_totalMemory;
    }

    public Long getJvm_freeMemory() {
        return jvm_freeMemory;
    }

    public Long getJvm_maxMemory() {
        return jvm_maxMemory;
    }

    @Override
    public String toString() {
        return "SystemInfo{" +
                "os_name='" + os_name + '\'' +
                ", os_arch='" + os_arch + '\'' +
                ", os_version='" + os_version + '\'' +
                ", os_ip='" + os_ip + '\'' +
                ", os_mac='" + os_mac + '\'' +
                ", os_date=" + os_date +
                ", os_cpus=" + os_cpus +
                ", jvm_totalMemory=" + jvm_totalMemory +
                ", jvm_freeMemory=" + jvm_freeMemory +
                ", jvm_maxMemory=" + jvm_maxMemory +
                ", os_user_name='" + os_user_name + '\'' +
                ", os_user_dir='" + os_user_dir + '\'' +
                ", os_user_home='" + os_user_home + '\'' +
                ", java_version='" + java_version + '\'' +
                ", java_io_tmpdir='" + java_io_tmpdir + '\'' +
                ", sun_desktop='" + sun_desktop + '\'' +
                ", file_separator='" + file_separator + '\'' +
                ", path_separator='" + path_separator + '\'' +
                ", line_separator='" + line_separator + '\'' +
                ", server_context='" + server_context + '\'' +
                ", server_name='" + server_name + '\'' +
                ", server_port=" + server_port +
                ", server_addr='" + server_addr + '\'' +
                ", server_host='" + server_host + '\'' +
                ", server_protocol='" + server_protocol + '\'' +
                '}';
    }
}