Lấy thông tin phần cứng máy tính trong ứng dụng Java

package org.o7planning.hardwareinfo;

public class MyUtility {

    public static String makeVbScript(String vbClassName, String[] propNames) {
        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < propNames.length; i++) {
            if (i < propNames.length - 1) {
                sb.append(propNames[i]).append(",");
            } else {
                sb.append(propNames[i]);
            }
        }
        String colNameString = sb.toString();
        sb.setLength(0);

        sb.append("Set objWMIService = GetObject(\"winmgmts:\\\\.\\root\\cimv2\")").append("\n");
        sb.append("Set colItems = objWMIService.ExecQuery _ ").append("\n");
        sb.append("(\"Select ").append(colNameString).append(" from ").append(vbClassName).append("\") ").append("\n");
        sb.append("For Each objItem in colItems ").append("\n");
        for (String propName : propNames) {
            sb.append("    Wscript.Echo objItem.").append(propName).append("\n");
        }
        sb.append("Next ").append("\n");
        return sb.toString();
    }

}

package org.o7planning.hardwareinfo;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;

public class GetHardwareInfo {

   public static void printComputerSystemProductInfo() {

       String vbClassName = "Win32_ComputerSystemProduct";
       String[] propNames = new String[] { "Name", "UUID", "Vendor", "Version" };

       String vbScript = MyUtility.makeVbScript(vbClassName, propNames);

       System.out.println("----------------------------------------");
       System.out.println(vbScript);
       System.out.println("----------------------------------------");

       try {
           // Tạo một file tạm.
           File file = File.createTempFile("vbsfile", ".vbs");
           System.out.println("Create File: " + file.getAbsolutePath());
           System.out.println("------");
 
           // Ghi nội dung script vào file tạm.
           FileWriter fw = new FileWriter(file);
           fw.write(vbScript);
           fw.close();
 
           // Thực thi file.
           Process p = Runtime.getRuntime().exec("cscript //NoLogo " + file.getPath());
 
           // Tạo một luồng đọc dữ liệu trả về sau khi thực thi file vb script.
           BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));

           Map<String, String> map = new HashMap<String, String>();
           String line;
           int i = 0;
           while ((line = input.readLine()) != null) {
               if (i >= propNames.length) {
                   break;
               }
               String key = propNames[i];
               map.put(key, line);
               i++;
           }
           input.close();
           //
           for (String propName : propNames) {
               System.out.println(propName + " : " + map.get(propName));
           }

       } catch (Exception e) {
           e.printStackTrace();
       }
   }

   public static void main(String[] args) {
       printComputerSystemProductInfo();
   }
 
}