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whyclj

2019-02-19 76ad368d8977602e6d8de689ddc7c3d595fb173b

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package com.backup; 
 
import java.io.*; 
 
public class RegQuery { 
 
    private static final String REGQUERY_UTIL = "reg query "; 
    private static final String REGSTR_TOKEN = "REG_SZ"; 
    private static final String REGDWORD_TOKEN = "REG_DWORD"; 
 
    private static final String PERSONAL_FOLDER_CMD = REGQUERY_UTIL 
            + "\"HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\" + "Explorer\\Shell Folders\" /v Personal"; 
    private static final String CPU_SPEED_CMD = REGQUERY_UTIL 
            + "\"HKLM\\HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0\"" + " /v ~MHz"; 
    private static final String CPU_NAME_CMD = REGQUERY_UTIL 
            + "\"HKLM\\HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0\"" + " /v ProcessorNameString"; 
    private static final String HTTP_DEFAULT_BROWSERURI = REGQUERY_UTIL 
            + "\"HKEY_CLASSES_ROOT\\http\\shell\\open\\command\"" + "";// http\\shell\\open\\ddeexec\\Topic 
    private static final String HTTP_DEFAULT_BROWSERNAME = REGQUERY_UTIL 
            + "\"HkEY_CLASSES_ROOT\\http\\shell\\open\\ddeexec\\Topic\"" + ""; 
 
    private static final String MYSQL_SETUP_PATH = REGQUERY_UTIL 
            + "\"HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\BMS_FBSDEV\\Parameters\"" + ""; 
 
    public static String getCurrentUserPersonalFolderPath() { 
        try { 
            Process process = Runtime.getRuntime().exec(MYSQL_SETUP_PATH); 
            StreamReader reader = new StreamReader(process.getInputStream()); 
 
            reader.start(); 
            process.waitFor(); 
            reader.join(); 
 
            String result = reader.getResult(); 
            System.out.println(result + "****"); 
            int p = result.indexOf(REGSTR_TOKEN); 
 
            if (p == -1) 
                return null; 
 
            return result.substring(p + REGSTR_TOKEN.length()).trim(); 
        } catch (Exception e) { 
            return null; 
        } 
    } 
 
    public static String getCPUSpeed() { 
        try { 
            Process process = Runtime.getRuntime().exec(CPU_SPEED_CMD); 
            StreamReader reader = new StreamReader(process.getInputStream()); 
 
            reader.start(); 
            process.waitFor(); 
            reader.join(); 
 
            String result = reader.getResult(); 
            int p = result.indexOf(REGDWORD_TOKEN); 
 
            if (p == -1) 
                return null; 
 
            // CPU speed in Mhz (minus 1) in HEX notation, convert it to DEC 
            String temp = result.substring(p + REGDWORD_TOKEN.length()).trim(); 
            return Integer.toString((Integer.parseInt(temp.substring("0x".length()), 16) + 1)); 
        } catch (Exception e) { 
            return null; 
        } 
    } 
 
    public static String getCPUName() { 
        try { 
 
            Process process = Runtime.getRuntime().exec(HTTP_DEFAULT_BROWSERURI); 
            StreamReader reader = new StreamReader(process.getInputStream()); 
 
            reader.start(); 
            process.waitFor(); 
            reader.join(); 
 
            String result = reader.getResult(); 
            int p = result.indexOf(REGSTR_TOKEN); 
 
            if (p == -1) 
                return null; 
 
            return result.substring(p + REGSTR_TOKEN.length()).trim(); 
        } catch (Exception e) { 
            return null; 
        } 
    } 
 
    static class StreamReader extends Thread { 
        private InputStream is; 
        private StringWriter sw; 
 
        StreamReader(InputStream is) { 
            this.is = is; 
            sw = new StringWriter(); 
        } 
 
        public void run() { 
            try { 
                int c; 
                while ((c = is.read()) != -1) 
                    sw.write(c); 
            } catch (IOException e) { 
                ; 
            } 
        } 
 
        String getResult() { 
            return sw.toString(); 
        } 
    } 
 
    public static void main(String s[]) { 
        System.out.println("Personal directory : " + getCurrentUserPersonalFolderPath()); 
        // System.out.println("CPU Name : " + getCPUName()); 
        // System.out.println("CPU Speed : " + getCPUSpeed() + " Mhz"); 
    } 
}