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DiskUtils.java

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import java.io.File;

import java.io.FileWriter;

import java.io.BufferedReader;

import java.io.InputStreamReader;

public class DiskUtils {

private DiskUtils() { }

public static String getSerialNumber(String drive) {

String result = "";

try {

File file = File.createTempFile("realhowto",".vbs");

file.deleteOnExit();

FileWriter fw = new java.io.FileWriter(file);

String vbs = "Set objFSO = CreateObject(\"Scripting.FileSystemObject\")\n"

+"Set colDrives = objFSO.Drives\n"

+"Set objDrive = colDrives.item(\"" + drive + "\")\n"

+"Wscript.Echo objDrive.SerialNumber"; // see note

fw.write(vbs);

fw.close();

Process p = Runtime.getRuntime().exec("cscript //NoLogo " + file.getPath());

BufferedReader input =

new BufferedReader

(new InputStreamReader(p.getInputStream()));

String line;

while ((line = input.readLine()) != null) {

result += line;

}

input.close();

}

catch(Exception e){

e.printStackTrace();

}

return result.trim();

}

public static void main(String[] args){

String sn = DiskUtils.getSerialNumber("C");

javax.swing.JOptionPane.showConfirmDialog((java.awt.Component)

null, sn, "Serial Number of C:",

javax.swing.JOptionPane.DEFAULT_OPTION);

}

}