Uncover partition

Question

I’m creating an application that will run from an external hard drive. I have been researching but I haven’t found a way without using too much gambiarra to find the partition where this hard drive was mounted.

My goal is to have a File object that has as its path the root of the partition on which the hard drive is mounted. For example: if the hard drive is mounted on "E: " (in case the OS is Windows), my File object must have this path.

If anyone knows anything that can help me, please respond.

Answer 1

I thought of a "gambiarra" here :p. You could take the full path in which the application is using the method getCanonicalPath of java.io.File, and then filter the char of the partition using the method charAt of java.lang.String. I’ve designed this little example for you to test. Theoretically, it should print the partition on which the application is running.

import java.io.File;
import java.io.IOException;

public class Main {
    public static void main(String[] args) throws IOException {
        String applicationPath = new File(".").getCanonicalPath();
        char partition = applicationPath.charAt(0);
        System.out.println(partition);
    }
}

If you want the partition the operating system is in, just filter through the home folder path (Cross-platform):

char osPartition = System.getProperty("user.home").charAt(0);