Files getFileStore() method in Java with Examples

getFileStore() method of java.nio.file.Files help us to return the FileStore object which represents the file store where a file is located. Once you get a reference to the FileStore you can apply fileStrore type of operation to get information of filestore.

Syntax:

public static FileStore
  getFileStore(Path path)
    throws IOException

Parameters: This method accepts a parameter path which is the path to the file to get FileStore.



Return value: This method returns the file store where the file is stored.

Exception: This method will throw following exceptions:

  1. IOException: if an I/O error occurs
  2. SecurityException: In the case of the default provider, and a security manager is installed, the SecurityManager.checkgetFileStore(String) method is invoked to check to getFileStore access to the file

Below programs illustrate getFileStore(Path) method:
Program 1:

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// Java program to demonstrate
// Files.getFileStore() method
  
import java.io.IOException;
import java.nio.file.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create object of Path
        Path path
            = Paths.get(
                "D:\\Work\\Test\\file1.txt");
  
        // get FileStore object
        try {
  
            FileStore fs
                = Files.getFileStore(path);
  
            // print FileStore name and block size
            System.out.println("FileStore Name: "
                               + fs.name());
            System.out.println("FileStore BlockSize: "
                               + fs.getBlockSize());
        }
        catch (IOException e) {
  
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

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Output:

Program 2:

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// Java program to demonstrate
// Files.getFileStore() method
  
import java.io.IOException;
import java.nio.file.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create object of Path
        Path path = Paths.get("C:\\data\\db");
  
        // get FileStore object
        try {
  
            FileStore fs
                = Files.getFileStore(path);
  
            // print FileStore details
            System.out.println("FileStore:"
                               + fs.toString());
            System.out.println("FileStore Free Space: "
                               + fs.getUnallocatedSpace()
                               + " Bytes");
        }
        catch (IOException e) {
  
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

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Output:

Reference: https://docs.oracle.com/javase/10/docs/api/java/nio/file/Files.html#getFileStore(java.nio.file.Path)

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