46 lines
1.4 KiB
Java
46 lines
1.4 KiB
Java
// files/FileSystemDemo.java
|
|
// (c)2021 MindView LLC: see Copyright.txt
|
|
// We make no guarantees that this code is fit for any purpose.
|
|
// Visit http://OnJava8.com for more book information.
|
|
import java.nio.file.*;
|
|
|
|
public class FileSystemDemo {
|
|
static void show(String id, Object o) {
|
|
System.out.println(id + ": " + o);
|
|
}
|
|
public static void main(String[] args) {
|
|
System.out.println(System.getProperty("os.name"));
|
|
FileSystem fsys = FileSystems.getDefault();
|
|
for(FileStore fs : fsys.getFileStores())
|
|
show("File Store", fs);
|
|
for(Path rd : fsys.getRootDirectories())
|
|
show("Root Directory", rd);
|
|
show("Separator", fsys.getSeparator());
|
|
show("UserPrincipalLookupService",
|
|
fsys.getUserPrincipalLookupService());
|
|
show("isOpen", fsys.isOpen());
|
|
show("isReadOnly", fsys.isReadOnly());
|
|
show("FileSystemProvider", fsys.provider());
|
|
show("File Attribute Views",
|
|
fsys.supportedFileAttributeViews());
|
|
}
|
|
}
|
|
/* Output:
|
|
Windows 8.1
|
|
File Store: (C:)
|
|
File Store: System Reserved (E:)
|
|
File Store: (F:)
|
|
Root Directory: C:\
|
|
Root Directory: D:\
|
|
Root Directory: E:\
|
|
Root Directory: F:\
|
|
Separator: \
|
|
UserPrincipalLookupService:
|
|
sun.nio.fs.WindowsFileSystem$LookupService$1@19e0bfd
|
|
isOpen: true
|
|
isReadOnly: false
|
|
FileSystemProvider:
|
|
sun.nio.fs.WindowsFileSystemProvider@139a55
|
|
File Attribute Views: [owner, dos, acl, basic, user]
|
|
*/
|