OnJava8-Examples/files/PathAnalysis.java

// files/PathAnalysis.java
// (c)2017 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.*;
import java.io.IOException;

public class PathAnalysis {
  static void say(String id, Object result) {
    System.out.print(id + ": ");
    System.out.println(result);
  }
  public static void
  main(String[] args) throws IOException {
    System.out.println(System.getProperty("os.name"));
    Path p =
      Paths.get("PathAnalysis.java").toAbsolutePath();
    say("Exists", Files.exists(p));
    say("Directory", Files.isDirectory(p));
    say("Executable", Files.isExecutable(p));
    say("Readable", Files.isReadable(p));
    say("RegularFile", Files.isRegularFile(p));
    say("Writable", Files.isWritable(p));
    say("notExists", Files.notExists(p));
    say("Hidden", Files.isHidden(p));
    say("size", Files.size(p));
    say("FileStore", Files.getFileStore(p));
    say("LastModified: ", Files.getLastModifiedTime(p));
    say("Owner", Files.getOwner(p));
    say("ContentType", Files.probeContentType(p));
    say("SymbolicLink", Files.isSymbolicLink(p));
    if(Files.isSymbolicLink(p))
      say("SymbolicLink", Files.readSymbolicLink(p));
    if(FileSystems.getDefault()
       .supportedFileAttributeViews().contains("posix"))
      say("PosixFilePermissions",
        Files.getPosixFilePermissions(p));
  }
}
/* Output:
Windows 10
Exists: true
Directory: false
Executable: true
Readable: true
RegularFile: true
Writable: true
notExists: false
Hidden: false
size: 1630
FileStore: Teenyverse (C:)
LastModified: : 2017-05-02T21:19:06.828604Z
Owner: TEENYVERSE\bruce (User)
ContentType: null
SymbolicLink: false
*/