Как получить тип файла в Java?

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11

import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

public class Main {
  public static void main(String[] args) throws Exception {
    Path filePath = Paths.get("/path/to/file.txt");
    String mimeType = Files.probeContentType(filePath);
    System.out.println(mimeType); // "text/plain"
  }
}

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

public class FileTypeExample {
    public static void main(String[] args) {
        String filePath = "path_to_your_file";
        
        File file = new File(filePath);
        
        try {
            String fileType = Files.probeContentType(Paths.get(file.getAbsolutePath()));
            System.out.println("File type: " + fileType);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}