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Java IO & NIO - Files.probeContentType() Examples

Java IO & NIO Java Java API 

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Class:

java.nio.file.Files

java.lang.Objectjava.lang.Objectjava.nio.file.Filesjava.nio.file.FilesLogicBig

Method:

public static String probeContentType(Path path)
                               throws IOException

This method uses the installed FileTypeDetector implementations to probe the given file to determine its content type.

Parameters:
path - the path to the file to probe
Returns:
The content type of the file, or null if the content type cannot be determined


Examples


package com.logicbig.example.files;

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

public class ProbeContentTypeExample {

    public static void main(String... args) throws IOException {
        Path path = Files.createTempFile("test-file", ".txt");
        System.out.println("Probe Content Type for file: " + path);
        String type = Files.probeContentType(path);
        System.out.println("File Content type: " + type);

        path = Files.createTempFile("test-file", ".html");
        System.out.println("Probe Content Type for file: " + path);
        type = Files.probeContentType(path);
        System.out.println("File Content type: " + type);
    }
}

Output

Probe Content Type for file: C:\Users\Joe\AppData\Local\Temp\test-file5673809405755370146.txt
File Content type: text/plain
Probe Content Type for file: C:\Users\Joe\AppData\Local\Temp\test-file14702966924326758655.html
File Content type: text/html

See Also