Java File Mime Type getImageType(File file)

Description

get Image Type

License

Apache License

Declaration

public static String getImageType(File file) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.File;

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

import java.util.HashMap;

public class Main {
    private static HashMap<String, String> custommimetypes = new HashMap<String, String>();

    public static String getImageType(File file) {
        return getFileType(file).split("/")[1];
    }/*from  ww  w .ja  va2 s. c o m*/

    public static String getFileType(File file) {
        String extension = getExtension(file.getName());
        if (custommimetypes.containsKey(extension))
            return custommimetypes.get(extension);
        try {
            String content = Files.probeContentType(file.toPath());
            if (content != null)
                return content;
            else
                return "application/octet-stream";
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "text/plain";
    }

    public static String getExtension(String filename) {
        if (filename.contains(".")) {
            return filename.substring(filename.lastIndexOf(".") + 1).toLowerCase();
        } else {
            return "";
        }
    }
}

Related

1. detectFileType(String location)
2. getFileType(String fileName)
3. getMime(File file)
4. getMimeType(File file)
5. getMimeType(String fileName)
6. getType(File file)