Java Content Type Get getContentType(File file)

Description

get Content Type

License

Apache License

Declaration

public static String getContentType(File file) throws IOException 

Method Source Code

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

import java.io.File;
import java.io.IOException;
import java.net.URLConnection;

public class Main {
    public static String getContentType(File file) throws IOException {
        String contentType = URLConnection.guessContentTypeFromName(file.getName());
        if (contentType == null || !contentType.startsWith("image/")) {
            throw new IllegalArgumentException(file.getCanonicalPath() + " is not a supported image file.");
        }/* w  ww. j ava2 s.  c  om*/

        return contentType;
    }
}

Related

1. getContentType(File file)
2. getContentType(final File file)
3. getContentType(final String filename)
4. getContentType(String boundary)