Java File Extension Name Extract getFileExtension(File f)

Description

get File Extension

License

Apache License

Declaration

private static String getFileExtension(File f) 

Method Source Code

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

import java.io.File;

public class Main {
    private static String getFileExtension(File f) {
        String fileName = f.getName();
        String fileExtension = fileName;

        int lastPos = fileName.lastIndexOf('.');

        if (lastPos > 0 && lastPos < (fileName.length() - 1)) {
            fileExtension = fileName.substring(lastPos + 1).toLowerCase();
        }/* w w w.j  ava  2 s.co m*/

        return fileExtension;
    }

    public static String getFileExtension(String f) {
        String fileName = f;
        String fileExtension = fileName;

        int lastPos = fileName.lastIndexOf('.');

        if (lastPos > 0 && lastPos < (fileName.length() - 1)) {
            fileExtension = fileName.substring(lastPos + 1).toLowerCase();
        }

        return fileExtension;
    }
}

Related

1. extractFileExtension(String filename)
2. extractFileExtension(String fileName)
3. extractFileExtension(String filePath)
4. extractFileExtension(String path)
5. extractFileExtensionFromPath(String path)
6. getFileExtension(File file)
7. getFileExtension(File file)
8. getFileExtension(File file)
9. getFileExtension(File file)