Java File Extension Name Get getFileExtension(String filePath)

Description

get File Extension

License

Apache License

Declaration

public static String getFileExtension(String filePath) 

Method Source Code

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

import java.io.File;

public class Main {
    public static String getFileExtension(String filePath) {
        if (filePath == null || filePath.trim().length() == 0) {
            return filePath;
        }//from w ww.  jav  a2 s .  c o  m

        int extenPosi = filePath.lastIndexOf(".");
        int filePosi = filePath.lastIndexOf(File.separator);
        if (extenPosi == -1) {
            return "";
        }
        return (filePosi >= extenPosi) ? "" : filePath.substring(extenPosi + 1);
    }
}

Related

1. getFileExtension(String filename)
2. getFileExtension(String fileName)
3. getFileExtension(String fileName)
4. getFileExtension(String fileName)
5. getFileExtension(String filePath)
6. getFileExtension(String filePath)
7. GetFileExtension(String fname)
8. getFileExtension(String name)
9. GetFileExtension(String path)