Android File Extension Name Get getExtension(String file)

Description

get Extension

License

Apache License

Declaration

public static String getExtension(String file) 

Method Source Code

//package com.java2s;
/*//from   w w w  .ja  v  a 2  s.  com
 Copyright (c) 2012 IBM Corp.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

import java.io.*;

public class Main {
    public static String getExtension(String file) {
        int extPos = file.lastIndexOf('.');
        if (extPos != -1 && extPos > file.indexOf(File.separatorChar)) {
            return file.substring(extPos);
        }
        return "";
    }
}

Related

1. changeExtension(File file, String extensionNew)
2. getExtension(File file)
3. getExtension(File file)
4. getExtension(File file, boolean useFirstPeriod, boolean includePeriod)
5. getExtension(String filename)
6. getExtensionName(String fileName)
7. getFileEx(String filePath)
8. getFileExt(String fileFullName)