Java Path File Extention nio getFileExtension(final Path file)

Description

get File Extension

License

Open Source License

Declaration

public static String getFileExtension(final Path file) 

Method Source Code

//package com.java2s;
/*/*  w  w  w.  ja  v a  2s  .co  m*/
========================================================================
SchemaCrawler
http://www.schemacrawler.com
Copyright (c) 2000-2017, Sualeh Fatehi <sualeh@hotmail.com>.
All rights reserved.
------------------------------------------------------------------------
    
SchemaCrawler is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    
SchemaCrawler and the accompanying materials are made available under
the terms of the Eclipse Public License v1.0, GNU General Public License
v3 or GNU Lesser General Public License v3.
    
You may elect to redistribute this code under any of these licenses.
    
The Eclipse Public License is available at:
http://www.eclipse.org/legal/epl-v10.html
    
The GNU General Public License v3 and the GNU Lesser General Public
License v3 are available at:
http://www.gnu.org/licenses/
    
========================================================================
*/

import java.nio.file.Path;

public class Main {
    public static String getFileExtension(final Path file) {
        if (file == null) {
            return "";
        } else {
            final String fileName = file.toString();
            return getFileExtension(fileName == null ? "" : fileName);
        }
    }

    public static String getFileExtension(final String fileName) {
        final String ext;
        if (fileName != null) {
            ext = fileName.lastIndexOf('.') == -1 ? ""
                    : fileName.substring(fileName.lastIndexOf('.') + 1, fileName.length());
        } else {
            ext = "";
        }
        return ext;
    }
}

Related

1. findFilesWithExtension(Path directory, String targetExtension)
2. getAllPaths(Path root, final String... extensions)
3. getExtension(final Path path)
4. getExtension(Path file)
5. getExtension(Path path)
6. getFileExtension(final Path path)
7. getFileExtension(Path file)
8. getFileextension(Path path)
9. getFileExtension(Path path)