Java File Name Create fileName(String path)

Description

extract a file name from 'path'

License

Apache License

Parameter

Parameter	Description
path	a parameter

Declaration

@SuppressWarnings("PMD")
public static String fileName(String path) 

Method Source Code

//package com.java2s;
/*//from  w ww  . j  ava2s .  c  om
 * Copyright 2002-2012 the original author or authors.
 *
 * 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.
 */

public class Main {
    /**
     * extract a file name from 'path'
     * 
     * @param path
     * @return
     */
    @SuppressWarnings("PMD")
    public static String fileName(String path) {
        path = normalize(path);
        // after normalized, can not be end with '/'.
        return path.substring(path.lastIndexOf('/') + 1);
    }

    /**
     * change path to normized path. it's separator is '/'.
     * 
     * @param path
     * @return path with separated '/'. it is not end with '/'.
     */
    @SuppressWarnings("PMD")
    public static String normalize(String path) {
        if (path == null) {
            return null;
        }

        path = path.replaceAll("\\\\", "/");
        if (!"/".equals(path) && path.endsWith("/")) {
            path = path.substring(0, path.length() - 1);
        }
        return path;
    }
}

Related

1. filename(String filename)
2. fileName(String name)
3. filename(String name)
4. filename(String name, String ext)
5. fileName(String path)
6. fileName(String path)
7. filename(String prefix, String sep, String index)
8. FileName(String[] args)
9. generateFileId(String userlogin)