Java Parent Path Get getParentPathname(String pathname)

Description

Returns the parent of pathname

License

Open Source License

Declaration

public static String getParentPathname(String pathname) 

Method Source Code

//package com.java2s;
/*// w w w. ja v a 2s.c om
 * The MIT License (MIT)
 * 
 * Copyright (c) 2010 Technische Universitaet Berlin
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

import java.io.File;

public class Main {
    /**
     * Returns the parent of <code>pathname</code>
     */

    public static String getParentPathname(String pathname) {
        return getAncestorPathname(pathname, 1);
    }

    /**
     * Returns the <code>count</code>th ancestor of <code>pathname</code>
     */

    public static String getAncestorPathname(String pathname, int count) {
        if (count < 0)
            throw new IllegalArgumentException("getAncestorPathname: negative count value: " + count);
        String ancestorName = new String(pathname);
        for (int i = 0; (i < count) && (ancestorName != null); i++)
            ancestorName = (new File(ancestorName)).getParent();
        return ancestorName;
    }
}

Related

1. getParentPath(String filePath)
2. getParentPath(String fullpath)
3. getParentPath(String path)
4. getParentPath(String path)
5. getParentPathAndName(String path, StringBuilder parent)