Java URI to Parent URI getParent(URI path)

Description

get Parent

License

Open Source License

Declaration

public static String getParent(URI path) 

Method Source Code

//package com.java2s;
/*/*w  ww  . j a v a2  s .  c om*/
 * The MIT License
 *
 * Copyright 2015 iychoi.
 *
 * 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.net.URI;

public class Main {
    public static String getParent(URI path) {
        return getParent(path.normalize().getPath());
    }

    public static String getParent(String path) {
        // check root
        if (path.equals("/")) {
            return null;
        }

        int lastIdx = path.lastIndexOf("/");
        if (lastIdx > 0) {
            return path.substring(0, lastIdx);
        } else {
            return "/";
        }
    }
}

Related

1. getParams(URI uri)
2. getParent(final URI uri)
3. getParent(URI uri)
4. getParentName(URI uri)
5. getParents(final URI uri)
6. getParentURI(URI uri)