Java Path Relative Get getRelativePath(String path, String base)

Description

get relative path according the give path and base

License

Open Source License

Parameter

Parameter	Description
path	a parameter
base	a parameter

Return

relative path

Declaration

public static String getRelativePath(String path, String base) 

Method Source Code

//package com.java2s;
/*/*ww  w. j a  va2  s  .c  om*/
 * Copyright (C) 2004 Sun Microsystems, Inc. All rights reserved. Use is
 * subject to license terms.
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the Lesser GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 * 
 * This program 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.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA.
 */

import java.io.File;

import java.util.StringTokenizer;

public class Main {
    /**
     * get relative path according the give path and base
     * 
     * @param path 
     * @param base
     * @return relative path
     */
    public static String getRelativePath(String path, String base) {
        if (path == null || base == null)
            return null;
        // On Windows Plaform, change all the path string to lower case
        if (System.getProperty("os.name").toLowerCase()
                .startsWith("windows")) {
            path = path.toLowerCase();
            base = base.toLowerCase();
        }
        if (path.lastIndexOf(base) < 0) {
            int index = path.lastIndexOf("/");
            if (index < 0) {
                return path;
            } else {
                return path.substring(index + 1);
            }
        }
        String relPath = path.substring(path.lastIndexOf(base)
                + base.length());
        StringTokenizer st = new StringTokenizer(relPath, "/", false);
        String nativeRelPath = "";
        while (st.hasMoreTokens()) {
            if (nativeRelPath.length() == 0) {
                nativeRelPath = st.nextToken();
            } else {
                nativeRelPath += File.separator + st.nextToken();
            }
        }

        return nativeRelPath;
    }
}

Related

1. getRelativePath(String basePath, String pathToRelativize)
2. getRelativePath(String fileName, String projFile)
3. getRelativePath(String filePath, String basePath)
4. getRelativePath(String from, String to)
5. getRelativePath(String parent, String child)
6. getRelativePath(String root, String path)
7. getRelativePath(String rootpath, String path)
8. getRelativePath(String source, String target)
9. getRelativePath(String target, String base)