Android Path Search searchFilePath(String fileName)

Description

Search an absolute file path from current working directory recursively.

License

Open Source License

Parameter

Parameter	Description
fileName	file name to search.

Return

an absolute file path.

Declaration

public static String searchFilePath(String fileName) 

Method Source Code

//package com.java2s;
/*/*from w ww.j  a  va  2  s .  c  om*/
 *   casmi
 *   http://casmi.github.com/
 *   Copyright (C) 2011, Xcoo, Inc.
 *
 *  casmi is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    /**
     * Search an absolute file path from current working directory recursively.
     *
     * @param fileName file name to search.
     * @return an absolute file path.
     */
    public static String searchFilePath(String fileName) {
        java.io.File dir = new java.io.File(System.getProperty("user.dir"));
        return recursiveSearch(dir, fileName);
    }

    /**
     * Recursive method for searching file path.
     *
     * @param dir
     * @param fileName
     * @return
     */
    private static String recursiveSearch(java.io.File dir, String fileName) {
        for (String name : dir.list()) {
            java.io.File file = new java.io.File(dir.getAbsolutePath()
                    + "/" + name);
            if (name.compareTo(fileName) == 0)
                return file.getAbsolutePath();
            if (file.isDirectory()) {
                String filePath = recursiveSearch(file, fileName);
                if (filePath != null)
                    return filePath;
            }
        }

        return null;
    }
}