001/**
002 *
003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either 
008 * version 2.1 of the License, or (at your option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013 * Lesser General Public License for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public 
016 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
017 * 
018 **/
019/**
020 * Implements the CFML Function getdirectoryfrompath
021 */
022package lucee.runtime.functions.system;
023
024import java.io.File;
025
026import lucee.runtime.PageContext;
027import lucee.runtime.ext.function.Function;
028
029public final class GetDirectoryFromPath implements Function {
030        public static String call(PageContext pc , String path) {
031                return invoke(path);
032        }
033        
034        public static String invoke(String path) {
035                int posOfLastDel = path.lastIndexOf('/');
036                String parent = "";
037                
038                if(path.lastIndexOf('\\') > posOfLastDel)
039                        posOfLastDel = path.lastIndexOf("\\");
040                if(posOfLastDel != -1)
041                        parent = path.substring(0, posOfLastDel + 1);
042                else
043                if(path.equals(".") || path.equals(".."))
044                        parent = String.valueOf(File.separatorChar);
045                else if(path.startsWith("."))
046                        parent = String.valueOf(File.separatorChar);
047                else
048                        parent = String.valueOf(File.separatorChar);
049                return parent;
050        }
051}