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 gettempfile
021 */
022package lucee.runtime.functions.system;
023
024import java.io.IOException;
025
026import lucee.commons.io.res.Resource;
027import lucee.commons.io.res.util.ResourceUtil;
028import lucee.runtime.PageContext;
029import lucee.runtime.exp.ExpressionException;
030import lucee.runtime.exp.PageException;
031import lucee.runtime.ext.function.Function;
032import lucee.runtime.op.Caster;
033
034public final class GetTempFile implements Function {
035        public static String call(PageContext pc , String strDir, String prefix) throws PageException {
036            Resource dir = ResourceUtil.toResourceExisting(pc, strDir);
037        pc.getConfig().getSecurityManager().checkFileLocation(dir);
038            if(!dir.isDirectory()) throw new ExpressionException(strDir+" is not a directory");
039            int count=1;
040            Resource file;
041            while((file=dir.getRealResource(prefix+pc.getId()+count+".tmp")).exists()) {
042                count++;
043            }
044            try {
045                file.createFile(false);
046            //file.createNewFile();
047            return file.getCanonicalPath();
048        } 
049            catch (IOException e) {
050            throw Caster.toPageException(e);
051        }
052        }
053}