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 **/
019package lucee.runtime.functions.file;
020
021import java.io.IOException;
022
023import lucee.commons.io.res.Resource;
024import lucee.commons.lang.ExceptionUtil;
025import lucee.commons.lang.StringUtil;
026import lucee.runtime.PageContext;
027import lucee.runtime.PageContextImpl;
028import lucee.runtime.exp.PageException;
029import lucee.runtime.op.Caster;
030
031public class FileAppend {
032
033        public static String call(PageContext pc, String path, Object data) throws PageException {
034                return call(pc,path,data,((PageContextImpl)pc).getResourceCharset().name());
035        }
036        
037        public static String call(PageContext pc, String path, Object data,String charset) throws PageException {
038                FileStreamWrapper fsw=null;
039                if(StringUtil.isEmpty(charset,true))
040                        charset=((PageContextImpl)pc).getResourceCharset().name();
041                
042                try {
043                        Resource res = Caster.toResource(pc,path,false);
044                        pc.getConfig().getSecurityManager().checkFileLocation(res);
045                        fsw=new FileStreamWrapperWrite(res,charset,true,false);
046                        fsw.write(data);        
047                } 
048                catch (IOException e) {
049                        throw Caster.toPageException(e);
050                }
051                finally {
052                        closeEL(fsw);
053                }
054                return null;
055        }
056
057        private static void closeEL(FileStreamWrapper fsw) {
058                if(fsw==null)return;
059                try {
060                        fsw.close();
061                } catch (Throwable t) {
062                        ExceptionUtil.rethrowIfNecessary(t);
063                }
064        }
065}