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 urlencodedformat
021 */
022package lucee.runtime.functions.other;
023
024import java.io.UnsupportedEncodingException;
025
026import lucee.commons.lang.ExceptionUtil;
027import lucee.commons.lang.StringUtil;
028import lucee.commons.lang.URLEncoder;
029import lucee.runtime.PageContext;
030import lucee.runtime.exp.PageException;
031import lucee.runtime.ext.function.Function;
032import lucee.runtime.net.http.ReqRspUtil;
033import lucee.runtime.op.Caster;
034
035public final class URLEncodedFormat implements Function {
036        
037        private static final long serialVersionUID = 5640029138134769481L;
038
039        public static String call(PageContext pc , String str) throws PageException {
040                return call(pc,str, "UTF-8",true);
041        }
042        
043
044        public static String call(PageContext pc , String str, String encoding) throws PageException {
045                return call(pc,str, encoding,true);
046        }
047
048        public static String call(PageContext pc , String str, String encoding,boolean force) throws PageException {
049                return invoke(str, encoding, force);
050        }
051        
052        public static String invoke(String str, String encoding,boolean force) throws PageException {
053                if(!force && !ReqRspUtil.needEncoding(str,false))
054                        return str;
055                
056                try {
057                        String enc=lucee.commons.net.URLEncoder.encode(str, encoding);
058                        return StringUtil.replace(StringUtil.replace(StringUtil.replace(StringUtil.replace(StringUtil.replace(enc, "+", "%20", false), "*", "%2A", false), "-", "%2D", false), ".", "%2E", false), "_", "%5F", false);// TODO do better
059                        //return enc;
060                } 
061                catch (Throwable t) {
062                        ExceptionUtil.rethrowIfNecessary(t);
063                        try {
064                                return URLEncoder.encode(str, encoding);
065                        } 
066                        catch (UnsupportedEncodingException e) {
067                                throw Caster.toPageException(e);
068                        }
069                }
070        }
071        
072}