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.s3;
020
021import lucee.commons.io.res.Resource;
022import lucee.commons.io.res.ResourceProvider;
023import lucee.commons.io.res.type.s3.S3Resource;
024import lucee.commons.io.res.util.ResourceUtil;
025import lucee.runtime.PageContext;
026import lucee.runtime.exp.ExpressionException;
027import lucee.runtime.exp.FunctionException;
028
029public class S3Function {
030
031
032        public static S3Resource toS3Resource(PageContext pc, String url, String functionName) throws ExpressionException {
033                Resource res=ResourceUtil.toResourceNotExisting(pc, url);
034                ResourceProvider provider = res.getResourceProvider();
035                if(!provider.getScheme().equalsIgnoreCase("s3") || !res.exists()) 
036                        throw new FunctionException(pc,functionName,1,"url","defined url must be a valid existing S3 Resource");
037                
038                return (S3Resource) res;
039        }
040}