001    /**
002     * Copyright 2005-2014 The Kuali Foundation
003     *
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.opensource.org/licenses/ecl2.php
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.rice.kns.web.struts.action;
017    
018    import org.apache.log4j.Logger;
019    import org.apache.struts.config.ModuleConfig;
020    import org.apache.struts.upload.CommonsMultipartRequestHandler;
021    
022    import java.util.List;
023    
024    /**
025     * Subclass of the MultipartRequestHandler used by Struts.  This one allows the maximum upload size to be set
026     * by the application rather than by an init parameter. 
027     * 
028     * @author Kuali Rice Team (rice.collab@kuali.org)
029     *
030     * @deprecated KNS Struts deprecated, use KRAD and the Spring MVC framework.
031     */
032    @Deprecated
033    public class KualiMultipartRequestHandler extends CommonsMultipartRequestHandler {
034        private static final Logger LOG = Logger.getLogger(KualiMultipartRequestHandler.class);
035    
036        private String sizeMax;
037        
038        /**
039         * Returns the maximum allowable size, in bytes, of an uploaded file. The
040         * value is obtained from the current module's controller configuration.
041         *
042         * @param mc The current module's configuration.
043         *
044         * @return The maximum allowable file size, in bytes.
045         */
046        public long getSizeMax(ModuleConfig mc) {
047            return convertSizeToBytes( sizeMax, super.getSizeMax(mc) );
048        }
049    
050        public String getSizeMaxString() {
051            return sizeMax;
052        }    
053    
054        public void setSizeMax( String sizeString ) {
055            this.sizeMax = sizeString;
056        }
057        
058    //    public long convertSizeToBytes(String sizeString, long defaultSize) {
059    //      return super.convertSizeToBytes(sizeString, defaultSize);
060    //    }
061        
062        /**
063         * Sets the max size string to the item in the list that represents the largest size.
064         */
065        public void setMaxUploadSizeToMaxOfList( List<String> sizes ) {
066            long maxSize = 0L;
067            for ( String size : sizes ) {
068                long currSize = convertSizeToBytes(size, 0L);
069                if ( currSize == 0L ) {
070                    LOG.warn( "Unable to parse max size (" + size + ").  Ignoring." );
071                }
072                if ( currSize > maxSize ) {
073                    maxSize = currSize;
074                    sizeMax = size;
075                }
076            }
077        }
078        
079        public long calculateMaxUploadSizeToMaxOfList( List<String> sizes ) {
080            long maxSize = 0L;
081            for ( String size : sizes ) {
082                long currSize = convertSizeToBytes(size, 0L);
083                if ( currSize == 0L ) {
084                    LOG.warn( "Unable to parse max size (" + size + ").  Ignoring." );
085                }
086                if ( currSize > maxSize ) {
087                    maxSize = currSize;             
088                }
089            }
090            return maxSize;
091        }
092        
093    }