1 /**
2 * Copyright 2005-2013 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.rice.kns.web.struts.action;
17
18 import org.apache.log4j.Logger;
19 import org.apache.struts.config.ModuleConfig;
20 import org.apache.struts.upload.CommonsMultipartRequestHandler;
21
22 import java.util.List;
23
24 /**
25 * Subclass of the MultipartRequestHandler used by Struts. This one allows the maximum upload size to be set
26 * by the application rather than by an init parameter.
27 *
28 * @author Kuali Rice Team (rice.collab@kuali.org)
29 *
30 */
31 public class KualiMultipartRequestHandler extends CommonsMultipartRequestHandler {
32 private static final Logger LOG = Logger.getLogger(KualiMultipartRequestHandler.class);
33
34 private String sizeMax;
35
36 /**
37 * Returns the maximum allowable size, in bytes, of an uploaded file. The
38 * value is obtained from the current module's controller configuration.
39 *
40 * @param mc The current module's configuration.
41 *
42 * @return The maximum allowable file size, in bytes.
43 */
44 public long getSizeMax(ModuleConfig mc) {
45 return convertSizeToBytes( sizeMax, super.getSizeMax(mc) );
46 }
47
48 public String getSizeMaxString() {
49 return sizeMax;
50 }
51
52 public void setSizeMax( String sizeString ) {
53 this.sizeMax = sizeString;
54 }
55
56 // public long convertSizeToBytes(String sizeString, long defaultSize) {
57 // return super.convertSizeToBytes(sizeString, defaultSize);
58 // }
59
60 /**
61 * Sets the max size string to the item in the list that represents the largest size.
62 */
63 public void setMaxUploadSizeToMaxOfList( List<String> sizes ) {
64 long maxSize = 0L;
65 for ( String size : sizes ) {
66 long currSize = convertSizeToBytes(size, 0L);
67 if ( currSize == 0L ) {
68 LOG.warn( "Unable to parse max size (" + size + "). Ignoring." );
69 }
70 if ( currSize > maxSize ) {
71 maxSize = currSize;
72 sizeMax = size;
73 }
74 }
75 }
76
77 public long calculateMaxUploadSizeToMaxOfList( List<String> sizes ) {
78 long maxSize = 0L;
79 for ( String size : sizes ) {
80 long currSize = convertSizeToBytes(size, 0L);
81 if ( currSize == 0L ) {
82 LOG.warn( "Unable to parse max size (" + size + "). Ignoring." );
83 }
84 if ( currSize > maxSize ) {
85 maxSize = currSize;
86 }
87 }
88 return maxSize;
89 }
90
91 }