1 /*
2 * Copyright 2007-2010 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.format;
17
18 import java.util.Collection;
19
20 import org.kuali.rice.kns.web.format.Formatter;
21
22 /**
23 * Currently, in the {@link Formatter Formatter} class, array are formatted
24 * by returning the first item in the array. This is not acceptable in some cases.
25 *
26 * <p>
27 * One example is a struts multi-select dropdown. In order for struts to correctly handle
28 * field highlighting struts expects an array.
29 * </p>
30 *
31 * <p>
32 * This formatter does not handle {@code null} arrays or arrays with {@code null} items.
33 * This class may need to be modified to handle these conditions.
34 * </p>
35 */
36 public class ArrayFormatter extends Formatter {
37
38 private static final long serialVersionUID = -2207993820610088716L;
39
40 /*
41 public Object convertFromPresentationFormat(Object value) {
42 if (isEmptyValue(value))
43 return getNullObjectValue();
44
45 Class type = value.getClass();
46 boolean isArray = true;
47 boolean isCollection = propertyType != null && Collection.class.isAssignableFrom(propertyType);
48
49 String[] strings = isArray ? (String[]) value : new String[] { (String) value };
50
51 return isArray ? convertToArray(strings) : convertToCollection(strings);
52 }
53 */
54 /**
55 * Returns the value passed in.
56 *
57 * {@inheritDoc}
58 */
59 @Override
60 public Object formatObject(Object value) {
61 return value;
62 }
63 }