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 }