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.krad.datadictionary.parse;
017    
018    import org.kuali.rice.krad.util.KRADUtils;
019    import org.springframework.core.convert.TypeDescriptor;
020    import org.springframework.core.convert.converter.GenericConverter;
021    
022    import java.util.HashSet;
023    import java.util.List;
024    import java.util.Set;
025    
026    /**
027     * Converts a string configured in the dictionary for a list property type to a List
028     * object using the convention of commas to separate list entries
029     *
030     * @author Kuali Rice Team (rice.collab@kuali.org)
031     */
032    public class StringListConverter implements GenericConverter {
033    
034        @Override
035        public Set<ConvertiblePair> getConvertibleTypes() {
036            Set<ConvertiblePair> pairs = new HashSet<ConvertiblePair>();
037    
038            ConvertiblePair stringListPair = new ConvertiblePair(String.class, List.class);
039            pairs.add(stringListPair);
040    
041            return pairs;
042        }
043    
044        @Override
045        public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
046            return KRADUtils.convertStringParameterToList((String) source);
047        }
048    }