1 /*
2 * Copyright 2007 Kasper B. Graversen
3 *
4 * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
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.supercsv.example;
17
18 import org.supercsv.cellprocessor.CellProcessorAdaptor;
19 import org.supercsv.cellprocessor.ift.CellProcessor;
20 import org.supercsv.exception.SuperCsvCellProcessorException;
21 import org.supercsv.util.CsvContext;
22
23 /**
24 * An example of a custom cell processor.
25 */
26 public class ParseDay extends CellProcessorAdaptor {
27
28 public ParseDay() {
29 super();
30 }
31
32 public ParseDay(CellProcessor next) {
33 // this constructor allows other processors to be chained after ParseDay
34 super(next);
35 }
36
37 public Object execute(Object value, CsvContext context) {
38
39 validateInputNotNull(value, context); // throws an Exception if the input is null
40
41 for( Day day : Day.values() ) {
42 if( day.name().equalsIgnoreCase(value.toString()) ) {
43 // passes the Day enum to the next processor in the chain
44 return next.execute(day, context);
45 }
46 }
47
48 throw new SuperCsvCellProcessorException(String.format("Could not parse '%s' as a day", value), context, this);
49 }
50 }