1 /*
2 * Copyright 2006-2007 the original author or authors.
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.springframework.batch.item.file.transform;
17
18 import org.springframework.util.StringUtils;
19
20 /**
21 * A {@link LineAggregator} implementation that converts an object into a
22 * delimited list of strings. The default delimiter is a comma.
23 *
24 * @author Dave Syer
25 *
26 */
27 public class DelimitedLineAggregator<T> extends ExtractorLineAggregator<T> {
28
29 private String delimiter = ",";
30
31 /**
32 * Public setter for the delimiter.
33 * @param delimiter the delimiter to set
34 */
35 public void setDelimiter(String delimiter) {
36 this.delimiter = delimiter;
37 }
38
39 @Override
40 public String doAggregate(Object[] fields) {
41 return StringUtils.arrayToDelimitedString(fields, this.delimiter);
42 }
43
44 }