001/*
002 * Copyright 2006-2007 the original author or authors.
003 *
004 * Licensed under the Apache 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 *      https://www.apache.org/licenses/LICENSE-2.0
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 */
016package org.springframework.batch.item.file.transform;
017
018import org.springframework.util.StringUtils;
019
020/**
021 * A {@link LineAggregator} implementation that converts an object into a
022 * delimited list of strings. The default delimiter is a comma.
023 * 
024 * @author Dave Syer
025 * 
026 */
027public class DelimitedLineAggregator<T> extends ExtractorLineAggregator<T> {
028
029        private String delimiter = ",";
030
031        /**
032         * Public setter for the delimiter.
033         * @param delimiter the delimiter to set
034         */
035        public void setDelimiter(String delimiter) {
036                this.delimiter = delimiter;
037        }
038
039        @Override
040        public String doAggregate(Object[] fields) {
041                return StringUtils.arrayToDelimitedString(fields, this.delimiter);
042        }
043
044}