/** | |
* Licensed to the Apache Software Foundation (ASF) under one or more | |
* contributor license agreements. See the NOTICE file distributed with | |
* this work for additional information regarding copyright ownership. | |
* The ASF licenses this file to You under the Apache License, Version 2.0 | |
* (the "License"); you may not use this file except in compliance with | |
* the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
*/ | |
package org.apache.camel.dataformat.csv; | |
import java.util.ArrayList; | |
import java.util.List; | |
import java.util.Map; | |
import org.apache.commons.csv.CSVRecord; | |
/** | |
* This class defines common {@link CsvRecordConverter} implementations. | |
* | |
* @see CsvRecordConverter | |
*/ | |
final class CsvRecordConverters { | |
private CsvRecordConverters() { | |
// Prevent instantiation | |
} | |
/** | |
* Returns a converter that transforms the CSV record into a list. | |
* | |
* @return converter that transforms the CSV record into a list | |
*/ | |
public static CsvRecordConverter<List<String>> listConverter() { | |
return ListCsvRecordConverter.SINGLETON; | |
} | |
private static final class ListCsvRecordConverter implements CsvRecordConverter<List<String>> { | |
private static final ListCsvRecordConverter SINGLETON = new ListCsvRecordConverter(); | |
@Override | |
public List<String> convertRecord(CSVRecord record) { | |
List<String> answer = new ArrayList<String>(record.size()); | |
for (int i = 0; i < record.size(); i++) { | |
answer.add(record.get(i)); | |
} | |
return answer; | |
} | |
} | |
/** | |
* Returns a converter that transforms the CSV record into a map. | |
* | |
* @return converter that transforms the CSV record into a map | |
*/ | |
public static CsvRecordConverter<Map<String, String>> mapConverter() { | |
return MapCsvRecordConverter.SINGLETON; | |
} | |
private static class MapCsvRecordConverter implements CsvRecordConverter<Map<String, String>> { | |
private static final MapCsvRecordConverter SINGLETON = new MapCsvRecordConverter(); | |
@Override | |
public Map<String, String> convertRecord(CSVRecord record) { | |
return record.toMap(); | |
} | |
} | |
} |