com.cinchapi.concourse.importer.CsvImporter Maven / Gradle / Ivy
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/*
* Copyright (c) 2013-2018 Cinchapi Inc.
*
* Licensed 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 com.cinchapi.concourse.importer;
import com.cinchapi.concourse.Concourse;
/**
*
* An {@link Importer} that can handle generic CSV files that have header
* information in the first line. It is advisable to extend this class for CSV
* data that has special requirements. This class makes some general assumptions
* that can be configured in a subclass:
*
* Header
*
* It is assumed that the first line of a CSV file contains the header. If that
* is not the case, the subclass can return an ordered array of header keys from
* the {@link #header()} method.
*
* Delimiter
*
* It is assumed that values in a line are comma separated. If that is not the
* case, the subclass can specify a different rule in the {@link #delimiter()}
* method.
*
* Transforming Values
*
* It is assumed that the original file data is correct. If that is not the
* case, the subclass can selectively transform some values in the
* {@link #transformValue(String, String)} method. For example, it might be
* desirable specify link resolution, compact data or normalize data.
*
*
* @author Jeff Nelson
*/
public class CsvImporter extends DelimitedLineImporter {
/**
* Construct a new instance.
*
* @param concourse
*/
public CsvImporter(Concourse concourse) {
super(concourse);
}
@Override
protected char delimiter() {
return ',';
}
}