/*
 * 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.carbondata.streaming.parser;

import org.apache.carbondata.processing.loading.csvinput.CSVInputFormat;

import com.univocity.parsers.csv.CsvParser;
import com.univocity.parsers.csv.CsvParserSettings;

import org.apache.hadoop.conf.Configuration;
import org.apache.spark.sql.catalyst.InternalRow;
import org.apache.spark.sql.types.StructType;

/**
 * CSV Stream Parser, it is also the default parser.
 */
public class CSVStreamParserImp implements CarbonStreamParser {

  private CsvParser csvParser;

  @Override
  public void initialize(
      Configuration configuration,
      StructType structType, boolean[] isVarcharTypeMapping) {
    CsvParserSettings settings = CSVInputFormat.extractCsvParserSettings(configuration);
    csvParser = new CsvParser(settings);
  }

  @Override
  public Object[] parserRow(InternalRow row) {
    return csvParser.parseLine(row.getString(0));
  }

  @Override
  public void close() {
  }
}
