ai.preferred.regression.io.CSVUtils Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of csvpl Show documentation

Your preferred data manipulation and analysis language for CSV.

The newest version!

/*
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */

package ai.preferred.regression.io;

import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVPrinter;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.nio.charset.StandardCharsets;

public class CSVUtils {

  public static CSVInputData reader(File file, boolean header) throws IOException {
    return new CSVInputData(file, header);
  }

  public static CSVPrinter printer(File file) throws IOException {
    return new CSVPrinter(new OutputStreamWriter(new FileOutputStream(file, false), StandardCharsets.UTF_8), CSVFormat.EXCEL);
  }

  @SafeVarargs
  public static  String[] toStringArray(T... values) {
    final String[] strings = new String[values.length];
    for (int i = 0; i < values.length; i++) {
      strings[i] = String.valueOf(values[i]);
    }
    return strings;
  }

  private CSVUtils() {
    throw new AssertionError();
  }

}