br.com.objectos.way.debs.CaracteristicaParser Maven / Gradle / Ivy

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/*
 * Copyright 2013 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.way.debs;

import static br.com.objectos.way.debs.CaracteristicaSpec.DATA_SAIDA;
import static br.com.objectos.way.debs.CaracteristicaSpec.DATA_VENCIMENTO;
import static br.com.objectos.way.debs.CaracteristicaSpec.EMISSAO;
import static br.com.objectos.way.debs.CaracteristicaSpec.SERIE;

import org.joda.time.LocalDate;

import br.com.objectos.comuns.io.Encoding;
import br.com.objectos.comuns.io.Line;
import br.com.objectos.comuns.io.ParsedLines;
import br.com.objectos.comuns.io.csv.AbstractCsvConverter;
import br.com.objectos.comuns.io.csv.CsvFile;
import br.com.objectos.comuns.io.csv.LocalDateCsvConverter;
import br.com.objectos.way.io.Record;
import br.com.objectos.way.io.RecordSpec;

import com.google.common.base.Function;
import com.google.common.base.Predicates;
import com.google.common.base.Strings;
import com.google.common.collect.Iterables;

/**
 * @author [email protected] (Marcio Endo)
 */
class CaracteristicaParser {

  private static final RecordSpec spec = new CaracteristicaSpec();

  private final String text;

  private final LocalDate data;

  private final CsvFile file;

  public CaracteristicaParser(String text, LocalDate data, CsvFile file) {
    this.text = text;
    this.data = data;
    this.file = file;
  }

  public Caracteristica get() {
    ParsedLines lines = file
        .onTabs()
        .notEscaped()
        .notQuoted()
        .encodedWith(Encoding.ISO_8859_1)
        .skipFirstLines(3)
        .withConverter(CaracteristicaSituacao.class, CaracteristicaSituacao.CONVERTER)
        .withConverter(Double.class, new DoubleConverter())
        .withConverter(LocalDate.class, new LocalDateCsvConverter("dd/MM/yyyy"))
        .withConverter(DATA_VENCIMENTO, new DataVencimento())
        .withConverter(DATA_SAIDA, new DataOpcional())
        .withConverter(SERIE, SerieConverter.INSTANCE)
        .withConverter(EMISSAO, EmissaoConverter.INSTANCE)
        .getLines();

    Iterable registros;
    registros = Iterables.transform(lines, new ToRecord());

    Iterable naoNulos;
    naoNulos = Iterables.filter(registros, Predicates.notNull());

    return new Caracteristica(text, data, naoNulos);
  }

  private static class ToRecord implements Function {
    @Override
    public Record apply(Line line) {
      return spec.parse(line);
    }
  }

  private static class DataVencimento extends LocalDateCsvConverter {
    public DataVencimento() {
      super("dd/MM/yyyy");
    }

    @Override
    public LocalDate convert(String text) {
      LocalDate date = null;

      if (!"Indeterminado".equals(text)) {
        date = super.convert(text);
      }

      return date;
    }
  }

  private static class DataOpcional extends LocalDateCsvConverter {
    public DataOpcional() {
      super("dd/MM/yyyy");
    }

    @Override
    public LocalDate convert(String text) {
      LocalDate date = null;

      if (!Strings.isNullOrEmpty(text)) {
        date = super.convert(text);
      }

      return date;
    }
  }

  private static class DoubleConverter extends AbstractCsvConverter {

    @Override
    protected Double convert(String text) {
      try {
        text = text.replaceAll("\\.", "");
        text = text.replaceAll(",", ".");
        return Double.parseDouble(text);
      } catch (NumberFormatException e) {
        return Double.valueOf(0d);
      }
    }

  }

}