br.com.objectos.jabuticava.debs.CaracteristicaParser.java Source code

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Here is the source code for br.com.objectos.jabuticava.debs.CaracteristicaParser.java

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/*
 * Copyright 2013 Objectos, Fbrica 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.jabuticava.debs;

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

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;

import org.joda.time.LocalDate;

/**
 * @author marcio.endo@objectos.com.br (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<Record> registros;
        registros = Iterables.transform(lines, new ToRecord());

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

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

    private static class ToRecord implements Function<Line, Record> {
        @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<Double> {

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

    }

}