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

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Here is the source code for br.com.objectos.jabuticava.debs.Caracteristica.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 java.io.File;
import java.io.IOException;
import java.io.Reader;
import java.nio.charset.Charset;
import java.util.List;

import br.com.objectos.comuns.io.csv.CsvFile;
import br.com.objectos.way.io.Record;

import com.google.common.base.Charsets;
import com.google.common.collect.ImmutableList;
import com.google.common.io.CharStreams;
import com.google.common.io.Files;

import org.joda.time.LocalDate;

/**
 * @author marcio.endo@objectos.com.br (Marcio Endo)
 */
public class Caracteristica {

    private static String url = "http://www.debentures.com.br" + "/exploreosnd/consultaadados/emissoesdedebentures"
            + "/caracteristicas_e.asp?tip_deb=publicas&op_exc=False";

    private static final CaracteristicaSpec keys = new CaracteristicaSpec();

    static final Charset CHARSET = Charsets.ISO_8859_1;

    private final String text;

    private final LocalDate data;

    private final List<Record> registros;

    Caracteristica(String text, LocalDate data, Iterable<Record> registros) {
        this.text = text;
        this.data = data;
        this.registros = ImmutableList.copyOf(registros);
    }

    public static Caracteristica wget() {
        try {
            URLReaderSupplier in = new URLReaderSupplier(url);
            Reader reader = in.getReader(CHARSET);
            String text = CharStreams.toString(reader);
            return Caracteristica.parseString(text);
        } catch (IOException e) {
            return Caracteristica.vazio();
        }
    }

    public static Caracteristica parse(File file) {
        try {
            String text = Files.toString(file, CHARSET);
            return parseString(text);
        } catch (IOException e) {
            return Caracteristica.vazio();
        }
    }

    public static Caracteristica parseString(String text) {
        LocalDate data = new DataParser(text).get();
        CsvFile csvFile = CsvFile.parseString(text);
        return new CaracteristicaParser(text, data, csvFile).get();
    }

    static Caracteristica vazio() {
        LocalDate data = new LocalDate();
        List<Record> registros = ImmutableList.of();
        return new Caracteristica("", data, registros);
    }

    public void writeTo(File file) {
        try {
            Files.write(text, file, CHARSET);
        } catch (IOException e) {
        }
    }

    public static CaracteristicaKeys keys() {
        return keys;
    }

    public LocalDate getData() {
        return data;
    }

    public List<Record> getRegistros() {
        return registros;
    }

    @Override
    public String toString() {
        return text;
    }

}