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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.io;

import static com.google.common.collect.Lists.newArrayList;
import static com.google.common.collect.Maps.newLinkedHashMap;
import static com.google.common.collect.Sets.newLinkedHashSet;

import java.util.List;
import java.util.Map;
import java.util.Set;

import br.com.objectos.comuns.io.ComunsIOException;
import br.com.objectos.comuns.io.Line;

/**
 * @author [email protected] (Marcio Endo)
 */
abstract class AbstractSpec implements RecordSpec {

  final Set> keySet = newLinkedHashSet();

  @Override
  public final Record parse(Line line) {
    List errors = newArrayList();

    Map, Object> map = newLinkedHashMap();

    for (RecordKey key : keySet) {
      try {
        Object value = key.apply(line);
        map.put(key, value);
      } catch (ComunsIOException e) {
        errors.add(e);
      } catch (WayIOException e) {
        errors.add(e);
      }
    }

    int index = line.getNumber();
    return errors.isEmpty() ? new RecordPojo(index, map) : new RecordInvalid(index, map, errors);
  }

}