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/*
 * Copyright 2011 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.comuns.io.csv;

import br.com.objectos.comuns.io.ColumnConversionException;

import com.google.common.base.Preconditions;
import com.google.common.reflect.TypeToken;

/**
 * @author [email protected] (Marcio Endo)
 */
public abstract class AbstractCsvConverter implements CsvConverter {

  @SuppressWarnings("serial")
  private final TypeToken type = new TypeToken(getClass()) {};

  @Override
  public final T apply(String input) {
    try {
      Preconditions.checkNotNull(input);
      return convert(input);
    } catch (Exception e) {
      throw new ColumnConversionException(e, input, type.getRawType());
    }
  }

  protected abstract T convert(String text);

  protected ColumnConversionException newException(String input) {
    return new ColumnConversionException(input, type.getRawType());
  }

}