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/*
 * Copyright 2014 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.xls;

import org.apache.poi.ss.usermodel.Cell;

/**
 * @author [email protected] (Marcio Endo)
 */
class PoiWorksheetRowWriterText
    extends PoiWorksheetRowWriter
    implements WorksheetRowWriterText, WorksheetRowWriterTextFormat {

  private final String text;

  private String defaultValue;

  public PoiWorksheetRowWriterText(PoiWorksheetRow row, String text) {
    super(row);
    this.text = text;
  }

  @Override
  public WorksheetRowWriterTextFormat or(String defaultValue) {
    this.defaultValue = checkDefaultValueNotNull(defaultValue);
    return this;
  }

  @Override
  public WorksheetRowWriterTextFormat orBlank() {
    blank = true;
    return this;
  }

  @Override
  void write(Cell cell) {
    cell.setCellType(Cell.CELL_TYPE_STRING);

    String cellValue = cellValue();
    if (cellValue != null) {
      cell.setCellValue(cellValue);
    }
  }

  private String cellValue() {
    if (text != null) {
      return text;
    }

    if (defaultValue != null) {
      return defaultValue;
    }

    return null;
  }

}