br.com.objectos.way.io.TableStyle Maven / Gradle / Ivy

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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 java.util.Objects;

import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.Workbook;

/**
 * @author [email protected] (Marcio Endo)
 */
class TableStyle {

  static enum Align {

    LEFT {
      @Override
      short apachePOI() {
        return CellStyle.ALIGN_LEFT;
      }
    },

    CENTER {
      @Override
      short apachePOI() {
        return CellStyle.ALIGN_CENTER;
      }
    },

    RIGHT {
      @Override
      short apachePOI() {
        return CellStyle.ALIGN_RIGHT;
      }
    };

    abstract short apachePOI();

  }

  private final Align align;

  private final boolean bold;

  public TableStyle(Align align, boolean bold) {
    this.align = align;
    this.bold = bold;
  }

  CellStyle createStyle(Workbook wb) {
    CellStyle style = wb.createCellStyle();
    style.setAlignment(align.apachePOI());

    if (bold) {
      Font font = wb.createFont();
      font.setBoldweight(Font.BOLDWEIGHT_BOLD);
      style.setFont(font);
    }

    return style;
  }

  @Override
  public final int hashCode() {
    return Objects.hash(align, bold);
  }

  @Override
  public final boolean equals(final Object obj) {
    if (obj == this) {
      return true;
    }
    if (obj instanceof TableStyle) {
      final TableStyle that = (TableStyle) obj;
      return Objects.equals(align, that.align)
          && bold == that.bold;
    } else {
      return false;
    }
  }

}