br.com.objectos.way.io.TableStyle.java Source code

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Here is the source code for br.com.objectos.way.io.TableStyle.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.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 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;
        }
    }

}