/*
 * Copyright 2021 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.optaplanner.examples.common.persistence;

import java.awt.Color;

import org.apache.poi.xssf.usermodel.DefaultIndexedColorMap;
import org.apache.poi.xssf.usermodel.IndexedColorMap;
import org.apache.poi.xssf.usermodel.XSSFColor;

public final class XSSFColorUtil {

    private static final IndexedColorMap INDEXED_COLOR_MAP = new DefaultIndexedColorMap();

    public static XSSFColor getXSSFColor(Color awtColor) {
        byte[] rgb = new byte[] {
                intToByte(awtColor.getRed()),
                intToByte(awtColor.getGreen()),
                intToByte(awtColor.getBlue())
        };
        return new XSSFColor(rgb, INDEXED_COLOR_MAP);
    }

    private static byte intToByte(int integer) {
        return ((Integer) integer).byteValue();
    }

    private XSSFColorUtil() {
        // No external instances.
    }

}
