poi-examples/src/main/java/org/apache/poi/examples/ss/html/HtmlHelper.java

/* ====================================================================
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   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You 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

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   distributed under the License is distributed on an "AS IS" BASIS,
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package org.apache.poi.examples.ss.html;

import java.util.Formatter;

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

/**
 * This interface is used where code wants to be independent of the workbook
 * formats.  If you are writing such code, you can add a method to this
 * interface, and then implement it for both HSSF and XSSF workbooks, letting
 * the driving code stay independent of format.
 */
public interface HtmlHelper {
    /**
     * Outputs the appropriate CSS style for the given cell style.
     *
     * @param style The cell style.
     * @param out   The place to write the output.
     */
    void colorStyles(CellStyle style, Formatter out);
}