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/**
 * Copyright (C) 2011 Angelo Zerr  and Pascal Leclercq 
 *
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package org.apache.poi.xwpf.converter.internal;

import org.apache.poi.xwpf.usermodel.XWPFStyle;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTDocDefaults;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTRPr;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTRPrDefault;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTStyle;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STHexColor;

public class XWPFUtils {

	/**
	 * Returns CTRPr from default.
	 * 
	 * @param defaults
	 * @return
	 */
	public static CTRPr getRPr(CTDocDefaults defaults) {
		if (defaults == null) {
			return null;
		}
		CTRPrDefault rprDefault = defaults.getRPrDefault();
		if (rprDefault == null) {
			return null;
		}
		return rprDefault.getRPr();
	}

	/**
	 * Returns CTRPr from style.
	 * 
	 * @param style
	 * @return
	 */
	public static CTRPr getRPr(XWPFStyle style) {
		if (style == null) {
			return null;
		}

		CTStyle ctStyle = style.getCTStyle();
		if (ctStyle == null) {
			return null;
		}
		return ctStyle.getRPr();
	}
	
	public static String getColor(STHexColor color) {
		if (color != null) {
			if (!"auto".equals(color.getStringValue())) {
				return color.getStringValue();
			}
		}
		return null;
	}
	
}