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Apache POI - Java API To Access Microsoft Format Files

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/* ====================================================================
   Licensed to the Apache Software Foundation (ASF) under one or more
   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

   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.apache.poi.xssf.usermodel;

import org.apache.poi.ss.usermodel.Footer;
import org.apache.poi.xssf.usermodel.extensions.XSSFHeaderFooter;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTHeaderFooter;

/**
 * 
 * Even page footer value. Corresponds to even printed pages. 
 * Even page(s) in the sheet may not be printed, for example, if the print area is specified to be 
 * a range such that it falls outside an even page's scope. 
 * If no even footer is specified, then the odd footer's value is assumed for even page footers. 
 *
 */
public class XSSFEvenFooter extends XSSFHeaderFooter implements Footer{
    
    /**
     * Create an instance of XSSFEvenFooter from the supplied XML bean
     * @see XSSFSheet#getEvenFooter()
     * @param headerFooter
     */
    public XSSFEvenFooter(CTHeaderFooter headerFooter) {
        super(headerFooter);
        headerFooter.setDifferentOddEven(true);
    }
    
    /**
     * Get the content text representing the footer
     * @return text
     */
    public String getText() {
        return getHeaderFooter().getEvenFooter();
    }
    
    /**
     * Set a text for the footer. If null unset the value.
     * @see XSSFHeaderFooter to see how to create a string with Header/Footer Formatting Syntax
     * @param text - a string representing the footer. 
     */
    public void setText(String text) {
    	if(text == null) {
    		getHeaderFooter().unsetEvenFooter();
    	} else {
    		getHeaderFooter().setEvenFooter(text);
    	}
    }

}