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The Apache Commons Codec package contains simple encoder and decoders for various formats such as Base64 and Hexadecimal. In addition to these widely used encoders and decoders, the codec package also maintains a collection of phonetic encoding utilities.

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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.hssf.usermodel;

import org.apache.poi.ss.formula.EvaluationCell;
import org.apache.poi.ss.formula.EvaluationSheet;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.util.CellRangeAddress;

/**
 * HSSF wrapper for a cell under evaluation
 */
final class HSSFEvaluationCell implements EvaluationCell {

	private final EvaluationSheet _evalSheet;
	private final HSSFCell _cell;

	public HSSFEvaluationCell(HSSFCell cell, EvaluationSheet evalSheet) {
		_cell = cell;
		_evalSheet = evalSheet;
	}
	public HSSFEvaluationCell(HSSFCell cell) {
		this(cell, new HSSFEvaluationSheet(cell.getSheet()));
	}
	@Override
	public Object getIdentityKey() {
		// save memory by just using the cell itself as the identity key
		// Note - this assumes HSSFCell has not overridden hashCode and equals
		return _cell;
	}

	public HSSFCell getHSSFCell() {
		return _cell;
	}
	@Override
	public boolean getBooleanCellValue() {
		return _cell.getBooleanCellValue();
	}
	/**
	 * @return cell type
	 */
	@Override
	public CellType getCellType() {
		return _cell.getCellType();
	}
	@Override
	public int getColumnIndex() {
		return _cell.getColumnIndex();
	}
	@Override
	public int getErrorCellValue() {
		return _cell.getErrorCellValue();
	}
	@Override
	public double getNumericCellValue() {
		return _cell.getNumericCellValue();
	}
	@Override
	public int getRowIndex() {
		return _cell.getRowIndex();
	}
	@Override
	public EvaluationSheet getSheet() {
		return _evalSheet;
	}
	@Override
	public String getStringCellValue() {
		return _cell.getRichStringCellValue().getString();
	}
	
	@Override
	public CellRangeAddress getArrayFormulaRange() {
		return _cell.getArrayFormulaRange();
	}
	
	@Override
	public boolean isPartOfArrayFormulaGroup() {
		return _cell.isPartOfArrayFormulaGroup();
	}
	
	/**
	 * @since POI 4.0
	 * @return cell type of cached formula result
	 */
	@Override
	public CellType getCachedFormulaResultType() { return _cell.getCachedFormulaResultType(); }
}