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The Commons Jexl library is an implementation of the JSTL Expression Language with extensions. This was customized by nmondal.

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/**
 * Copyright 2015 Nabarun Mondal
 * 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 com.noga.njexl.testing.dataprovider.excel;

import jxl.Workbook;

import java.io.File;

/**
 * Implementation of {ExcelReader} for .xls files
 */
public class XlsReader implements ExcelReader {

    private Workbook workBook;

    /**
     * Creates an instance of the ExcelReaderXLS - sheet is pointing to sheetNum
     *
     * @param fileName the excel xsl file to read from
     *
     */
    public XlsReader(String fileName){
        try {
            workBook = Workbook.getWorkbook(new File(fileName));
        } catch (Exception e) {
            throw new Error(e);
        }
    }

    @Override
    public String[] sheets() {
        return workBook.getSheetNames();
    }

    @Override
    public String value(String sheet, int row, int column) {
        return workBook.getSheet(sheet).getCell(column, row).getContents();
    }

    @Override
    public int rowCount(String sheet) {
        return workBook.getSheet(sheet).getRows();
    }

    @Override
    public int columnCount(String sheet) {
        return workBook.getSheet(sheet).getColumns();
    }
}