Java Code to Read the Excel file and return a hash map using poi

gistfile1.txt

package com.oncor.ams.core.managers.excel;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import com.beust.jcommander.internal.Lists;

/**
 * Refer this link: https://howtodoinjava.com/java/library/readingwriting-excel-files-in-java-poi-tutorial/
 * 
 */
public class ExcelManager {
    
    public Map<String, String>  getExcelRowData(String fileName, String sheetName, String rowId) throws IOException {

        //Define the column names here or pass it as a parameter to make this method resuable
        List<String> clmNamesList = Lists.newArrayList("TD_ID","CC_URL","CC_UserID","CC_Pwd","MeterNum","MeterType","MeterModel","Command");
        // List<String> returnList = new ArrayList<>();
        Map<String, String> returnMap = new HashMap<>();
        FileInputStream file = new FileInputStream(new File(fileName));
        XSSFWorkbook workbook = new XSSFWorkbook(file);
        XSSFSheet sheet = workbook.getSheet(sheetName);

        //Iterate through each rows one by one
        Iterator<Row> rowIterator = sheet.iterator();

        //Get the row id which mathces the row id passed in the method and then get the data from the row and save in the list
        while (rowIterator.hasNext()) {
            Row row = rowIterator.next();
            if (row.getCell(0).getStringCellValue().equalsIgnoreCase(rowId)){
                Iterator<Cell> cellIterator = row.cellIterator();
                while (cellIterator.hasNext()) {
                    Cell cell = cellIterator.next();
                    returnMap.put(clmNamesList.get(cell.getColumnIndex()), cell.getStringCellValue());
                    // returnList.add(cell.getStringCellValue());
                }
                break;
            }
        }

        workbook.close();
        file.close();

        return returnMap;
    }   

}

/*
        <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi</artifactId>
        <version>5.2.2</version>
        </dependency>

        <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi-ooxml</artifactId>
        <version>5.2.2</version>
        </dependency>
*/