Rename ExcelUtils to ExcelSheet bacause it is not Util class

Author: Dokyeongyun

src/main/java/root/core/usecase/implement/DBCheckUsecaseImpl.java

@@ -22,7 +22,7 @@
 import root.utils.CsvUtils;
 import root.utils.DBManageExcel;
 import root.utils.DateUtils;
-import root.utils.ExcelUtils;
+import root.utils.ExcelSheet;
 
 public class DBCheckUsecaseImpl implements DBCheckUsecase {
 	private DBCheckRepository dbCheckRepository;
@@ -113,7 +113,7 @@ public void writeExcelArchiveUsageCheck() throws Exception {
 			DBManageExcel.createMonthlyReportInExcel(year, month);
 		}
 
-		Workbook workbook = ExcelUtils.getWorkbook(new FileInputStream(file), fileName + extension);
+		Workbook workbook = ExcelSheet.getWorkbook(new FileInputStream(file), fileName + extension);
 		Sheet sheet = workbook.getSheetAt(0);
 		sheet.getRow(rowIndex).getCell(colIndex).setCellValue(archiveUsage + "%");
 		OutputStream os = new FileOutputStream(file);

src/main/java/root/core/usecase/implement/ServerCheckUsecaseImpl.java

@@ -32,7 +32,7 @@
 import root.utils.CsvUtils;
 import root.utils.DBManageExcel;
 import root.utils.DateUtils;
-import root.utils.ExcelUtils;
+import root.utils.ExcelSheet;
 
 public class ServerCheckUsecaseImpl implements ServerCheckUsecase {
 	private ServerCheckRepository serverCheckRepository;
@@ -212,7 +212,7 @@ public void writeExcelOSDiskUsage() throws Exception {
 			is = new FileInputStream(file);
 		}
 
-		Workbook workbook = ExcelUtils.getWorkbook(is, fileName+extension);
+		Workbook workbook = ExcelSheet.getWorkbook(is, fileName+extension);
 		Sheet sheet = workbook.getSheetAt(0);
 
 		for (OSDiskUsage data : result.getMonitoringResults()) {

src/main/java/root/utils/DBManageExcel.java

@@ -9,7 +9,7 @@
 import org.apache.poi.ss.usermodel.IndexedColors;
 import org.apache.poi.xssf.usermodel.XSSFCellStyle;
 
-public class DBManageExcel extends ExcelUtils {
+public class DBManageExcel extends ExcelSheet {
 
 	public DBManageExcel(String sheetName) {
 		super(sheetName);
@@ -30,7 +30,7 @@ public static void createMonthlyReportInExcel(int year, int month) {
 			String extension = ".xlsx";
 			fos = new FileOutputStream(filePath + fileName + extension);
 
-			ExcelUtils excel = new ExcelUtils("MonthlyReport");
+			ExcelSheet excel = new ExcelSheet("MonthlyReport");
 
 			// CellStyle 생성
 			// 1. 회색 배경, 검은색 실선 테두리, 중앙정렬

src/main/java/root/utils/ExcelUtils.java renamed to src/main/java/root/utils/ExcelSheet.java

@@ -38,7 +38,7 @@
 import org.apache.poi.xssf.usermodel.XSSFSimpleShape;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 
-public class ExcelUtils {
+public class ExcelSheet {
 	private XSSFWorkbook workbook;
 	private XSSFSheet sheet;
 	private int rowIndex = 0;
@@ -48,7 +48,7 @@ public class ExcelUtils {
 	// 1. DB 관리대장 포맷을 월별로 작성해주는 메서드 작성 (관리대장 신규 생성)
 	// 2. 기존 관리대장을 읽어 특정 날짜의 DB 모니터링 결과를 추가하는 메서드 작성 (모니터링 결과 작성)
 
-	public ExcelUtils(String sheetName) {
+	public ExcelSheet(String sheetName) {
 		workbook = new XSSFWorkbook();
 		sheet = workbook.createSheet(sheetName);
 	}