Fix wrong excel cellStyle background color value using IndexedColor

Author: Dokyeongyun

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

@@ -1,10 +1,9 @@
 package root.core.usecase.implement;
 
+import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
 import java.io.OutputStream;
 
 import org.apache.poi.ss.usermodel.Sheet;
@@ -104,20 +103,17 @@ public void writeExcelArchiveUsageCheck() throws Exception {
 			rowIndex = 29;
 		}
 
-		String filePath = "C:\\Users\\aserv\\Documents\\WorkSpace_DBMonitoring_Quartz\\DBMonitoring\\report\\";
+		String filePath = "./report/";
 		String fileName = "DB관리대장_종합_" + year + "." + month;
 		String extension = ".xlsx";
-		String file = filePath + fileName + extension;
-
-		InputStream is = null;
-		try {
-			is = new FileInputStream(file);
-		} catch (FileNotFoundException e) {
+		File file = new File(filePath + fileName + extension);
+		
+		if(!file.exists()) {
+			file.getParentFile().mkdirs();
 			DBManageExcel.createMonthlyReportInExcel(year, month);
-			is = new FileInputStream(file);
 		}
-
-		Workbook workbook = ExcelUtils.getWorkbook(is, fileName + extension);
+		
+		Workbook workbook = ExcelUtils.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/utils/DBManageExcel.java

@@ -6,6 +6,7 @@
 import java.util.Locale;
 
 import org.apache.poi.ss.usermodel.HorizontalAlignment;
+import org.apache.poi.ss.usermodel.IndexedColors;
 import org.apache.poi.xssf.usermodel.XSSFCellStyle;
 
 public class DBManageExcel extends ExcelUtils {
@@ -24,7 +25,7 @@ public static void createMonthlyReportInExcel(int year, int month) {
 
 		OutputStream fos;
 		try {
-			String filePath = "C:\\Users\\aserv\\Documents\\WorkSpace_DBMonitoring_Quartz\\DBMonitoring\\report\\";
+			String filePath = "./report/";
 			String fileName = "DB관리대장_종합_"+year+"."+month;
 			String extension = ".xlsx";
 			fos = new FileOutputStream(filePath + fileName + extension);
@@ -33,14 +34,14 @@ public static void createMonthlyReportInExcel(int year, int month) {
 
 			// CellStyle 생성
 			// 1. 회색 배경, 검은색 실선 테두리, 중앙정렬
-			XSSFCellStyle grayCS = excel.createCellStyle("d0cece", false);
+			XSSFCellStyle grayCS = excel.createCellStyle(IndexedColors.GREY_25_PERCENT, false); /// "#d0cece"
 			// 2. 회색 배경, 검은색 실선 테두리, 왼쪽정렬
-			XSSFCellStyle grayCSLeft = excel.createCellStyle("d0cece", false);
+			XSSFCellStyle grayCSLeft = excel.createCellStyle(IndexedColors.GREY_25_PERCENT, false);
 			grayCSLeft.setAlignment(HorizontalAlignment.LEFT);
 			// 3. 흰색 배경, 검은색 실선 테두리, 중앙정렬
-			XSSFCellStyle whiteCS = excel.createCellStyle("ffffff", false);
+			XSSFCellStyle whiteCS = excel.createCellStyle(IndexedColors.WHITE, false);
 			// 4. 흰색 배경, 검은색 실선 테두리, 왼쪽정렬
-			XSSFCellStyle whiteCSLeft = excel.createCellStyle("ffffff", false);
+			XSSFCellStyle whiteCSLeft = excel.createCellStyle(IndexedColors.WHITE, false);
 			whiteCSLeft.setAlignment(HorizontalAlignment.LEFT);
 
 			// Write Header Region

src/main/java/root/utils/ExcelUtils.java

@@ -108,7 +108,7 @@ public void addRow(List<String> rows) {
 		addRow(null, (short) 0, rows);
 	}
 
-	public void addRow(String backgroundColor, List<String> rows) {
+	public void addRow(IndexedColors backgroundColor, List<String> rows) {
 		addRow(backgroundColor, (short) 0, rows);
 	}
 
@@ -120,7 +120,7 @@ public void addRow(String backgroundColor, List<String> rows) {
 	 * @param boldweight
 	 * @param cellStrings
 	 */
-	public void addRow(String backgroundColor, short boldweight, List<String> cellStrings) {
+	public void addRow(IndexedColors backgroundColor, short boldweight, List<String> cellStrings) {
 		Row header = sheet.createRow(rowIndex++);
 		int cellIndex = colIndex;
 		for (String value : cellStrings) {
@@ -156,7 +156,7 @@ public void addRow(List<Map<String, String>> style, List<String> cellStrings) {
 					boldweight = Short.parseShort(styleMap.get("boldweight"));
 				}
 			}
-			cell.setCellStyle(createCellStyle(backgroundColor, boldweight == 0 ? false : true));
+			cell.setCellStyle(createCellStyle(IndexedColors.valueOf(backgroundColor), boldweight == 0 ? false : true));
 		}
 		if (maxCols < cellIndex) {
 			maxCols = cellIndex;
@@ -170,12 +170,12 @@ public void addRow(List<Map<String, String>> style, List<String> cellStrings) {
 	 * @param boldweight
 	 * @return
 	 */
-	public XSSFCellStyle createCellStyle(String backgroundColor, boolean isBold) {
+	public XSSFCellStyle createCellStyle(IndexedColors backgroundColor, boolean isBold) {
 		XSSFCellStyle cellStyle = sheet.getWorkbook().createCellStyle();
 		cellStyle.setAlignment(HorizontalAlignment.CENTER);
 		cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
 		if (backgroundColor != null) {
-			cellStyle.setFillForegroundColor(IndexedColors.valueOf(backgroundColor).getIndex());
+			cellStyle.setFillForegroundColor(backgroundColor.getIndex());
 			cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
 		}
 		setSolidBorder(cellStyle);