#37 java: covid - excel exporter

java/api/src/main/java/kr/covid/scraper/ExcelExporter.java

@@ -0,0 +1,47 @@
+package kr.covid.scraper;
+
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.usermodel.Sheet;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.List;
+
+public class ExcelExporter {
+
+    public static void exportToExcel(String date, List<CovidStatus> covidStatusList, String filename) throws IOException {
+        Workbook workbook = new XSSFWorkbook();
+        Sheet sheet = workbook.createSheet("코로나 현황");
+
+        Row headerRow = sheet.createRow(0);
+        String[] headers = {"시도", "합계", "국내발생", "해외유입", "확진환자", "사망자", "발생률"};
+
+        for (int i = 0; i < headers.length; i++) {
+            Cell cell = headerRow.createCell(i);
+            cell.setCellValue(headers[i]);
+        }
+
+        for (int i = 0; i < covidStatusList.size(); i++) {
+            CovidStatus covidStatus = covidStatusList.get(i);
+
+            Row row = sheet.createRow(i + 1);
+
+            row.createCell(0).setCellValue(covidStatus.getRegion());
+            row.createCell(1).setCellValue(covidStatus.getTotal());
+            row.createCell(2).setCellValue(covidStatus.getDomestic());
+            row.createCell(3).setCellValue(covidStatus.getAbroad());
+            row.createCell(4).setCellValue(covidStatus.getConfirmed());
+            row.createCell(5).setCellValue(covidStatus.getDeaths());
+            row.createCell(6).setCellValue(covidStatus.getRate());
+        }
+
+        try (FileOutputStream fo = new FileOutputStream(filename)) {
+            workbook.write(fo);
+        }
+
+        workbook.close();
+    }
+}