Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.vsquaresystem.safedeals.city; import com.vsquaresystem.safedeals.util.AttachmentUtils; import java.io.FileOutputStream; import java.io.IOException; import java.util.List; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.xssf.usermodel.XSSFRow; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; /** * * @author ruchita */ @Service @Transactional public class CityService { private final Logger logger = LoggerFactory.getLogger(getClass()); @Autowired private CityDAL cityDAL; @Autowired private AttachmentUtils attachmentUtils; private void writeBook(City alocation, Row row) { Cell cell = row.createCell(1); cell.setCellValue(alocation.getId()); cell = row.createCell(2); cell.setCellValue(alocation.getName()); cell = row.createCell(3); cell.setCellValue(alocation.getCountryId()); cell = row.createCell(4); cell.setCellValue(alocation.getStateId()); cell = row.createCell(5); cell.setCellValue(alocation.getLatitude()); cell = row.createCell(6); cell.setCellValue(alocation.getLongitude()); } public Boolean exportExcel() throws IOException { logger.info("getExportExcel method is working"); List<City> rs = cityDAL.findAllCities(); System.out.println("result set excel sop" + rs); XSSFWorkbook workbook = new XSSFWorkbook(); XSSFSheet sheet = workbook.createSheet("City Master"); XSSFRow xssfrow = sheet.createRow((short) 0); xssfrow.createCell(1); xssfrow.createCell(2); xssfrow.createCell(3); xssfrow.createCell(4); xssfrow.createCell(5); xssfrow.createCell(6); xssfrow.getCell(1).setCellValue("City Id"); xssfrow.getCell(2).setCellValue("Name"); xssfrow.getCell(3).setCellValue("Country Id"); xssfrow.getCell(4).setCellValue("State Id"); xssfrow.getCell(5).setCellValue("Latitude Id"); xssfrow.getCell(6).setCellValue("Longitude Id"); String fileName = "/CityMasterData.xls"; String exportPath = attachmentUtils.getCityExportAttachmentRootDirectory() + fileName; System.out.println("exportPath" + exportPath); int rowCount = 0; for (City aLocation : rs) { Row row = sheet.createRow(++rowCount); writeBook(aLocation, row); } try (FileOutputStream outputStream = new FileOutputStream(exportPath)) { workbook.write(outputStream); } return true; } }