Subversion Repositories SmartDukaan

package com.spice.profitmandi.common.util;

import java.io.IOException;

import java.io.InputStream;

import java.time.LocalDateTime;

import java.time.ZoneId;

import java.util.ArrayList;

import java.util.Date;

import java.util.List;

import org.apache.poi.hssf.usermodel.HSSFDateUtil;

import org.apache.poi.sl.usermodel.Sheet;

import org.apache.poi.ss.usermodel.CellType;

import org.apache.poi.ss.usermodel.Row.MissingCellPolicy;

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 com.spice.profitmandi.common.exception.ProfitMandiBusinessException;

import com.spice.profitmandi.common.model.ProfitMandiConstants;

import com.spice.profitmandi.common.model.TagListingModel;

public class ExcelUtils {

	private static final String TAG_ID = "Tag Id";

	private static final String TAG_LABEL = "Tag Label";

	private static final String ITEM_ID = "Item Id";

	private static final String BRAND = "Brand";

	private static final String MODEL_NAME = "Model Name";

	private static final String MODEL_NUMBER = "Model Number";

	private static final String COLOR = "Color";

	private static final String SELLING_PRICE = "Selling Price";

	private static final String MOP = "MOP";

	private static final String SUPPORT_PRICE = "Support Price";

	private static final String START_DATE = "Start Date";

	private static final String TAG_LISTING = "Tag Listing";

	private static final Logger LOGGER = LoggerFactory.getLogger(ExcelUtils.class);

	public static void main(String[] args) throws Throwable{

		parse(null);

	}

	public static List<TagListingModel> parse(InputStream inputStream) throws Throwable {

		List<TagListingModel> tagListings = new ArrayList<>();

		XSSFWorkbook myWorkBook = null;

		try{

			//FileInputStream fileInputStream = new FileInputStream("/home/ashikali/tag_listing1.xlsx");

			myWorkBook = new XSSFWorkbook (inputStream);

			myWorkBook.setMissingCellPolicy(MissingCellPolicy.RETURN_BLANK_AS_NULL);

			// Return first sheet from the XLSX workbook 

			XSSFSheet mySheet = myWorkBook.getSheetAt(0);

			LOGGER.info("rowCellNum {}", mySheet.getLastRowNum());

			for(int rowNumber = 1; rowNumber <= mySheet.getLastRowNum(); rowNumber++){

				XSSFRow row = mySheet.getRow(rowNumber);

				LOGGER.info("row {}", row);

				TagListingModel tagListing = new TagListingModel();

				if(row.getCell(0) != null && row.getCell(0).getCellTypeEnum() == CellType.NUMERIC){

					tagListing.setTagId((Double.valueOf(row.getCell(0).getNumericCellValue())).intValue());

				}else{

					ProfitMandiBusinessException profitMandiBusinessException = new ProfitMandiBusinessException(TAG_ID, row.getCell(0).toString(), "TGLSTNG_VE_1010");

					LOGGER.error("Excel file parse error : ", profitMandiBusinessException);

					throw profitMandiBusinessException;

				}

				if(row.getCell(2) != null && row.getCell(2).getCellTypeEnum() == CellType.NUMERIC){

					tagListing.setItemId(Double.valueOf(row.getCell(2).toString()).intValue());

				}else{

					ProfitMandiBusinessException profitMandiBusinessException = new ProfitMandiBusinessException(ITEM_ID, row.getCell(2).toString(), "TGLSTNG_VE_1010");

					LOGGER.error("Excel file parse error : ", profitMandiBusinessException);

					throw profitMandiBusinessException;

				}

				if(row.getCell(7) != null && row.getCell(7).getCellTypeEnum() == CellType.NUMERIC){

					tagListing.setSellingPrice(Double.valueOf(row.getCell(7).toString()).floatValue());

				}else{

					ProfitMandiBusinessException profitMandiBusinessException = new ProfitMandiBusinessException(SELLING_PRICE, row.getCell(7), "TGLSTNG_VE_1010");

					LOGGER.error("Excel file parse error : ", profitMandiBusinessException);

					throw profitMandiBusinessException;

				}

				if(row.getCell(8) != null && row.getCell(8).getCellTypeEnum() == CellType.NUMERIC){

					tagListing.setMop(Double.valueOf(row.getCell(8).toString()).floatValue());

				}else{

					ProfitMandiBusinessException profitMandiBusinessException = new ProfitMandiBusinessException(MOP, row.getCell(8), "TGLSTNG_VE_1010");

					LOGGER.error("Excel file parse error : ", profitMandiBusinessException);

					throw profitMandiBusinessException;

				}

				if(row.getCell(9) != null && row.getCell(9).getCellTypeEnum() == CellType.NUMERIC){

					tagListing.setSupportPrice(Double.valueOf(row.getCell(9).toString()).floatValue());

				}else{

					ProfitMandiBusinessException profitMandiBusinessException = new ProfitMandiBusinessException(SUPPORT_PRICE, row.getCell(9).toString(), "TGLSTNG_VE_1010");

					LOGGER.error("Excel file parse error : ", profitMandiBusinessException);

					throw profitMandiBusinessException;

				}

				if(row.getCell(10) != null && HSSFDateUtil.isCellDateFormatted(row.getCell(10))){

					Date date = row.getCell(10).getDateCellValue();

					LocalDateTime startDate = LocalDateTime.ofInstant(date.toInstant(), ZoneId.systemDefault());

					tagListing.setStartDate(startDate);

				}else{

					ProfitMandiBusinessException profitMandiBusinessException = new ProfitMandiBusinessException(START_DATE, row.getCell(10).toString(), "TGLSTNG_VE_1010");

					LOGGER.error("Excel file parse error : ", profitMandiBusinessException);

					throw  profitMandiBusinessException;

				}

				tagListings.add(tagListing);

			}

			myWorkBook.close();

		} catch(IOException ioException){

			ioException.printStackTrace();

			throw new ProfitMandiBusinessException(ProfitMandiConstants.EXCEL_FILE, ioException.getMessage(), "EXL_VE_1000");

		} finally {

			if(myWorkBook != null){

				try {

					myWorkBook.close();

				} catch (IOException e) {

					// TODO Auto-generated catch block

					e.printStackTrace();

				}

			}

		}

		return tagListings;

	}

}