Java tutorial
/* * Copyright 2012-2016 bambooCORE, greenstep of copyright Chen Xin Nien * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * ----------------------------------------------------------------------- * * author: Chen Xin Nien * contact: chen.xin.nien@gmail.com * */ package com.netsteadfast.greenstep.bsc.command; import java.io.File; import java.io.FileOutputStream; import java.util.List; import org.apache.commons.chain.Command; import org.apache.commons.chain.Context; import org.apache.poi.ss.usermodel.BorderStyle; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.FillPatternType; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.xssf.usermodel.XSSFCellStyle; import org.apache.poi.xssf.usermodel.XSSFColor; import org.apache.poi.xssf.usermodel.XSSFFont; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import com.netsteadfast.greenstep.base.BaseChainCommandSupport; import com.netsteadfast.greenstep.base.Constants; import com.netsteadfast.greenstep.bsc.model.PeriodTrendsData; import com.netsteadfast.greenstep.bsc.util.BscReportSupportUtils; import com.netsteadfast.greenstep.model.UploadTypes; import com.netsteadfast.greenstep.util.SimpleUtils; import com.netsteadfast.greenstep.util.UploadSupportUtils; import com.netsteadfast.greenstep.vo.KpiVO; public class KpiPeriodTrendsExcelCommand extends BaseChainCommandSupport implements Command { public KpiPeriodTrendsExcelCommand() { super(); } @Override public boolean execute(Context context) throws Exception { String uploadOid = this.createExcel(context); this.setResult(context, uploadOid); return false; } private String createExcel(Context context) throws Exception { String fileName = SimpleUtils.getUUIDStr() + ".xlsx"; String fileFullPath = Constants.getWorkTmpDir() + "/" + fileName; XSSFWorkbook wb = new XSSFWorkbook(); XSSFSheet sh = wb.createSheet(); this.putTables(wb, sh, context); FileOutputStream out = new FileOutputStream(fileFullPath); wb.write(out); out.close(); wb = null; File file = new File(fileFullPath); String oid = UploadSupportUtils.create(Constants.getSystem(), UploadTypes.IS_TEMP, false, file, "kpis-period-trends.xlsx"); file = null; return oid; } @SuppressWarnings("unchecked") private void putTables(XSSFWorkbook wb, XSSFSheet sh, Context context) throws Exception { XSSFCellStyle cellHeadStyle = wb.createCellStyle(); cellHeadStyle.setFillForegroundColor(new XSSFColor(SimpleUtils.getColorRGB4POIColor("#f5f5f5"))); cellHeadStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND); cellHeadStyle.setBorderBottom(BorderStyle.THIN); cellHeadStyle.setBorderTop(BorderStyle.THIN); cellHeadStyle.setBorderRight(BorderStyle.THIN); cellHeadStyle.setBorderLeft(BorderStyle.THIN); XSSFFont cellHeadFont = wb.createFont(); cellHeadFont.setBold(true); cellHeadStyle.setFont(cellHeadFont); sh.setColumnWidth(0, 12000); int row = 0; Row nowRow = sh.createRow(row); Cell cell1 = nowRow.createCell(0); cell1.setCellStyle(cellHeadStyle); cell1.setCellValue("KPI"); Cell cell2 = nowRow.createCell(1); cell2.setCellStyle(cellHeadStyle); cell2.setCellValue("Maximum"); Cell cell3 = nowRow.createCell(2); cell3.setCellStyle(cellHeadStyle); cell3.setCellValue("Target"); Cell cell4 = nowRow.createCell(3); cell4.setCellStyle(cellHeadStyle); cell4.setCellValue("Minimum"); Cell cell5 = nowRow.createCell(4); cell5.setCellStyle(cellHeadStyle); cell5.setCellValue("Current score"); Cell cell6 = nowRow.createCell(5); cell6.setCellStyle(cellHeadStyle); cell6.setCellValue("Previous score"); Cell cell7 = nowRow.createCell(6); cell7.setCellStyle(cellHeadStyle); cell7.setCellValue("Change(%)"); row++; List<PeriodTrendsData<KpiVO>> periodDatas = (List<PeriodTrendsData<KpiVO>>) context.get("periodDatas"); for (PeriodTrendsData<KpiVO> periodData : periodDatas) { nowRow = sh.createRow(row); cell1 = nowRow.createCell(0); cell1.setCellValue(periodData.getCurrent().getName()); cell2 = nowRow.createCell(1); cell2.setCellValue(periodData.getCurrent().getMax()); cell3 = nowRow.createCell(2); cell3.setCellValue(periodData.getCurrent().getTarget()); cell4 = nowRow.createCell(3); cell4.setCellValue(periodData.getCurrent().getMin()); cell5 = nowRow.createCell(4); cell5.setCellValue(BscReportSupportUtils.parse2(periodData.getCurrent().getScore())); cell6 = nowRow.createCell(5); cell6.setCellValue(BscReportSupportUtils.parse2(periodData.getPrevious().getScore())); cell7 = nowRow.createCell(6); cell7.setCellValue(BscReportSupportUtils.parse2(periodData.getChange())); row++; } nowRow = sh.createRow(row); cell1 = nowRow.createCell(0); cell1.setCellValue("Current period: " + (String) context.get("currentPeriodDateRange") + " , Previous period: " + (String) context.get("previousPeriodDateRange")); } }