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SAK-33378 Jsf xlsx (sakaiproject#4809)
* SpreadsheetDataFileWriterXl: @deprecated SpreadsheetDataFileWriterXlsx: add usermebership-tool: Export * sections/sections-app/src/java/org/sakaiproject/tool/section/jsf/backingbean/RosterBean.java XLSX
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...-spreadsheet/src/java/org/sakaiproject/jsf/spreadsheet/SpreadsheetDataFileWriterXlsx.java
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| /********************************************************************************** | ||
| * | ||
| * $Id$ | ||
| * | ||
| *********************************************************************************** | ||
| * | ||
| * Copyright (c) 2007, 2008 The Sakai Foundation | ||
| * | ||
| * Licensed under the Educational Community 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.opensource.org/licenses/ECL-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. | ||
| * | ||
| **********************************************************************************/ | ||
|
|
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| package org.sakaiproject.jsf.spreadsheet; | ||
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|
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| import java.io.IOException; | ||
| import java.io.OutputStream; | ||
| import java.util.Iterator; | ||
| import java.util.List; | ||
|
|
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| import javax.servlet.http.HttpServletResponse; | ||
|
|
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| import org.apache.poi.hssf.util.HSSFColor; | ||
| import org.apache.poi.ss.usermodel.BorderStyle; | ||
| import org.apache.poi.ss.usermodel.Cell; | ||
| import org.apache.poi.ss.usermodel.CellStyle; | ||
| import org.apache.poi.ss.usermodel.Font; | ||
| 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.streaming.SXSSFWorkbook; | ||
| import org.sakaiproject.component.cover.ServerConfigurationService; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| /** | ||
| * | ||
| */ | ||
| public class SpreadsheetDataFileWriterXlsx implements SpreadsheetDataFileWriter { | ||
| private static final Logger log = LoggerFactory.getLogger(SpreadsheetDataFileWriter.class); | ||
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| public void writeDataToResponse(List<List<Object>> spreadsheetData, String fileName, HttpServletResponse response) { | ||
| response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); | ||
| SpreadsheetUtil.setEscapedAttachmentHeader(response, fileName + ".xlsx"); | ||
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| OutputStream out = null; | ||
| try { | ||
| out = response.getOutputStream(); | ||
| getAsWorkbook(spreadsheetData).write(out); | ||
| out.flush(); | ||
| } catch (IOException e) { | ||
| log.error(e.getMessage()); | ||
| } finally { | ||
| try { | ||
| if (out != null) out.close(); | ||
| } catch (IOException e) { | ||
| log.error(e.getMessage()); | ||
| } | ||
| } | ||
| } | ||
|
|
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| private Workbook getAsWorkbook(List<List<Object>> spreadsheetData) { | ||
| Workbook wb = new SXSSFWorkbook(); | ||
| Sheet sheet = wb.createSheet(); | ||
| CellStyle headerCs = wb.createCellStyle(); | ||
| Iterator<List<Object>> dataIter = spreadsheetData.iterator(); | ||
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| // Set the header style | ||
| headerCs.setBorderBottom(BorderStyle.THICK); | ||
| //TODO | ||
| headerCs.setFillBackgroundColor(HSSFColor.BLUE_GREY.index); | ||
|
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| // Set the font | ||
| CellStyle cellStyle = null; | ||
| String fontName = ServerConfigurationService.getString("spreadsheet.font"); | ||
| if (fontName != null) { | ||
| Font font = wb.createFont(); | ||
| font.setFontName(fontName); | ||
| headerCs.setFont(font); | ||
| cellStyle = wb.createCellStyle(); | ||
| cellStyle.setFont(font); | ||
| } | ||
|
|
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| // By convention, the first list in the list contains column headers. | ||
| Row headerRow = sheet.createRow((short)0); | ||
| List<Object> headerList = dataIter.next(); | ||
| for (short i = 0; i < headerList.size(); i++) { | ||
| Cell headerCell = createCell(headerRow, i); | ||
| headerCell.setCellValue((String)headerList.get(i)); | ||
| headerCell.setCellStyle(headerCs); | ||
| //TODO | ||
| //sheet.autoSizeColumn(i); | ||
| } | ||
|
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| short rowPos = 1; | ||
| while (dataIter.hasNext()) { | ||
| List<Object> rowData = dataIter.next(); | ||
| Row row = sheet.createRow(rowPos++); | ||
| for (short i = 0; i < rowData.size(); i++) { | ||
| Cell cell = createCell(row, i); | ||
| Object data = rowData.get(i); | ||
| if (data != null) { | ||
| if (data instanceof Double) { | ||
| cell.setCellValue(((Double)data).doubleValue()); | ||
| } else { | ||
| cell.setCellValue(data.toString()); | ||
| } | ||
| if (cellStyle != null) { | ||
| cell.setCellStyle(cellStyle); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| return wb; | ||
| } | ||
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| private Cell createCell(Row row, short column) { | ||
| Cell cell = row.createCell(Integer.valueOf(column).intValue()); | ||
| return cell; | ||
| } | ||
|
|
||
| } |
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