Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2015 Rodrigo Quesada <rodrigoquesada.dev@gmail.com> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.rodrigodev.xgen4j_table_generator.model.table; import com.rodrigodev.xgen4j_table_generator.model.information.ErrorInfoWrapper; import com.rodrigodev.xgen4j_table_generator.model.information.InformationWrapper; import com.rodrigodev.xgen4j_table_generator.model.table.cell.*; import org.apache.poi.ss.usermodel.Workbook; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import javax.inject.Inject; import javax.inject.Singleton; import java.io.OutputStream; import java.util.List; /** * Created by Rodrigo Quesada on 15/07/15. */ @Singleton public class TableWriter { public static class InjectedFields { @Inject IdCellWriter idWriter; @Inject NumericIdCellWriter numericIdWriter; @Inject DescriptionCellWriter descriptionWriter; @Inject ExceptionCellWriter exceptionCellWriter; @Inject CommonCellWriter commonCellWriter; @Inject public InjectedFields() { } } private CellWriter[] cellWriters; @Inject public TableWriter(InjectedFields inj) { cellWriters = new CellWriter[] { inj.idWriter, inj.numericIdWriter, inj.descriptionWriter, inj.exceptionCellWriter, inj.commonCellWriter }; } public void write(InformationWrapper information, OutputStream output) { try { Workbook wb = new XSSFWorkbook(); Table table = new Table(wb.createSheet()); writeHeaders(information, table.newRow()); for (ErrorInfoWrapper errorInfo : information.list()) { writeContent(errorInfo, table.newRow()); } wb.write(output); } catch (Exception e) { throw new RuntimeException(e); } } private void writeHeaders(InformationWrapper information, Row row) { List<ErrorInfoWrapper> infoList = information.list(); if (!infoList.isEmpty()) { for (CellWriter cellWriter : cellWriters) { cellWriter.writeHeader(row, infoList.get(0)); } } } private void writeContent(ErrorInfoWrapper errorInfo, Row row) { for (CellWriter cellWriter : cellWriters) { cellWriter.writeContent(row, errorInfo); } } }