Java tutorial
/* * WebTop Services is a Web Application framework developed by Sonicle S.r.l. * Copyright (C) 2014 Sonicle S.r.l. * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU Affero General Public License version 3 as published by * the Free Software Foundation with the addition of the following permission * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED * WORK IN WHICH THE COPYRIGHT IS OWNED BY SONICLE, SONICLE DISCLAIMS THE * WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU Affero General Public License * along with this program; if not, see http://www.gnu.org/licenses or write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301 USA. * * You can contact Sonicle S.r.l. at email address sonicle@sonicle.com * * The interactive user interfaces in modified source and object code versions * of this program must display Appropriate Legal Notices, as required under * Section 5 of the GNU Affero General Public License version 3. * * In accordance with Section 7(b) of the GNU Affero General Public License * version 3, these Appropriate Legal Notices must retain the display of the * Sonicle logo and Sonicle copyright notice. If the display of the logo is not * reasonably feasible for technical reasons, the Appropriate Legal Notices must * display the words "Copyright (C) 2014 Sonicle S.r.l.". */ package com.sonicle.webtop.core.io.input; import java.io.InputStream; import java.util.HashMap; import java.util.LinkedHashMap; import org.apache.commons.lang3.StringUtils; import org.apache.poi.ss.util.CellReference; import org.apache.poi.xssf.eventusermodel.XSSFSheetXMLHandler.SheetContentsHandler; import org.apache.poi.xssf.usermodel.XSSFComment; /** * * @author malbinola */ public class XlsxColumnsHandler extends XlsxBaseHandler implements SheetContentsHandler { protected boolean isInRange = false; public LinkedHashMap<String, String> columnNames; public HashMap<String, Integer> columnIndexes; public XlsxColumnsHandler(InputStream is, int headersRow, int firstDataRow, int lastDataRow) { super(is, headersRow, firstDataRow, lastDataRow); } @Override public void startRow(int i) { row = i; isHeader = (row == headersRow); if (isHeader) { columnNames = new LinkedHashMap<>(); columnIndexes = new HashMap<>(); } isInRange = ((row >= firstDataRow) && ((lastDataRow == -1) || (row <= lastDataRow))); } @Override public void endRow(int i) { if (isHeader) close(); } @Override public void cell(String cellReference, String formattedValue, XSSFComment comment) { if (isHeader) { String name = (headersRow == firstDataRow) ? cellReference : StringUtils.defaultIfBlank(formattedValue, cellReference); columnNames.put(name.toLowerCase(), name); final int col = new CellReference(cellReference).getCol(); columnIndexes.put(name, col); /* String name = null; if(headersRow == firstDataRow) { columnNames.put(cellReference, cellReference); } else { if(!StringUtils.isBlank(cellReference)) { columnNames.put(cellReference.toLowerCase(), cellReference); } else { columnNames.put(cellReference, cellReference); } } columnNames.put(name.toLowerCase(), name); */ } } @Override public void headerFooter(String string, boolean bln, String string1) { } }