Java tutorial
/* * Copyright (C) 2000 - 2009 TagServlet Ltd * * This file is part of Open BlueDragon (OpenBD) CFML Server Engine. * * OpenBD is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * Free Software Foundation,version 3. * * OpenBD 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 General Public License * along with OpenBD. If not, see http://www.gnu.org/licenses/ * * Additional permission under GNU GPL version 3 section 7 * * If you modify this Program, or any covered work, by linking or combining * it with any of the JARS listed in the README.txt (or a modified version of * (that library), containing parts covered by the terms of that JAR, the * licensors of this Program grant you additional permission to convey the * resulting work. * README.txt @ http://www.openbluedragon.org/license/README.txt * * http://www.openbluedragon.org/ */ package org.alanwilliamson.openbd.plugin.spreadsheet.functions; import java.util.Collections; import java.util.Iterator; import java.util.List; import org.alanwilliamson.openbd.plugin.spreadsheet.cfSpreadSheetData; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.Comment; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.ss.usermodel.Sheet; import com.naryx.tagfusion.cfm.engine.cfArrayData; import com.naryx.tagfusion.cfm.engine.cfData; import com.naryx.tagfusion.cfm.engine.cfNumberData; import com.naryx.tagfusion.cfm.engine.cfSession; import com.naryx.tagfusion.cfm.engine.cfStringData; import com.naryx.tagfusion.cfm.engine.cfStructData; import com.naryx.tagfusion.cfm.engine.cfmRunTimeException; import com.naryx.tagfusion.expression.function.functionBase; public class SpreadsheetGetCellComment extends functionBase { private static final long serialVersionUID = 1L; public SpreadsheetGetCellComment() { min = 1; max = 3; } public String[] getParamInfo() { return new String[] { "spreadsheet object", "rowNo", "columnNo" }; } public java.util.Map getInfo() { return makeInfo("spreadsheet-plugin", "Returns the comment stucture for the given cell on the active sheet", ReturnType.STRUCTURE); } public cfData execute(cfSession _session, List<cfData> parameters) throws cfmRunTimeException { Collections.reverse(parameters); if (parameters.size() == 2) { throwException(_session, "please specify both a row and a column"); } cfSpreadSheetData spreadsheet = (cfSpreadSheetData) parameters.get(0); Sheet sheet = spreadsheet.getActiveSheet(); if (parameters.size() == 3) { int rowNo = parameters.get(1).getInt() - 1; int columnNo = parameters.get(0).getInt() - 1; if (rowNo < 0) throwException(_session, "row must be 1 or greater (" + rowNo + ")"); if (columnNo < 0) throwException(_session, "column must be 1 or greater (" + columnNo + ")"); cfStructData sd = new cfStructData(); Row row = sheet.getRow(rowNo); if (row != null) { Cell cell = row.getCell(columnNo); if (cell != null) { Comment comment = cell.getCellComment(); if (comment != null) { sd.setData("column", new cfNumberData(columnNo)); sd.setData("row", new cfNumberData(rowNo)); sd.setData("author", new cfStringData(comment.getAuthor())); sd.setData("comment", new cfStringData(comment.getString().getString())); } } } return sd; } else { cfArrayData arr = cfArrayData.createArray(1); Iterator<Row> rowIT = sheet.rowIterator(); while (rowIT.hasNext()) { Row row = rowIT.next(); Iterator<Cell> cellIT = row.cellIterator(); while (cellIT.hasNext()) { Cell cell = cellIT.next(); Comment comment = cell.getCellComment(); if (comment != null) { cfStructData sd = new cfStructData(); sd.setData("column", new cfNumberData(cell.getColumnIndex() + 1)); sd.setData("row", new cfNumberData(row.getRowNum() + 1)); sd.setData("author", new cfStringData(comment.getAuthor())); sd.setData("comment", new cfStringData(comment.getString().getString())); arr.addElement(sd); } } } return arr; } } }