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- /* ====================================================================
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You 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.
- ==================================================================== */
-
- package org.apache.poi.examples.hssf.usermodel;
-
- import java.io.FileInputStream;
- import java.io.FileOutputStream;
- import java.io.IOException;
-
- import org.apache.poi.hssf.usermodel.HSSFCell;
- import org.apache.poi.hssf.usermodel.HSSFRow;
- import org.apache.poi.hssf.usermodel.HSSFSheet;
- import org.apache.poi.hssf.usermodel.HSSFWorkbook;
- import org.apache.poi.poifs.filesystem.POIFSFileSystem;
-
- /**
- * This example demonstrates opening a workbook, modifying it and writing
- * the results back out.
- *
- * @author Glen Stampoultzis (glens at apache.org)
- */
- public class ReadWriteWorkbook {
- public static void main(String[] args) throws IOException {
- try (FileInputStream fileIn = new FileInputStream("workbook.xls")) {
- POIFSFileSystem fs = new POIFSFileSystem(fileIn);
- HSSFWorkbook wb = new HSSFWorkbook(fs);
- HSSFSheet sheet = wb.getSheetAt(0);
- HSSFRow row = sheet.getRow(2);
- if (row == null)
- row = sheet.createRow(2);
- HSSFCell cell = row.getCell(3);
- if (cell == null)
- cell = row.createCell(3);
- cell.setCellValue("a test");
-
- // Write the output to a file
- try (FileOutputStream fileOut = new FileOutputStream("workbookout.xls")) {
- wb.write(fileOut);
- }
- }
- }
- }
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