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Even though this is just a simple example it's probably not a good idea to not close the streams correctly.

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353602 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Glen Stampoultzis 2004-09-22 00:42:43 +00:00
parent 6bfe3dc2b9
commit ccee8a80af
1 changed files with 27 additions and 16 deletions
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43
src/examples/src/org/apache/poi/hssf/usermodel/examples/ReadWriteWorkbook.java
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@ -39,23 +39,34 @@ public class ReadWriteWorkbook
public static void main(String[] args) public static void main(String[] args)
throws IOException throws IOException
{ {
POIFSFileSystem fs = FileInputStream fileIn = null;
new POIFSFileSystem(new FileInputStream("workbook.xls")); FileOutputStream fileOut = null;
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((short)3);
if (cell == null)
cell = row.createCell((short)3);
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
cell.setCellValue("a test");
// Write the output to a file try
FileOutputStream fileOut = new FileOutputStream("workbook.xls"); {
wb.write(fileOut); fileIn = new FileInputStream("workbook.xls");
fileOut.close(); 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((short)3);
if (cell == null)
cell = row.createCell((short)3);
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
cell.setCellValue("a test");
// Write the output to a file
fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
}
finally
{
if (fileOut != null)
fileOut.close();
if (fileIn != null)
fileIn.close();
}
} }
} }