org.apache.poi.examples.xssf.streaming.Outlining Maven / Gradle / Ivy
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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
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http://www.apache.org/licenses/LICENSE-2.0
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See the License for the specific language governing permissions and
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package org.apache.poi.examples.xssf.streaming;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.poi.xssf.streaming.SXSSFSheet;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
public class Outlining {
public static void main(String[] args) throws IOException {
Outlining o = new Outlining();
o.collapseRow();
}
private void collapseRow() throws IOException {
try (SXSSFWorkbook wb2 = new SXSSFWorkbook(100)) {
SXSSFSheet sheet2 = wb2.createSheet("new sheet");
int rowCount = 20;
for (int i = 0; i < rowCount; i++) {
sheet2.createRow(i);
}
sheet2.groupRow(4, 9);
sheet2.groupRow(11, 19);
sheet2.setRowGroupCollapsed(4, true);
try (FileOutputStream fileOut = new FileOutputStream("outlining_collapsed.xlsx")) {
wb2.write(fileOut);
} finally {
//the dispose call is necessary to ensure temp files are removed
wb2.dispose();
}
}
}
}