List of usage examples for org.apache.poi.xssf.streaming SXSSFSheet setRowGroupCollapsed
@Override public void setRowGroupCollapsed(int row, boolean collapse)
From source file:poi.xssf.streaming.examples.Outlining.java
License:Apache License
private void collapseRow() throws Exception { SXSSFWorkbook wb2 = new SXSSFWorkbook(100); SXSSFSheet sheet2 = (SXSSFSheet) wb2.createSheet("new sheet"); int rowCount = 20; for (int i = 0; i < rowCount; i++) { sheet2.createRow(i);// ww w. j a v a 2 s . com } sheet2.groupRow(4, 9); sheet2.groupRow(11, 19); sheet2.setRowGroupCollapsed(4, true); FileOutputStream fileOut = new FileOutputStream("outlining_collapsed.xlsx"); wb2.write(fileOut); fileOut.close(); wb2.dispose(); }