private void renderToHandler(OutputTypeHandler outputHandler, UIData uiData, FacesContext fc) {
try {
int rowIndex = 0;
int numberOfRowsToDisplay = 0;
if (!isIgnorePagination()) {
rowIndex = uiData.getFirst();
numberOfRowsToDisplay = uiData.getRows();
first = rowIndex;
rows = numberOfRowsToDisplay;
}
int countOfRowsDisplayed = 0;
uiData.setRowIndex(rowIndex);
String[] includeColumnsArray = null;
String includeColumns = getIncludeColumns();
if (includeColumns != null) includeColumnsArray = includeColumns.split(",");
List columns = getRenderedChildColumnsList(uiData);
// System.out.println("DataExporter.renderToHandler() columns.size: " + columns.size());
// write header
// System.out.println("DataExporter.renderToHandler() HEADERS");
processAllColumns(fc, outputHandler, columns, includeColumnsArray, -1, false);
// System.out.println("DataExporter.renderToHandler() ROWS");
while (uiData.isRowAvailable()) {
if (numberOfRowsToDisplay > 0 && countOfRowsDisplayed >= numberOfRowsToDisplay) {
break;
}
// render the child columns; each one in a td
processAllColumns(
fc, outputHandler, columns, includeColumnsArray, countOfRowsDisplayed, false);
// keep track of rows displayed
countOfRowsDisplayed++;
// maintain the row index property on the underlying UIData
// component
rowIndex++;
uiData.setRowIndex(rowIndex);
}
// reset the underlying UIData component
uiData.setRowIndex(-1);
// write footer
// System.out.println("DataExporter.renderToHandler() FOOTERS");
processAllColumns(
fc, outputHandler, columns, includeColumnsArray, countOfRowsDisplayed, true);
outputHandler.flushFile();
} catch (Exception e) {
log.error("renderToHandler()", e);
}
}
