protected void processColumnHeader(
FacesContext fc, OutputTypeHandler outputHandler, UIComponent uiColumn, int colIndex) {
UIComponent headerComp = uiColumn.getFacet("header");
if (headerComp != null) {
String headerText = encodeParentAndChildrenAsString(fc, headerComp);
if (headerText != null) {
outputHandler.writeHeaderCell(headerText, colIndex);
}
}
}
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);
}
}
private File createFile(FacesContext fc, String type, UIData uiData) {
OutputTypeHandler outputHandler = null;
String path = CoreUtils.getRealPath(fc, "/export");
File exportDir = new File(path);
if (!exportDir.exists()) exportDir.mkdirs();
String pathWithoutExt = path + "/export_" + new Date().getTime();
if (getOutputTypeHandler() != null) outputHandler = getOutputTypeHandler();
else if (DataExporter.EXCEL_TYPE.equals(getType())) {
outputHandler = new ExcelOutputHandler(pathWithoutExt + ".xls", fc, uiData.getId());
} else if (DataExporter.CSV_TYPE.equals(getType())) {
outputHandler = new CSVOutputHandler(pathWithoutExt + ".csv");
} else if (DataExporter.PDF_TYPE.equals(getType())) {
outputHandler = new PDFOutputHandler(pathWithoutExt + ".pdf", uiData.getId());
} else {
outputHandler = NoopOutputHandler;
}
renderToHandler(outputHandler, uiData, fc);
setMimeType(outputHandler.getMimeType());
return outputHandler.getFile();
}
protected void processColumnFooter(
FacesContext fc,
OutputTypeHandler outputHandler,
UIComponent uiColumn,
int colIndex,
int countOfRowsDisplayed) {
UIComponent footerComp = uiColumn.getFacet("footer");
if (footerComp != null) {
Object output = encodeParentAndChildrenAsString(fc, footerComp);
if (output != null) {
outputHandler.writeFooterCell(output, colIndex, countOfRowsDisplayed);
}
}
}
protected void processColumn(
FacesContext fc,
OutputTypeHandler outputHandler,
UIComponent uiColumn,
int colIndex,
int countOfRowsDisplayed) {
StringBuffer stringOutput = new StringBuffer();
Iterator childrenOfThisColumn = uiColumn.getChildren().iterator();
while (childrenOfThisColumn.hasNext()) {
UIComponent nextChild = (UIComponent) childrenOfThisColumn.next();
if (nextChild.isRendered() && !(nextChild instanceof RowSelector)) {
stringOutput.append(encodeParentAndChildrenAsString(fc, nextChild));
// a blank to separate
if (childrenOfThisColumn.hasNext()) {
stringOutput.append(' ');
}
}
}
outputHandler.writeCell(stringOutput.toString(), colIndex, countOfRowsDisplayed);
}
