private void updateColumnNames(ControlFile file) throws IOException {
boolean hasHeaderRow = file.getFileTypeControl().hasHeaderRow;
CSVReader headerReader = getCSVReader(file, 0);
String[] row = headerReader.readNext();
if (hasHeaderRow) {
columnNames = row;
} else {
columnNames = generatePlaceholderNames(row.length);
}
fireTableStructureChanged();
}
private CSVReader getCSVReader(ControlFile controlFile, int skip) throws IOException {
String path = controlFile.getFileTypeControl().filePath;
String encoding = controlFile.getFileTypeControl().encoding;
char sep = controlFile.getFileTypeControl().separator.charAt(0);
char quote = controlFile.getFileTypeControl().quote.charAt(0);
char escape = '\u0000';
InputStreamReader inputReader =
new InputStreamReader(
new FileInputStream(controlFile.getFileTypeControl().filePath),
controlFile.getFileTypeControl().encoding);
if (controlFile.getFileTypeControl().escape != null) {
if (controlFile.getFileTypeControl().escape.equals("")) escape = '\u0000';
else escape = controlFile.getFileTypeControl().escape.charAt(0);
}
CSVReader reader = new CSVReader(inputReader, sep, quote, escape, skip);
return reader;
}
// Return rows added
private int addSamples(ControlFile controlFile) throws IOException {
CSVReader reader = getCSVReader(controlFile, controlFile.getFileTypeControl().skip);
String[] row = reader.readNext();
int rowsAdded = 0;
while (row != null && rowsAdded < rowsToSample) {
// The consumers of this class assume a table with an equal number of columns in every row.
// If the row is blank, we'll need to get a placeholder with as many columns as the others to
// allow the
// control file editor the ability to load.
if (isBlankRow(row)) {
insertData(getBlankPlaceholderRow(getColumnCount()));
} else {
insertData(row);
}
rowsAdded++;
row = reader.readNext();
}
return rowsAdded;
}