public void saveLog() {
File file = new File("." + File.separator);
String logFile = null;
try {
logFile =
RapidMinerGUI.getMainFrame()
.getProcess()
.getRootOperator()
.getParameterAsString(ProcessRootOperator.PARAMETER_LOGFILE);
} catch (UndefinedParameterError ex) {
// tries to use process file name for initialization
}
if (logFile != null) {
file = RapidMinerGUI.getMainFrame().getProcess().resolveFileName(logFile);
}
file = SwingTools.chooseFile(RapidMinerGUI.getMainFrame(), file, false, "log", "log file");
if (file != null) {
PrintWriter out = null;
try {
out = new PrintWriter(new FileWriter(file));
out.println(textArea.getText());
} catch (IOException ex) {
SwingTools.showSimpleErrorMessage("cannot_write_log_file", ex);
} finally {
if (out != null) {
out.close();
}
}
}
}
private synchronized void append(LogRecord record) {
Document doc = textArea.getStyledDocument();
String formatted = formatter.format(record);
if (record.getLevel().intValue() >= Level.SEVERE.intValue()) {
StyleConstants.setForeground(attributeSet, COLOR_ERROR);
StyleConstants.setBold(attributeSet, true);
} else if (record.getLevel().intValue() >= Level.WARNING.intValue()) {
StyleConstants.setForeground(attributeSet, COLOR_WARNING);
StyleConstants.setBold(attributeSet, true);
} else if (record.getLevel().intValue() >= Level.INFO.intValue()) {
StyleConstants.setForeground(attributeSet, COLOR_INFO);
StyleConstants.setBold(attributeSet, false);
} else {
StyleConstants.setForeground(attributeSet, COLOR_DEFAULT);
StyleConstants.setBold(attributeSet, false);
}
try {
doc.insertString(doc.getLength(), formatted, attributeSet);
} catch (BadLocationException e) {
// cannot happen
// rather dump to stderr than logging and having this method called back
e.printStackTrace();
}
if (maxRows >= 0) {
int removeLength = 0;
while (lineLengths.size() > maxRows) {
removeLength += lineLengths.removeFirst();
}
try {
doc.remove(0, removeLength);
} catch (BadLocationException e) {
SwingTools.showSimpleErrorMessage("error_during_logging", e);
}
}
textArea.setCaretPosition(textArea.getDocument().getLength());
}