private static MemoryHistory getHistory() {
MemoryHistory history;
File historyFile = new File(getUserHome(), ".presto_history");
try {
history = new FileHistory(historyFile);
} catch (IOException e) {
System.err.printf(
"WARNING: Failed to load history file (%s): %s. "
+ "History will not be available during this session.%n",
historyFile, e.getMessage());
history = new MemoryHistory();
}
history.setAutoTrim(true);
return history;
}
public AnsiTerminalCommand(
File historyFile, int historySize, boolean useColor, UserAdminShell shell) {
_useColors = useColor;
_userAdminShell = shell;
if (historyFile != null && (!historyFile.exists() || historyFile.isFile())) {
try {
_history = new FileHistory(historyFile);
_history.setMaxSize(historySize);
} catch (IOException e) {
_logger.warn("History creation failed: " + e.getMessage());
}
}
}