liquibase-core/src/main/java/liquibase/util/ui/SwingUIFacade.java
@Override
    public boolean promptForNonLocalDatabase(Database database) throws DatabaseException {
        return JOptionPane.showConfirmDialog(null, "You are running a database migration against a non-local database." + StreamUtil.getLineSeparator() +
                "Database URL is: " + database.getConnection().getURL() + StreamUtil.getLineSeparator() +
                "Username is: " + database.getConnection().getConnectionUserName() + StreamUtil.getLineSeparator() + StreamUtil.getLineSeparator() +
                "Are you sure you want to do this?",
                "Confirm", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.NO_OPTION;
    }
@Override
    public boolean promptForNonLocalDatabase(Database database) throws DatabaseException {
        return JOptionPane.showConfirmDialog(null, "You are running a database migration against a non-local database." + StreamUtil.getLineSeparator() +
                "Database URL is: " + database.getConnection().getURL() + StreamUtil.getLineSeparator() +
                "Username is: " + database.getConnection().getConnectionUserName() + StreamUtil.getLineSeparator() + StreamUtil.getLineSeparator() +
                "Are you sure you want to do this?",
                "Confirm", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.NO_OPTION;
    }
Displays swing-based dialog about running against a non-localhost database.
Returns true if the user selected that they are OK with that.