DefaultDatabaseConfigurator.java 文件源码

/**
 * Creates a static {@code Logger} instance.
 * 
 * @return a static {@code Logger} with properties:
 *         <ul>
 *         <li>Name: {@code "DefaultDatabaseConfigurator"}.</li>
 *         <li>Output file pattern:
 *         {@code user.home/.kawansoft/log/AceQL.log}.</li>
 *         <li>Formatter: {@code SimpleFormatter}.</li>
 *         <li>Limit: 200Mb.</li>
 *         <li>Count (number of files to use): 2.</li>
 *         </ul>
 */
@Override
public Logger getLogger() throws IOException {
    if (ACEQL_LOGGER != null) {
        return ACEQL_LOGGER;
    }

    File logDir = new File(SystemUtils.USER_HOME + File.separator + ".kawansoft" + File.separator + "log");
    logDir.mkdirs();

    String pattern = logDir.toString() + File.separator + "AceQL.log";

    ACEQL_LOGGER = Logger.getLogger(DefaultDatabaseConfigurator.class.getName());
    Handler fh = new FileHandler(pattern, 200 * 1024 * 1024, 2, true);
    fh.setFormatter(new SimpleFormatter());
    ACEQL_LOGGER.addHandler(fh);
    return ACEQL_LOGGER;

}