MemoryUserDatabaseMBean.java 文件源码

/**
 * Return the MBean Name for the specified user name (if any);
 * otherwise return <code>null</code>.
 *
 * @param username User name to look up
 */
public String findUser(String username) {

    UserDatabase database = (UserDatabase) this.resource;
    User user = database.findUser(username);
    if (user == null) {
        return (null);
    }
    try {
        ObjectName oname =
            MBeanUtils.createObjectName(managedUser.getDomain(), user);
        return (oname.toString());
    } catch (MalformedObjectNameException e) {
        IllegalArgumentException iae = new IllegalArgumentException
            ("Cannot create object name for user [" + username + "]");
        iae.initCause(e);
        throw iae;
    }

}