MemoryUserDatabaseMBean.java 文件源码

/**
 * Return the MBean Name for the specified role name (if any);
 * otherwise return <code>null</code>.
 *
 * @param rolename Role name to look up
 */
public String findRole(String rolename) {

    UserDatabase database = (UserDatabase) this.resource;
    Role role = database.findRole(rolename);
    if (role == null) {
        return (null);
    }
    try {
        ObjectName oname =
            MBeanUtils.createObjectName(managedRole.getDomain(), role);
        return (oname.toString());
    } catch (MalformedObjectNameException e) {
        IllegalArgumentException iae = new IllegalArgumentException
            ("Cannot create object name for role [" + rolename + "]");
        iae.initCause(e);
        throw iae;
    }

}