MemoryUserDatabaseMBean.java 文件源码

/**
 * Return the MBean Name for the specified group name (if any);
 * otherwise return <code>null</code>.
 *
 * @param groupname Group name to look up
 */
public String findGroup(String groupname) {

    UserDatabase database = (UserDatabase) this.resource;
    Group group = database.findGroup(groupname);
    if (group == null) {
        return (null);
    }
    try {
        ObjectName oname =
            MBeanUtils.createObjectName(managedGroup.getDomain(), group);
        return (oname.toString());
    } catch (MalformedObjectNameException e) {
        IllegalArgumentException iae = new IllegalArgumentException
            ("Cannot create object name for group [" + groupname + "]");
        iae.initCause(e);
        throw iae;
    }

}