MBeanUtils.java 文件源码

/**
 * Create, register, and return an MBean for this
 * <code>ContextEnvironment</code> object.
 *
 * @param environment
 *            The ContextEnvironment to be managed
 *
 * @exception Exception
 *                if an MBean cannot be created or registered
 */
public static DynamicMBean createMBean(ContextEnvironment environment) throws Exception {

    String mname = createManagedName(environment);
    ManagedBean managed = registry.findManagedBean(mname);
    if (managed == null) {
        Exception e = new Exception("ManagedBean is not found with " + mname);
        throw new MBeanException(e);
    }
    String domain = managed.getDomain();
    if (domain == null)
        domain = mserver.getDefaultDomain();
    DynamicMBean mbean = managed.createMBean(environment);
    ObjectName oname = createObjectName(domain, environment);
    if (mserver.isRegistered(oname)) {
        mserver.unregisterMBean(oname);
    }
    mserver.registerMBean(mbean, oname);
    return (mbean);

}