| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.commons.jelly.tags.jmx; |
| |
| import javax.management.MBeanServer; |
| import javax.management.MBeanServerFactory; |
| |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.MissingAttributeException; |
| import org.apache.commons.jelly.TagSupport; |
| import org.apache.commons.jelly.XMLOutput; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| /** |
| * Binds a Java bean to the given named Jelly tag so that the attributes of |
| * the tag set the bean properties.. |
| * |
| * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
| * @version $Revision$ |
| */ |
| public class ServerTag extends TagSupport { |
| |
| /** The Log to which logging calls will be made. */ |
| private static final Log log = LogFactory.getLog(ServerTag.class); |
| |
| private MBeanServer server; |
| |
| public ServerTag() { |
| } |
| |
| // Tag interface |
| //------------------------------------------------------------------------- |
| public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException { |
| |
| // force the creation of a Server |
| MBeanServer server = getServer(); |
| |
| // allow children to register beans |
| invokeBody(output); |
| } |
| |
| |
| // Properties |
| //------------------------------------------------------------------------- |
| /** |
| * @return MBeanServer |
| */ |
| public MBeanServer getServer() { |
| if (server == null) { |
| server = createServer(); |
| } |
| return server; |
| } |
| |
| /** |
| * Sets the server. |
| * @param server The server to set |
| */ |
| public void setServer(MBeanServer server) { |
| this.server = server; |
| } |
| |
| |
| |
| // Implementation methods |
| //------------------------------------------------------------------------- |
| /** |
| * Factory method to lazily create an MBeanServer if none is supplied |
| * |
| * @return MBeanServer |
| */ |
| protected MBeanServer createServer() { |
| return MBeanServerFactory.newMBeanServer(); |
| } |
| |
| } |