001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018 package org.apache.geronimo.j2ee.management.impl;
019
020 import java.util.Hashtable;
021 import java.util.Collection;
022 import javax.management.ObjectName;
023
024 import org.apache.geronimo.gbean.GBeanInfo;
025 import org.apache.geronimo.gbean.GBeanInfoBuilder;
026 import org.apache.geronimo.kernel.ObjectNameUtil;
027 import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
028 import org.apache.geronimo.management.geronimo.J2EEDomain;
029 import org.apache.geronimo.management.geronimo.J2EEServer;
030
031 /**
032 * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
033 */
034 public class J2EEDomainImpl implements J2EEDomain {
035 private final String objectName;
036 private final Collection servers;
037
038 public J2EEDomainImpl(String objectName, Collection servers) {
039 this.objectName = objectName;
040 ObjectName myObjectName = ObjectNameUtil.getObjectName(this.objectName);
041 verifyObjectName(myObjectName);
042 this.servers = servers;
043 }
044
045 public String getObjectName() {
046 return objectName;
047 }
048
049 public boolean isStateManageable() {
050 return true;
051 }
052
053 public boolean isStatisticsProvider() {
054 return false;
055 }
056
057 public boolean isEventProvider() {
058 return true;
059 }
060
061 /**
062 * ObjectName must match this pattern:
063 * <p/>
064 * domain:j2eeType=J2EEDomain,name=domain
065 */
066 private void verifyObjectName(ObjectName objectName) {
067 if (objectName.isPattern()) {
068 throw new InvalidObjectNameException("ObjectName can not be a pattern", objectName);
069 }
070 Hashtable keyPropertyList = objectName.getKeyPropertyList();
071 if (!"J2EEDomain".equals(keyPropertyList.get("j2eeType"))) {
072 throw new InvalidObjectNameException("J2EEDomain object name j2eeType property must be 'J2EEDomain'", objectName);
073 }
074 String name = (String) keyPropertyList.get("name");
075 if (!objectName.getDomain().equals(name)) {
076 throw new InvalidObjectNameException("Domain part of J2EEDomain object name must match name propert", objectName);
077 }
078 }
079
080
081 public String[] getServers() {
082 return Util.getObjectNames(getServerInstances());
083 }
084
085 public J2EEServer[] getServerInstances() {
086 if (servers == null) return new J2EEServer[0];
087 return (J2EEServer[]) servers.toArray(new J2EEServer[servers.size()]);
088 }
089
090 public static final GBeanInfo GBEAN_INFO;
091
092 static {
093 GBeanInfoBuilder infoFactory = GBeanInfoBuilder.createStatic(J2EEDomainImpl.class, NameFactory.J2EE_DOMAIN);
094
095 infoFactory.addReference("Servers", J2EEServer.class, NameFactory.J2EE_SERVER);
096 infoFactory.setConstructor(new String[]{"objectName", "Servers"});
097
098 GBEAN_INFO = infoFactory.getBeanInfo();
099 }
100
101 public static GBeanInfo getGBeanInfo() {
102 return GBEAN_INFO;
103 }
104 }