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    1   /**
    2    *  Licensed to the Apache Software Foundation (ASF) under one or more
    3    *  contributor license agreements.  See the NOTICE file distributed with
    4    *  this work for additional information regarding copyright ownership.
    5    *  The ASF licenses this file to You under the Apache License, Version 2.0
    6    *  (the "License"); you may not use this file except in compliance with
    7    *  the License.  You may obtain a copy of the License at
    8    *
    9    *     http://www.apache.org/licenses/LICENSE-2.0
   10    *
   11    *  Unless required by applicable law or agreed to in writing, software
   12    *  distributed under the License is distributed on an "AS IS" BASIS,
   13    *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   14    *  See the License for the specific language governing permissions and
   15    *  limitations under the License.
   16    */
   17   
   18   package org.apache.geronimo.j2ee.management.impl;
   19   
   20   import java.util.Hashtable;
   21   import java.util.Collection;
   22   import javax.management.ObjectName;
   23   
   24   import org.apache.geronimo.gbean.GBeanInfo;
   25   import org.apache.geronimo.gbean.GBeanInfoBuilder;
   26   import org.apache.geronimo.kernel.ObjectNameUtil;
   27   import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
   28   import org.apache.geronimo.management.geronimo.J2EEDomain;
   29   import org.apache.geronimo.management.geronimo.J2EEServer;
   30   
   31   /**
   32    * @version $Rev: 476049 $ $Date: 2006-11-16 20:35:17 -0800 (Thu, 16 Nov 2006) $
   33    */
   34   public class J2EEDomainImpl implements J2EEDomain {
   35       private final String objectName;
   36       private final Collection servers;
   37   
   38       public J2EEDomainImpl(String objectName, Collection servers) {
   39           this.objectName = objectName;
   40           ObjectName myObjectName = ObjectNameUtil.getObjectName(this.objectName);
   41           verifyObjectName(myObjectName);
   42           this.servers = servers;
   43       }
   44   
   45       public String getObjectName() {
   46           return objectName;
   47       }
   48   
   49       public boolean isStateManageable() {
   50           return true;
   51       }
   52   
   53       public boolean isStatisticsProvider() {
   54           return false;
   55       }
   56   
   57       public boolean isEventProvider() {
   58           return true;
   59       }
   60   
   61       /**
   62        * ObjectName must match this pattern:
   63        * <p/>
   64        * domain:j2eeType=J2EEDomain,name=domain
   65        */
   66       private void verifyObjectName(ObjectName objectName) {
   67           if (objectName.isPattern()) {
   68               throw new InvalidObjectNameException("ObjectName can not be a pattern", objectName);
   69           }
   70           Hashtable keyPropertyList = objectName.getKeyPropertyList();
   71           if (!"J2EEDomain".equals(keyPropertyList.get("j2eeType"))) {
   72               throw new InvalidObjectNameException("J2EEDomain object name j2eeType property must be 'J2EEDomain'", objectName);
   73           }
   74           String name = (String) keyPropertyList.get("name");
   75           if (!objectName.getDomain().equals(name)) {
   76               throw new InvalidObjectNameException("Domain part of J2EEDomain object name must match name propert", objectName);
   77           }
   78       }
   79   
   80   
   81       public String[] getServers() {
   82           return Util.getObjectNames(getServerInstances());
   83       }
   84   
   85       public J2EEServer[] getServerInstances() {
   86           if (servers == null) return new J2EEServer[0];
   87           return (J2EEServer[]) servers.toArray(new J2EEServer[servers.size()]);
   88       }
   89   
   90       public static final GBeanInfo GBEAN_INFO;
   91   
   92       static {
   93           GBeanInfoBuilder infoFactory = GBeanInfoBuilder.createStatic(J2EEDomainImpl.class, NameFactory.J2EE_DOMAIN);
   94   
   95           infoFactory.addReference("Servers", J2EEServer.class, NameFactory.J2EE_SERVER);
   96           infoFactory.setConstructor(new String[]{"objectName", "Servers"});
   97   
   98           GBEAN_INFO = infoFactory.getBeanInfo();
   99       }
  100   
  101       public static GBeanInfo getGBeanInfo() {
  102           return GBEAN_INFO;
  103       }
  104   }

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