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    package org.apache.geronimo.j2ee.management.impl;
018    
019    import java.util.Hashtable;
020    import javax.management.ObjectName;
021    
022    import org.apache.geronimo.gbean.GBeanInfo;
023    import org.apache.geronimo.gbean.GBeanInfoBuilder;
024    import org.apache.geronimo.management.J2EEApplication;
025    import org.apache.geronimo.management.J2EEServer;
026    import org.apache.geronimo.management.AppClientModule;
027    import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
028    import org.apache.geronimo.kernel.ObjectNameUtil;
029    
030    /**
031     * @version $Revision: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
032     */
033    public class J2EEAppClientModuleImpl implements AppClientModule {
034        private final String deploymentDescriptor;
035        private final J2EEServer server;
036        private final J2EEApplication application;
037        private final ClassLoader classLoader;
038        private final String objectName;
039    
040        public J2EEAppClientModuleImpl(String objectName, J2EEServer server, J2EEApplication application, String deploymentDescriptor, ClassLoader classLoader) {
041            this.objectName = objectName;
042            ObjectName myObjectName = ObjectNameUtil.getObjectName(this.objectName);
043            verifyObjectName(myObjectName);
044    
045            this.server = server;
046            this.application = application;
047            this.deploymentDescriptor = deploymentDescriptor;
048            this.classLoader = classLoader;
049        }
050    
051        public String getObjectName() {
052            return objectName;
053        }
054    
055        public boolean isStateManageable() {
056            return true;
057        }
058    
059        public boolean isStatisticsProvider() {
060            return false;
061        }
062    
063        public boolean isEventProvider() {
064            return true;
065        }
066    
067        /**
068         * ObjectName must match this pattern:
069         * <p/>
070         * domain:j2eeType=AppClientModule,name=MyName,J2EEServer=MyServer,J2EEApplication=MyApplication
071         */
072        private void verifyObjectName(ObjectName objectName) {
073            if (objectName.isPattern()) {
074                throw new InvalidObjectNameException("ObjectName can not be a pattern", objectName);
075            }
076            Hashtable keyPropertyList = objectName.getKeyPropertyList();
077            if (!"AppClientModule".equals(keyPropertyList.get("j2eeType"))) {
078                throw new InvalidObjectNameException("AppClientModule object name j2eeType property must be 'AppClientModule'", objectName);
079            }
080            if (!keyPropertyList.containsKey("name")) {
081                throw new InvalidObjectNameException("AppClientModule object must contain a name property", objectName);
082            }
083            if (!keyPropertyList.containsKey("J2EEServer")) {
084                throw new InvalidObjectNameException("AppClientModule object name must contain a J2EEServer property", objectName);
085            }
086            if (!keyPropertyList.containsKey("J2EEApplication")) {
087                throw new InvalidObjectNameException("AppClientModule object name must contain a J2EEApplication property", objectName);
088            }
089            if (keyPropertyList.size() != 4) {
090                throw new InvalidObjectNameException("AppClientModule object name can only have j2eeType, name, J2EEApplication, and J2EEServer properties", objectName);
091            }
092        }
093    
094        public String getDeploymentDescriptor() {
095            return deploymentDescriptor;
096        }
097    
098        public String getServer() {
099            return server.getObjectName();
100        }
101    
102        public String getApplication() {
103            if (application == null) {
104                return null;
105            }
106            return application.getObjectName();
107        }
108    
109        public String[] getJavaVMs() {
110            return server.getJavaVMs();
111        }
112    
113        public ClassLoader getClassLoader() {
114            return classLoader;
115        }
116    
117        public static final GBeanInfo GBEAN_INFO;
118    
119        static {
120            GBeanInfoBuilder infoFactory = GBeanInfoBuilder.createStatic(J2EEAppClientModuleImpl.class, NameFactory.APP_CLIENT_MODULE);
121            infoFactory.addReference("J2EEServer", J2EEServer.class);
122            infoFactory.addReference("J2EEApplication", J2EEApplication.class);
123    
124            infoFactory.addAttribute("deploymentDescriptor", String.class, true);
125    
126            infoFactory.addAttribute("objectName", String.class, false);
127            infoFactory.addAttribute("server", String.class, false);
128            infoFactory.addAttribute("application", String.class, false);
129            infoFactory.addAttribute("javaVMs", String[].class, false);
130            infoFactory.addAttribute("classLoader", ClassLoader.class, false);
131            infoFactory.addInterface(AppClientModule.class);
132    
133    
134            infoFactory.setConstructor(new String[]{
135                "objectName",
136                "J2EEServer",
137                "J2EEApplication",
138                "deploymentDescriptor",
139                "classLoader"});
140    
141            GBEAN_INFO = infoFactory.getBeanInfo();
142        }
143    
144        public static GBeanInfo getGBeanInfo() {
145            return GBEAN_INFO;
146        }
147    }