Glassfish example source code file (J2EEManagedObjectImplBase.java)

This example Glassfish source code file (J2EEManagedObjectImplBase.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Glassfish tags/keywords

deployed_types, j2ee_application, j2eemanagedobjectimplbase, management, managementhome, mbeanserver, metadata, metadata, metadataimpl, naming, objectname, objectname, rmi, set, set, string, string, util

The Glassfish J2EEManagedObjectImplBase.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2006-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package org.glassfish.admin.amx.impl.j2ee;

import java.lang.String;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.j2ee.Management;
import javax.management.j2ee.ManagementHome;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;
import org.glassfish.admin.amx.core.Util;
import org.glassfish.admin.amx.impl.mbean.AMXImplBase;
import org.glassfish.admin.amx.impl.util.ObjectNameBuilder;
import org.glassfish.admin.amx.intf.config.Domain;
import org.glassfish.admin.amx.j2ee.J2EEManagedObject;
import org.glassfish.admin.amx.j2ee.J2EEServer;
import org.glassfish.admin.amx.j2ee.StateManageable;
import org.glassfish.admin.amx.util.SetUtil;
import org.glassfish.admin.amx.util.StringUtil;
import org.glassfish.admin.amx.util.jmx.JMXUtil;

import org.glassfish.admin.amx.j2ee.J2EETypes;
import static org.glassfish.admin.amx.j2ee.J2EETypes.*;



/**
 */
public abstract class J2EEManagedObjectImplBase extends AMXImplBase {

    protected final long mStartTime;
    private final boolean mStateManageable;
    private final boolean mStatisticsProvider;
    private final boolean mEventProvider;

    private final Metadata mMeta;

    public J2EEManagedObjectImplBase(
            final ObjectName parentObjectName,
            final Metadata meta,
            final Class<? extends J2EEManagedObject> intf) {
        this(parentObjectName, meta, intf, false, false, false);
    }

    public J2EEManagedObjectImplBase(
            final ObjectName parentObjectName,
            final Metadata meta,
            final Class<? extends J2EEManagedObject> intf,
            final boolean stateManageable,
            final boolean statisticsProvider,
            final boolean evengProvider) {
        super(parentObjectName, intf);

        mMeta =meta;

        mStateManageable = stateManageable;
        mStatisticsProvider = statisticsProvider;
        mEventProvider = evengProvider;

        mStartTime = System.currentTimeMillis();
    }

    protected MetadataImpl defaultChildMetadata()
    {
        final Map<String,Object> meta = new HashMap();
        meta.put( Metadata.PARENT, this);
        final MetadataImpl impl = new MetadataImpl(meta);

        return impl;
    }

    protected Metadata metadata()
    {
        return mMeta;
    }
    
    
    public ObjectName getCorrespondingConfig()
    {
        return metadata().getCorrespondingConfig();
    }

    protected Domain
    getDomainConfig()
    {
        return getDomainRootProxy().getDomain().as(Domain.class);
    }
    
    /**
        JSR 77 requires an ancestor hierarchy via properties; this is in addition
        to the basic AMX requirements.
     */
    @Override
		protected  ObjectName
	preRegisterModifyName(
		final MBeanServer	server,
		final ObjectName	nameIn )
	{
        final String props = getExtraObjectNameProps(server,nameIn);
        if ( props == null || props.length() == 0)
        {
            return nameIn;
        }

        return JMXUtil.newObjectName( nameIn.toString() + "," + props );
	}

    /** types that require a J2EEApplication ancestor, even if null */
    private static final Set<String> REQUIRES_J2EE_APP	=
        SetUtil.newUnmodifiableStringSet(
            WEB_MODULE,
            RESOURCE_ADAPTER_MODULE,
            APP_CLIENT_MODULE,
            STATEFUL_SESSION_BEAN,
            STATELESS_SESSION_BEAN,
            ENTITY_BEAN,
            MESSAGE_DRIVEN_BEAN,
            SERVLET,
            RESOURCE_ADAPTER
        );
   /** the required null J2EEApplication ancestor property */
   private static final String NULL_APP_PROP = Util.makeProp( J2EE_APPLICATION, null);

    /**
     * Deals with the special-case requirements of JSR 77: ancestor properties as well as
     * some types require a J2EEApplication=null
     * @param server
     * @param nameIn
     * @return
     */
    protected String getExtraObjectNameProps(final MBeanServer server, final ObjectName nameIn)
    {
        final String type =  Util.getTypeProp(nameIn);
        String props = Util.makeProp( J2EETypes.J2EE_TYPE_KEY,type );

        // now add ancestors, per JSR 77 spec
        // skip the first two: DomainRoot and  J2EEDomain
        final List<ObjectName> ancestors = ObjectNameBuilder.getAncestors(server, getParent());
        boolean foundApp = false;
        for( int i = 2; i < ancestors.size(); ++ i)
        {
            final ObjectName ancestor = ancestors.get(i);
            final String ancestorType = ancestor.getKeyProperty(J2EETypes.J2EE_TYPE_KEY);
            final String ancestorName = Util.unquoteIfNeeded(ancestor.getKeyProperty(J2EETypes.NAME_KEY));
            final String ancestorProp = Util.makeProp( ancestorType, Util.quoteIfNeeded(ancestorName ));
            props = Util.concatenateProps( props, ancestorProp);

            if ( ancestorType.equals(J2EE_APPLICATION) )
            {
                foundApp = true;
            }
        }

        // special case demanded by JSR 77 spec: standalone modules require J2EEApplication=null
        if ( REQUIRES_J2EE_APP.contains(type) && (! foundApp)   )
        {
            props = Util.concatenateProps(props, NULL_APP_PROP );
        }

        return props;
    }


    protected String j2eeType(final ObjectName objectName) {
        return objectName.getKeyProperty("j2eeType");
    }

    public long getstartTime() {
        return mStartTime;
    }

    protected String getServerName() {
        return (getObjectName().getKeyProperty("J2EEServer"));
    }

    public String getobjectName() {
        return getObjectName().toString();
    }

    public boolean isstatisticsProvider() {
        return mEventProvider;
    }

    public boolean iseventProvider() {
        return mStatisticsProvider;
    }

    public boolean isstateManageable() {
        return mStateManageable;
    }

    public J2EEServer getJ2EEServer() {
        return getProxyFactory().getProxy(getServerObjectName(), J2EEServer.class);
    }

    public ObjectName getServerObjectName() {
        final String serverType = Util.deduceType(J2EEServer.class);
        return getAncestorByType(serverType);
    }

    private static final Set<String> DEPLOYED_TYPES	= SetUtil.newUnmodifiableStringSet(
        J2EE_APPLICATION,
        WEB_MODULE,
        EJB_MODULE,
        APP_CLIENT_MODULE,
        RESOURCE_ADAPTER_MODULE
        );
     
    public String[] getdeployedObjects() {
        return getChildrenAsStrings( DEPLOYED_TYPES );
    }
    
    public int getstate()
    {
        return StateManageable.STATE_STOPPED;
    }


    protected String[] getChildrenAsStrings( final Set<String> types )
    {
        final ObjectName[] children = getChildren(types);
        return StringUtil.toStringArray( children );
    }


    protected String[] getChildrenAsStrings( final String... args )
    {
        if ( args.length == 0 )
        {
            throw new IllegalArgumentException( "Must specify at least one child" );
        }
        
        final Set<String> types = SetUtil.newStringSet(args);
        return getChildrenAsStrings(types);
    }

    public final Management getMEJB() {
        Management mejb = null;
        try {
            final Context ic = new InitialContext();
            final String ejbName = System.getProperty("mejb.name", "ejb/mgmt/MEJB");
            final Object objref = ic.lookup(ejbName);
            final ManagementHome home = (ManagementHome) PortableRemoteObject.narrow(objref, ManagementHome.class);
            mejb = home.create();
        } catch (Exception ex) {
            throw new RuntimeException("Can't find MEJB", ex);
        }
        return mejb;
    }

}