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Glassfish example source code file (MessageBeanContextImpl.java)

This example Glassfish source code file (MessageBeanContextImpl.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

ejb, ejb, ejbinvocation, illegalstateexception, illegalstateexception, log, logging, message-driven, messagebeancontextimpl, no, no, object, operation, runtimeexception, runtimeexception, servlet, timer, transaction, web

The Glassfish MessageBeanContextImpl.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 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 com.sun.ejb.containers;

import javax.ejb.*;

import javax.transaction.UserTransaction;
import java.util.logging.*;
import com.sun.logging.*;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.RoleReference;
import com.sun.ejb.EjbInvocation;
import org.glassfish.api.invocation.ComponentInvocation;

/**
 * Implementation of EJBContext for message-driven beans
 *
 * @author Kenneth Saks
 */

public final class MessageBeanContextImpl
        extends EJBContextImpl
        implements MessageDrivenContext
{

    private boolean afterSetContext = false;

    MessageBeanContextImpl(Object ejb, BaseContainer container)
    {
        super(ejb, container);
    }    

    void setEJBStub(EJBObject ejbStub)
    {
	throw new RuntimeException("No stubs for Message-driven beans");
    }

    void setEJBObjectImpl(EJBObjectImpl ejbo)
    {
	throw new RuntimeException("No EJB Object for Message-driven beans");
    }

    //FIXME later
    EJBObjectImpl getEJBObjectImpl() {
	    throw new RuntimeException("No EJB Object for Message-driven beans");
    }

    public void setContextCalled() {
        this.afterSetContext = true;
    }

    /*****************************************************************
     *    The following are implementations of EJBContext methods.
     ******************************************************************/

    /**
     * 
     */
    public UserTransaction getUserTransaction()
	throws java.lang.IllegalStateException
    {
	// The state check ensures that an exception is thrown if this
	// was called from the constructor or setMessageDrivenContext.
	// The remaining checks are performed by the container.
	if ( !this.afterSetContext ) {
	    throw new java.lang.IllegalStateException("Operation not allowed");
        }

	return ((BaseContainer)getContainer()).getUserTransaction();
    }

    /*
     * Doesn't make any sense to get EJBHome object for 
     * a message-driven ejb.
     */
    public EJBHome getEJBHome() 
    {
        RuntimeException exception = new java.lang.IllegalStateException
            ("getEJBHome not allowed for message-driven beans");
        throw exception;
    }


    protected void checkAccessToCallerSecurity()
        throws java.lang.IllegalStateException
    {
        // A message-driven ejb's state transitions past UNINITIALIZED
        // AFTER ejbCreate
        if ( isUnitialized() || isInEjbRemove() ) {
            throw new java.lang.IllegalStateException("Operation not allowed");
        }

    }

    public boolean isCallerInRole(String roleRef) {
        if ( roleRef == null )
            throw new IllegalStateException("Argument is null");

        checkAccessToCallerSecurity();

        ComponentInvocation inv =
                    EjbContainerUtilImpl.getInstance().getCurrentInvocation();
        if ( inv instanceof EjbInvocation) {
            EjbInvocation ejbInv = (EjbInvocation) inv;
            if( ejbInv.isTimerCallback ) {
                throw new IllegalStateException("isCallerInRole not allowed from timer callback");
            }

        } else {
            throw new IllegalStateException("not invoked from within a message-bean context");
        }

        EjbDescriptor ejbd = container.getEjbDescriptor();
        RoleReference rr = ejbd.getRoleReferenceByName(roleRef);

        if ( rr == null ) {
            throw new IllegalStateException(
                "No mapping available for role reference " + roleRef);
        }

        com.sun.enterprise.security.SecurityManager sm = container.getSecurityManager();
	    return sm.isCallerInRole(roleRef);
    }
    
    public TimerService getTimerService() 
        throws java.lang.IllegalStateException {

        if( !afterSetContext ) {
            throw new java.lang.IllegalStateException("Operation not allowed");
        }

        EJBTimerService timerService =
                        EjbContainerUtilImpl.getInstance().getEJBTimerService();
        if( timerService == null ) {
            throw new EJBException("EJB Timer service not available");
        }
        return new EJBTimerServiceWrapper(timerService, this);
    }

    public void checkTimerServiceMethodAccess() 
        throws java.lang.IllegalStateException {

        // A message-driven ejb's state transitions past UNINITIALIZED
        // AFTER ejbCreate
        if ( isUnitialized() || isInEjbRemove() ) {
            throw new java.lang.IllegalStateException
                ("EJB Timer Service method calls cannot be called in " +
                 " this context");
        } 
    }

}

Other Glassfish examples (source code examples)

Here is a short list of links related to this Glassfish MessageBeanContextImpl.java source code file:

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