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Java EE 6 example source code file (JavaMailConnectionFactoryImpl.java)

This example Java EE 6 source code file (JavaMailConnectionFactoryImpl.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 - Java EE 6 tags/keywords

client, connection, connection, get, in, io, javamailconnection, javamailconnection, javamailconnectionfactoryimpl, jmcfi::createconnection, jmcfi::createconnection, log, logging, manager, naming, resourceexception, resourceexception, returning, util

The Java EE 6 JavaMailConnectionFactoryImpl.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 1997-2009 Sun Microsystems, Inc. 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.html
 * or glassfish/bootstrap/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 glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
 * [name of copyright owner]"
 *
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 *
 * 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 samples.connectors.mailconnector.ra.outbound;

import java.io.*;
import java.util.*;
import java.util.logging.*;
import javax.resource.Referenceable;
import javax.resource.cci.*;
import javax.resource.spi.*;
import javax.resource.ResourceException;
import javax.naming.Reference;

import samples.connectors.mailconnector.api.*;
import samples.connectors.mailconnector.share.*;


/**
 * This implementation class provides an interface for getting a connection 
 * to a Mail Server. It looks up a ConnectionFactory instance in the JNDI 
 * namespace and uses it to get Mail Server connections. 
 */

public class JavaMailConnectionFactoryImpl implements 
    JavaMailConnectionFactory, Serializable, Referenceable
{
    static Logger logger = 
        Logger.getLogger("samples.connectors.mailconnector.ra.outbound");
    ResourceBundle resource = 
        ResourceBundle.getBundle("samples.connectors.mailconnector.ra.outbound.ConnectionFactory");

    private ManagedConnectionFactory mcf;
    private ConnectionManager cm;
  
    // Local variables

    private Reference reference;
    private transient PrintWriter out;
    private transient int milliseconds;


    /**
     * JavaMailConnectionFactoryImpl constructor (no arguments).
     */

    public JavaMailConnectionFactoryImpl() { }

    /**
     * JavaMailConnectionFactoryImpl constructor.
     *
     * @param mcf  the ManagedConnectionFactory that created this 
     *             JavaMailConnectionFactory instance
     * @param cm   the ConnectionManager
     */

    public JavaMailConnectionFactoryImpl(ManagedConnectionFactory mcf, 
                                         ConnectionManager cm) 
    {
        logger.fine(" 3. JavaMailConnectionFactoryImpl::Constructor");
        this.mcf = mcf;
        if (cm == null) 
	{
            this.cm = new ConnectionManagerImpl();
        } else {
            this.cm = cm;
        }
    }

    /**
     * Gets a connection to the Mail Server.
     * Passes along mail server and user info.
     *
     * @return Connection	Connection instance
     */

    public JavaMailConnection createConnection() 
	throws ResourceException
    {
        JavaMailConnection con = null;

        logger.fine(" 3.- JMCFI::createConnection -- Client requested a connection. Get it from Connection Manager");
        
	// Use the default values of the Managed connection factory

        con = (JavaMailConnection) cm.allocateConnection(mcf, null);

        logger.fine(" 6.- JMCFI::createConnection -- Returning Connection to Client");

        return con;
    }


    /**
     * Gets a connection to a Mail Server instance. A component should use 
     * the getConnection variant with a javax.resource.cci.ConnectionSpec 
     * parameter if it needs to pass any resource-adapter-specific security 
     * information and connection parameters.
     *
     * @param properties   connection parameters and security information 
     *                     specified as ConnectionSpec instance
     * @return a JavaMailConnection instance
     */

    public JavaMailConnection createConnection(ConnectionSpec properties) 
	throws ResourceException
    {
        JavaMailConnection con = null;

        logger.fine(" 3.- JMCFI::createConnection -- Client requested a connection. Get it from Connection Manager");

        ConnectionRequestInfoImpl info =
            new ConnectionRequestInfoImpl(
		    ((ConnectionSpecImpl)properties).getUserName(),
		    ((ConnectionSpecImpl)properties).getPassword(),
		    ((ConnectionSpecImpl)properties).getFolderName(),
		    ((ConnectionSpecImpl)properties).getServerName(),
		    ((ConnectionSpecImpl)properties).getProtocol());


        con = (JavaMailConnection)cm.allocateConnection(mcf, info);

	logger.fine(" 6.- JMCFI::createConnection -- Returning Connection to user");

        return con;
    }
   
    /**
     * Sets the log writer for the ConnectionFactory instance. 
     * The log writer is a character output stream to which all logging and 
     * tracing messages for the Connectionfactory instance will be printed.
     *
     * @param out log writer associated with the ConnectionFactory
     */

    public void setLogWriter(PrintWriter out) 
	throws ResourceException
    {
        this.out=out;
    }


    /**
     * Gets the log writer for the ConnectionFactory instance.
     *
     * @return PrintWriter  log writer associated with the ConnectionFactory
     */

    public PrintWriter getLogWriter() 
	throws ResourceException
    {
        return out;
    }


    /**
     * Sets the maximum time in milliseconds that this connection factory will 
     * wait while attempting to connect to a Mail Server. A value of zero 
     * specifies that the timeout is the default system timeout if there is 
     * one; otherwise it specifies that there is no timeout. When a 
     * ConnectionFactory object is created, the timeout is initially zero.
     *
     * @param milliseconds  connection establishment timeout in milliseconds
     */

    public void setTimeout(int milliseconds) 
	throws ResourceException
    {
        this.milliseconds = milliseconds;
    }


    /**
     * Gets the maximum time in milliseconds that this connection factory can 
     * wait while attempting to connect to a Mail Server.
     *
     * @return  connection establishment timeout in milliseconds
     */

    public int getTimeout() 
	throws ResourceException
    {
        return milliseconds;
    }


    /**
     * This method is declared in the javax.resource.Referenceable interface 
     * and should be implemented in order to support JNDI registration.
     *
     * @param reference  a Reference instance
     */

    public void setReference(Reference reference) 
    {
        logger.fine("In JavaMailConnectionFactoryImpl::setReference");
        this.reference = reference;
    }


    /**
     * This method is declared in the javax.naming.Referenceable interface 
     * and should be implemented in order to support JNDI registration.
     *
     * @return  a Reference instance
     */

    public Reference getReference() 
    {
        logger.fine("In JavaMailConnectionFactoryImpl::getReference");
        return reference;
    }
}

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