JavaMailMimePartDSFactory.java

package org.objectweb.jonas.mail.factory;


//import java
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.OptionalDataException;
import java.util.Hashtable;
import java.util.Properties;
import java.util.StringTokenizer;

//import javax
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimePart;
import javax.mail.internet.MimePartDataSource;
import javax.mail.internet.InternetAddress;
import javax.mail.Message;
import javax.mail.Session;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.Reference;
import javax.naming.RefAddr;
import javax.naming.spi.ObjectFactory;

//import objectweb.util
import org.objectweb.util.monolog.api.BasicLevel;
import org.objectweb.util.monolog.api.Logger;

//import jonas
import org.objectweb.jonas.common.Log;
import org.objectweb.jonas.common.PropDump;
import org.objectweb.jonas.common.JNDIUtils;
import org.objectweb.jonas.mail.lib.JAuthenticator;

public class JavaMailMimePartDSFactory implements ObjectFactory {

    protected static final String FACTORY_TYPE = "javax.mail.internet.MimePartDataSource";

    private static Logger logger = null;



    public Object getObjectInstance(Object obj, Name name, Context nameCtx,
                                    Hashtable environment) throws Exception {

        //Get the logger
        if (logger == null) {
            logger = Log.getLogger(Log.JONAS_MAIL_PREFIX);
        }

        //Get the reference
        Reference ref = (Reference) obj;

        //Get the class name
        String clname = ref.getClassName();

        //Check the class name
        if (!ref.getClassName().equals(FACTORY_TYPE)) {
            logger.log(BasicLevel.ERROR, "Cannot create object : required type is '" + FACTORY_TYPE + "', but found type is '" + clname + "'.");
            return (null);
        }

        Properties sessionProps = new Properties();
        Properties mimeMessageProps = new Properties();
        Properties authenticationProps = new Properties();
        RefAddr refAddr = null;

        refAddr =  ref.get("javaxmailSession.properties");
        if (refAddr != null) {
            sessionProps = (Properties) JNDIUtils.getObjectFromBytes((byte[]) refAddr.getContent());
            PropDump.print("These are the properties used to obtain a new Session object", sessionProps, logger, BasicLevel.DEBUG);
        }

        refAddr =  ref.get("javaxInternetMimeMessage.properties");
        if (refAddr != null) {
            mimeMessageProps = (Properties) JNDIUtils.getObjectFromBytes((byte[]) refAddr.getContent());
            PropDump.print("These are the properties specific to Internet mail",
                           mimeMessageProps, logger, BasicLevel.DEBUG);
        }

        refAddr =  ref.get("authentication.properties");
        if (refAddr != null) {
            authenticationProps = (Properties) JNDIUtils.getObjectFromBytes((byte[]) refAddr.getContent());
            PropDump.print("These are the authentication properties",
                           authenticationProps, logger, BasicLevel.DEBUG);
        }

        //username (Authentication)
        String mailAuthenticationUsername =  authenticationProps.getProperty("mail.authentication.username");

        //Password (Authentication)
        String mailAuthenticationPassword = authenticationProps.getProperty("mail.authentication.password");

        //Field 'to'
        String mailTo = mimeMessageProps.getProperty("mail.to");
        InternetAddress[] toRecipients = null;
        if (mailTo != null) {
            toRecipients = getInternetAddressFromString(mailTo);
        }

        //Field 'cc'
        String mailCc = mimeMessageProps.getProperty("mail.cc");
        InternetAddress[] ccRecipients = null;
        if (ccRecipients != null) {
            ccRecipients = getInternetAddressFromString(mailCc);
        }

        //Field 'bcc'
        String mailBcc = mimeMessageProps.getProperty("mail.bcc");
        InternetAddress[] bccRecipients = null;
        if (bccRecipients != null) {
            getInternetAddressFromString(mailBcc);
        }

        //Field 'subject'
        String mailSubject = mimeMessageProps.getProperty("mail.subject");


        JAuthenticator jAuthenticator = null;
        if ((mailAuthenticationUsername != null) && (mailAuthenticationPassword != null)) {
            jAuthenticator = new JAuthenticator(mailAuthenticationUsername, mailAuthenticationPassword);
        }

        //Build the message from the Session.
        MimeMessage mimeMessage = new MimeMessage(Session.getInstance(sessionProps, jAuthenticator));

        //And set the properties if there are not null

        //Field 'to'
        if (toRecipients != null) {
            mimeMessage.setRecipients(Message.RecipientType.TO, toRecipients);
        }

        //Field 'cc'
        if (ccRecipients != null) {
            mimeMessage.setRecipients(Message.RecipientType.CC, ccRecipients);
        }

        //Field 'bcc'
        if (bccRecipients != null) {
            mimeMessage.setRecipients(Message.RecipientType.BCC, bccRecipients);
        }

        //Field 'subject'
        if (mailSubject != null) {
            mimeMessage.setSubject(mailSubject);
        }

        MimePartDataSource mimePartDS = new MimePartDataSource((MimePart) mimeMessage);
        return mimePartDS;
    }

    private InternetAddress[] getInternetAddressFromString(String txt) {
        if (txt == null) {
            return null;
        }
        StringTokenizer st = new StringTokenizer(txt, ",");
        InternetAddress[] addresses = new InternetAddress[st.countTokens()];
        int i = 0;
        try {
            while (st.hasMoreTokens()) {
                addresses[i] = new InternetAddress((String) st.nextToken());
                i++;
            }
        } catch (Exception e) {
            return null;
        }
        return addresses;
    }
}

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