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Tomcat example source code file (

This example Tomcat source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

exception, hashtable, mimemessage, mimepartdatasource, mimepartdatasource, naming, object, object, objectfactory, properties, reference, reference, refobj, security, string, string, util

The Tomcat source code

 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.apache.naming.factory;

import java.util.Hashtable;
import java.util.Properties;
import java.util.Enumeration;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimePart;
import javax.mail.internet.MimePartDataSource;
import javax.naming.Name;
import javax.naming.Context;
import javax.naming.Reference;
import javax.naming.RefAddr;
import javax.naming.spi.ObjectFactory;

 * Factory class that creates a JNDI named javamail MimePartDataSource
 * object which can be used for sending email using SMTP.
 * <p>
 * Can be configured in the DefaultContext or Context scope
 * of your server.xml configuration file.
 * <p>
 * Example:
 * <p>
 * <pre>
 * <Resource name="mail/send" auth="CONTAINER"
 *           type="javax.mail.internet.MimePartDataSource"/>
 * <ResourceParams name="mail/send">
 *   <parameter><name>factory</name>
 *     <value>org.apache.naming.factory.SendMailFactory</value>
 *   </parameter>
 *   <parameter><name></name>
 *     <value></value>
 *   </parameter>
 *   <parameter><name>mail.smtp.user</name>
 *     <value>someuser</value>
 *   </parameter>
 *   <parameter><name>mail.from</name>
 *     <value></value>
 *   </parameter>
 *   <parameter><name>mail.smtp.sendpartial</name>
 *     <value>true</value>
 *   </parameter>
 *  <parameter><name>mail.smtp.dsn.notify</name>
 *     <value>FAILURE</value>
 *   </parameter>
 *   <parameter><name>mail.smtp.dsn.ret</name>
 *     <value>FULL</value>
 *   </parameter>
 * </ResourceParams>
 * </pre>
 * @author Glenn Nielsen Rich Catlett

public class SendMailFactory implements ObjectFactory 
    // The class name for the javamail MimeMessageDataSource
    protected final String DataSourceClassName = 

    public Object getObjectInstance(Object RefObj, Name Nm, Context Ctx,
				    Hashtable Env) throws Exception 
	final Reference Ref = (Reference)RefObj;

	// Creation of the DataSource is wrapped inside a doPrivileged
	// so that javamail can read its default properties without
	// throwing Security Exceptions
	if (Ref.getClassName().equals(DataSourceClassName)) {
	    return AccessController.doPrivileged( new PrivilegedAction()
		public Object run() {
        	    // set up the smtp session that will send the message
	            Properties props = new Properties();
		    // enumeration of all refaddr
		    Enumeration list = Ref.getAll();
		    // current refaddr to be set
		    RefAddr refaddr;
	            // set transport to smtp
	            props.put("mail.transport.protocol", "smtp");

		    while (list.hasMoreElements()) {
			refaddr = (RefAddr)list.nextElement();

			// set property
			props.put(refaddr.getType(), (String)refaddr.getContent());
		    MimeMessage message = new MimeMessage(
		    try {
			String from = (String)Ref.get("mail.from").getContent();
		        message.setFrom(new InternetAddress(from));
		    } catch (Exception e) {}
		    MimePartDataSource mds = new MimePartDataSource(
		    return mds;
	    } );
	else { // We can't create an instance of the DataSource
	    return null;

Other Tomcat examples (source code examples)

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