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我正在研究message bean ,由哪位可以帮我列一下在jboss下部署message bean的流程，高分相送，嘻嘻！最好有个例子说明！
本人在前一段时间里，也在研究message Bean,也是研究了一个多星期，终于我成功了，没有浪费我这一个多星
期以来的辛苦劳动。
我用的服务器是jboss3.0.6-tomcat4.1.18
例子是电子工业出版社出版的<EJB编程指南>第7章的<异步EJB>中基于消息驱动Bean的样本应用程序。
下面将代码贴出来
MessageBean类
/** MessageBean.java
* A message driven bean
* Receives purchase order in a MapMessage,
* processes the order and sends a thank-you note to the customer
* by sending an e-mail notification.
*/
package examples.Message;
import java.io.Serializable;
import java.rmi.RemoteException;
import javax.ejb.*;
import javax.naming.*;
import javax.jms.*;
import java.util.*;
import java.text.*;
import javax.mail.*;
import javax.activation.*;
import javax.mail.internet.*;
/** MessageBean class must implement two interfaces
* MessageDrivenBean and MessageListener
*/
public class MessageBean implements MessageDrivenBean,
MessageListener {
private transient MessageDrivenContext context = null;
/** a no-argument constructor
*/
public MessageBean() {}
/** called by container during object creation
*/
public void setMessageDrivenContext(MessageDrivenContext context)
{
this.context = context;
}
/**
* The onMessage Method receives the Message parameter, type casts
* it to the appropriate message type and prints the contents of the
* message. A mail note is then sent to the message sender
*/
public void onMessage(javax.jms.Message msg) {
try {
if (msg instanceof MapMessage) {
MapMessage map = (MapMessage) msg;
System.out.println("Order received: ");
System.out.println ("Order ID: " + map.getString("OrderID") + " Item ID: " +
map.getInt("ItemID") + " Quanity: " + map.getInt("Quantity") + " Unit Price: " +
map.getDouble("UnitPrice"));
sendNote (map.getString("emailID"));
}
else {
System.out.println ("wrong message type");
}
} catch (Throwable te) {
te.printStackTrace();
}
}
/** Sends an e-mail notification to the recipient e-mail ID
* specified in the input parameter
*/
private void sendNote(String recipient) {
try {
// Initialize JNDI context
Context initial = new InitialContext();
// look up the mail server session
javax.mail.Session session = (javax.mail.Session)
initial.lookup("java:comp/env/MailSession");
// Create a new mail object
javax.mail.Message msg = new MimeMessage(session);
// set various mail properties
msg.setFrom();
msg.setRecipients(javax.mail.Message.RecipientType.TO, InternetAddress.parse(recipient,
false));
msg.setSubject("Order Confirmation");
DateFormat dateFormatter = DateFormat.getDateTimeInstance(DateFormat.LONG,
DateFormat.SHORT);
Date timeStamp = new Date();
String messageText = "Thank you for your order." + \n + "We received your order
on " + dateFormatter.format(timeStamp) + ".";
msg.setText(messageText);
msg.setSentDate(timeStamp);
// send the mail message
Transport.send(msg);
} catch(Exception e) {
throw new EJBException(e.getMessage());
}
}
public void ejbCreate() {}
public void ejbRemove() {}
}
