queuesendtomdbfacadebeanqueue.java

Java开发的权限管理的例子

package org.artemis.right.jms.queue;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Hashtable;
import javax.jms.*;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.apache.log4j.PropertyConfigurator;
import org.apache.log4j.xml.DOMConfigurator;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/** This example shows how to establish a connection
* and send messages to the JMS queue. The classes in this
* package operate on the same JMS queue. Run the classes together to
* witness messages being sent and received, and to browse the queue
* for messages. The class is used to send messages to the queue.
*
* @author Copyright (c) 1999-2003 by BEA Systems, Inc. All Rights Reserved.
*/
public class QueueSendtoMDBFacadeBeanQueue
{
//Defines the JNDI context factory.
public final static String JNDI_FACTORY="weblogic.jndi.WLInitialContextFactory";

//Defines the JNDI provider url.
public final static String PROVIDER_URL=" t3://localhost:7001";

//Defines the JMS connection factory for the queue.
public final static String JMS_FACTORY="CommuConnectionReceverFactory";

//Defines the queue.
public final static String QUEUE="jms/MDBFacadeBeanQueue";


private QueueConnectionFactory qconFactory;
private QueueConnection qcon;
private QueueSession qsession;
private QueueSender qsender;
private Queue queue;
private TextMessage msg;

/**
* Creates all the necessary objects for sending
* messages to a JMS queue.
*
* @param ctx JNDI initial context
* @param queueName name of queue
* @exception NamingException if operation cannot be performed
* @exception JMSException if JMS fails to initialize due to internal error
*/
public void init(Context ctx, String queueName)
throws NamingException, JMSException
{
qconFactory = (QueueConnectionFactory) ctx.lookup(JMS_FACTORY);
qcon = qconFactory.createQueueConnection();
qsession = qcon.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
queue = (Queue) ctx.lookup(queueName);
qsender = qsession.createSender(queue);
msg = qsession.createTextMessage();
qcon.start();
}

/**
* Sends a message to a JMS queue.
*
* @param message message to be sent
* @exception JMSException if JMS fails to send message due to internal error
*/
public void send(String message) throws JMSException {
msg.setText(message);
qsender.send(msg);
}

/**
* Closes JMS objects.
* @exception JMSException if JMS fails to close objects due to internal error
*/
public void close() throws JMSException {
qsender.close();
qsession.close();
qcon.close();
}
/** main() method.
*
* @param args WebLogic Server URL
* @exception Exception if operation fails
*/
public static void main(String[] args) throws Exception {
InitialContext ic = getInitialContext();
QueueSendtoMDBFacadeBeanQueue qs = new QueueSendtoMDBFacadeBeanQueue();
qs.initlog4j();
qs.init(ic, QUEUE);
readAndSend(qs);
qs.close();
}

private static void readAndSend(QueueSendtoMDBFacadeBeanQueue qs)
throws IOException, JMSException
{
BufferedReader msgStream = new BufferedReader(new InputStreamReader(System.in));
String line=null;
boolean quitNow = false;
do {
System.out.print("Enter message (\"quit\" to quit): ");
line = msgStream.readLine();
if (line != null && line.trim().length() != 0) {
qs.send(line);
System.out.println("JMS Message Sent: "+line+"\n");
quitNow = line.equalsIgnoreCase("quit");
}
} while (! quitNow);

}

private static InitialContext getInitialContext()
throws NamingException
{
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, JNDI_FACTORY);
env.put(Context.PROVIDER_URL, PROVIDER_URL);
return new InitialContext(env);
}

public boolean initlog4j() {
	String logFile="etc/jcf/framework/config/log4j.properties";
		SimpleDateFormat formatter = new SimpleDateFormat(
				"yyyy-MM-dd H:mm:ss a z");
		Date today = new Date();
		String output = "<" + formatter.format(today) + "> <Debug> ";
		System.out.println(output + "application log4j properties file is: " + logFile);
	if (logFile != null) {
		if (logFile.toString().toLowerCase().endsWith(".xml")) {
			DOMConfigurator.configure(logFile);
		} else {
			PropertyConfigurator.configure(logFile);
		}
		return true;
	} else {
		return false;
	}
}

}