/**
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided
* that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright
* statements and notices. Redistributions must also contain a
* copy of this document.
*
* 2. Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. The name "Exolab" must not be used to endorse or promote
* products derived from this Software without prior written
* permission of Exoffice Technologies. For written permission,
* please contact info@exolab.org.
*
* 4. Products derived from this Software may not be called "Exolab"
* nor may "Exolab" appear in their names without prior written
* permission of Exoffice Technologies. Exolab is a registered
* trademark of Exoffice Technologies.
*
* 5. Due credit should be given to the Exolab Project
* (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 1999 (C) Exoffice Technologies Inc. All Rights Reserved.
*
* $Id: SimpleReceiver.java,v 1.24 2002/10/20 03:06:57 jalateras Exp $
*
* Date Author Changes
* 06/16/2000 jima Created
*/
package openjms.examples.client.console;
import java.io.PrintStream;
import java.util.Hashtable;
import javax.naming.InitialContext;
import javax.naming.Context;
import javax.jms.DeliveryMode;
import javax.jms.Session;
import javax.jms.QueueConnectionFactory;
import javax.jms.QueueConnection;
import javax.jms.QueueSession;
import javax.jms.QueueReceiver;
import javax.jms.QueueSender;
import javax.jms.MessageListener;
import javax.jms.Message;
import javax.jms.Queue;
import javax.jms.TextMessage;
import javax.jms.QueueConnectionFactory;
import javax.jms.JMSException;
import org.exolab.jms.util.CommandLine;
import org.exolab.core.logger.LoggerFactory;
import org.exolab.core.logger.LoggerIfc;
import org.exolab.core.logger.LogEventType;
import org.exolab.jms.client.JmsQueueConnectionFactory;
import org.exolab.jms.jndi.JndiConstants;
import org.exolab.jms.jndi.mipc.IpcJndiInitialContextFactory;
import org.exolab.jms.jndi.rmi.RmiJndiInitialContextFactory;
/**
* The simple receiver will sit there waiting for a specified number of
* message to arrive down a specific queue and then exit
*/
public class SimpleReceiver {
static public void main(String[] args) {
try {
CommandLine cmdline = new CommandLine(args);
if (cmdline.exists("help")) {
// the help option has been specified, print the usage
// information
usage();
} else if (cmdline.exists("queue")) {
// connect to the JNDI server and get a reference to
// root context
Hashtable props = new Hashtable();
String topic_name = cmdline.value("topic");
String host = "localhost";
String port = null;
String jndiname = "JndiServer";
String mode = null;
if (cmdline.exists("mode")) {
mode = cmdline.value("mode");
} else {
mode = "rmi";
}
String modeType =
RmiJndiInitialContextFactory.class.getName();
if (cmdline.exists("jndiport")) {
port = cmdline.value("jndiport");
}
if (cmdline.exists("jndihost")) {
host = cmdline.value("jndihost");
}
// override the default server name if specified on the
// command line.
if (cmdline.exists("jndiname")) {
jndiname = cmdline.value("jndiname");
}
if (mode.equals("ipc") || mode.equals("tcp")) {
if (port == null) {
port = "3035";
}
props.put(Context.PROVIDER_URL,
"tcp://" + host + ":" + port + "/");
modeType =
"org.exolab.jms.jndi.mipc.IpcJndiInitialContextFactory";
} else if (mode.equals("http")) {
System.out.println("Using HTTP");
String type = "http://";
if (cmdline.exists("secure")) {
if (port == null) {
port = "8443";
}
type = "https://";
modeType =
"org.exolab.jms.jndi.http.SslHttpJndiInitialContextFactory";
} else {
if (port == null) {
port = "8080";
}
modeType =
"org.exolab.jms.jndi.http.HttpJndiInitialContextFactory";
}
props.put(Context.PROVIDER_URL,
type + host + ":" + port + "/" +
"openjms/servlet/OpenJMSJndi");
String url = cmdline.value("url");
if (url == null) {
url = type + "localhost:8080";
}
// Client URL to allow server to send messages
// to registered consumers/receivers
System.getProperties().setProperty
(JndiConstants.HTTP_CLIENT_URL_PROPERTY, url);
} else {
if (port == null) {
port = "1099";
}
props.put(Context.PROVIDER_URL,
"rmi://" + host + ":" + port + "/" + jndiname);
}
System.err.println("Using provider url " + props.get(Context.PROVIDER_URL));
props.put(Context.INITIAL_CONTEXT_FACTORY, modeType);
Context context = new InitialContext(props);
String queue_name = cmdline.value("queue");
if (queue_name != null) {
// see if an ack mode has been specified. If it hasn't
// then assume CLIENT_ACKNOWLEDGE mode.
int ackMode = Session.CLIENT_ACKNOWLEDGE;
if (cmdline.exists("ackmode")) {
String amode = cmdline.value("ackmode");
if (amode.equals("auto")) {
ackMode = Session.AUTO_ACKNOWLEDGE;
} else if (amode.equals("dups")) {
ackMode = Session.DUPS_OK_ACKNOWLEDGE;
} else if (!amode.equals("client")) {
// no ack mode
ackMode = -1;
}
}
// lookup the connection factory from the context
QueueConnectionFactory factory = (QueueConnectionFactory)
context.lookup("JmsQueueConnectionFactory");
// if we can't find the factory then throw an exception
if (factory == null) {
throw new RuntimeException(
"Failed to locate connection factory");
}
QueueConnection connection =
factory.createQueueConnection();
// determine whether the summary flag has been set. By
// default it is false, which means the message details
// are displayed as they are browsed
boolean summary = false;
if (cmdline.exists("summary")) {
summary = true;
}
// start the connection unless specified otherwise
if (!cmdline.exists("noStart")) {
connection.start();
}
QueueSession session =
connection.createQueueSession(false, ackMode);
// if the persistent flag is not specified then create the
// queue object otherwise look it up
Queue queue = null;
if (cmdline.exists("persistent")) {
queue = (Queue)context.lookup(queue_name);
} else {
// The queue object is therefore created as non
// persistent.
queue = (Queue)session.createQueue(queue_name);
}
if (queue == null) {
getLogger().logError("Failed to create the queue " +
queue);
System.exit(-1);
}
// if the 'name' option has been specified then assume a
// durable subscriber otherwise transient
QueueReceiver receiver = null;
if (cmdline.exists("selector")) {
receiver = session.createReceiver(queue, "JMSPriority=1");
} else {
receiver = session.createReceiver(queue);
}
// if we are republishing the message then also create
// a sender
QueueSender sender = null;
if (cmdline.exists("republish")) {
sender = session.createSender(queue);
}
// return the number of messages to receive
int count = 1;
if (cmdline.exists("count")) {
try {
String value = cmdline.value("count");
count = Integer.parseInt(value);
} catch (Exception exception) {
System.err.println("Illegal count value");
System.exit(-1);
}
}
int index = 0;
int publish_count = 0;
for (; index < count; index++) {
Message message = receiver.receive();
if (message == null) {
System.err.println("No message received");
continue;
}
// only display the message details if the summary flag
// is not set.
if (!summary) {
System.out.print("[" + (index+1) + " of " + count +
"] " + message.getJMSType());
}
String type = "unknown";
String id = "unset";
int priority = -1;
try {
if (message.getJMSDeliveryMode() ==
DeliveryMode.NON_PERSISTENT) {
type = "NON_PERSISTENT";
} else if (message.getJMSDeliveryMode() ==
DeliveryMode.PERSISTENT) {
type = "PERSISTENT";
}
} catch (JMSException ignore) {
}
try {
priority = message.getJMSPriority();
id = message.getJMSMessageID();
} catch (JMSException ignore) {
}
if (!summary) {
System.err.println(" JMSDeliveryMode=" + type + ", Priority=" +
priority + ", JMSMessageID=" + id);
}
// if client acknowledgement, then ack it
if (ackMode == Session.CLIENT_ACKNOWLEDGE) {
message.acknowledge();
}
// if the publish flag has been set then publish the
// same message to the same queue
if (cmdline.exists("republish")) {
sender.send(session.createQueue(cmdline.value("republish")),
message,
message.getJMSDeliveryMode(),
message.getJMSPriority(), 0);
if (!summary) {
System.err.println("[" + ++publish_count +
"] Published " + message.getJMSType() +
" JMSDeliveryMode=" + message.getJMSDeliveryMode() +
" ID=" + message.getJMSMessageID());
}
}
if (cmdline.exists("sleep")) {
Thread.sleep(Long.parseLong(cmdline.value("sleep")));
}
}
// close the session and connection
receiver.close();
session.close();
connection.close();
// if the summary flag is specified then print out
// the count.
if (summary) {
System.err.println("The receiver has received " + index +
" messages from queue " + queue_name);
}
System.exit(0);
} else {
getLogger().logError("Cannot subscribe to messages " +
"under null queue");
}
} else {
// anything else print the usage message
usage();
}
} catch (Exception exception) {
getLogger().logError("Fatal error: " + exception +
"\nExiting.....");
exception.printStackTrace();
System.exit(-1);
}
}
/**
* Return a reference to the logger
*
* @return LoggerIfc
*/
static LoggerIfc getLogger() {
return LoggerFactory.getLogger();
}
/**
* Print out information on running this sevice
*/
static protected void usage() {
PrintStream out = System.out;
out.println("usage: java " + SimpleReceiver.class.getName() +
" [options]\n");
out.println("options:");
out.println(" -queue <name> queue to receive messages from.\n");
out.println(" -name <consumer> durable consumer name.\n");
out.println(" -mode <ipc | rmi | http> " +
"connect using ipc, http mode or rmi mode. " +
"Defaults to 'rmi'.\n");
out.println(" -url <url> only used for http mode, the client passes\n"
+ " this url to the server, to allow the server\n"
+ " to invoke the clients servlet at the\n"
+ " specfified url. Defaults to "
+ "'http://localhost:8080'.\n");
out.println(" -ackmode <auto | client | dups>\n" +
" message acknowledgement mode. " +
"Defaults to 'client'.\n");
out.println(" -persistent " +
"specifies persistent delivery mode.\n");
out.println(" -jndiport <num> port where the jndi server runs.\n");
out.println(" -jndihost <host> host where jndi server runs.\n");
out.println(" -count <num> number of messages to wait for.\n");
out.println(" -help displays this screen.\n");
}
}