* 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();