Java Examples: Difference between revisions

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Remove old sample, Gozirra is a horrid STOMP library, but also no longer works on the feeds
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==Gorizza Stomp library==
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This code requires the [http://www.germane-software.com/software/Java/Gozirra/ Gozirra Stomp library].
 
<pre>
import net.ser1.stomp.Client;
import net.ser1.stomp.Listener;
 
/**
* Example client that connects to the Network Rail ActiveMQ
* and subscribes a listener to receive real-time messages
*
* @author Martin.Swanson@blackkitetechnology.com
*/
public class MyClient {
 
//Network Rail ActiveMQ server
private static final String SERVER = "datafeeds.networkrail.co.uk";
// Server port for STOMP clients
private static final int PORT = 61618;
// Your account username, typically an email address
private static final String USERNAME = "yourUserName";
// Your account password
private static final String PASSWORD = "yourPassword";
// Example topic (this one is for Southern Train Movements)
private static final String TOPIC = "/topic/TRAIN_MVT_ALL_TOC";
public static void main(String[] args) throws Exception {
new MyClient().go();
}
/*
* Connect to a single topic and subscribe a listener
* @throws Exception Too lazy to implement exception handling....
*/
private void go() throws Exception {
System.out.println("| Connecting...");
Client client = new Client(SERVER, PORT, USERNAME, PASSWORD);
if (client.isConnected()) {
System.out.println("| Connected to " + SERVER + ":" + PORT);
} else {
System.out.println("| Could not connect");
return;
}
System.out.println("| Subscribing...");
Listener listener = new MyListener();
client.subscribe(TOPIC , listener);
System.out.println("| Subscribed to " + TOPIC);
System.out.println("| Waiting for message...");
}
}
</pre>
 
<pre>
import net.ser1.stomp.Listener;
import java.util.Map;
/**
* Example listener process that receives messages
* in JSON format from the Network Rail ActiveMQ
*
* @author Martin.Swanson@blackkitetechnology.com
*/
public class MyListener implements Listener {
   
@Override
public void message(Map header, String body) {
System.out.println("| Got header: " + header);
System.out.println("| Got body: " + body);
}
}
</pre>


{{Navtable-DataFeeds}}
{{Navtable-DataFeeds}}

Latest revision as of 15:43, 26 October 2023

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Network Rail Open Data Feeds
Data Feeds About the Feeds • Account States • Durable Subscriptions • Example Code ( PHP / C# / Java / Ruby / Node.js) • Advanced Uses • FAQ • Release Notes
RTPPM RTPPM Feed
Train Movements Train Movements Feed • Train Activation • Train Cancellation • Train Movement • Train Reinstatement • Change of Origin • Change of Identity • Change of Location • TSPEED Field • Planned Cancellations • Cancellation Codes
TD TD Feed • C-Class Messages • S-Class Messages • Train Describers • TD Berths
VSTP VSTP Feed
TSR TSR Feed • Route Codes
SCHEDULE SCHEDULE Feed • TIPLOC Records • Schedule and Location Records • Association Records • CIF Codes • How Scheduling Works • Allowances
Reference Data Reference Data Feed • TOC Codes • CIF Codes • Delay Attribution Codes • Identifying Locations (STANOX, TIPLOC, NLC and 3-Alpha Codes) • STANOX Geographical Areas • Train Planning data (BPLAN)
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