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Put html and js resources back to their original location.

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Split backend code so it doesn't modify existing examples.
Added a bots.html page for the server push version.
This commit is contained in:
Philippe Soares 2020-11-08 11:38:17 -05:00
parent 7f1ed45993
commit 6866b51d52
8 changed files with 115 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
spring-websockets/src/main/java/com/baeldung/websockets/BotsController.java Normal file
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@ -0,0 +1,21 @@
package com.baeldung.websockets;
import org.springframework.messaging.handler.annotation.MessageMapping;
import org.springframework.messaging.handler.annotation.SendTo;
import org.springframework.stereotype.Controller;
import java.text.SimpleDateFormat;
import java.util.Date;
@Controller
public class BotsController {
@MessageMapping("/chatwithbots")
@SendTo("/topic/pushmessages")
public OutputMessage send(final Message message) throws Exception {
final String time = new SimpleDateFormat("HH:mm").format(new Date());
return new OutputMessage(message.getFrom(), message.getText(), time);
}
}

2
spring-websockets/src/main/java/com/baeldung/websockets/ReactiveScheduledPushMessages.java
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@ -27,6 +27,6 @@ public class ReactiveScheduledPushMessages implements InitializingBean {
Flux.interval(Duration.ofSeconds(4L)) Flux.interval(Duration.ofSeconds(4L))
.map((n) -> new OutputMessage(faker.backToTheFuture().character(), faker.backToTheFuture().quote(), .map((n) -> new OutputMessage(faker.backToTheFuture().character(), faker.backToTheFuture().quote(),
new SimpleDateFormat("HH:mm").format(new Date()))) new SimpleDateFormat("HH:mm").format(new Date())))
.subscribe(message -> simpMessagingTemplate.convertAndSend("/topic/messages", message)); .subscribe(message -> simpMessagingTemplate.convertAndSend("/topic/pushmessages", message));
} }
} }

5
spring-websockets/src/main/java/com/baeldung/websockets/ScheduledPushMessages.java
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@ -5,11 +5,12 @@ import com.github.javafaker.Faker;
import org.springframework.messaging.simp.SimpMessagingTemplate; import org.springframework.messaging.simp.SimpMessagingTemplate;
import org.springframework.scheduling.annotation.Scheduled; import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Controller; import org.springframework.stereotype.Controller;
import org.springframework.stereotype.Service;
import java.text.SimpleDateFormat; import java.text.SimpleDateFormat;
import java.util.Date; import java.util.Date;
@Controller @Service
public class ScheduledPushMessages { public class ScheduledPushMessages {
private final SimpMessagingTemplate simpMessagingTemplate; private final SimpMessagingTemplate simpMessagingTemplate;
@ -24,7 +25,7 @@ public class ScheduledPushMessages {
@Scheduled(fixedRate = 5000) @Scheduled(fixedRate = 5000)
public void sendMessage() { public void sendMessage() {
final String time = new SimpleDateFormat("HH:mm").format(new Date()); final String time = new SimpleDateFormat("HH:mm").format(new Date());
simpMessagingTemplate.convertAndSend("/topic/messages", simpMessagingTemplate.convertAndSend("/topic/pushmessages",
new OutputMessage("Chuck Norris", faker.chuckNorris().fact(), time)); new OutputMessage("Chuck Norris", faker.chuckNorris().fact(), time));
} }

2
spring-websockets/src/main/java/com/baeldung/websockets/WebSocketConfig.java
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@ -20,6 +20,8 @@ public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {
public void registerStompEndpoints(final StompEndpointRegistry registry) { public void registerStompEndpoints(final StompEndpointRegistry registry) {
registry.addEndpoint("/chat"); registry.addEndpoint("/chat");
registry.addEndpoint("/chat").withSockJS(); registry.addEndpoint("/chat").withSockJS();
registry.addEndpoint("/chatwithbots");
registry.addEndpoint("/chatwithbots").withSockJS();
} }
} }

88
spring-websockets/src/main/webapp/bots.html Normal file
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@ -0,0 +1,88 @@
<html>
<head>
<title>Chat WebSocket</title>
<script src="resources/js/sockjs-0.3.4.js"></script>
<script src="resources/js/stomp.js"></script>
<script type="text/javascript">
var stompClient = null;
function setConnected(connected) {
document.getElementById('connect').disabled = connected;
document.getElementById('disconnect').disabled = !connected;
document.getElementById('conversationDiv').style.visibility = connected ? 'visible' : 'hidden';
document.getElementById('response').innerHTML = '';
}
function connect() {
var socket = new SockJS('/chatwithbots');
stompClient = Stomp.over(socket);
stompClient.connect({}, function(frame) {
setConnected(true);
console.log('Connected: ' + frame);
stompClient.subscribe('/topic/pushmessages', function(messageOutput) {
showMessageOutput(JSON.parse(messageOutput.body));
});
});
}
function disconnect() {
if(stompClient != null) {
stompClient.disconnect();
}
setConnected(false);
console.log("Disconnected");
}
function sendMessage() {
var from = document.getElementById('from').value;
var text = document.getElementById('text').value;
stompClient.send("/app/chatwithbots", {}, JSON.stringify({'from':from, 'text':text}));
}
function showMessageOutput(messageOutput) {
var response = document.getElementById('response');
var p = document.createElement('p');
p.style.wordWrap = 'break-word';
p.appendChild(document.createTextNode(messageOutput.from + ": " + messageOutput.text + " (" + messageOutput.time + ")"));
response.appendChild(p);
}
</script>
</head>
<body onload="disconnect()">
<div>
<div>
<input type="text" id="from" placeholder="Choose a nickname"/>
</div>
<br />
<div>
<button id="connect" onclick="connect();">Connect</button>
<button id="disconnect" disabled="disabled" onclick="disconnect();">Disconnect</button>
</div>
<br />
<div id="conversationDiv">
<input type="text" id="text" placeholder="Write a message..."/>
<button id="sendMessage" onclick="sendMessage();">Send</button>
<p id="response"></p>
</div>
</div>
</body>
</html>

0
spring-websockets/src/main/resources/public/js/sockjs-0.3.4.js → spring-websockets/src/main/webapp/resources/js/sockjs-0.3.4.js
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0
spring-websockets/src/main/resources/public/js/stomp.js → spring-websockets/src/main/webapp/resources/js/stomp.js
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0
spring-websockets/src/main/resources/public/js/webSocketSendToUserApp.js → spring-websockets/src/main/webapp/resources/js/webSocketSendToUserApp.js
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