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2021-08-05

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Elex
2021-08-05 13:33:52 +09:00
parent d45139dd58
commit 0f4d342354
32 changed files with 743 additions and 4 deletions
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25
websocket/build.gradle.kts Normal file
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/*
* Spring-boot Examples
*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
plugins {
id("elex-spring-boot")
id("org.springframework.boot") version "2.5.3"
id("io.spring.dependency-management") version "1.0.11.RELEASE"
}
dependencies {
implementation ("org.springframework.boot:spring-boot-starter-web")
implementation("org.springframework.boot:spring-boot-starter-mustache")
implementation("org.springframework.boot:spring-boot-starter-websocket")
compileOnly ("org.projectlombok:lombok")
developmentOnly ("org.springframework.boot:spring-boot-devtools")
annotationProcessor ("org.projectlombok:lombok")
testImplementation ("org.springframework.boot:spring-boot-starter-test")
}

18
websocket/src/main/java/kr/pe/elex/examples/Application.java Normal file
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/*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}

31
websocket/src/main/java/kr/pe/elex/examples/Config.java Normal file
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/*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;
import com.samskivert.mustache.Mustache;
import org.springframework.boot.autoconfigure.mustache.MustacheEnvironmentCollector;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
@Configuration
public class Config {
@Bean
public Mustache.Compiler mustacheCompiler(
Mustache.TemplateLoader templateLoader,
Environment environment) {
MustacheEnvironmentCollector collector
= new MustacheEnvironmentCollector();
collector.setEnvironment(environment);
return Mustache.compiler()
.withLoader(templateLoader)
.withCollector(collector);
}
}

27
websocket/src/main/java/kr/pe/elex/examples/HttpController.java Normal file
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/*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.ModelAndView;
import java.util.HashMap;
import java.util.Map;
@Slf4j
@RestController
public class HttpController {
@GetMapping("/")
public ModelAndView home() {
final Map<String, Object> map = new HashMap<>();
map.put("title", "Websocket Test");
return new ModelAndView("home", map);
}
}

26
websocket/src/main/java/kr/pe/elex/examples/WebSocketConfig.java Normal file
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/*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;
import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
@Configuration
@EnableWebSocket
@RequiredArgsConstructor
public class WebSocketConfig implements WebSocketConfigurer {
private final WebSocketHandler webSocketHandler;
@Override
public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
registry.addHandler(webSocketHandler, "/websocket");
//.setAllowedOrigins("*")
// .withSockJS();
}
}

60
websocket/src/main/java/kr/pe/elex/examples/WebSocketHandler.java Normal file
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/*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.socket.CloseStatus;
import org.springframework.web.socket.TextMessage;
import org.springframework.web.socket.WebSocketSession;
import org.springframework.web.socket.handler.TextWebSocketHandler;
import java.io.IOException;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
@Slf4j
@Component
@RequiredArgsConstructor
public class WebSocketHandler extends TextWebSocketHandler {
private static Set<WebSocketSession> sessions = new ConcurrentHashMap().newKeySet();
public static void publish(String message) throws IOException {
for (WebSocketSession item : sessions) {
try {
item.sendMessage(new TextMessage(message));
} catch (Throwable e) {
log.error("Couldn't send message over websocket.", e);
}
}
}
@Override
public void afterConnectionEstablished(WebSocketSession session) throws Exception {
super.afterConnectionEstablished(session);
sessions.add(session);
log.info("Client({}) connected.", session.getRemoteAddress());
}
@Override
protected void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception {
log.info("Message from client({}):{}", session.getRemoteAddress(), message.getPayload());
for (WebSocketSession webSocketSession : sessions) {
//if (session == webSocketSession) continue;
String msg = message.getPayload().toUpperCase();
webSocketSession.sendMessage(new TextMessage(msg));
}
}
@Override
public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws Exception {
super.afterConnectionClosed(session, status);
sessions.remove(session);
log.info("Client({}) disconnect.", session.getRemoteAddress());
}
}

6
websocket/src/main/java/kr/pe/elex/examples/package-info.java Normal file
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/*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;

4
websocket/src/main/resources/application.properties Normal file
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#
# Copyright (c) 2021. Elex. All Rights Reserved.
# https://www.elex-project.com/
#

19
websocket/src/main/resources/logback-spring.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!--
~ Copyright (c) 2021. Elex. All Rights Reserved.
~ https://www.elex-project.com/
-->
<configuration>
<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{15} - %msg%n</pattern>
</encoder>
</appender>
<root level="info">
<appender-ref ref="CONSOLE"/>
</root>
</configuration>

108
websocket/src/main/resources/templates/home.mustache Normal file
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<html lang="ko">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>{{title}}</title>
<style>
* {
box-sizing: border-box;
}
body {
margin:0; padding:0; border:0;
}
.layout {
display: grid;
grid-template-rows: 64px 1fr;
grid-template-columns: 1fr;
grid-template-areas: "controls" "textpane";
width: 100%; height: 100%;
}
.row{
display: flex;
flex-direction: row;
align-items: center;
grid-area: controls;
background-color: orange;
padding: 0 16px;
}
.row h1{
flex-grow: 1;
}
.text-pane {
grid-area: textpane;
width: 100%; height: 100%;
}
textarea {
width: 100%; height: 100%;
overflow: auto;
resize: none;
}
</style>
<script>
const log = function(msg){
const ta = document.querySelector("#text-area");
ta.append(new Date().toLocaleString());
ta.append("\t");
ta.append(msg);
ta.append("\r\n");
ta.scrollTop = ta.scrollHeight;
};
const WS = {
websocket: null,
connect: function(){
this.websocket = new WebSocket("ws://localhost:8080/websocket");
this.websocket.onopen = function(ev){
console.log("Connected.");
log("Connected.");
};
this.websocket.onclose = function(ev){
console.log("Closed.");
log("Closed.");
};
this.websocket.onmessage = function(ev){
console.log("Rx: " + ev.data);
log("Rx: " + ev.data);
};
this.websocket.onerror = function(ev){
console.log("Error! " + ev.data);
log("Error! " + ev.data);
}
},
disconnect: function(){
if (!this.websocket) websocket.close();
console.log("Disconnected.");
log("Disconnected.");
},
sendMessage: function(message){
this.websocket.send(message);
console.log("Tx: " + message);
log("Tx: " + message);
}
};
window.addEventListener('DOMContentLoaded', (event) => {
WS.connect();
});
const send = function(){
const msg = document.querySelector("#text-to-send").value;
WS.sendMessage(msg);
};
</script>
</head>
<body>
<div class="layout">
<div class="row">
<h1>{{title}}</h1>
<input id="text-to-send" type="text" />
<button onclick="send();">Send</button>
<button onclick="WS.connect();">Connect</button>
<button onclick="WS.disconnect();">Disconnect</button>
</div>
<div class="text-pane">
<textarea id="text-area"></textarea>
</div>
</div>
</body>
</html>

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websocket/src/test/java/kr/pe/elex/examples/ApplicationTests.java Normal file
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/*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
class ApplicationTests {
@Test
void contextLoads() {
}
}