feat: WebSocket 채팅 수정

src/main/java/com/example/sign/websocket/RandomStringGenerator.java

@@ -0,0 +1,19 @@
+package com.example.sign.websocket;
+
+import java.security.SecureRandom;
+
+public class RandomStringGenerator {
+    private static final String ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+    private static final SecureRandom RANDOM = new SecureRandom();
+    private static final int LENGTH = 20;
+
+    public static String generateRandomString() {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < LENGTH; i++) {
+            int index = RANDOM.nextInt(ALPHABET.length());
+            sb.append(ALPHABET.charAt(index));
+        }
+        return sb.toString();
+    }
+}
+

src/main/java/com/example/sign/websocket/Room.java

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+package com.example.sign.websocket;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+@Entity
+public class Room {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    private String roomId;
+    private String user1;
+    private String user2;
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+    public void setRoomId(String roomId) {
+        this.roomId = roomId;
+    }
+
+    public void setUser1(String user1) {
+        this.user1 = user1;
+    }
+
+    public void setUser2(String user2) {
+        this.user2 = user2;
+    }
+
+}
+
+

src/main/java/com/example/sign/websocket/SpringApplicationContext.java

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+package com.example.sign.websocket;
+
+import org.springframework.beans.BeansException;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.stereotype.Component;
+
+@Component
+public class SpringApplicationContext implements ApplicationContextAware {
+    private static ApplicationContext context;
+
+    @Override
+    public void setApplicationContext(ApplicationContext context) throws BeansException {
+        SpringApplicationContext.context = context;
+    }
+
+    public static ApplicationContext getContext() {
+        return context;
+    }
+}
+

src/main/java/com/example/sign/websocket/SpringConfigurator.java

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+package com.example.sign.websocket;
+
+import org.springframework.context.ApplicationContext;
+import jakarta.websocket.server.ServerEndpointConfig.Configurator;
+
+public class SpringConfigurator extends Configurator {
+    @Override
+    public <T> T getEndpointInstance(Class<T> clazz) throws InstantiationException {
+        ApplicationContext context = SpringApplicationContext.getContext();
+        return context.getBean(clazz);
+    }
+}
+