add security

src/main/java/com/billpaymentservice/bbps/config/JwtAuthenticationEntryPoint.java

@@ -0,0 +1,22 @@
+package com.billpaymentservice.bbps.config;
+
+import java.io.IOException;
+
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.security.web.AuthenticationEntryPoint;
+import org.springframework.stereotype.Component;
+
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+@Component
+public class JwtAuthenticationEntryPoint implements AuthenticationEntryPoint {
+
+	@Override
+	public void commence(HttpServletRequest request, HttpServletResponse response,
+			AuthenticationException authException) throws IOException, ServletException {
+		response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Access denied");
+
+	}
+}