MainHtml.java

import http.MyRequest;
import http.MyResponse;

public class MainHtml {
    public static void main(String[] args) {
        String rawHttpRequest =
                "GET / HTTP/1.1\r\n" +
                        "Host: localhost:8080\r\n" +
                        "jwtToken: 전여름\r\n" +
                        "Accept: text/html\r\n" +
                        "\r\n";

        MyRequest request = MyRequest.fromRaw(rawHttpRequest);

        String jwtToken = request.header("jwtToken").orElse("알 수 없음");

        String htmlBody = "<h1>" + escapeHtml(jwtToken) + "님 안녕하세요! </h1>";

        MyResponse response = MyResponse.html(
                200,
                request,
                htmlBody
        );

        System.out.println("===== HTTP 요청 원본 String =====");
        System.out.println(rawHttpRequest);

        System.out.println();
        System.out.println("===== MyRequest 객체에 담긴 값 =====");
        System.out.println("method = " + request.method());
        System.out.println("path = " + request.path());
        System.out.println("uri = " + request.uri());
        System.out.println("version = " + request.httpVersionText());
        System.out.println("headers = " + request.headers().map());
        System.out.println("jwtToken header = " + request.header("jwtToken").orElse(""));
        System.out.println("body = " + request.body());

        System.out.println();
        System.out.println("===== 응답하기 위한 MyResponse 객체에 담긴 값 =====");
        System.out.println("statusCode = " + response.statusCode());
        System.out.println("uri = " + response.uri());
        System.out.println("version = " + response.version());
        System.out.println("headers = " + response.headers().map());
        System.out.println("body = " + response.body());

        System.out.println();
        System.out.println("===== MyResponse가 만든 HTTP 응답 원본 String =====");
        System.out.println(response.toRawHttpResponse());
    }

    private static String escapeHtml(String value) {
        if (value == null) {
            return "";
        }

        return value
                .replace("&", "&amp;")
                .replace("<", "&lt;")
                .replace(">", "&gt;")
                .replace("\"", "&quot;")
                .replace("'", "&#39;");
    }
}