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Start your free trialJeremy Dyck
12,013 PointsBroke When Adding Blocks
My code broke once I tried adding blocks around everything.
Here is the error code:
ERROR spark.http.matching.GeneralError - com.github.jknack.handlebars.HandlebarsException: /templates/index.hbs:2:7: java.lang.reflect.InaccessibleObjectException: Unable to make public boolean java.util.Collections$EmptyMap.isEmpty() accessible: module java.base does not "opens java.util" to unnamed module @19277269 /templates/index.hbs:2:7
Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make public boolean java.util.Collections$EmptyMap.isEmpty() accessible: module java.base does not "opens java.util" to unnamed module @19277269
index.hbs:
{{#partial "content"}}
{{#if username}}
<h1>Welcome {{ username }}!</h1>
{{ else }}
<h1>Welcome Students!</h1>
<form action="/sign-in" method="post">
<input type="text" placeholder="What's your user name?" name="username">
<button>Sign In</button>
</form>
{{/if}}
{{/partial}}
{{> base.hbs}}
sign-in.hbs
{{#partial "title"}}Signed In!{{/partial}}
{{#partial "content"}}
<p>Welcome {{ username }}!</p>
{{/partial}}
{{> base.hbs}}
base.hbs
{{#block "header"}}
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>{{#block "title"}}Welcome to Course Ideas{{/block}}</title>
<link rel="stylesheet" href="/css/main.css">
</head>
<body>
{{/block}}
{{#block "content"}}{{/block}}
{{#block "footer"}}
</body>
</html>
{{/block}}
Main.java
package org.example;
import org.example.model.CourseIdeaDAO;
import org.example.model.CourseIdea;
import org.example.model.SimpleCourseIdeaDAO;
import spark.ModelAndView;
import spark.template.handlebars.HandlebarsTemplateEngine;
import java.util.HashMap;
import java.util.Map;
import static spark.Spark.*;
// Press Shift twice to open the Search Everywhere dialog and type `show whitespaces`,
// then press Enter. You can now see whitespace characters in your code.
public class Main {
public static void main(String[] args) {
staticFileLocation("/public");
CourseIdeaDAO dao = new SimpleCourseIdeaDAO();
get("/", (req, res) -> {
Map<String, String> model = new HashMap<>();
model.put("username", req.cookie("username"));
return new ModelAndView(model, "index.hbs");
}, new HandlebarsTemplateEngine());
post("/sign-in", (req, res) -> {
Map<String, String> model = new HashMap<>();
String username = req.queryParams("username");
res.cookie("username", username);
model.put("username", username);
return new ModelAndView(model, "sign-in.hbs");
}, new HandlebarsTemplateEngine());
// Press Alt+Enter with your caret at the highlighted text to see how
// IntelliJ IDEA suggests fixing it.
System.out.printf("Hello and welcome!");
}
}