the following jsp file presents a code that gives users the distance between two countries using the google maps service, but the OkHttpClient / Request / JSONObject classes are not resolved to a type
I tried to import the classes but the problem is not solved .
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@import com.squareup.okhttp.OkHttpClient; %>
<%@import okhttp3.OkHttpClient; %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Distance Calculator</title>
</head>
<body>
<h1>Distance Calculator</h1>
<form action="" method="post">
<label for="origin">Origin:</label>
<input type="text" id="origin" name="origin" required><br><br>
<label for="destination">Destination:</label>
<input type="text" id="destination" name="destination" required><br><br>
<input type="submit" value="Calculate Distance">
</form>
<%
if (request.getMethod().equals("POST")) {
String apiKey = "YOUR_API_KEY";
String origin = request.getParameter("origin").replaceAll("\\s", "+");
String destination = request.getParameter("destination").replaceAll("\\s", "+");
String url = "https://maps.googleapis.com/maps/api/distancematrix/json?origins="
+ origin + "&destinations=" + destination + "&units=metric&key=" + apiKey;
OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder()
.url(url)
.build();
Response response = client.newCall(request).execute();
String jsonData = response.body().string();
JSONObject jsonObj = new JSONObject(jsonData);
JSONArray rows = jsonObj.getJSONArray("rows");
JSONObject elements = rows.getJSONObject(0).getJSONArray("elements").getJSONObject(0);
String distance = elements.getJSONObject("distance").getString("text");
String duration = elements.getJSONObject("duration").getString("text");
out.print("<p>The distance between " + origin.replaceAll("\\+", " ")
+ " and " + destination.replaceAll("\\+", " ")
+ " is " + distance + " and it will take about " + duration + " to get there.</p>");
}
%>
</body>
</html>
