Generate endpoint info on About page based on provided HTTP host header

src/main/java/de/rwth/idsg/steve/web/controller/AboutSettingsController.java

@@ -23,7 +23,7 @@
 import de.rwth.idsg.steve.repository.SettingsRepository;
 import de.rwth.idsg.steve.service.MailService;
 import de.rwth.idsg.steve.service.ReleaseCheckService;
-import de.rwth.idsg.steve.web.dto.EndpointInfo;
+import de.rwth.idsg.steve.web.dto.WebEndpointInfo;
 import de.rwth.idsg.steve.web.dto.SettingsForm;
 import org.joda.time.DateTime;
 import org.joda.time.DateTimeZone;
@@ -35,6 +35,7 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 
+import javax.servlet.http.HttpServletRequest;
 import javax.validation.Valid;
 
 import static de.rwth.idsg.steve.SteveConfiguration.CONFIG;
@@ -66,14 +67,18 @@ public class AboutSettingsController {
     // -------------------------------------------------------------------------
 
     @RequestMapping(value = ABOUT_PATH, method = RequestMethod.GET)
-    public String getAbout(Model model) {
+    public String getAbout(HttpServletRequest request, Model model) {
+        WebEndpointInfo info = new WebEndpointInfo();
+        info.getOcppSoap().setUrlPrefix("http", request.getServerName());
+        info.getOcppWebSocket().setUrlPrefix("ws", request.getServerName());
+
         model.addAttribute("version", CONFIG.getSteveVersion());
         model.addAttribute("db", genericRepository.getDBVersion());
         model.addAttribute("logFile", logController.getLogFilePath());
         model.addAttribute("systemTime", DateTime.now());
         model.addAttribute("systemTimeZone", DateTimeZone.getDefault());
         model.addAttribute("releaseReport", releaseCheckService.check());
-        model.addAttribute("endpointInfo", EndpointInfo.INSTANCE);
+        model.addAttribute("endpointInfo", info);
         return "about";
     }
 

src/main/java/de/rwth/idsg/steve/web/dto/WebEndpointInfo.java

@@ -0,0 +1,47 @@
+/*
+ * SteVe - SteckdosenVerwaltung - https://github.com/RWTH-i5-IDSG/steve
+ * Copyright (C) 2013-2022 RWTH Aachen University - Information Systems - Intelligent Distributed Systems Group (IDSG).
+ * All Rights Reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package de.rwth.idsg.steve.web.dto;
+
+import lombok.Getter;
+
+/**
+ * @author Michael Heimpold <[email protected]>
+ */
+@Getter
+public final class WebEndpointInfo {
+    private final ItemsWithInfo ocppSoap = new ItemsWithInfo("SOAP endpoint for OCPP", "/services/CentralSystemService");
+    private final ItemsWithInfo ocppWebSocket = new ItemsWithInfo("WebSocket/JSON endpoint for OCPP", "/websocket/CentralSystemService/(chargeBoxId)");
+
+    @Getter
+    public static class ItemsWithInfo {
+        private final String info;
+        private final String path;
+        private String url;
+
+        private ItemsWithInfo(String info, String path) {
+            this.info = info;
+            this.path = path;
+            this.url = "";
+        }
+
+        public synchronized void setUrlPrefix(String scheme, String serverName) {
+            this.url = scheme + "://" + serverName + path;
+        }
+    }
+}

src/main/resources/webapp/WEB-INF/views/about.jsp

@@ -40,10 +40,10 @@
     <table class="userInputFullPage">
         <tr>
             <td>${endpointInfo.ocppSoap.info}:</td>
-            <td><c:forEach items="${endpointInfo.ocppSoap.data}" var="i">${i}<br></c:forEach></td>
+            <td>${endpointInfo.ocppSoap.url}</td>
         <tr>
             <td>${endpointInfo.ocppWebSocket.info}:</td>
-            <td><c:forEach items="${endpointInfo.ocppWebSocket.data}" var="i">${i}<br></c:forEach></td>
+            <td>${endpointInfo.ocppWebSocket.url}</td>
         </tr>
     </tr>
     </table>