Add contact submission backend

2 files changed, 44 insertions, 4 deletions

diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/client/ClientController.java b/src/main/java/pl/edu/mimuw/cloudatlas/client/ClientController.java
index bdc71df..31d1c06 100644
--- a/src/main/java/pl/edu/mimuw/cloudatlas/client/ClientController.java
+++ b/src/main/java/pl/edu/mimuw/cloudatlas/client/ClientController.java
@@ -1,12 +1,21 @@
 package pl.edu.mimuw.cloudatlas.client;
 
+import com.google.gson.Gson;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.stereotype.Controller;
 import pl.edu.mimuw.cloudatlas.api.Api;
+import pl.edu.mimuw.cloudatlas.model.PathName;
+import pl.edu.mimuw.cloudatlas.model.ValueContact;
 
+import java.net.InetAddress;
+import java.net.UnknownHostException;
 import java.rmi.registry.LocateRegistry;
 import java.rmi.registry.Registry;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
 
 /*
 should enable reading attribute values stored by the agent
@@ -72,12 +81,43 @@ public class ClientController {
 
     @GetMapping("/contacts")
     public String contactPage(Model model) {
+        model.addAttribute("contactsObject" , new ContactsString());
         return "contactsForm";
     }
 
     @PostMapping("/contacts")
-    public String contactPage(@ModelAttribute String contactsObject, Model model) {
-        model.addAttribute("homeMessage", "Contact list submitted successfully");
+    public String contactPage(@ModelAttribute ContactsString contactsObject, Model model) {
+        boolean success = true;
+        Gson gson = new Gson();
+        Map<String, ArrayList> contactStrings = gson.fromJson(contactsObject.getString(), Map.class);
+        Set<ValueContact> contactObjects = new HashSet<ValueContact>();
+        ArrayList<Double> cAddr;
+        byte[] inetArray = new byte[4];
+
+        try {
+            for (Map.Entry<String, ArrayList> cursor : contactStrings.entrySet()) {
+                cAddr = cursor.getValue(); // gson always reads numerical values as doubles
+                for (int i = 0; i < 4; i++) {
+                    inetArray[i] = (byte) cAddr.get(i).doubleValue();
+                }
+                contactObjects.add(new ValueContact(
+                        new PathName(cursor.getKey()),
+                        InetAddress.getByAddress(inetArray))
+                );
+            }
+            this.api.setFallbackContacts(contactObjects);
+        } catch (Exception e) {
+            success = false;
+            System.err.println("Client exception:");
+            e.printStackTrace();
+        }
+
+        if (success) {
+            model.addAttribute("homeMessage", "Contact list submitted successfully");
+        } else {
+            model.addAttribute("homeMessage", "Contact list submission failed");
+        }
+
         return "home";
     }
 
diff --git a/src/main/resources/pl/edu/mimuw/cloudatlas/client/templates/contactsForm.html b/src/main/resources/pl/edu/mimuw/cloudatlas/client/templates/contactsForm.html
index 027f831..40af9b4 100644
--- a/src/main/resources/pl/edu/mimuw/cloudatlas/client/templates/contactsForm.html
+++ b/src/main/resources/pl/edu/mimuw/cloudatlas/client/templates/contactsForm.html
@@ -13,8 +13,8 @@
 <div id="queryForm">
     <form action="#" th:action="@{/contacts}" th:object="${contactsObject}" method="post">
         <div class="form-group">
-            <label for="Textarea1">Enter contacts as a Json list</label>
-            <textarea class="form-control" id="Textarea1" rows="3"></textarea>
+            <label for="Textarea1">Enter contacts as a Json map with string key and integer list as value</label>
+            <textarea class="form-control" id="Textarea1" rows="3" th:field="*{string}"></textarea>
         </div>
         <button type="submit" class="btn btn-primary">Submit</button>
     </form>