Repo created

app/src/main/java/com/polar/nextcloudservices/Notification/NotificationBuilder.java

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+package com.polar.nextcloudservices.Notification;
+
+import android.app.NotificationManager;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+import androidx.core.app.NotificationCompat;
+
+import org.json.JSONObject;
+
+import java.util.Vector;
+
+public class NotificationBuilder {
+    private final Vector<AbstractNotificationProcessor> processors;
+    private final static String TAG = "Notification.NotificationBuilder";
+
+    public NotificationBuilder(){
+        processors = new Vector<>();
+    }
+
+    public NotificationBuilderResult buildNotification(int id, JSONObject rawNotification, Context context,
+                                          NotificationController controller) throws Exception {
+        NotificationManager mNotificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
+        NotificationCompat.Builder builder = new NotificationCompat.Builder(context, rawNotification.getString("app"));
+        NotificationBuilderResult result = new NotificationBuilderResult(builder);
+        for(int i=0; i<processors.size(); ++i){
+            Log.d(TAG, "Will call notification processor: " + processors.get(i).toString());
+            result = processors.get(i).updateNotification(id, result, mNotificationManager,
+                    rawNotification, context, controller);
+        }
+        return result;
+    }
+
+    public void addProcessor(AbstractNotificationProcessor processor){
+        int place=0;
+        if(processors.size() == 0){
+            Log.w(TAG, "No processors are registered. Resulting notification would be likely invalid");
+        }
+        for(;place<processors.size(); ++place){
+            if(processors.get(place).getPriority()>=processor.getPriority()){
+               break;
+            }
+        }
+        processors.insertElementAt(processor, place);
+    }
+
+    public void onNotificationEvent(NotificationEvent event, Intent intent,
+                                    NotificationController service) {
+        for(AbstractNotificationProcessor processor: processors){
+            processor.onNotificationEvent(event, intent, service);
+        }
+    }
+}