Added: JSON file support

Classes/SupportedFile/ISupportedFileBase.cs

@@ -1,4 +1,5 @@
 using RyzStudio.Windows.Forms;
+using System.Collections.Generic;
 
 namespace BookmarkManager
 {
@@ -8,6 +9,7 @@ namespace BookmarkManager
 
         bool IsEncryptionSupported { get; set; }
 
+        List<string> SupportedExtensions { get; }
 
         bool IsSupported(string filename);
 

Classes/SupportedFile/JSONSupportedFile.cs

@@ -0,0 +1,89 @@
+using bzit.bomg.Models;
+using Newtonsoft.Json;
+using RyzStudio.IO;
+using RyzStudio.Windows.Forms;
+using System;
+using System.Collections.Generic;
+using System.Windows.Forms;
+
+namespace BookmarkManager
+{
+    public class JSONSupportedFile : SupportedFileBase
+    {
+
+
+        public JSONSupportedFile()
+        {
+            supportedExtensions = new List<string>() { ".json" };
+        }
+
+
+        public override bool IsEncryptionSupported { get; set; } = false;
+
+        public override bool IsEncrypted(string filename) => false;
+
+        public override Result Load(BookmarkTreeView treeview, string filename, string password)
+        {
+            treeview.Clear();
+
+            string sourceCode = null;
+
+            try
+            {
+                sourceCode = System.IO.File.ReadAllText(filename);
+            }
+            catch (Exception exc)
+            {
+                return Result.Create(false, "Could not read file (" + exc.Message + ")");
+            }
+
+            if (string.IsNullOrWhiteSpace(sourceCode))
+            {
+                return Result.Create(false, "Could not read file, unexpected format");
+            }
+
+            List<BookmarkItem> rs = JsonConvert.DeserializeObject<List<BookmarkItem>>(sourceCode);
+            if (rs == null)
+            {
+                return Result.Create(false, "Could not read file, incorrect format");
+            }
+
+            for (int i = 0; i < rs.Count; i++)
+            {
+                if (treeview.InvokeRequired)
+                {
+                    treeview.Invoke(new MethodInvoker(() => {
+                        treeview.AddItem(rs[i]);
+                    }));
+                }
+                else
+                {
+                    treeview.AddItem(rs[i]);
+                }
+            }
+
+            return Result.Create(true);
+        }
+
+        public override Result Save(BookmarkTreeView treeview, string filename, string password)
+        {
+            List<BookmarkItem> rs = treeview.GetBookmarkList();
+            if (rs.Count <= 0)
+            {
+                return Result.Create(false, "No bookmarks to save");
+            }
+
+            try
+            {
+                System.IO.File.WriteAllText(filename, JsonConvert.SerializeObject(rs));
+            }
+            catch (Exception exc)
+            {
+                return Result.Create(false, "Could not write file (" + exc.Message + ")");
+            }
+
+            return Result.Create(true);
+        }
+
+    }
+}

Classes/SupportedFile/SupportedFileBase.cs

@@ -16,6 +16,8 @@ namespace BookmarkManager
 
         public virtual bool IsEncryptionSupported { get; set; } = false;
 
+        public List<string> SupportedExtensions { get => supportedExtensions; }
+
 
         public virtual bool IsSupported(string filename)
         {