Added AppUrlOptions

framework/src/Volo.Abp.UI.Navigation/Volo/Abp/Ui/Navigation/Urls/AppUrlOptions.cs

@@ -0,0 +1,14 @@
+using Volo.Abp.Ui.Navigation.Urls;
+
+namespace Volo.Abp.Ui.Navigation.Urls
+{
+    public class AppUrlOptions
+    {
+        public ApplicationUrlDictionary Applications { get; }
+
+        public AppUrlOptions()
+        {
+            Applications = new ApplicationUrlDictionary();
+        }
+    }
+}

framework/src/Volo.Abp.UI.Navigation/Volo/Abp/Ui/Navigation/Urls/AppUrlProvider.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.Extensions.Options;
+using Volo.Abp.DependencyInjection;
+
+namespace Volo.Abp.Ui.Navigation.Urls
+{
+    public class AppUrlProvider : IAppUrlProvider, ITransientDependency
+    {
+        protected AppUrlOptions Options { get; }
+
+        public AppUrlProvider(IOptions<AppUrlOptions> options)
+        {
+            Options = options.Value;
+        }
+
+        public virtual string GetUrl(string appName, string urlName = null)
+        {
+            var app = Options.Applications[appName];
+
+            if (urlName.IsNullOrEmpty())
+            {
+                if (app.RootUrl.IsNullOrEmpty())
+                {
+                    throw new AbpException($"RootUrl for the application '{appName}' was not configured. Use {nameof(AppUrlOptions)} to configure it!");
+                }
+
+                return app.RootUrl;
+            }
+
+            var url = app.Urls.GetOrDefault(urlName);
+            if (url.IsNullOrEmpty())
+            {
+                throw new AbpException($"Url, named '{urlName}', for the application '{appName}' was not configured. Use {nameof(AppUrlOptions)} to configure it!");
+            }
+
+            if (app.RootUrl == null)
+            {
+                return url;
+            }
+
+            return app.RootUrl.EnsureEndsWith('/') + url;
+        }
+    }
+}

framework/src/Volo.Abp.UI.Navigation/Volo/Abp/Ui/Navigation/Urls/ApplicationUrlDictionary.cs

@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+
+namespace Volo.Abp.Ui.Navigation.Urls
+{
+    public class ApplicationUrlDictionary
+    {
+        private readonly IDictionary<string, ApplicationUrlInfo> _applications;
+
+        public ApplicationUrlInfo this[string appName]
+        {
+            get
+            {
+                if (!_applications.ContainsKey(appName))
+                {
+                    _applications[appName] = new ApplicationUrlInfo();
+                }
+
+                return _applications[appName];
+            }
+        }
+
+        public ApplicationUrlDictionary()
+        {
+            _applications = new Dictionary<string, ApplicationUrlInfo>();
+        }
+    }
+}

framework/src/Volo.Abp.UI.Navigation/Volo/Abp/Ui/Navigation/Urls/ApplicationUrlInfo.cs

@@ -0,0 +1,16 @@
+using System.Collections.Generic;
+
+namespace Volo.Abp.Ui.Navigation.Urls
+{
+    public class ApplicationUrlInfo
+    {
+        public string RootUrl { get; set; }
+
+        public IDictionary<string, string> Urls { get; }
+
+        public ApplicationUrlInfo()
+        {
+            Urls = new Dictionary<string, string>();
+        }
+    }
+}

framework/src/Volo.Abp.UI.Navigation/Volo/Abp/Ui/Navigation/Urls/IAppUrlProvider.cs

@@ -0,0 +1,9 @@
+using JetBrains.Annotations;
+
+namespace Volo.Abp.Ui.Navigation.Urls
+{
+    public interface IAppUrlProvider
+    {
+        string GetUrl([NotNull] string appName, [CanBeNull] string urlName = null);
+    }
+}