modify class protected level

src/DotNetCore.CAP/Internal/ConsumerContext.cs

@@ -5,7 +5,7 @@ namespace DotNetCore.CAP.Internal
     /// <summary>
     /// A context for consumers, it used to be provider wrapper of method description and received message.
     /// </summary>
-    public class ConsumerContext
+    internal class ConsumerContext
     {
         /// <summary>
         /// create a new instance of  <see cref="ConsumerContext" /> .

src/DotNetCore.CAP/Internal/ConsumerExecutedResult.cs

@@ -4,7 +4,7 @@ using System.Text;
 
 namespace DotNetCore.CAP.Internal
 {
-    public class ConsumerExecutedResult
+    internal class ConsumerExecutedResult
     {
         public ConsumerExecutedResult(object result, string msgId, string callbackName)
         {

src/DotNetCore.CAP/Internal/ConsumerExecutorDescriptor.cs

@@ -6,7 +6,7 @@ namespace DotNetCore.CAP.Internal
     /// <summary>
     /// A descriptor of user definition method.
     /// </summary>
-    public class ConsumerExecutorDescriptor
+    internal class ConsumerExecutorDescriptor
     {
         public MethodInfo MethodInfo { get; set; }
 

src/DotNetCore.CAP/Internal/ConsumerInvokerFactory.cs

@@ -4,7 +4,7 @@ using Microsoft.Extensions.Logging;
 
 namespace DotNetCore.CAP.Internal
 {
-    public class ConsumerInvokerFactory : IConsumerInvokerFactory
+    internal class ConsumerInvokerFactory : IConsumerInvokerFactory
     {
         private readonly ILogger _logger;
         private readonly IMessagePacker _messagePacker;

src/DotNetCore.CAP/Internal/ICallbackMessageSender.cs

@@ -2,7 +2,7 @@
 
 namespace DotNetCore.CAP.Internal
 {
-    public interface ICallbackMessageSender
+    internal interface ICallbackMessageSender
     {
         Task SendAsync(string messageId, string topicName, object bodyObj);
     }

src/DotNetCore.CAP/Internal/IConsumerInvoker.Default.cs

@@ -7,7 +7,7 @@ using Microsoft.Extensions.Logging;
 
 namespace DotNetCore.CAP.Internal
 {
-    public class DefaultConsumerInvoker : IConsumerInvoker
+    internal class DefaultConsumerInvoker : IConsumerInvoker
     {
         private readonly ILogger _logger;
         private readonly IModelBinderFactory _modelBinderFactory;

src/DotNetCore.CAP/Internal/IConsumerInvoker.cs

 using System.Threading.Tasks;
-using DotNetCore.CAP.Abstractions;
 
 namespace DotNetCore.CAP.Internal
 {
     /// <summary>
     /// Perform user definition method of consumers.
     /// </summary>
-    public interface IConsumerInvoker
+    internal interface IConsumerInvoker
     {
         /// <summary>
         /// Invoke consumer method whit consumer context.

src/DotNetCore.CAP/Internal/IConsumerInvokerFactory.cs

 namespace DotNetCore.CAP.Internal
 {
-    public interface IConsumerInvokerFactory
+    internal interface IConsumerInvokerFactory
     {
         IConsumerInvoker CreateInvoker();
     }

src/DotNetCore.CAP/Internal/IConsumerServiceSelector.Default.cs

@@ -12,7 +12,7 @@ namespace DotNetCore.CAP.Internal
     /// <summary>
     /// A default <see cref="T:DotNetCore.CAP.Abstractions.IConsumerServiceSelector" /> implementation.
     /// </summary>
-    public class DefaultConsumerServiceSelector : IConsumerServiceSelector
+    internal class DefaultConsumerServiceSelector : IConsumerServiceSelector
     {
         private readonly IServiceProvider _serviceProvider;
 

src/DotNetCore.CAP/Internal/IConsumerServiceSelector.cs

@@ -5,7 +5,7 @@ namespace DotNetCore.CAP.Internal
     /// <summary>
     /// Defines an interface for selecting an consumer service method to invoke for the current message.
     /// </summary>
-    public interface IConsumerServiceSelector
+    internal interface IConsumerServiceSelector
     {
         /// <summary>
         /// Selects a set of <see cref="ConsumerExecutorDescriptor" /> candidates for the current message associated with

src/DotNetCore.CAP/Internal/IContentSerializer.Json.cs

-using DotNetCore.CAP.Abstractions;
+using System;
+using DotNetCore.CAP.Abstractions;
 using DotNetCore.CAP.Infrastructure;
 
 namespace DotNetCore.CAP.Internal
 {
-    public class JsonContentSerializer : IContentSerializer
+    internal class JsonContentSerializer : IContentSerializer
     {
         public T DeSerialize<T>(string messageObjStr) 
         {
             return Helper.FromJson<T>(messageObjStr);
         }
 
+        public object DeSerialize(string content, Type type)
+        {
+            return Helper.FromJson(content, type);
+        }
+
         public string Serialize<T>(T messageObj)
         {
             return Helper.ToJson(messageObj);

src/DotNetCore.CAP/Internal/IMessagePacker.Default.cs

@@ -3,7 +3,7 @@ using DotNetCore.CAP.Models;
 
 namespace DotNetCore.CAP.Internal
 {
-    public class DefaultMessagePacker : IMessagePacker
+    internal class DefaultMessagePacker : IMessagePacker
     {
         private readonly IContentSerializer _serializer;
 

src/DotNetCore.CAP/Internal/IModelBinder.SimpleType.cs

@@ -8,7 +8,7 @@ using DotNetCore.CAP.Abstractions.ModelBinding;
 
 namespace DotNetCore.CAP.Internal
 {
-    public class SimpleTypeModelBinder : IModelBinder
+    internal class SimpleTypeModelBinder : IModelBinder
     {
         private readonly ParameterInfo _parameterInfo;
         private readonly TypeConverter _typeConverter;

src/DotNetCore.CAP/Internal/ISubscriberExecutor.Default.cs

 using System;
 using System.Threading.Tasks;
+using DotNetCore.CAP.Abstractions;
 using DotNetCore.CAP.Models;
 using Microsoft.Extensions.Logging;
 
 namespace DotNetCore.CAP.Internal
 {
-    public class DefaultSubscriberExecutor : ISubscriberExecutor
+    internal class DefaultSubscriberExecutor : ISubscriberExecutor
     {
         private readonly ICallbackMessageSender _callbackMessageSender;
         private readonly ILogger<DefaultSubscriberExecutor> _logger;
@@ -44,7 +45,7 @@ namespace DotNetCore.CAP.Internal
                 var ret = await Invoker.InvokeAsync(consumerContext);
 
                 if (!string.IsNullOrEmpty(ret.CallbackName))
-                   await  _callbackMessageSender.SendAsync(ret.MessageId,ret.CallbackName,ret.Result);
+                    await _callbackMessageSender.SendAsync(ret.MessageId, ret.CallbackName, ret.Result);
 
                 return OperateResult.Success;
             }

src/DotNetCore.CAP/Internal/MethodMatcherCache.cs

@@ -6,7 +6,7 @@ using DotNetCore.CAP.Abstractions;
 
 namespace DotNetCore.CAP.Internal
 {
-    public class MethodMatcherCache
+    internal class MethodMatcherCache
     {
         private readonly IConsumerServiceSelector _selector;