add validators and export more things and dart format

examples/topics.dart

@@ -12,7 +12,7 @@ void main() async {
 
   var topicClient = TopicClient(
       CredentialProvider.fromEnvironmentVariable("MOMENTO_API_KEY"),
-      Mobile.latest());
+      MobileTopicConfiguration.latest());
 
   // start publishing messages in 2 seconds
   Timer(const Duration(seconds: 2), () async {

lib/client_sdk_dart.dart

@@ -7,10 +7,14 @@ export 'src/topic_client.dart';
 export 'src/cache_client.dart';
 export 'src/auth/credential_provider.dart';
 export 'src/config/topic_configurations.dart';
+export 'src/config/cache_configurations.dart';
 export 'src/messages/values.dart';
 export 'src/messages/responses/topics/topic_publish.dart';
 export 'src/messages/responses/topics/topic_subscribe.dart';
 export 'src/messages/responses/topics/topic_subscription_item.dart';
 export 'src/config/logger.dart' show LogLevel;
+export 'src/messages/responses/cache/data/scalar/delete_response.dart';
+export 'src/messages/responses/cache/data/scalar/get_response.dart';
+export 'src/messages/responses/cache/data/scalar/set_response.dart';
 
 // TODO: Export any libraries intended for clients of this package.

lib/src/cache_client.dart

@@ -1,12 +1,14 @@
 import 'package:client_sdk_dart/src/config/cache_configuration.dart';
+import 'package:client_sdk_dart/src/errors/errors.dart';
 import 'package:client_sdk_dart/src/internal/data_client.dart';
+import 'package:client_sdk_dart/src/internal/utils/validators.dart';
 import 'package:client_sdk_dart/src/messages/responses/cache/data/scalar/delete_response.dart';
 import 'package:client_sdk_dart/src/messages/responses/cache/data/scalar/get_response.dart';
 import 'package:client_sdk_dart/src/messages/responses/cache/data/scalar/set_response.dart';
 import 'package:logging/logging.dart';
 
 import 'auth/credential_provider.dart';
-import 'config/logger.dart';
+// import 'config/logger.dart';
 import 'messages/values.dart';
 
 abstract class ICacheClient {
@@ -26,26 +28,45 @@ class CacheClient implements ICacheClient {
       CacheConfiguration configuration, Duration defaultTtl)
       : _dataClient =
             DataClient(credentialProvider, configuration, defaultTtl) {
-    _logger.level = determineLoggerLevel(configuration.logLevel);
+    // TODO: fix logging level issue
+    // _logger.level = determineLoggerLevel(configuration.logLevel);
     _logger.finest("initializing cache client");
   }
 
   @override
   Future<GetResponse> get(String cacheName, Value key) {
-    // TODO: add validators
+    try {
+      validateCacheName(cacheName);
+    } catch (e) {
+      if (e is SdkException) {
+        return Future.error(GetError(e));
+      }
+    }
     return _dataClient.get(cacheName, key);
   }
 
   @override
   Future<SetResponse> set(String cacheName, Value key, Value value,
       {Duration? ttl}) {
-    // TODO: add validators
+    try {
+      validateCacheName(cacheName);
+    } catch (e) {
+      if (e is SdkException) {
+        return Future.error(GetError(e));
+      }
+    }
     return _dataClient.set(cacheName, key, value, ttl: ttl);
   }
 
   @override
   Future<DeleteResponse> delete(String cacheName, Value key) {
-    // TODO: add validators
+    try {
+      validateCacheName(cacheName);
+    } catch (e) {
+      if (e is SdkException) {
+        return Future.error(GetError(e));
+      }
+    }
     return _dataClient.delete(cacheName, key);
   }
 }

lib/src/config/cache_configurations.dart

@@ -8,7 +8,7 @@ import 'cache_configuration.dart';
 abstract interface class CacheClientConfigurations {}
 
 /// Provides prebuilt configurations for the `CacheClient` on mobile platforms
-class Mobile extends CacheClientConfigurations {
+class MobileCacheConfiguration extends CacheClientConfigurations {
   static CacheClientConfiguration defaultConfig() {
     return latest();
   }

lib/src/config/topic_configurations.dart

@@ -7,7 +7,7 @@ import 'transport/transport_strategy.dart';
 abstract interface class TopicClientConfigurations {}
 
 /// Provides prebuilt configurations for the `TopicClient` on mobile platforms
-class Mobile extends TopicClientConfigurations {
+class MobileTopicConfiguration extends TopicClientConfigurations {
   static TopicClientConfiguration defaultConfig() {
     return latest();
   }

lib/src/internal/data_client.dart

@@ -22,19 +22,17 @@ abstract class AbstractDataClient {
 class DataClient implements AbstractDataClient {
   late ClientChannel _channel;
   late ScsClient _client;
-  late CacheConfiguration _configuration;
-  late Duration _defaultTtl;
+  final CacheConfiguration _configuration;
+  final Duration _defaultTtl;
 
-  DataClient(CredentialProvider credentialProvider,
-      CacheConfiguration configuration, Duration defaultTtl) {
+  DataClient(CredentialProvider credentialProvider, this._configuration,
+      this._defaultTtl) {
     _channel = ClientChannel(credentialProvider.cacheEndpoint);
     _client = ScsClient(_channel,
         options: CallOptions(metadata: {
           'authorization': credentialProvider.apiKey,
           'agent': 'dart:0.1.0',
         }, timeout: _configuration.transportStrategy.grpcConfig.deadline));
-    _configuration = configuration;
-    _defaultTtl = defaultTtl;
   }
 
   @override
@@ -44,7 +42,7 @@ class DataClient implements AbstractDataClient {
     try {
       var resp = await _client.get(request,
           options: CallOptions(metadata: {
-            'cacheName': cacheName,
+            'cache': cacheName,
           }));
 
       switch (resp.result) {
@@ -77,7 +75,7 @@ class DataClient implements AbstractDataClient {
     try {
       await _client.set(request,
           options: CallOptions(metadata: {
-            'cacheName': cacheName,
+            'cache': cacheName,
           }));
       return SetSuccess();
     } catch (e) {
@@ -96,7 +94,7 @@ class DataClient implements AbstractDataClient {
     try {
       await _client.delete(request,
           options: CallOptions(metadata: {
-            'cacheName': cacheName,
+            'cache': cacheName,
           }));
       return DeleteSuccess();
     } catch (e) {

lib/src/internal/utils/validators.dart

@@ -0,0 +1,13 @@
+import 'package:client_sdk_dart/src/errors/errors.dart';
+
+void _validateString(String str, String errorMessage) {
+  if (str.isEmpty) {
+    throw InvalidArgumentException(errorMessage, null, null);
+  }
+}
+
+void validateCacheName(String cacheName) =>
+    _validateString(cacheName, "Invalid cache name");
+
+void validateTopicName(String topicName) =>
+    _validateString(topicName, "Invalid topic name");

lib/src/messages/responses/cache/data/scalar/delete_response.dart

@@ -1,7 +1,7 @@
 import 'package:client_sdk_dart/src/messages/responses/responses_base.dart';
 
 /// Sealed class for a delete cache item request.
-/// 
+///
 /// Pattern matching can be used to operate on the appropriate subtype.
 /// ```dart
 /// switch (response) {
@@ -17,7 +17,7 @@ sealed class DeleteResponse {}
 class DeleteSuccess implements DeleteResponse {}
 
 /// Indicates that an error occurred during the delete cache item request.
-/// 
+///
 /// The response object includes the following fields you can use to determine how you want to handle the error:
 /// - `errorCode`: a unique Momento error code indicating the type of error that occurred
 /// - `message`: a human-readable description of the error

lib/src/messages/responses/cache/data/scalar/get_response.dart

@@ -3,7 +3,7 @@ import 'dart:convert';
 import 'package:client_sdk_dart/src/messages/responses/responses_base.dart';
 
 /// Sealed class for a get cache item request.
-/// 
+///
 /// Pattern matching can be used to operate on the appropriate subtype.
 /// ```dart
 /// switch (response) {
@@ -21,7 +21,7 @@ sealed class GetResponse {}
 class GetMiss implements GetResponse {}
 
 /// Indicates that an error occurred during the get cache item request.
-/// 
+///
 /// The response object includes the following fields you can use to determine how you want to handle the error:
 /// - `errorCode`: a unique Momento error code indicating the type of error that occurred
 /// - `message`: a human-readable description of the error

lib/src/messages/responses/cache/data/scalar/set_response.dart

@@ -1,7 +1,7 @@
 import 'package:client_sdk_dart/src/messages/responses/responses_base.dart';
 
 /// Sealed class for a set cache item request.
-/// 
+///
 /// Pattern matching can be used to operate on the appropriate subtype.
 /// ```dart
 /// switch (response) {
@@ -17,7 +17,7 @@ sealed class SetResponse {}
 class SetSuccess implements SetResponse {}
 
 /// Indicates that an error occurred during the set cache item request.
-/// 
+///
 /// The response object includes the following fields you can use to determine how you want to handle the error:
 /// - `errorCode`: a unique Momento error code indicating the type of error that occurred
 /// - `message`: a human-readable description of the error

lib/src/topic_client.dart

@@ -23,6 +23,7 @@ class TopicClient implements ITopicClient {
   TopicClient(
       CredentialProvider credentialProvider, TopicConfiguration configuration)
       : _pubsubClient = ClientPubsub(credentialProvider, configuration) {
+    // TODO: fix logging level issue
     // _logger.level = determineLoggerLevel(configuration.logLevel);
     _logger.finest("initializing topic client");
   }