1 files changed, 42 insertions, 0 deletions
diff --git a/src/objective-c/GRPCClient/private/GRPCCore/NSError+GRPC.mm b/src/objective-c/GRPCClient/private/GRPCCore/NSError+GRPC.mm
new file mode 100644
index 0000000000..f76fbb6bc7
--- /dev/null
+++ b/src/objective-c/GRPCClient/private/GRPCCore/NSError+GRPC.mm
@@ -0,0 +1,42 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#import "NSError+GRPC.h"
+
+#import <GRPCClient/GRPCTypes.h>
+#include <grpc/grpc.h>
+
+@implementation NSError (GRPC)
++ (instancetype)grpc_errorFromStatusCode:(grpc_status_code)statusCode
+                                 details:(const char *)details
+                             errorString:(const char *)errorString {
+  if (statusCode == GRPC_STATUS_OK) {
+    return nil;
+  }
+  NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
+  if (details) {
+    userInfo[NSLocalizedDescriptionKey] = [NSString stringWithCString:details
+                                                             encoding:NSUTF8StringEncoding];
+  }
+  if (errorString) {
+    userInfo[NSDebugDescriptionErrorKey] = [NSString stringWithCString:errorString
+                                                              encoding:NSUTF8StringEncoding];
+  }
+  return [NSError errorWithDomain:kGRPCErrorDomain code:statusCode userInfo:userInfo];
+}
+@end