Initial commit

Extensions/Extensions.cs

@@ -0,0 +1,45 @@
+using System.IO;
+using System.Runtime.Serialization.Json;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Common.Extensions
+{
+    public static class Extensions
+    {
+        public static bool GetBitValue(this int integer, int bit)
+        {
+            return (integer & (1 << bit)) != 0;
+        }
+
+        public static int SetBitValue(this int integer, int bit, bool value)
+        {
+            if (value)
+                integer |= 1 << bit;
+            else
+                integer &= ~(1 << bit);
+
+            return integer;
+        }
+
+        public static string ToJson<T>(this T obj) where T : class
+        {
+            DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(T));
+            using (MemoryStream stream = new MemoryStream())
+            {
+                serializer.WriteObject(stream, obj);
+                return Encoding.Default.GetString(stream.ToArray());
+            }
+        }
+
+        public static Task<T> WithTimeout<T>(this Task<T> task, int duration)
+        {
+            return Task.Factory.StartNew(() =>
+            {
+                bool b = task.Wait(duration);
+                if (b) return task.Result;
+                return default(T);
+            });
+        }
+    }
+}