Where possible, use the system Encoding.ASCII and Encoding.UTF8 rather than constructing fresh copies.

The encodings are thread-safe and already used in such a manner in other places.
This isn't done where Byte Order Mark output is suppressed, since Encoding.UTF8 is constructed to output the BOM.

4 files changed, 14 insertions, 24 deletions

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 0a25454..0ebcd8d 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -10536,9 +10536,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     return;
                 }
 
-                System.Text.UTF8Encoding enc =
-                    new System.Text.UTF8Encoding();
-                string data = enc.GetString(a.Data);
+                string data = Encoding.UTF8.GetString(a.Data);
                 //m_log.Debug(data);
                 NotecardCache.Cache(id, data);
                 AsyncCommands.
@@ -10591,9 +10589,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                                  return;
                              }
 
-                             System.Text.UTF8Encoding enc =
-                                 new System.Text.UTF8Encoding();
-                             string data = enc.GetString(a.Data);
+                             string data = Encoding.UTF8.GetString(a.Data);
                              //m_log.Debug(data);
                              NotecardCache.Cache(id, data);
                              AsyncCommands.DataserverPlugin.DataserverReply(id.ToString(),
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
index e90f577..cfa08c2 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
@@ -1811,8 +1811,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 if (a == null)
                     return UUID.Zero;
 
-                System.Text.UTF8Encoding enc = new System.Text.UTF8Encoding();
-                string data = enc.GetString(a.Data);
+                string data = Encoding.UTF8.GetString(a.Data);
                 NotecardCache.Cache(assetID, data);
             };
 
diff --git a/OpenSim/Region/ScriptEngine/Shared/CodeTools/Compiler.cs b/OpenSim/Region/ScriptEngine/Shared/CodeTools/Compiler.cs
index 8f2ec49..17a0d69 100644
--- a/OpenSim/Region/ScriptEngine/Shared/CodeTools/Compiler.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/CodeTools/Compiler.cs
@@ -31,6 +31,7 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.Reflection;
 using System.IO;
+using System.Text;
 using Microsoft.CSharp;
 //using Microsoft.JScript;
 using Microsoft.VisualBasic;
@@ -711,9 +712,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.CodeTools
             //
             string filetext = System.Convert.ToBase64String(data);
 
-            System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
-
-            Byte[] buf = enc.GetBytes(filetext);
+            Byte[] buf = Encoding.ASCII.GetBytes(filetext);
 
             FileStream sfs = File.Create(assembly + ".text");
             sfs.Write(buf, 0, buf.Length);
@@ -804,8 +803,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.CodeTools
                 mapstring += String.Format("{0},{1},{2},{3}\n", k.Key, k.Value, v.Key, v.Value);
             }
 
-            System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
-            Byte[] mapbytes = enc.GetBytes(mapstring);
+            Byte[] mapbytes = Encoding.ASCII.GetBytes(mapstring);
             FileStream mfs = File.Create(filename);
             mfs.Write(mapbytes, 0, mapbytes.Length);
             mfs.Close();
diff --git a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
index 306090e..1c0cac7 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
@@ -26,15 +26,16 @@
  */
 
 using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
+using System.Reflection;
 using System.Runtime.Remoting;
 using System.Runtime.Remoting.Lifetime;
-using System.Threading;
-using System.Collections;
-using System.Collections.Generic;
 using System.Security.Policy;
-using System.Reflection;
-using System.Globalization;
+using System.Text;
+using System.Threading;
 using System.Xml;
 using OpenMetaverse;
 using log4net;
@@ -298,13 +299,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
                         using (FileStream fs = File.Open(savedState,
                                                          FileMode.Open, FileAccess.Read, FileShare.None))
                         {
-                            System.Text.UTF8Encoding enc =
-                                new System.Text.UTF8Encoding();
-
                             Byte[] data = new Byte[size];
                             fs.Read(data, 0, size);
 
-                            xml = enc.GetString(data);
+                            xml = Encoding.UTF8.GetString(data);
 
                             ScriptSerializer.Deserialize(xml, this);
 
@@ -954,8 +952,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
                 try
                 {
                     FileStream fs = File.Create(Path.Combine(Path.GetDirectoryName(assembly), ItemID.ToString() + ".state"));
-                    System.Text.UTF8Encoding enc = new System.Text.UTF8Encoding();
-                    Byte[] buf = enc.GetBytes(xml);
+                    Byte[] buf = (new UTF8Encoding()).GetBytes(xml);
                     fs.Write(buf, 0, buf.Length);
                     fs.Close();
                 }