simplify RestGetGridInfoMethod a bit more

OpenSim/Server/Handlers/Grid/GridInfoHandlers.cs

@@ -27,16 +27,15 @@
 
 using System;
 using System.Collections;
-using System.IO;
 using System.Net;
 using System.Reflection;
 using System.Security;
-using System.Text;
 using log4net;
 using Nini.Config;
 using Nwc.XmlRpc;
 using OpenSim.Framework;
 using OpenSim.Framework.Servers.HttpServer;
+using OpenMetaverse;
 using OpenMetaverse.StructuredData;
 
 namespace OpenSim.Server.Handlers.Grid
@@ -81,12 +80,8 @@ namespace OpenSim.Server.Handlers.Grid
                 }
                 else if (null != netCfg)
                 {
-                    _info["login"]
-                        = String.Format(
-                            "http://127.0.0.1:{0}/",
-                            netCfg.GetString(
-                                "http_listener_port", ConfigSettings.DefaultRegionHttpPort.ToString()));
-
+                    _info["login"] = string.Format("http://127.0.0.1:{0}/",
+                            netCfg.GetString("http_listener_port", ConfigSettings.DefaultRegionHttpPort.ToString()));
                     IssueWarning();
                 }
                 else
@@ -138,20 +133,24 @@ namespace OpenSim.Server.Handlers.Grid
                 return;
             }
 
-            StringBuilder sb = new StringBuilder(4096);
-
-            sb.Append("<gridinfo>\n");
+            osUTF8 osb = OSUTF8Cached.Acquire();
+            osb.AppendASCII("<gridinfo>");
             foreach (string k in _info.Keys)
             {
-                sb.AppendFormat("<{0}>{1}</{0}>\n", k, SecurityElement.Escape(_info[k].ToString()));
+                osb.AppendASCII('<');
+                osb.AppendASCII(k);
+                osb.AppendASCII('>');
+                osb.AppendASCII(SecurityElement.Escape(_info[k].ToString()));
+                osb.AppendASCII("</");
+                osb.AppendASCII(k);
+                osb.AppendASCII('>');
             }
-            sb.Append("</gridinfo>\n");
-
-            httpResponse.RawBuffer = Util.UTF8Getbytes(sb.ToString());
+            osb.AppendASCII("</gridinfo>");
+            httpResponse.RawBuffer = OSUTF8Cached.GetArrayAndRelease(osb);
         }
 
         /// <summary>
-        /// Get GridInfo in json format: Used bu the OSSL osGetGrid*
+        /// Get GridInfo in json format: Used by the OSSL osGetGrid*
         /// Adding the SRV_HomeIRI to the kvp returned for use in scripts
         /// </summary>
         /// <returns>