chore: 初始化北汽福田MES采集程序

Common/00-1Json8.3/Json8.3/Serialization/MemoryTraceWriter.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Globalization;
+using System.Text;
+
+namespace Newtonsoft.Json.Serialization
+{
+    /// <summary>
+    /// Represents a trace writer that writes to memory. When the trace message limit is
+    /// reached then old trace messages will be removed as new messages are added.
+    /// </summary>
+    public class MemoryTraceWriter : ITraceWriter
+    {
+        private readonly Queue<string> _traceMessages;
+
+        /// <summary>
+        /// Gets the <see cref="TraceLevel"/> that will be used to filter the trace messages passed to the writer.
+        /// For example a filter level of <code>Info</code> will exclude <code>Verbose</code> messages and include <code>Info</code>,
+        /// <code>Warning</code> and <code>Error</code> messages.
+        /// </summary>
+        /// <value>
+        /// The <see cref="TraceLevel"/> that will be used to filter the trace messages passed to the writer.
+        /// </value>
+        public TraceLevel LevelFilter { get; set; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MemoryTraceWriter"/> class.
+        /// </summary>
+        public MemoryTraceWriter()
+        {
+            LevelFilter = TraceLevel.Verbose;
+            _traceMessages = new Queue<string>();
+        }
+
+        /// <summary>
+        /// Writes the specified trace level, message and optional exception.
+        /// </summary>
+        /// <param name="level">The <see cref="TraceLevel"/> at which to write this trace.</param>
+        /// <param name="message">The trace message.</param>
+        /// <param name="ex">The trace exception. This parameter is optional.</param>
+        public void Trace(TraceLevel level, string message, Exception ex)
+        {
+            if (_traceMessages.Count >= 1000)
+            {
+                _traceMessages.Dequeue();
+            }
+
+            StringBuilder sb = new StringBuilder();
+            sb.Append(DateTime.Now.ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'fff", CultureInfo.InvariantCulture));
+            sb.Append(" ");
+            sb.Append(level.ToString("g"));
+            sb.Append(" ");
+            sb.Append(message);
+
+            _traceMessages.Enqueue(sb.ToString());
+        }
+
+        /// <summary>
+        /// Returns an enumeration of the most recent trace messages.
+        /// </summary>
+        /// <returns>An enumeration of the most recent trace messages.</returns>
+        public IEnumerable<string> GetTraceMessages()
+        {
+            return _traceMessages;
+        }
+
+        /// <summary>
+        /// Returns a <see cref="String"/> of the most recent trace messages.
+        /// </summary>
+        /// <returns>
+        /// A <see cref="String"/> of the most recent trace messages.
+        /// </returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            foreach (string traceMessage in _traceMessages)
+            {
+                if (sb.Length > 0)
+                {
+                    sb.AppendLine();
+                }
+
+                sb.Append(traceMessage);
+            }
+
+            return sb.ToString();
+        }
+    }
+}