simplelogger.cs

Excel的操作,其中可以读取及写入Excel 文件

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using Logger = Microsoft.Fawvw.Components.NExcel.ExcelCommon.Logger;

namespace Microsoft.Fawvw.Components.NExcel.ExcelCommon.log
{
    /// <summary>
    /// The default logger.  Simple writes everything out to stdout or stderr
    /// </summary>
    public class SimpleLogger : Logger
    {
        /// <summary> Overrides the method in the base class to suppress warnings - it can
        /// be set using the system property Microsoft.Fawvw.Components.NExcel.nowarnings.  
        /// This method was originally present in the WorkbookSettings bean,
        /// but has been moved to the logger class.  This means it is now present
        /// when the JVM is initialized, and subsequent to change it on 
        /// a Workbook by Workbook basis will prove fruitless 
        /// </summary>
        /// <param name="w">suppression flag</param>
        override public bool SuppressWarnings
        {
            set
            {
                suppressWarnings = value;
            }

        }
        /// <summary> 
        /// Flag to indicate whether or not warnings should be suppressed
        /// </summary>
        private bool suppressWarnings;

        /// <summary>
        /// Constructor
        /// </summary>
        public SimpleLogger()
        {
            suppressWarnings = false;
        }

        /// <summary> 
        /// Log a debug message
        /// </summary>
        public override void debug(System.Object message)
        {
            if (!suppressWarnings)
            {
                System.Console.Out.Write("Debug: ");
                System.Console.Out.WriteLine(message);
            }
        }

        /// <summary> Log a debug message and exception</summary>
        public override void debug(System.Object message, System.Exception t)
        {
            if (!suppressWarnings)
            {
                System.Console.Out.Write("Debug: ");
                System.Console.Out.WriteLine(message);
            }
        }

        /// <summary>  Log an error message</summary>
        public override void error(System.Object message)
        {
            System.Console.Error.Write("Error: ");
            System.Console.Error.WriteLine(message);
        }

        /// <summary> Log an error message object and exception</summary>
        public override void error(System.Object message, System.Exception t)
        {
            System.Console.Error.Write("Error: ");
            System.Console.Error.WriteLine(message);
            //    t.printStackTrace();
        }

        /// <summary> Log a fatal message</summary>
        public override void fatal(System.Object message)
        {
            System.Console.Error.Write("Fatal: ");
            System.Console.Error.WriteLine(message);
        }

        /// <summary> Log a fatal message and exception</summary>
        public override void fatal(System.Object message, System.Exception t)
        {
            System.Console.Error.Write("Fatal:  ");
            System.Console.Error.WriteLine(message);
            //    t.printStackTrace();
        }

        /// <summary> Log an information message</summary>
        public override void info(System.Object message)
        {
            if (!suppressWarnings)
            {
                System.Console.Out.WriteLine(message);
            }
        }

        /// <summary> Logs an information message and an exception</summary>

        public override void info(System.Object message, System.Exception t)
        {
            if (!suppressWarnings)
            {
                System.Console.Out.WriteLine(message);
                //      t.printStackTrace();
            }
        }

        /// <summary> Log a warning message object</summary>
        public override void warn(System.Object message)
        {
            if (!suppressWarnings)
            {
                System.Console.Error.Write("Warning:  ");
                System.Console.Error.WriteLine(message);
            }
        }

        /// <summary> Log a warning message with exception</summary>
        public override void warn(System.Object message, System.Exception t)
        {
            if (!suppressWarnings)
            {
                System.Console.Error.Write("Warning:  ");
                System.Console.Error.WriteLine(message);
                //      t.printStackTrace();
            }
        }

        /// <summary> Accessor to the logger implementation</summary>
        protected internal override Logger getLoggerImpl(System.Type c)
        {
            return this;
        }
    }
}