1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 * 

    14 * Description:

    15 *

    16 */

    17 using System;

    18 using System.Collections.Generic;

    19 using System.Text;

    20 using System.IO;

    21 using System.Windows.Forms;

    22 using SymbianUtils;

    23 using SymbianUtils.Tracer;

    24 

    25 namespace SymbianUtils.FileSystem

    26 {

    27     public sealed class FSLog : DisposableObject, ITracer

    28     {

    29         #region Constructors

    30         public FSLog()

    31             : this( false )

    32         {

    33         }

    34 

    35         public FSLog( bool aIncludeTimeStamp )

    36         {

    37             iIncludeTimeStamp = aIncludeTimeStamp;

    38             //

    39             try

    40             {

    41                 string path = Application.ExecutablePath;

    42                 string exe = Path.GetFileName( path );

    43                 path = Path.GetDirectoryName( path );

    44                 //

    45                 string file = Path.Combine( path, exe + ".debug.txt" );

    46                 iStream = new StreamWriter( new FileStream( file, FileMode.Create ) );

    47                 iStream.AutoFlush = true;

    48             }

    49             catch ( Exception )

    50             {

    51             }

    52         }

    53         #endregion

    54 

    55         #region API

    56         public void TraceAlways( string aMessage )

    57         {

    58             DoTrace( aMessage, true );

    59         }

    60         #endregion

    61 

    62         #region Properties

    63         public bool Verbose

    64         {

    65             get { return iVerbose; }

    66             set { iVerbose = value; }

    67         }

    68         #endregion

    69 

    70         #region Internal methods

    71         private void DoTrace( string aLine, bool aDiagnostics )

    72         {

    73             if ( aDiagnostics )

    74             {

    75                 System.Diagnostics.Debug.WriteLine( aLine );

    76             }

    77 

    78             // Try to output to file

    79             if ( iStream != null )

    80             {

    81                 try

    82                 {

    83                     iStream.WriteLine( aLine );

    84                 }

    85                 catch ( Exception )

    86                 {

    87                     iStream.Close();

    88                     iStream = null;

    89                 }

    90             }

    91         }

    92         #endregion

    93 

    94         #region DisposableObject

    95         protected override void CleanupManagedResources()

    96         {

    97             try

    98             {

    99                 base.CleanupManagedResources();

   100             }

   101             finally

   102             {

   103                 if ( iStream != null )

   104                 {

   105                     iStream.Close();

   106                 }

   107                 iStream = null;

   108             }

   109         }

   110         #endregion

   111 

   112         #region From ITracer

   113         public void Trace( string aMessage )

   114         {

   115             StringBuilder text = new StringBuilder( aMessage );

   116             if ( iIncludeTimeStamp )

   117             {

   118                 DateTime now = DateTime.Now;

   119                 text.Insert( 0, now.ToLongTimeString() + " - " );

   120             }

   121 

   122             string msg = text.ToString();

   123             System.Diagnostics.Debug.WriteLine( msg );

   124 

   125             if ( iVerbose )

   126             {

   127                 System.Console.WriteLine( msg );

   128                 DoTrace( msg, false );

   129             }

   130         }

   131 

   132         public void Trace( string aFormat, params object[] aParams )

   133         {

   134             string text = string.Format( aFormat, aParams );

   135             Trace( text );

   136         }

   137         #endregion

   138 

   139         #region Data members

   140         private readonly bool iIncludeTimeStamp;

   141         private StreamWriter iStream;

   142         private bool iVerbose = false;

   143         #endregion

   144     }

   145 }