MobileErrorInfo.cs source code in C# .NET

                        
Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / Mobile / MobileErrorInfo.cs / 1305376 / MobileErrorInfo.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

using System; 
using System.CodeDom.Compiler; 
using System.Collections;
using System.Collections.Specialized; 
using System.Globalization;
using System.Text.RegularExpressions;
using System.Security.Permissions;
 
namespace System.Web.Mobile
{ 
    /* 
     * Mobile Error Info
     * Contains information about an error that occurs in a mobile application. 
     * This information can be used to format the error for the target device.
     *
     *
 

 
 
*/
 
    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
    public class MobileErrorInfo 
    {
        ///  
        public static readonly String ContextKey = "MobileErrorInfo"; 
        private static object _lockObject = new object();
 
        private const String _errorType = "Type";
        private const String _errorDescription = "Description";
        private const String _errorMiscTitle = "MiscTitle";
        private const String _errorMiscText = "MiscText"; 
        private const String _errorFile = "File";
        private const String _errorLineNumber = "LineNumber"; 
        private static Regex[] _searchExpressions = null; 
        private static bool _searchExpressionsBuilt = false;
        private const int _expressionCount = 3; 

        private StringDictionary _dictionary = new StringDictionary();

        internal MobileErrorInfo(Exception e) 
        {
            // Don't want any failure to escape here... 
            try 
            {
                // For some reason, the compile exception lives in the 
                // InnerException.
                HttpCompileException compileException =
                    e.InnerException as HttpCompileException;
 
                if (compileException != null)
                { 
                    this.Type = SR.GetString(SR.MobileErrorInfo_CompilationErrorType); 
                    this.Description = SR.GetString(SR.MobileErrorInfo_CompilationErrorDescription);
                    this.MiscTitle = SR.GetString(SR.MobileErrorInfo_CompilationErrorMiscTitle); 

                    CompilerErrorCollection errors = compileException.Results.Errors;

                    if (errors != null && errors.Count >= 1) 
                    {
                        CompilerError error = errors[0]; 
                        this.LineNumber = error.Line.ToString(CultureInfo.InvariantCulture); 
                        this.File = error.FileName;
                        this.MiscText = error.ErrorNumber + ":" + error.ErrorText; 
                    }
                    else
                    {
                        this.LineNumber = SR.GetString(SR.MobileErrorInfo_Unknown); 
                        this.File = SR.GetString(SR.MobileErrorInfo_Unknown);
                        this.MiscText = SR.GetString(SR.MobileErrorInfo_Unknown); 
                    } 

                    return; 
                }

                HttpParseException parseException = e as HttpParseException;
                if (parseException != null) 
                {
                    this.Type = SR.GetString(SR.MobileErrorInfo_ParserErrorType); 
                    this.Description = SR.GetString(SR.MobileErrorInfo_ParserErrorDescription); 
                    this.MiscTitle = SR.GetString(SR.MobileErrorInfo_ParserErrorMiscTitle);
                    this.LineNumber = parseException.Line.ToString(CultureInfo.InvariantCulture); 
                    this.File = parseException.FileName;
                    this.MiscText = parseException.Message;
                    return;
                } 

                // We try to use the hacky way of parsing an HttpException of an 
                // unknown subclass. 
                HttpException httpException = e as HttpException;
                if (httpException != null && ParseHttpException(httpException)) 
                {
                    return;
                }
 
            }
            catch 
            { 
                // Don't need to do anything here, just continue to base case
                // below. 
            }

            // Default to the most basic if none of the above succeed.
            this.Type = e.GetType().FullName; 
            this.Description = e.Message;
            this.MiscTitle = SR.GetString(SR.MobileErrorInfo_SourceObject); 
            String s = e.StackTrace; 
            if(s != null) {
                int i = s.IndexOf('\r'); 
                if (i != -1)
                {
                    s = s.Substring(0, i);
                } 
                this.MiscText = s;
            } 
        } 

 
        /// 
        public String this[String key]
        {
            get 
            {
                String s = _dictionary[key]; 
                return (s == null) ? String.Empty : s; 
            }
            set 
            {
                _dictionary[key] = value;
            }
        } 

        ///  
        public String Type 
        {
            get 
            {
                return this[_errorType];
            }
            set 
            {
                this[_errorType] = value; 
            } 
        }
 
        /// 
        public String Description
        {
            get 
            {
                return this[_errorDescription]; 
            } 
            set
            { 
                this[_errorDescription] = value;
            }
        }
 
        /// 
        public String MiscTitle 
        { 
            get
            { 
                return this[_errorMiscTitle];
            }
            set
            { 
                this[_errorMiscTitle] = value;
            } 
        } 

        ///  
        public String MiscText
        {
            get
            { 
                return this[_errorMiscText];
            } 
            set 
            {
                this[_errorMiscText] = value; 
            }
        }

        ///  
        public String File
        { 
            get 
            {
                return this[_errorFile]; 
            }
            set
            {
                this[_errorFile] = value; 
            }
        } 
 
        /// 
        public String LineNumber 
        {
            get
            {
                return this[_errorLineNumber]; 
            }
            set 
            { 
                this[_errorLineNumber] = value;
            } 
        }

        // Return true if we succeed
        private bool ParseHttpException(HttpException e) 
        {
            int i; 
            Match match = null; 

            String errorMessage = e.GetHtmlErrorMessage(); 
            if (errorMessage == null)
            {
                return false;
            } 

            // Use regular expressions to scrape the message output 
            // for meaningful data. One problem: Some parts of the 
            // output are optional, and any regular expression that
            // uses the ()? syntax doesn't pick it up. So, we have 
            // to have all the different combinations of expressions,
            // and use each one in order.

            EnsureSearchExpressions(); 
            for (i = 0; i < _expressionCount; i++)
            { 
                match = _searchExpressions[i].Match(errorMessage); 
                if (match.Success)
                { 
                    break;
                }
            }
 
            if (i == _expressionCount)
            { 
                return false; 
            }
 
            this.Type        = TrimAndClean(match.Result("${title}"));
            this.Description = TrimAndClean(match.Result("${description}"));
            if (i <= 1)
            { 
                // These expressions were able to match the miscellaneous
                // title/text section. 
                this.MiscTitle = TrimAndClean(match.Result("${misctitle}")); 
                this.MiscText  = TrimAndClean(match.Result("${misctext}"));
            } 
            if (i == 0)
            {
                // This expression was able to match the file/line #
                // section. 
                this.File        = TrimAndClean(match.Result("${file}"));
                this.LineNumber  = TrimAndClean(match.Result("${linenumber}")); 
            } 

            return true; 
        }

        private static void EnsureSearchExpressions()
        { 
            // Create precompiled search expressions. They're here
            // rather than in static variables, so that we can load 
            // them from resources on demand. But once they're loaded, 
            // they're compiled and always available.
 
            if (!_searchExpressionsBuilt)
            {
                lock(_lockObject)
                { 
                    if (!_searchExpressionsBuilt)
                    { 
                        // 

 



 
                        // Why three similar expressions? See ParseHttpException above.
 
                        _searchExpressions = new Regex[_expressionCount]; 

                        _searchExpressions[0] = new Regex( 
                            ".*?" +
                                ": (?'description'.*?)
.*?" +
                                "((?'misctitle'.*?): (?'misctext'.*?)(?'file'.*?)   Line:(?'linenumber'.*?)(?'title'.*?).*?" +
                                ": (?'description'.*?)
.*?" +
                                "((?'misctitle'.*?): (?'misctext'.*?)(?'title'.*?).*?: (?'description'.*?)
",
                            RegexOptions.Singleline |
                            RegexOptions.IgnoreCase | 
                            RegexOptions.CultureInvariant |
                                RegexOptions.Compiled); 
 
                        _searchExpressionsBuilt = true;
                    } 
                }
            }
        }
 
        private static String TrimAndClean(String s)
        { 
            return s.Replace("\r\n", " ").Trim(); 
        }
    } 
}



// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

using System; 
using System.CodeDom.Compiler; 
using System.Collections;
using System.Collections.Specialized; 
using System.Globalization;
using System.Text.RegularExpressions;
using System.Security.Permissions;
 
namespace System.Web.Mobile
{ 
    /* 
     * Mobile Error Info
     * Contains information about an error that occurs in a mobile application. 
     * This information can be used to format the error for the target device.
     *
     *
 

 
 
*/
 
    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
    public class MobileErrorInfo 
    {
        ///  
        public static readonly String ContextKey = "MobileErrorInfo"; 
        private static object _lockObject = new object();
 
        private const String _errorType = "Type";
        private const String _errorDescription = "Description";
        private const String _errorMiscTitle = "MiscTitle";
        private const String _errorMiscText = "MiscText"; 
        private const String _errorFile = "File";
        private const String _errorLineNumber = "LineNumber"; 
        private static Regex[] _searchExpressions = null; 
        private static bool _searchExpressionsBuilt = false;
        private const int _expressionCount = 3; 

        private StringDictionary _dictionary = new StringDictionary();

        internal MobileErrorInfo(Exception e) 
        {
            // Don't want any failure to escape here... 
            try 
            {
                // For some reason, the compile exception lives in the 
                // InnerException.
                HttpCompileException compileException =
                    e.InnerException as HttpCompileException;
 
                if (compileException != null)
                { 
                    this.Type = SR.GetString(SR.MobileErrorInfo_CompilationErrorType); 
                    this.Description = SR.GetString(SR.MobileErrorInfo_CompilationErrorDescription);
                    this.MiscTitle = SR.GetString(SR.MobileErrorInfo_CompilationErrorMiscTitle); 

                    CompilerErrorCollection errors = compileException.Results.Errors;

                    if (errors != null && errors.Count >= 1) 
                    {
                        CompilerError error = errors[0]; 
                        this.LineNumber = error.Line.ToString(CultureInfo.InvariantCulture); 
                        this.File = error.FileName;
                        this.MiscText = error.ErrorNumber + ":" + error.ErrorText; 
                    }
                    else
                    {
                        this.LineNumber = SR.GetString(SR.MobileErrorInfo_Unknown); 
                        this.File = SR.GetString(SR.MobileErrorInfo_Unknown);
                        this.MiscText = SR.GetString(SR.MobileErrorInfo_Unknown); 
                    } 

                    return; 
                }

                HttpParseException parseException = e as HttpParseException;
                if (parseException != null) 
                {
                    this.Type = SR.GetString(SR.MobileErrorInfo_ParserErrorType); 
                    this.Description = SR.GetString(SR.MobileErrorInfo_ParserErrorDescription); 
                    this.MiscTitle = SR.GetString(SR.MobileErrorInfo_ParserErrorMiscTitle);
                    this.LineNumber = parseException.Line.ToString(CultureInfo.InvariantCulture); 
                    this.File = parseException.FileName;
                    this.MiscText = parseException.Message;
                    return;
                } 

                // We try to use the hacky way of parsing an HttpException of an 
                // unknown subclass. 
                HttpException httpException = e as HttpException;
                if (httpException != null && ParseHttpException(httpException)) 
                {
                    return;
                }
 
            }
            catch 
            { 
                // Don't need to do anything here, just continue to base case
                // below. 
            }

            // Default to the most basic if none of the above succeed.
            this.Type = e.GetType().FullName; 
            this.Description = e.Message;
            this.MiscTitle = SR.GetString(SR.MobileErrorInfo_SourceObject); 
            String s = e.StackTrace; 
            if(s != null) {
                int i = s.IndexOf('\r'); 
                if (i != -1)
                {
                    s = s.Substring(0, i);
                } 
                this.MiscText = s;
            } 
        } 

 
        /// 
        public String this[String key]
        {
            get 
            {
                String s = _dictionary[key]; 
                return (s == null) ? String.Empty : s; 
            }
            set 
            {
                _dictionary[key] = value;
            }
        } 

        ///  
        public String Type 
        {
            get 
            {
                return this[_errorType];
            }
            set 
            {
                this[_errorType] = value; 
            } 
        }
 
        /// 
        public String Description
        {
            get 
            {
                return this[_errorDescription]; 
            } 
            set
            { 
                this[_errorDescription] = value;
            }
        }
 
        /// 
        public String MiscTitle 
        { 
            get
            { 
                return this[_errorMiscTitle];
            }
            set
            { 
                this[_errorMiscTitle] = value;
            } 
        } 

        ///  
        public String MiscText
        {
            get
            { 
                return this[_errorMiscText];
            } 
            set 
            {
                this[_errorMiscText] = value; 
            }
        }

        ///  
        public String File
        { 
            get 
            {
                return this[_errorFile]; 
            }
            set
            {
                this[_errorFile] = value; 
            }
        } 
 
        /// 
        public String LineNumber 
        {
            get
            {
                return this[_errorLineNumber]; 
            }
            set 
            { 
                this[_errorLineNumber] = value;
            } 
        }

        // Return true if we succeed
        private bool ParseHttpException(HttpException e) 
        {
            int i; 
            Match match = null; 

            String errorMessage = e.GetHtmlErrorMessage(); 
            if (errorMessage == null)
            {
                return false;
            } 

            // Use regular expressions to scrape the message output 
            // for meaningful data. One problem: Some parts of the 
            // output are optional, and any regular expression that
            // uses the ()? syntax doesn't pick it up. So, we have 
            // to have all the different combinations of expressions,
            // and use each one in order.

            EnsureSearchExpressions(); 
            for (i = 0; i < _expressionCount; i++)
            { 
                match = _searchExpressions[i].Match(errorMessage); 
                if (match.Success)
                { 
                    break;
                }
            }
 
            if (i == _expressionCount)
            { 
                return false; 
            }
 
            this.Type        = TrimAndClean(match.Result("${title}"));
            this.Description = TrimAndClean(match.Result("${description}"));
            if (i <= 1)
            { 
                // These expressions were able to match the miscellaneous
                // title/text section. 
                this.MiscTitle = TrimAndClean(match.Result("${misctitle}")); 
                this.MiscText  = TrimAndClean(match.Result("${misctext}"));
            } 
            if (i == 0)
            {
                // This expression was able to match the file/line #
                // section. 
                this.File        = TrimAndClean(match.Result("${file}"));
                this.LineNumber  = TrimAndClean(match.Result("${linenumber}")); 
            } 

            return true; 
        }

        private static void EnsureSearchExpressions()
        { 
            // Create precompiled search expressions. They're here
            // rather than in static variables, so that we can load 
            // them from resources on demand. But once they're loaded, 
            // they're compiled and always available.
 
            if (!_searchExpressionsBuilt)
            {
                lock(_lockObject)
                { 
                    if (!_searchExpressionsBuilt)
                    { 
                        // 

 



 
                        // Why three similar expressions? See ParseHttpException above.
 
                        _searchExpressions = new Regex[_expressionCount]; 

                        _searchExpressions[0] = new Regex( 
                            ".*?" +
                                ": (?'description'.*?)
.*?" +
                                "((?'misctitle'.*?): (?'misctext'.*?)(?'file'.*?)   Line:(?'linenumber'.*?)(?'title'.*?).*?" +
                                ": (?'description'.*?)
.*?" +
                                "((?'misctitle'.*?): (?'misctext'.*?)(?'title'.*?).*?: (?'description'.*?)
",
                            RegexOptions.Singleline |
                            RegexOptions.IgnoreCase | 
                            RegexOptions.CultureInvariant |
                                RegexOptions.Compiled); 
 
                        _searchExpressionsBuilt = true;
                    } 
                }
            }
        }
 
        private static String TrimAndClean(String s)
        { 
            return s.Replace("\r\n", " ").Trim(); 
        }
    } 
}



// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

                        

                        

                        
                        

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