TraceUtils.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / Diagnostics / TraceUtils.cs / 1 / TraceUtils.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 
using System.Configuration;
using System; 
using System.IO; 
using System.Reflection;
using System.Globalization; 
using System.Collections;
using System.Collections.Specialized;

namespace System.Diagnostics { 
    internal static class TraceUtils {
 
        internal static object GetRuntimeObject(string className, Type baseType, string initializeData) { 
            Object newObject = null;
            Type objectType = null; 

            if (className.Length == 0) {
                throw new ConfigurationErrorsException(SR.GetString(SR.EmptyTypeName_NotAllowed));
            } 

            objectType = Type.GetType(className); 
 
            if (objectType == null) {
                throw new ConfigurationErrorsException(SR.GetString(SR.Could_not_find_type, className)); 
            }

            if (!baseType.IsAssignableFrom(objectType))
                throw new ConfigurationErrorsException(SR.GetString(SR.Incorrect_base_type, className, baseType.FullName)); 

            Exception innerException = null; 
            try { 
                if (String.IsNullOrEmpty(initializeData)) {
                    if (IsOwnedTextWriterTL(objectType)) 
                        throw new ConfigurationErrorsException(SR.GetString(SR.TextWriterTL_DefaultConstructor_NotSupported));

                    // create an object with parameterless constructor
                    ConstructorInfo ctorInfo = objectType.GetConstructor(new Type[] {}); 
                    if (ctorInfo == null)
                        throw new ConfigurationErrorsException(SR.GetString(SR.Could_not_get_constructor, className)); 
                    newObject = ctorInfo.Invoke(new object[] {}); 
                }
                else { 
                    // create an object with a one-string constructor
                    // first look for a string constructor
                    ConstructorInfo ctorInfo = objectType.GetConstructor(new Type[] { typeof(string) });
                    if (ctorInfo != null) { 
                        // Special case to enable specifying relative path to trace file from config for
                        // our own TextWriterTraceListener derivatives. We will prepend it with fullpath 
                        // prefix from config file location 
                        if (IsOwnedTextWriterTL(objectType)) {
                            if ((initializeData[0] != Path.DirectorySeparatorChar) && (initializeData[0] != Path.AltDirectorySeparatorChar) && !Path.IsPathRooted(initializeData)) { 
                                string filePath = DiagnosticsConfiguration.ConfigFilePath;

                                if (!String.IsNullOrEmpty(filePath)) {
                                    string dirPath = Path.GetDirectoryName(filePath); 

                                    if (dirPath != null) 
                                        initializeData = Path.Combine(dirPath, initializeData); 
                                }
                            } 
                        }
                        newObject = ctorInfo.Invoke(new object[] { initializeData });
                    }
                    else { 
                        // now look for another 1 param constructor.
                        ConstructorInfo[] ctorInfos = objectType.GetConstructors(); 
                        if (ctorInfos == null) 
                            throw new ConfigurationErrorsException(SR.GetString(SR.Could_not_get_constructor, className));
                        for (int i=0; i

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK