/// <summary>
/// Builds the ExceptionSettings and PublisherSettings structures based on the configuration file.
/// </summary>
/// <param name="parent">Composed from the configuration settings in a corresponding parent configuration section.</param>
/// <param name="configContext">Provides access to the virtual path for which the configuration section handler computes configuration values. Normally this parameter is reserved and is null.</param>
/// <param name="section">The XML node that contains the configuration information to be handled. section provides direct access to the XML contents of the configuration section.</param>
/// <returns>The ExceptionSettings struct built from the configuration settings.</returns>
public object Create(object parent, object configContext, XmlNode section)
{
try
{
ExceptionSettings settings = new ExceptionSettings();
// Exit if there are no configuration settings.
if (section == null)
{
return(settings);
}
XmlNode currentAttribute;
XmlAttributeCollection nodeAttributes = section.Attributes;
// Get the mode attribute.
currentAttribute = nodeAttributes.RemoveNamedItem(EXCEPTIONMANAGEMENT_MODE);
if (currentAttribute != null && currentAttribute.Value.ToUpper(CultureInfo.InvariantCulture) == "OFF")
{
settings.Mode = ExceptionMode.Off;
}
#region Loop through the publisher components and load them into the ExceptionSettings
// Loop through the publisher components and load them into the ExceptionSettings.
PublisherSettings publisherSettings;
foreach (XmlNode node in section.ChildNodes)
{
if (node.Name == PUBLISHER_NODENAME)
{
// Initialize a new PublisherSettings.
publisherSettings = new PublisherSettings();
// Get a collection of all the attributes.
nodeAttributes = node.Attributes;
#region Remove the known attributes and load the struct values
// Remove the mode attribute from the node and set its value in PublisherSettings.
currentAttribute = nodeAttributes.RemoveNamedItem(PUBLISHER_MODE);
if (currentAttribute != null && currentAttribute.Value.ToUpper(CultureInfo.InvariantCulture) == "OFF")
{
publisherSettings.Mode = PublisherMode.Off;
}
// Remove the assembly attribute from the node and set its value in PublisherSettings.
currentAttribute = nodeAttributes.RemoveNamedItem(PUBLISHER_ASSEMBLY);
if (currentAttribute != null)
{
publisherSettings.AssemblyName = currentAttribute.Value;
}
// Remove the type attribute from the node and set its value in PublisherSettings.
currentAttribute = nodeAttributes.RemoveNamedItem(PUBLISHER_TYPE);
if (currentAttribute != null)
{
publisherSettings.TypeName = currentAttribute.Value;
}
// Remove the exceptionFormat attribute from the node and set its value in PublisherSettings.
currentAttribute = nodeAttributes.RemoveNamedItem(PUBLISHER_EXCEPTIONFORMAT);
if (currentAttribute != null && currentAttribute.Value.ToUpper(CultureInfo.InvariantCulture) == "XML")
{
publisherSettings.ExceptionFormat = PublisherFormat.Xml;
}
// Remove the include attribute from the node and set its value in PublisherSettings.
currentAttribute = nodeAttributes.RemoveNamedItem(PUBLISHER_INCLUDETYPES);
if (currentAttribute != null)
{
publisherSettings.IncludeTypes = LoadTypeFilter(currentAttribute.Value.Split(EXCEPTION_TYPE_DELIMITER));
}
// Remove the exclude attribute from the node and set its value in PublisherSettings.
currentAttribute = nodeAttributes.RemoveNamedItem(PUBLISHER_EXCLUDETYPES);
if (currentAttribute != null)
{
publisherSettings.ExcludeTypes = LoadTypeFilter(currentAttribute.Value.Split(EXCEPTION_TYPE_DELIMITER));
}
#endregion
#region Loop through any other attributes and load them into OtherAttributes
// Loop through any other attributes and load them into OtherAttributes.
for (int i = 0; i < nodeAttributes.Count; i++)
{
publisherSettings.AddOtherAttributes(nodeAttributes.Item(i).Name, nodeAttributes.Item(i).Value);
}
#endregion
// Add the PublisherSettings to the publishers collection.
settings.Publishers.Add(publisherSettings);
}
}
// Remove extra allocated space of the ArrayList of Publishers.
settings.Publishers.TrimToSize();
#endregion
// Return the ExceptionSettings loaded with the values from the config file.
return(settings);
}
catch (Exception exc)
{
throw new ConfigurationException(resourceManager.GetString("RES_EXCEPTION_LOADING_CONFIGURATION"), exc, section);
}
}
/// <summary>
/// Static method to publish the exception information and any additional information.
/// </summary>
/// <param name="exception">The exception object whose information should be published.</param>
/// <param name="additionalInfo">A collection of additional data that should be published along with the exception information.</param>
public static void Publish(Exception exception, NameValueCollection additionalInfo)
{
try
{
#region Load the AdditionalInformation Collection with environment data.
// Create the Additional Information collection if it does not exist.
if (null == additionalInfo)
{
additionalInfo = new NameValueCollection();
}
// Add environment information to the information collection.
try
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".MachineName", Environment.MachineName);
}
catch (SecurityException)
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".MachineName", resourceManager.GetString("RES_EXCEPTIONMANAGEMENT_PERMISSION_DENIED"));
}
catch
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".MachineName", resourceManager.GetString("RES_EXCEPTIONMANAGEMENT_INFOACCESS_EXCEPTION"));
}
try
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".TimeStamp", DateTime.Now.ToString());
}
catch (SecurityException)
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".TimeStamp", resourceManager.GetString("RES_EXCEPTIONMANAGEMENT_PERMISSION_DENIED"));
}
catch
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".TimeStamp", resourceManager.GetString("RES_EXCEPTIONMANAGEMENT_INFOACCESS_EXCEPTION"));
}
try
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".FullName", Assembly.GetExecutingAssembly().FullName);
}
catch (SecurityException)
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".FullName", resourceManager.GetString("RES_EXCEPTIONMANAGEMENT_PERMISSION_DENIED"));
}
catch
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".FullName", resourceManager.GetString("RES_EXCEPTIONMANAGEMENT_INFOACCESS_EXCEPTION"));
}
try
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".AppDomainName", AppDomain.CurrentDomain.FriendlyName);
}
catch (SecurityException)
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".AppDomainName", resourceManager.GetString("RES_EXCEPTIONMANAGEMENT_PERMISSION_DENIED"));
}
catch
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".AppDomainName", resourceManager.GetString("RES_EXCEPTIONMANAGEMENT_INFOACCESS_EXCEPTION"));
}
try
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".ThreadIdentity", Thread.CurrentPrincipal.Identity.Name);
}
catch (SecurityException)
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".ThreadIdentity", resourceManager.GetString("RES_EXCEPTIONMANAGEMENT_PERMISSION_DENIED"));
}
catch
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".ThreadIdentity", resourceManager.GetString("RES_EXCEPTIONMANAGEMENT_INFOACCESS_EXCEPTION"));
}
try
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".WindowsIdentity", WindowsIdentity.GetCurrent().Name);
}
catch (SecurityException)
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".WindowsIdentity", resourceManager.GetString("RES_EXCEPTIONMANAGEMENT_PERMISSION_DENIED"));
}
catch
{
additionalInfo.Add(EXCEPTIONMANAGER_NAME + ".WindowsIdentity", resourceManager.GetString("RES_EXCEPTIONMANAGEMENT_INFOACCESS_EXCEPTION"));
}
#endregion
#region Publish the exception based on Configuration Settings
// Check for any settings in config file.
if (ConfigurationSettings.GetConfig(EXCEPTIONMANAGEMENT_CONFIG_SECTION) == null)
{
// Publish the exception and additional information to the default publisher if no settings are present.
PublishToDefaultPublisher(exception, additionalInfo);
}
else
{
// Get settings from config file
ExceptionSettings config = (ExceptionSettings)ConfigurationSettings.GetConfig(EXCEPTIONMANAGEMENT_CONFIG_SECTION);
// If the mode is not equal to "off" call the Publishers, otherwise do nothing.
if (config.Mode == ExceptionMode.On)
{
// If no publishers are specified, use the default publisher.
if (config.Publishers == null || config.Publishers.Count == 0)
{
// Publish the exception and additional information to the default publisher if no mode is specified.
PublishToDefaultPublisher(exception, additionalInfo);
}
else
{
#region Iterate through the publishers
// Loop through the publisher components specified in the config file.
foreach (PublisherSettings Publisher in config.Publishers)
{
// Call the Publisher component specified in the config file.
try
{
// Verify the publishers mode is not set to "OFF".
// This publisher will be called even if the mode is not specified.
// The mode must explicitly be set to OFF to not be called.
if (Publisher.Mode == PublisherMode.On)
{
if (exception == null || !Publisher.IsExceptionFiltered(exception.GetType()))
{
// Publish the exception and any additional information
PublishToCustomPublisher(exception, additionalInfo, Publisher);
}
}
}
// Catches any failure to call a custom publisher.
catch (Exception e)
{
// Publish the exception thrown when trying to call the custom publisher.
PublishInternalException(e, null);
// Publish the original exception and additional information to the default publisher.
PublishToDefaultPublisher(exception, additionalInfo);
} // End Catch block.
} // End foreach loop through publishers.
#endregion
} // End else statement when custom publishers are in the config settings.
} // End else statement where config settings are not set to "OFF"
} // End else statement when config settings are provided.
#endregion
}
catch (Exception e)
{
// Publish the exception thrown within the ExceptionManager.
PublishInternalException(e, null);
// Publish the original exception and additional information to the default publisher.
PublishToDefaultPublisher(exception, additionalInfo);
}
} // End Publish(Exception exception, NameValueCollection AdditionalInfo)
