/// <summary>
/// Process the ResourceStaticAnalysisRulesConfig to create the required filtering for the RuleContainer.
/// </summary>
/// <param name="rulesConfig">ResourceStaticAnalysisRulesConfig object to process.</param>
/// <param name="ruleContainer">RuleContainer object to update with the filtering.</param>
protected void ProcessRuleConfig(ResourceStaticAnalysisRulesConfig rulesConfig, RuleContainer ruleContainer)
{
if (rulesConfig == null || ruleContainer == null)
{
return;
}
ruleContainer.FilteringExpressionMethod = this.CreateFilteringExpression(rulesConfig.Cultures, rulesConfig.Projects, rulesConfig.FilteringExpressions);
List <RuleFilteringInfo> ruleFilters = new List <RuleFilteringInfo>();
foreach (ResourceStaticAnalysisRulesConfig.Rule rule in rulesConfig.Rules)
{
if (rule.Enabled)
{
RuleFilteringInfo ruleFilteringInfo = this.CreateRuleFiltering(rule);
if (ruleFilteringInfo != null)
{
ruleFilters.Add(ruleFilteringInfo);
}
}
else
{
ruleContainer.DisabledRules.Add(rule.Type);
}
}
if (ruleFilters.Any())
{
ruleContainer.PerRuleFilteringExpressionMethods = ruleFilters;
}
if (!String.IsNullOrWhiteSpace(rulesConfig.WorkingFolder))
{
String workingFolder = Environment.ExpandEnvironmentVariables(rulesConfig.WorkingFolder);
if (!Path.IsPathRooted(workingFolder) && !String.IsNullOrWhiteSpace(rulesConfig.PathToConfigFile))
{
workingFolder = Path.Combine(Path.GetDirectoryName(rulesConfig.PathToConfigFile), workingFolder);
}
ruleContainer.WorkingFolder = Path.GetFullPath(workingFolder);
}
}
/// <summary>
/// Load the configuration from the specified file path.
/// </summary>
/// <param name="filePath">Path to the file containing the configuration.</param>
/// <returns>ResourceStaticAnalysisRulesConfig object.</returns>
public static ResourceStaticAnalysisRulesConfig Load(String filePath)
{
if (String.IsNullOrWhiteSpace(filePath))
{
throw new ArgumentNullException("filePath", "FilePath can't be null!");
}
if (!File.Exists(filePath))
{
throw new FileNotFoundException("Unable to find the specified file.", filePath);
}
using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
ResourceStaticAnalysisRulesConfig config = Load(XmlReader.Create(fs));
if (config != null)
{
config.PathToConfigFile = filePath;
}
return(config);
}
}
/// <summary>
/// Gets a Collection of Rule assemblies and their corresponding configuration file within the supplied folders.
/// </summary>
/// <param name="folders">Collection of folders to look for rule assemblies and configuration files in.</param>
/// <returns>Dictionary containing the path to the Rule assembly to run and it's corresponding configuation.</returns>
public Dictionary <String, ResourceStaticAnalysisRulesConfig> GetRuleConfiguration <T>(IEnumerable <String> folders) where T : Rule
{
Dictionary <String, ResourceStaticAnalysisRulesConfig> ruleConfiguration = new Dictionary <String, ResourceStaticAnalysisRulesConfig>(StringComparer.OrdinalIgnoreCase);
// Ensure we have expanded any Environment Variables in the folders.
folders = folders.Select(f => Path.GetFullPath(Environment.ExpandEnvironmentVariables(f)));
// First check for the existence of config files in the specified folders.
List <String> configFiles = new List <String>();
foreach (String folder in folders)
{
try
{
configFiles.AddRange(Directory.EnumerateFiles(folder, String.Format("*{0}", ResourceStaticAnalysisRulesConfig.ConfigExtension),
SearchOption.TopDirectoryOnly));
}
catch (DirectoryNotFoundException ex)
{
Trace.TraceError(ex.Message);
}
catch (Exception ex)
{
Trace.TraceError(ex.Message);
}
}
// Load each config and determine if the path to the rule assembly specified in the config
// is valid and if the assembly contains valid rules.
foreach (String configFilePath in configFiles)
{
ResourceStaticAnalysisRulesConfig ruleConfig = ResourceStaticAnalysisRulesConfig.Load(configFilePath);
if (ruleConfig != null && !String.IsNullOrWhiteSpace(ruleConfig.Path))
{
String ruleAssemblyPath = ruleConfig.GetPathToAssembly();
ruleAssemblyPath = System.IO.Path.GetFullPath(Environment.ExpandEnvironmentVariables(ruleAssemblyPath));
ResourceStaticAnalysisRulesConfig existingConfig;
if (ruleConfiguration.TryGetValue(ruleAssemblyPath, out existingConfig))
{
Trace.TraceInformation(
"The configuration file '{0}' for assembly '{1}' will not be used because a previous configuration file " +
"'{2}' for that assembly has already been loaded.", ruleConfig.PathToConfigFile,
ruleAssemblyPath, existingConfig.PathToConfigFile);
continue;
}
List <ResourceStaticAnalysisRulesConfig.Rule> rulesCollection;
if (this.IsValidRuleAssembly <T>(ruleAssemblyPath, out rulesCollection))
{
foreach (ResourceStaticAnalysisRulesConfig.Rule rule in rulesCollection)
{
ResourceStaticAnalysisRulesConfig.Rule existingRule = ruleConfig.Rules.SingleOrDefault(r => rule.Type == r.Type);
if (existingRule != null)
{
existingRule.Name = rule.Name;
existingRule.Description = rule.Description;
existingRule.Category = rule.Category;
}
else
{
ruleConfig.Rules.Add(rule);
}
}
ruleConfiguration.Add(ruleAssemblyPath, ruleConfig);
Trace.TraceInformation(
"Resource Static Analysis Rule Assembly '{0}' with configuration File '{1}' has been included in the in the collection of rule containers to execute.",
ruleAssemblyPath, ruleConfig.PathToConfigFile);
}
else
{
Trace.TraceInformation("The assembly '{0}' specified in the configuration file '{1}' is not a valid Resource Static Analysis rule assembly.",
ruleAssemblyPath, ruleConfig.PathToConfigFile);
}
}
}
// Get all the dll files under the required folders and if we don't have a config
// that specifies the dll - and if it is a valid rule assembly, use it.
ICollection <String> dllFilesAlreadyAdded = ruleConfiguration.Keys;
List <String> dllFiles = new List <String>();
foreach (String folder in folders)
{
try
{
dllFiles.AddRange(Directory.EnumerateFiles(folder, "*.dll", SearchOption.TopDirectoryOnly).Where(
file => !dllFilesAlreadyAdded.Contains(file, StringComparer.OrdinalIgnoreCase)));
}
catch (DirectoryNotFoundException ex)
{
Trace.TraceInformation(ex.Message);
}
catch (Exception ex)
{
Trace.TraceInformation(ex.Message);
}
}
foreach (String potentialFile in dllFiles)
{
List <ResourceStaticAnalysisRulesConfig.Rule> rulesCollection;
if (this.IsValidRuleAssembly <T>(potentialFile, out rulesCollection))
{
ruleConfiguration.Add(potentialFile, new ResourceStaticAnalysisRulesConfig(potentialFile)
{
Rules = rulesCollection
});
Trace.TraceInformation(
"Resource Static Analysis Rule Assembly '{0}' has been included without any additional configuration.",
potentialFile);
}
}
return(ruleConfiguration);
}
