public void TestFilterEvaluationFailure()
{
FilterCondition parentDirectoryCondition = new FilterCondition(FileMetaAttributesStringConstants.FileMetaAttributeParentDirectory, FileFilterOperator.Equals,
@"C:\Projects\Classifier\findfilesutil\Trunk\src\KMPAlgorithmTestRunner\KMPAlgorithmTestRunner\TestData", FilterAttributeDataType.String);
FilterCondition fileExtensionFilterCondition = new FilterCondition(FileMetaAttributesStringConstants.FileMetaAttributeFileExtension, FileFilterOperator.Equals, "xls", FilterAttributeDataType.String);
List<FilterCondition> filterConditions = new List<FilterCondition>();
filterConditions.Add(parentDirectoryCondition);
filterConditions.Add(fileExtensionFilterCondition);
//Get information about a test file and then create a dummy filter condition based on the
//file attribites of the test file
FileInfo fileInfo = new FileInfo(@"C:\Projects\Classifier\findfilesutil\Trunk\src\KMPAlgorithmTestRunner\KMPAlgorithmTestRunner\TestData\Microsoft.txt");
FilterCondition fileCreateCondition = new FilterCondition(FileMetaAttributesStringConstants.FileMetaAttributeCreationTime, FileFilterOperator.Equals, fileInfo.CreationTime.Ticks.ToString(), FilterAttributeDataType.Long);
FileMetaAttributes fileAttributes = new FileMetaAttributes(fileInfo.DirectoryName, fileInfo.CreationTime.Ticks, fileInfo.LastWriteTime.Ticks, fileInfo.Length, fileInfo.Extension, @"HORNET\\prahaladd");
filterConditions.Add(fileCreateCondition);
FileMetaAttributeFilter fileFilter = new FileMetaAttributeFilter(filterConditions);
FileFilterEvaluator filterEvaluator = new FileFilterEvaluator(fileFilter, fileAttributes);
bool result = filterEvaluator.EvaluateFilter();
Assert.IsFalse(result);
}
public static FileMetaAttributes GetFileMetaAttributes(string fileName)
{
long fileCreationDate = File.GetCreationTime(fileName).Ticks;
long fileModificationDate = File.GetLastAccessTime(fileName).Ticks;
FileInfo fileInfo = new FileInfo(fileName);
long fileSize = fileInfo.Length;
string fileExtension = fileInfo.Extension;
//obtain the owner of the file.
FileSecurity fileSecurity = File.GetAccessControl(fileName);
Type securityPrincipalType = Type.GetType("System.Security.Principal.SecurityIdentifier");
string fileOwner = fileSecurity.GetOwner(securityPrincipalType).Value;
//create the file meta attributes
FileMetaAttributes metaAttributes = new FileMetaAttributes(GetParentDirectoryForFile(fileName),
fileCreationDate, fileModificationDate,fileSize,fileExtension,
fileOwner);
return metaAttributes;
}
public static bool EvaluateMetaAttributeFilters(FileMetaAttributes fileAttributes, FileMetaAttributeFilter filter)
{
FileFilterEvaluator filterEvaluator = new FileFilterEvaluator(filter,fileAttributes);
return filterEvaluator.EvaluateFilter();
}
public IndexRecord(string fileName, List<Int32> occurencePositions, FileMetaAttributes fileMetaAttributes)
{
_fileName = fileName;
_occurencePositions = occurencePositions;
_fileMetaAttributes = fileMetaAttributes;
}
/// <summary>
/// Creates an instance of a file filter evaluator
/// </summary>
/// <param name="fileFilter">The file filter to be evaluated</param>
/// <param name="fileAttributes">The attributes of the file against which the filter will be evaluated</param>
public FileFilterEvaluator(FileMetaAttributeFilter fileFilter, FileMetaAttributes fileAttributes)
{
_fileFilter = fileFilter;
_fileAttributes = fileAttributes;
}
