Class FileHelper

Helper functions associated with file operations in .net core

Inheritance

System.Object

FileHelper

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: LemonEdge.Utils

Assembly: Utils.dll

Syntax

public static class FileHelper

Fields

LEMONEDGE_SIGNATURE_HASH

The signature of any library signed by LemonEdge. Used for verifying libraries.

Declaration

public const string LEMONEDGE_SIGNATURE_HASH = "7E778F27328B33C7B29E990277F4FAE522FBDB61"

Field Value

Type	Description
System.String

Methods

EnsurePathExists(String)

Given a specified full file path, this ensures the path exists by creating the folders in the path as required

Declaration

public static void EnsurePathExists(string filePathOrDirectory)

Parameters

Type	Name	Description
System.String	filePathOrDirectory	The full path to a fil or directory

GetFileData(String)

Returns the byte array data of the specified fulle path fileName

Declaration

public static byte[] GetFileData(string fileName)

Parameters

Type	Name	Description
System.String	fileName	The full path to a file to return the byte data of

Returns

Type	Description
System.Byte[]	The raw byte array of the specified file

GetFileTextWriter(String, Boolean)

Returns a System.IO.TextWriter for the given fileName

Declaration

public static TextWriter GetFileTextWriter(string fileName, bool autoFlush)

Parameters

Type	Name	Description
System.String	fileName	The full path to a file to create a text writer for
System.Boolean	autoFlush	Indicates if the writer should auto flush changes to the underlying file

Returns

Type	Description
System.IO.TextWriter	A System.IO.TextWriter for the given fileName

GetRandomFileName()

Returns a random valid file name

Declaration

public static string GetRandomFileName()

Returns

Type	Description
System.String	A random valid file name

GetTempDirectory()

Returns a valid temp directory

Declaration

public static string GetTempDirectory()

Returns

Type	Description
System.String	A valid temp directory

GetTempFileName()

Returns a valid temporary file name

Declaration

public static string GetTempFileName()

Returns

Type	Description
System.String	A valid temporary file name

GetTextFromFile(String, Encoding)

Return the entire text content of the specified full path fileName using an optional encoding

Declaration

public static string GetTextFromFile(string fileName, Encoding encoding = null)

Parameters

Type	Name	Description
System.String	fileName	The full path of the file to return the text contents of
System.Text.Encoding	encoding	An optional encoding to use

Returns

Type	Description
System.String	The entire text contents of the specified file

VerifyLemonEdgeSignedFile(FileInfo, Boolean)

Verifies that the provided file has been signed by a certificate owned by LemonEdge

Declaration

public static bool VerifyLemonEdgeSignedFile(this FileInfo file, bool throwError = false)

Parameters

Type	Name	Description
System.IO.FileInfo	file	The file to verify if it has been signed by a LemonEdge certificate
System.Boolean	throwError

Returns

Type	Description
System.Boolean	True if the file has been signed by a LemonEdge certificate

WriteFileData(String, Byte[])

Writes the specified byte array data to the specified full path fileName

Declaration

public static void WriteFileData(string fileName, byte[] data)

Parameters

Type	Name	Description
System.String	fileName	The full path name of the file to write data to
System.Byte[]	data	The data to be writeen to the file

WriteTextToFile(String, String, Encoding)

Writes the specified contents text to the specified full path fileName using an optional encoding

Declaration

public static void WriteTextToFile(string contents, string fileName, Encoding encoding = null)

Parameters

Type	Name	Description
System.String	contents	The text to write to the file
System.String	fileName	The full path to the file to write the specified text to
System.Text.Encoding	encoding	An optional encoding to use