RarArchive.RarArchive

RarArchive(string, RarArchiveLoadOptions)

Initializes a new instance of the RarArchive class and composes an entry list can be extracted from the archive.

public RarArchive(string path, RarArchiveLoadOptions loadOptions = null)

Parameter	Type	Description
path	String	The fully qualified or the relative path to the archive file.
loadOptions	RarArchiveLoadOptions	Options to load existing archive with.

Exceptions

exception	condition
ArgumentNullException	path is null.
SecurityException	The caller does not have the required permission to access.
ArgumentException	The path is empty, contains only white spaces, or contains invalid characters.
UnauthorizedAccessException	Access to file path is denied.
PathTooLongException	The specified path, file name, or both exceed the system-defined maximum length. For example, on Windows-based platforms, paths must be less than 248 characters, and file names must be less than 260 characters.
NotSupportedException	File at path contains a colon (:) in the middle of the string.
FileNotFoundException	The file is not found.
DirectoryNotFoundException	The specified path is invalid, such as being on an unmapped drive.
IOException	The file is already open.

Remarks

This constructor does not decompress any entry. See Open method for decompressing.

Examples

The following example extracts an archive, then decompress first entry to a MemoryStream.

var extracted = new MemoryStream();
using (RarArchive archive = new RarArchive("data.rar"))
{
    using (var decompressed = archive.Entries[0].Open())
    {
        byte[] b = new byte[8192];
        int bytesRead;
        while (0 < (bytesRead = decompressed.Read(b, 0, b.Length)))
            extracted.Write(b, 0, bytesRead);
    }
}

See Also

• class RarArchiveLoadOptions
• class RarArchive
• namespace Aspose.Zip.Rar
• assembly Aspose.Zip

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RarArchive(Stream, RarArchiveLoadOptions)

Initializes a new instance of the RarArchive class and composes an entry list can be extracted from the archive.

public RarArchive(Stream sourceStream, RarArchiveLoadOptions loadOptions = null)

Parameter	Type	Description
sourceStream	Stream	The source of the archive.
loadOptions	RarArchiveLoadOptions	Options to load existing archive with.

Exceptions

exception	condition
ArgumentException	sourceStream is not seekable.
InvalidDataException	Wrong signature for archive. - or - The file is not a RAR archive.

Remarks

This constructor does not decompress any entry. See Open method for decompressing.

Examples

The following example decipher and decompress first entry to a MemoryStream.

var fs = File.OpenRead("encrypted.rar");
var extracted = new MemoryStream();
using (RarArchive archive = new RarArchive(fs, new RarArchiveLoadOptions() { DecryptionPassword = "p@s$" }))
{
    using (var decompressed = archive.Entries[0].Open())
    {
        byte[] b = new byte[8192];
        int bytesRead;
        while (0 < (bytesRead = decompressed.Read(b, 0, b.Length)))
            extracted.Write(b, 0, bytesRead);
    }
}

See Also

• class RarArchiveLoadOptions
• class RarArchive
• namespace Aspose.Zip.Rar
• assembly Aspose.Zip