/// <summary>
/// Get all the entries.
/// </summary>
/// <param name="zipArchive">The archived zip stream to get data from.</param>
/// <returns>The archive entry collection.</returns>
public List <ArchiveEntry> GetEntries(Stream zipArchive)
{
List <ArchiveEntry> archiveEntries = new List <ArchiveEntry>();
// Open the archive.
using (ZipArchive archive = new ZipArchive(zipArchive, ZipArchiveMode.Read, true))
{
// For each entry.
foreach (ZipArchiveEntry entry in archive.Entries)
{
// Create a new archive entry.
ArchiveEntry archiveEntry = new ArchiveEntry();
// Get the entry details.
archiveEntry.Name = entry.Name;
archiveEntry.Length = entry.Length;
archiveEntry.FullName = entry.FullName;
archiveEntry.LastWriteTime = entry.LastWriteTime;
archiveEntry.CompressionLength = entry.CompressedLength;
// Get the entry stream.
archiveEntry.Stream = entry.Open();
// Add the entry.
archiveEntries.Add(archiveEntry);
}
}
// Return the archive streams.
return(archiveEntries);
}
/// <summary>
/// Get the entry.
/// </summary>
/// <param name="zipArchive">The archived zip stream to get data from.</param>
/// <param name="entryName">The entry name to search for.</param>
/// <returns>The archive entry.</returns>
public ArchiveEntry GetEntry(Stream zipArchive, string entryName)
{
ArchiveEntry archiveEntry = new ArchiveEntry();
// Open the archive.
using (ZipArchive archive = new ZipArchive(zipArchive, ZipArchiveMode.Read, true))
{
// For each entry.
foreach (ZipArchiveEntry entry in archive.Entries)
{
// If the entry has been found.
if (entry.FullName.ToLower() == entryName.ToLower())
{
// Get the entry details.
archiveEntry.Name = entry.Name;
archiveEntry.Length = entry.Length;
archiveEntry.FullName = entry.FullName;
archiveEntry.LastWriteTime = entry.LastWriteTime;
archiveEntry.CompressionLength = entry.CompressedLength;
// Get the entry stream.
archiveEntry.Stream = entry.Open();
break;
}
}
}
// Return the archive stream.
return(archiveEntry);
}
/// <summary>
/// Get the entries.
/// </summary>
/// <param name="zipArchive">The archived zip stream to get data from.</param>
/// <param name="entryNames">The entry names to search for.</param>
/// <returns>The archive entry collection.</returns>
public List <ArchiveEntry> GetEntries(Stream zipArchive, string[] entryNames)
{
List <ArchiveEntry> archiveEntries = new List <ArchiveEntry>();
// Open the archive.
using (ZipArchive archive = new ZipArchive(zipArchive, ZipArchiveMode.Read, true))
{
// For each entry to find.
foreach (string name in entryNames)
{
// For each entry.
foreach (ZipArchiveEntry entry in archive.Entries)
{
// If the entry has been found.
if (entry.FullName.ToLower() == name.ToLower())
{
// Create a new archive entry.
ArchiveEntry archiveEntry = new ArchiveEntry();
// Get the entry details.
archiveEntry.Name = entry.Name;
archiveEntry.Length = entry.Length;
archiveEntry.FullName = entry.FullName;
archiveEntry.LastWriteTime = entry.LastWriteTime;
archiveEntry.CompressionLength = entry.CompressedLength;
// Get the entry stream.
archiveEntry.Stream = entry.Open();
// Add the entry.
archiveEntries.Add(archiveEntry);
break;
}
}
}
}
// Return the archive streams.
return(archiveEntries);
}
/// <summary>
/// Unzips the archive entry to the specified location.
/// </summary>
/// <param name="archiveEntry">The archive entry.</param>
/// <param name="unZipDirectorPath">The directory where to un-zip the archive entry.</param>
public static void Decompress(ArchiveEntry archiveEntry, string unZipDirectorPath)
{
// Get the directory path.
string directory = Path.GetDirectoryName(unZipDirectorPath).TrimEnd('\\') + "\\";
// Create the relative directory if
// it does not exist
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
// Get the stream.
using (Stream stream = archiveEntry.Stream)
{
// Create a new file stream.
using (FileStream writer = new FileStream(directory + archiveEntry.FullName, FileMode.Create, FileAccess.Write))
{
// Write the entry data to the file.
stream.CopyTo(writer);
}
}
}
