public static PluginPackage FromArchive(ZipFile archive)
{
var package = (PluginPackage)null;
var contentsEntry = archive.FirstOrDefault(file => file.FileName == "contents.xml");
if (contentsEntry == null)
throw new FileNotFoundException("'contents.xml' is missing!", "contents.xml");
using (var stream = contentsEntry.ToStream())
{
var contents = PluginPackageContentsXml.FromStream(stream);
package = new PluginPackage(contents.Id, contents.Name, contents.Version, contents.Target);
foreach (var file in contents.Files)
{
var entry = archive.FirstOrDefault(a => a.FileName == file.Name);
if (entry == null)
throw new FileNotFoundException("The package file '" + file.Name + "' is missing!", file.Name);
package.files.Add(new PluginPackageFile(file.Name, entry.ToBytes()));
}
foreach (var reference in contents.References)
{
package.references.Add(new PluginPackageReference(reference.Id, reference.Version));
}
}
return package;
}
public static byte[] ReadFileFromZip(ZipFile zip, string filename)
{
if (zip.ContainsEntry (filename)) {
var entry = zip.FirstOrDefault (x => x.FileName == filename);
if (entry != null) {
using (var ms = new MemoryStream ()) {
entry.Extract (ms);
return ms.ToArray ();
}
}
}
return null;
}
/// <summary>
/// Streams a local zip file using a streamreader.
/// Important: the caller must call Dispose() on the returned ZipFile instance.
/// </summary>
/// <param name="filename">Location of the original zip file</param>
/// <param name="zipEntryName">The zip entry name to open a reader for. Specify null to access the first entry</param>
/// <param name="zip">The ZipFile instance to be returned to the caller</param>
/// <returns>Stream reader of the first file contents in the zip file</returns>
public static StreamReader Unzip(string filename, string zipEntryName, out ZipFile zip)
{
StreamReader reader = null;
zip = null;
try
{
if (File.Exists(filename))
{
try
{
zip = new ZipFile(filename);
var entry = zip.FirstOrDefault(x => zipEntryName == null || string.Compare(x.FileName, zipEntryName, StringComparison.OrdinalIgnoreCase) == 0);
if (entry == null)
{
// Unable to locate zip entry
return(null);
}
reader = new StreamReader(entry.OpenReader());
}
catch (Exception err)
{
Log.Error(err, "Inner try/catch");
if (zip != null)
{
zip.Dispose();
}
if (reader != null)
{
reader.Close();
}
}
}
else
{
Log.Error($"Data.UnZip(2): File doesn\'t exist: {filename}");
}
}
catch (Exception err)
{
Log.Error(err, "File: " + filename);
}
return(reader);
}
public Reference( ITaskItem item )
{
FullPath = item.GetMetadata( "FullPath" );
Zip = new ZipFile( FullPath );
var appdef = Zip.FirstOrDefault( ze => ze.FileName.ToLowerInvariant() == "appdef.xml" );
if( appdef == null )
throw new FileNotFoundException( string.Format(
"The package definition file 'appdef.xml' was not found in the referenced package '{0}'",
Path.GetFileName( FullPath ) ) );
var appdefStream = new MemoryStream();
appdef.Extract( appdefStream );
appdefStream.Position = 0;
AppDef = XDocument.Load(appdefStream);
PackageName = AppDef.Element( "application" ).Element( "name" ).Value;
}
/// <summary>
/// Streams a local zip file using a streamreader.
/// Important: the caller must call Dispose() on the returned ZipFile instance.
/// </summary>
/// <param name="filename">Location of the original zip file</param>
/// <param name="zipEntryName">The zip entry name to open a reader for. Specify null to access the first entry</param>
/// <param name="zip">The ZipFile instance to be returned to the caller</param>
/// <returns>Stream reader of the first file contents in the zip file</returns>
public static StreamReader Unzip(string filename, string zipEntryName, out ZipFile zip)
{
StreamReader reader = null;
zip = null;
try
{
if (File.Exists(filename))
{
try
{
zip = new ZipFile(filename);
var entry = zip.FirstOrDefault(x => zipEntryName == null || string.Compare(x.FileName, zipEntryName, StringComparison.OrdinalIgnoreCase) == 0);
if (entry == null)
{
Log.Error("Compression.Unzip(): Unable to locate zip entry with name: " + zipEntryName + " in file: " + filename);
return null;
}
reader = new StreamReader(entry.OpenReader());
}
catch (Exception err)
{
Log.Error(err, "Inner try/catch");
if (zip != null) zip.Dispose();
if (reader != null) reader.Close();
}
}
else
{
Log.Error("Data.UnZip(2): File doesn't exist: " + filename);
}
}
catch (Exception err)
{
Log.Error(err, "File: " + filename);
}
return reader;
}
