/// <summary>
/// Initializes a new instance of the <see cref="UniversalPackage"/> class.
/// </summary>
/// <param name="stream">Stream backed by the universal package. If this stream does not support seeking, a copy will be made.</param>
/// <param name="leaveOpen">Value indicating whether to leave the underlying stream open when the instance is disposed. The default is false.</param>
/// <exception cref="ArgumentNullException"><paramref name="stream"/> is null.</exception>
/// <exception cref="InvalidDataException">The stream does not contain a valid universal package.</exception>
public UniversalPackage(Stream stream, bool leaveOpen)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (!stream.CanSeek)
{
var tempStream = new FileStream(Path.GetTempFileName(), FileMode.CreateNew, FileAccess.ReadWrite, FileShare.None, 4096, FileOptions.DeleteOnClose);
stream.CopyTo(tempStream);
if (!leaveOpen)
{
stream.Dispose();
}
tempStream.Position = 0;
this.zip = new ZipArchive(tempStream, ZipArchiveMode.Read, false);
}
else
{
this.zip = new ZipArchive(stream, ZipArchiveMode.Read, leaveOpen);
}
this.Entries = new EntryCollection(this);
this.metadata = this.ReadMetadata();
}
private void WriteMetadata(UniversalPackageMetadata metadata)
{
var entry = this.zip.CreateEntry("upack.json");
using (var entryStream = entry.Open())
using (var writer = new StreamWriter(entryStream, new UTF8Encoding(false)))
using (var jsonWriter = new JsonTextWriter(writer)
{
Formatting = Formatting.Indented
})
{
metadata.WriteJson(jsonWriter);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="UniversalPackageBuilder"/> class.
/// </summary>
/// <param name="stream">Stream to write package to.</param>
/// <param name="metadata">Metadata to write as the upack.json file.</param>
/// <param name="leaveOpen">Value indicating whether to leave the underlying stream open when the instance is disposed. The default is false.</param>
/// <exception cref="ArgumentNullException"><paramref name="stream"/> is null or <paramref name="metadata"/> is null.</exception>
public UniversalPackageBuilder(Stream stream, UniversalPackageMetadata metadata, bool leaveOpen)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (metadata == null)
{
throw new ArgumentNullException(nameof(metadata));
}
try
{
this.zip = new ZipArchive(stream, ZipArchiveMode.Create, leaveOpen);
this.WriteMetadata(metadata);
}
catch
{
this.zip?.Dispose();
throw;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="UniversalPackageBuilder"/> class.
/// </summary>
/// <param name="fileName">Full path of the .upack file to create.</param>
/// <param name="metadata">Metadata to write as the upack.json file.</param>
/// <exception cref="ArgumentNullException"><paramref name="fileName"/> is null or empty or <paramref name="metadata"/> is null.</exception>
public UniversalPackageBuilder(string fileName, UniversalPackageMetadata metadata)
: this(CreateFile(fileName), metadata)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="UniversalPackageBuilder"/> class.
/// </summary>
/// <param name="stream">Stream to write package to.</param>
/// <param name="metadata">Metadata to write as the upack.json file.</param>
/// <exception cref="ArgumentNullException"><paramref name="stream"/> is null or <paramref name="metadata"/> is null.</exception>
public UniversalPackageBuilder(Stream stream, UniversalPackageMetadata metadata)
: this(stream, metadata, false)
{
}
private protected WrappedList(UniversalPackageMetadata owner) => this.Owner = owner;
internal RepackageEntryList(UniversalPackageMetadata owner)
: base(owner)
{
}
internal TagList(UniversalPackageMetadata owner)
: base(owner)
{
}
internal DependencyList(UniversalPackageMetadata owner)
: base(owner)
{
}
