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using System;
using System.Threading.Tasks;
namespace VersOne.Epub
{
/// <summary>
/// A reference for a file within the EPUB archive which allows to read its content as a byte array.
/// Unlike <see cref="EpubLocalByteContentFile" />, this class contains only a reference to the file but doesn't contain its content.
/// </summary>
public class EpubLocalByteContentFileRef : EpubLocalContentFileRef
{
/// <summary>
/// Initializes a new instance of the <see cref="EpubLocalByteContentFileRef" /> class with a specified EPUB book reference, a file name, a content type of the file,
/// and a MIME type of the file's content.
/// </summary>
/// <param name="metadata">Metadata of this content file reference.</param>
/// <param name="filePath">The absolute path of the local content file in the EPUB archive.</param>
/// <param name="epubContentLoader">A reference to the EPUB content loader which provides methods to load the content of this file.</param>
/// <exception cref="ArgumentNullException">The <paramref name="metadata" /> parameter is <c>null</c>.</exception>
/// <exception cref="ArgumentNullException">The <paramref name="filePath" /> parameter is <c>null</c>.</exception>
/// <exception cref="ArgumentNullException">The <paramref name="epubContentLoader" /> parameter is <c>null</c>.</exception>
public EpubLocalByteContentFileRef(EpubContentFileRefMetadata metadata, string filePath, IEpubContentLoader epubContentLoader)
: base(metadata, filePath, epubContentLoader)
{
}
/// <summary>
/// Gets the type of the content file which is always <see cref="EpubContentFileType.BYTE_ARRAY" /> for local byte content file references.
/// </summary>
public override EpubContentFileType ContentFileType => EpubContentFileType.BYTE_ARRAY;
/// <summary>
/// Reads the whole content of the referenced file and returns it as a byte array.
/// </summary>
/// <returns>Content of the referenced file.</returns>
public byte[] ReadContent()
{
return ReadContentAsBytes();
}
/// <summary>
/// Asynchronously reads the whole content of the referenced file and returns it as a byte array.
/// </summary>
/// <returns>A task that represents the asynchronous read operation. The value of the TResult parameter contains the content of the referenced file.</returns>
public Task<byte[]> ReadContentAsync()
{
return ReadContentAsBytesAsync();
}
}
}
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