1 files changed, 104 insertions, 0 deletions

diff --git a/src/dtf/WixToolset.Dtf.Compression.Zip/ZipFileInfo.cs b/src/dtf/WixToolset.Dtf.Compression.Zip/ZipFileInfo.cs
new file mode 100644
index 00000000..d865bbba
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+++ b/src/dtf/WixToolset.Dtf.Compression.Zip/ZipFileInfo.cs
@@ -0,0 +1,104 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixToolset.Dtf.Compression.Zip
+{
+    using System;
+    using System.IO;
+    using System.Runtime.Serialization;
+
+    /// <summary>
+    /// Object representing a compressed file within a zip package; provides operations for getting
+    /// the file properties and extracting the file.
+    /// </summary>
+    [Serializable]
+    public class ZipFileInfo : ArchiveFileInfo
+    {
+        private long compressedLength;
+        private ZipCompressionMethod compressionMethod;
+
+        /// <summary>
+        /// Creates a new ZipFileInfo object representing a file within a zip in a specified path.
+        /// </summary>
+        /// <param name="zipInfo">An object representing the zip archive containing the file.</param>
+        /// <param name="filePath">The path to the file within the zip archive. Usually, this is a simple file
+        /// name, but if the zip archive contains a directory structure this may include the directory.</param>
+        public ZipFileInfo(ZipInfo zipInfo, string filePath)
+            : base(zipInfo, filePath)
+        {
+            if (zipInfo == null)
+            {
+                throw new ArgumentNullException("zipInfo");
+            }
+        }
+
+        /// <summary>
+        /// Creates a new ZipFileInfo object with all parameters specified,
+        /// used internally when reading the metadata out of a zip archive.
+        /// </summary>
+        /// <param name="filePath">The internal path and name of the file in the zip archive.</param>
+        /// <param name="zipNumber">The zip archive number where the file starts.</param>
+        /// <param name="attributes">The stored attributes of the file.</param>
+        /// <param name="lastWriteTime">The stored last write time of the file.</param>
+        /// <param name="length">The uncompressed size of the file.</param>
+        /// <param name="compressedLength">The compressed size of the file.</param>
+        /// <param name="compressionMethod">Compression algorithm used for this file.</param>
+        internal ZipFileInfo(
+            string filePath,
+            int zipNumber,
+            FileAttributes attributes,
+            DateTime lastWriteTime,
+            long length,
+            long compressedLength,
+            ZipCompressionMethod compressionMethod)
+            : base(filePath, zipNumber, attributes, lastWriteTime, length)
+        {
+            this.compressedLength = compressedLength;
+            this.compressionMethod = compressionMethod;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the ZipFileInfo class with serialized data.
+        /// </summary>
+        /// <param name="info">The SerializationInfo that holds the serialized object data about the exception being thrown.</param>
+        /// <param name="context">The StreamingContext that contains contextual information about the source or destination.</param>
+        protected ZipFileInfo(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+            this.compressedLength = info.GetInt64("compressedLength");
+        }
+
+        /// <summary>
+        /// Gets the compressed size of the file in bytes.
+        /// </summary>
+        public long CompressedLength
+        {
+            get
+            {
+                return this.compressedLength;
+            }
+        }
+
+        /// <summary>
+        /// Gets the method used to compress this file.
+        /// </summary>
+        public ZipCompressionMethod CompressionMethod
+        {
+            get
+            {
+                return this.compressionMethod;
+            }
+        }
+
+        /// <summary>
+        /// Sets the SerializationInfo with information about the archive.
+        /// </summary>
+        /// <param name="info">The SerializationInfo that holds the serialized object data.</param>
+        /// <param name="context">The StreamingContext that contains contextual information
+        /// about the source or destination.</param>
+        public override void GetObjectData(SerializationInfo info, StreamingContext context)
+        {
+            base.GetObjectData(info, context);
+            info.AddValue("compressedLength", this.compressedLength);
+        }
+    }
+}