Introduced Utilities.IO.FilterStream

1 files changed, 66 insertions, 0 deletions

diff --git a/crypto/src/util/io/FilterStream.cs b/crypto/src/util/io/FilterStream.cs
new file mode 100644
index 000000000..260ce1789
--- /dev/null
+++ b/crypto/src/util/io/FilterStream.cs
@@ -0,0 +1,66 @@
+using System.IO;
+
+namespace Org.BouncyCastle.Utilities.IO
+{
+    public class FilterStream : Stream
+    {
+        public FilterStream(Stream s)
+        {
+            this.s = s;
+        }
+        public override bool CanRead
+        {
+            get { return s.CanRead; }
+        }
+        public override bool CanSeek
+        {
+            get { return s.CanSeek; }
+        }
+        public override bool CanWrite
+        {
+            get { return s.CanWrite; }
+        }
+        public override long Length
+        {
+            get { return s.Length; }
+        }
+        public override long Position
+        {
+            get { return s.Position; }
+            set { s.Position = value; }
+        }
+        public override void Close()
+        {
+            s.Close();
+        }
+        public override void Flush()
+        {
+            s.Flush();
+        }
+        public override long Seek(long offset, SeekOrigin origin)
+        {
+            return s.Seek(offset, origin);
+        }
+        public override void SetLength(long value)
+        {
+            s.SetLength(value);
+        }
+        public override int Read(byte[] buffer, int offset, int count)
+        {
+            return s.Read(buffer, offset, count);
+        }
+        public override int ReadByte()
+        {
+            return s.ReadByte();
+        }
+        public override void Write(byte[] buffer, int offset, int count)
+        {
+            s.Write(buffer, offset, count);
+        }
+        public override void WriteByte(byte value)
+        {
+            s.WriteByte(value);
+        }
+        protected readonly Stream s;
+    }
+}