#region Copyright 2011-2014 by Roger Knapp, Licensed under the Apache License, Version 2.0
/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#endregion
using System.IO;
using CSharpTest.Net.Interfaces;
namespace CSharpTest.Net.IO
{
///
/// Provides a default implementation of an IFactory for creating streams on a single file.
///
public class FileStreamFactory : IFactory
{
const int DefaultBuffer = 4096;
readonly string _filename;
readonly FileMode _mode;
readonly FileAccess _access;
readonly FileShare _share;
readonly int _bufferSize;
readonly FileOptions _options;
/// Creates an IFactory for creating streams on a single file
public FileStreamFactory(string filename, FileMode mode)
: this(filename, mode, mode == FileMode.Append ? FileAccess.Write : FileAccess.ReadWrite, FileShare.None, DefaultBuffer, FileOptions.None)
{ }
/// Creates an IFactory for creating streams on a single file
public FileStreamFactory(string filename, FileMode mode, FileAccess access)
: this(filename, mode, access, access == FileAccess.Read ? FileShare.Read : FileShare.None, DefaultBuffer, FileOptions.None)
{ }
/// Creates an IFactory for creating streams on a single file
public FileStreamFactory(string filename, FileMode mode, FileAccess access, FileShare share)
: this(filename, mode, access, share, DefaultBuffer, FileOptions.None)
{ }
/// Creates an IFactory for creating streams on a single file
public FileStreamFactory(string filename, FileMode mode, FileAccess access, FileShare share, int bufferSize)
: this(filename, mode, access, share, bufferSize, FileOptions.None)
{ }
/// Creates an IFactory for creating streams on a single file
public FileStreamFactory(string filename, FileMode mode, FileAccess access, FileShare share, int bufferSize, FileOptions options)
{
_filename = Check.NotEmpty(filename);
_mode = mode;
_access = access;
_share = share;
_bufferSize = bufferSize;
_options = options;
}
/// The FileName that this factory produces streams for
public string FileName { get { return _filename; } }
///
/// Creates the file stream
///
public Stream Create()
{
return new FileStream(_filename, _mode, _access, _share, _bufferSize, _options);
}
}
}