■ 이진 파일 관리자를 사용하는 방법을 보여준다.
▶ BinaryFileManager.cs
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using System; using System.IO; /// <summary> /// 이진 파일 관리자 /// </summary> public class BinaryFileManager : IDisposable { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 파일 스트림 /// </summary> private FileStream fileStream; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 파일 스트림 - FileStream /// <summary> /// 파일 스트림 /// </summary> public FileStream FileStream { get { return this.fileStream; } } #endregion #region 파일 길이 - FileLength /// <summary> /// 파일 길이 /// </summary> public long FileLength { get { if(this.fileStream != null) { return this.fileStream.Length; } else { return 0L; } } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - BinaryFileManager(fileStream) /// <summary> /// 생성자 /// </summary> /// <param name="fileStream">파일 스트림</param> public BinaryFileManager(FileStream fileStream) { this.fileStream = fileStream; } #endregion #region 생성자 - BinaryFileManager(filePath, fileMode, fileAccess) /// <summary> /// 생성자 /// </summary> /// <param name="filePath">파일 경로</param> /// <param name="fileMode">파일 모드</param> /// <param name="fileAccess">파일 액세스</param> public BinaryFileManager(string filePath, FileMode fileMode, FileAccess fileAccess) { this.fileStream = new FileStream(filePath, fileMode, fileAccess); } #endregion #region 생성자 - BinaryFileManager(filePath) /// <summary> /// 생성자 /// </summary> /// <param name="filePath">파일 경로</param> public BinaryFileManager(string filePath) : this(filePath, FileMode.Open, FileAccess.Read) { } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 생성자 - BinaryFileManager() /// <summary> /// 생성자 /// </summary> private BinaryFileManager() { } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Destructor #region 소멸자 - ~BinaryFileManager() /// <summary> /// 소멸자 /// </summary> ~BinaryFileManager() { Close(); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static #region 파일 읽기 - ReadFile(filePath) /// <summary> /// 파일 읽기 /// </summary> /// <param name="filePath">파일 경로</param> /// <returns>읽기 바이트 배열</returns> public static byte[] ReadFile(string filePath) { FileStream fileStream = null; byte[] bufferByteArray = null; try { fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read); int fileLength = (int)fileStream.Length; bufferByteArray = new byte[fileLength]; int countRead; int totalCountRead = 0; while((countRead = fileStream.Read(bufferByteArray, totalCountRead, fileLength - totalCountRead)) > 0) { totalCountRead += countRead; } } finally { if(fileStream != null) { fileStream.Close(); fileStream.Dispose(); fileStream = null; } } return bufferByteArray; } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Public #region 쓰기 - Write(seekOrigin, startPosition, sourceByteArray, sourceByteArrayOffset, writeLength) /// <summary> /// 쓰기 /// </summary> /// <param name="seekOrigin">탐색 기준</param> /// <param name="startPosition">시작 위치</param> /// <param name="sourceByteArray">소스 바이트 배열</param> /// <param name="sourceByteArrayOffset">소스 바이트 배열 오프셋</param> /// <param name="writeLength">쓰기 길이</param> public void Write(SeekOrigin seekOrigin, long startPosition, byte[] sourceByteArray, int sourceByteArrayOffset, int writeLength) { this.fileStream.Seek(startPosition, seekOrigin); this.fileStream.Write(sourceByteArray, sourceByteArrayOffset, writeLength); } #endregion #region 쓰기 - Write(seekOrigin, startPosition, sourceByteArray) /// <summary> /// 쓰기 /// </summary> /// <param name="seekOrigin">탐색 기준</param> /// <param name="startPosition">시작 위치</param> /// <param name="sourceByteArray">소스 바이트 배열</param> public void Write(SeekOrigin seekOrigin, long startPosition, byte[] sourceByteArray) { Write(seekOrigin, startPosition, sourceByteArray, 0, sourceByteArray.Length); } #endregion #region 쓰기 - Write(startPosition, sourceByteArray, sourceByteArrayOffset, writeLength) /// <summary> /// 쓰기 /// </summary> /// <param name="lStartPosition">시작 위치</param> /// <param name="pSourceByteArray">소스 바이트 배열<param> /// <param name="nBufferOffset">소스 바이트 배열 오프셋</param> /// <param name="nWriteLength">쓰기 길이</param> public void Write(long startPosition, byte[] sourceByteArray, int sourceByteArrayOffset, int writeLength) { Write(SeekOrigin.Begin, startPosition, sourceByteArray, sourceByteArrayOffset, writeLength); } #endregion #region 쓰기 - Write(startPosition, sourceByteArray) /// <summary> /// 쓰기 /// </summary> /// <param name="startPosition">시작 위치</param> /// <param name="sourceByteArray">소스 바이트 배열</param> public void Write(long startPosition, byte[] sourceByteArray) { Write(SeekOrigin.Begin, startPosition, sourceByteArray, 0, sourceByteArray.Length); } #endregion #region 쓰기 - Write(sourceByteArray, sourceByteArrayOffset, writeLength) /// <summary> /// 쓰기 /// </summary> /// <param name="sourceByteArray">소스 바이트 배열</param> /// <param name="sourceByteArrayOffset">소스 바이트 배열 오프셋</param> /// <param name="writeLength">쓰기 길이</param> public void Write(byte[] sourceByteArray, int sourceByteArrayOffset, int writeLength) { Write(SeekOrigin.Begin, 0L, sourceByteArray, sourceByteArrayOffset, writeLength); } #endregion #region 쓰기 - Write(sourceByteArray) /// <summary> /// 쓰기 /// </summary> /// <param name="sourceByteArray">소스 바이트 배열</param> public void Write(byte[] sourceByteArray) { Write(SeekOrigin.Begin, 0L, sourceByteArray, 0, sourceByteArray.Length); } #endregion #region 읽기 - Read(seekOrigin, startPosition, targetByteArray, targetByteArrayOffset, readLength) /// <summary> /// 읽기 /// </summary> /// <param name="seekOrigin">탐색 기준</param> /// <param name="startPosition">시작 위치</param> /// <param name="targetByteArray">타겟 바이트 배열</param> /// <param name="targetByteArrayOffset">타겟 바이트 배열 오프셋</param> /// <param name="readLength">읽기 길이</param> /// <returns>실제 읽은 길이</returns> public int Read(SeekOrigin seekOrigin, long startPosition, byte[] targetByteArray, int targetByteArrayOffset, int readLength) { this.fileStream.Seek(startPosition, seekOrigin); return this.fileStream.Read(targetByteArray, targetByteArrayOffset, readLength); } #endregion #region 읽기 - Read(seekOrigin, startPosition, targetByteArray) /// <summary> /// 읽기 /// </summary> /// <param name="seekOrigin">탐색 기준</param> /// <param name="startPosition">시작 위치</param> /// <param name="targetByteArray">타겟 바이트 배열</param> /// <returns>실제 읽은 길이</returns> public int Read(SeekOrigin seekOrigin, long startPosition, byte[] targetByteArray) { return Read(seekOrigin, startPosition, targetByteArray, 0, targetByteArray.Length); } #endregion #region 읽기 - Read(startPosition, targetByteArray, targetByteArrayOffset, readLength) /// <summary> /// 읽기 /// </summary> /// <param name="startPosition">시작 위치</param> /// <param name="targetByteArray">타겟 바이트 배열</param> /// <param name="targetByteArrayOffset">타겟 바이트 배열 오프셋</param> /// <param name="readLength">읽기 길이</param> /// <returns>실제 읽은 길이</returns> public int Read(long startPosition, byte[] targetByteArray, int targetByteArrayOffset, int readLength) { return Read(SeekOrigin.Begin, startPosition, targetByteArray, targetByteArrayOffset, readLength); } #endregion #region 읽기 - Read(startPosition, targetByteArray) /// <summary> /// 읽기 /// </summary> /// <param name="startPosition">시작 위치</param> /// <param name="targetByteArray">타겟 바이트 배열</param> /// <returns>실제 읽은 길이</returns> public int Read(long startPosition, byte[] targetByteArray) { return Read(SeekOrigin.Begin, startPosition, targetByteArray, 0, targetByteArray.Length); } #endregion #region 읽기 - Read(targetByteArray, targetByteArrayOffset, readLength) /// <summary> /// 읽기 /// </summary> /// <param name="targetByteArray">타겟 바이트 배열</param> /// <param name="targetByteArrayOffset">타겟 바이트 배열 오프셋</param> /// <param name="readLength">읽기 길이</param> /// <returns>실제 읽은 길이</returns> public int Read(byte[] targetByteArray, int targetByteArrayOffset, int readLength) { return Read(SeekOrigin.Begin, 0L, targetByteArray, targetByteArrayOffset, readLength); } #endregion #region 읽기 - Read(targetByteArray) /// <summary> /// 읽기 /// </summary> /// <param name="targetByteArray">타겟 바이트 배열</param> /// <returns>실제 읽은 길이</returns> public int Read(byte[] targetByteArray) { return Read(SeekOrigin.Begin, 0L, targetByteArray, 0, targetByteArray.Length); } #endregion #region 닫기 - Close() /// <summary> /// 닫기 /// </summary> public void Close() { if(this.fileStream != null) { this.fileStream.Close(); this.fileStream.Dispose(); this.fileStream = null; } } #endregion #region 해제하기 - Dispose() /// <summary> /// 해제하기 /// </summary> public void Dispose() { Close(); } #endregion } |