/// <summary>
/// 执行读取命令
/// </summary>
/// <param name="command">读取命令</param>
/// <param name="IsOverride">是否覆盖已存在的目标文件</param>
/// <returns>若输出失败则返回false</returns>
public bool ExecuteWriteCommand(IFileWriteCommand command, bool IsOverride = true)
{
bool result = false;
try
{
System.IO.DirectoryInfo dir = new System.IO.DirectoryInfo(FilePath);
if (dir.Exists == false)
{
dir.Create();
}
FileStream file = new FileStream(FileFullName, IsOverride ? FileMode.OpenOrCreate : FileMode.Append, FileAccess.Write);
Writer = new StreamWriter(file);
command.WriteToFile(this);
Writer.Close();
file.Close();
result = true;
}
catch (Exception ex)
{
ErrorMessage = ex.ToString();
}
return(result);
}
public DbFileStream(
IFileOpenCommand openCommand,
IFileCloseCommand closeCommand,
IFileReadCommand readCommand0,
IFileReadCommand readCommand1,
IFileWriteCommand writeCommand0,
IFileWriteCommand writeCommand1,
FileAccessMode mode,
string fileName,
string directoryName = null)
{
Contract.Requires((mode == FileAccessMode.Write) || (readCommand0 != readCommand1));
_openCommand = openCommand;
_closeCommand = closeCommand;
_readCommands = new[] { readCommand0, readCommand1 };
_writeCommands = new[] { writeCommand0, writeCommand1 };
_fileName = fileName;
_directoryName = directoryName;
_mode = mode;
}
