private void btnImportNewLogs_Click(object sender, EventArgs e)
{
this.Cursor = Cursors.WaitCursor;
try
{
ILogOperator opt = LogContentService.Instance.GetLogOperator(m_app.AppGUID);
OpenFileDialog ofd = new OpenFileDialog();
ofd.Multiselect = true;
ofd.Filter = opt.Filter;
this.Cursor = Cursors.Default;
if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
this.Cursor = Cursors.WaitCursor;
// 导入文件后先显示，然后用户确认后再保存到数据库
Dictionary <string, List <LogRecord> > lstLogs = opt.ReadLogFromFiles(m_app.AppGUID, ofd.FileNames);
foreach (LogShowTabPage page in m_tabPages.Values)
{
if (page.Parent == null)
{
lstLogs.Remove(Convert.ToString(page.Tag));
}
}
this.Cursor = Cursors.Default;
if (lstLogs.Count > 0)
{
this.Cursor = Cursors.WaitCursor;
frmLogViewer flv = new frmLogViewer(m_app, lstLogs);
if (CGeneralFuncion.ShowWindow(null, flv, true) == System.Windows.Forms.DialogResult.OK)
{
this.Cursor = Cursors.WaitCursor;
foreach (string tableGuid in lstLogs.Keys)
{
if (!LogContentService.Instance.SaveAppLogs(m_app.AppGUID, tableGuid, lstLogs[tableGuid]))
{
throw new Exception("保存日志到数据库失败");
}
AddLogs2TabPage(tableGuid, lstLogs[tableGuid]);
}
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(string.Format("导入{0}的日志时出错，错误消息为:{1}", m_app.Name, ex.Message));
}
finally
{
this.Cursor = Cursors.Default;
}
}
public void AddLogOperator(string appGuid, ILogOperator opt)
{
if (m_operators.ContainsKey(appGuid))
{
throw new Exception("缓冲区中已经存在该应用程序的操作类！");
}
m_operators.Add(appGuid, opt);
}
private void LoadLogOperators()
{
try
{
// 动态加载日志处理函数
string dirPath = Path.Combine(Application.StartupPath, LogOperatorPath);
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
}
DirectoryInfo di = new DirectoryInfo(dirPath);
FileInfo[] files = di.GetFiles("*" + LogOperatorFileExtension);
if (files != null && files.Length > 0)
{
StringBuilder sbErrors = new StringBuilder();
XmlSerializer dataSerializer = new XmlSerializer(typeof(LogOperatorInfo));
XmlTextReader xmlReader = null;
foreach (FileInfo info in files)
{
try
{
xmlReader = new XmlTextReader(info.FullName);
LogOperatorInfo optInfo = (LogOperatorInfo)dataSerializer.Deserialize(xmlReader);
if (string.IsNullOrWhiteSpace(optInfo.AppGuid))
{
throw new Exception("应用程序Guid不能为空");
}
string assemblyFile = Path.Combine(dirPath, optInfo.FileName);
if (m_operators.ContainsKey(optInfo.AppGuid))
{
throw new Exception(string.Format("应用程序Guid：{0}已经存在", optInfo.AppGuid));
}
if (!File.Exists(assemblyFile))
{
throw new Exception(string.Format("文件{0}不存在或者没有权限访问", assemblyFile));
}
Assembly optor = Assembly.LoadFile(assemblyFile);
foreach (Module m in optor.GetModules())
{
foreach (Type t in m.GetTypes())
{
Type interfaceT = t.GetInterface("ILogOperator", true);
if (interfaceT == null)
{
continue;
}
ILogOperator optInstance = (ILogOperator)System.Activator.CreateInstance(t);
optInstance.AppGuid = optInfo.AppGuid;
optInstance.Filter = optInfo.Filter;
m_operators.Add(optInfo.AppGuid, optInstance);
}
}
}
catch (Exception ex)
{
sbErrors.AppendLine(string.Format("文件{0}解析错误，错误消息为:{1}",
info.FullName, ex.Message));
}
finally
{
if (xmlReader != null)
{
xmlReader.Close();
xmlReader = null;
}
}
}
if (sbErrors.Length > 0)
{
throw new Exception(sbErrors.ToString());
}
}
}
catch (Exception ex)
{
throw new Exception("加载日志操作类失败，错误消息为：" + ex.Message);
}
}