void Init()
{
lock (this)
{
if (_UseCompression != -1)
{
return;
}
_UseCompression = 0; // assume failure; and use the builtin MS routines
try
{
// Load the assembly
_Assembly = XmlUtil.AssemblyLoadFrom(_CodeModule);
// Load up a test stream to make sure it will work
object[] args = new object[] { new MemoryStream() };
Stream so = _Assembly.CreateInstance(_ClassName, false,
BindingFlags.CreateInstance, null, args, null, null) as Stream;
if (so != null)
{ // we've successfully inited
so.Close();
_UseCompression = 1;
}
else
{
_Assembly = null;
}
if (_Finish != null)
{
Type theClassType = so.GetType();
this._FinishMethodInfo = theClassType.GetMethod(_Finish);
}
}
catch (Exception e)
{
_ErrorMsg = e.InnerException == null ? e.Message : e.InnerException.Message;
_UseCompression = 0; // failure; force use the builtin MS routines
}
}
}
static public void Init()
{
if (_Assembly != null)
{
return;
}
lock (typeof(ZipWrap))
{
try
{
_Assembly = XmlUtil.AssemblyLoadFrom(ZIPNAME);
_ZipError = string.Empty;
}
catch (Exception ex)
{
_ZipError = ex.ToString(); // record error for later
}
}
}
static void GetCustomReportItem(Dictionary <string, CustomReportItemEntry> crieDir, XmlNode xNode)
{
string friendlyTypeName = null;
string codemodule = null;
string classname = null;
foreach (XmlNode xNodeLoop in xNode.ChildNodes)
{
if (xNodeLoop.NodeType != XmlNodeType.Element)
{
continue;
}
switch (xNodeLoop.Name)
{
case "Type":
friendlyTypeName = xNodeLoop.InnerText;
break;
case "CodeModule":
codemodule = xNodeLoop.InnerText;
break;
case "ClassName":
classname = xNodeLoop.InnerText;
break;
default:
break;
}
}
if (friendlyTypeName == null)
{
return; // nothing to do if no provider specified
}
CustomReportItemEntry crie;
try
{ // load the module early; saves problems with concurrency later
string msg = null;
Type dotNetType = null;
Assembly la = null;
if (codemodule != null && classname != null)
{
// Check to see if previously loaded. Many CustomReportItems share same CodeModule.
Assembly[] allLoadedAss = AppDomain.CurrentDomain.GetAssemblies();
foreach (Assembly ass in allLoadedAss)
{
if (ass.Location.Equals(codemodule, StringComparison.CurrentCultureIgnoreCase))
{
la = ass;
break;
}
}
if (la == null) // not previously loaded?
{
la = XmlUtil.AssemblyLoadFrom(codemodule);
}
if (la == null)
{
msg = string.Format("{0} could not be loaded", codemodule);
}
else
{
dotNetType = la.GetType(classname);
}
}
crie = new CustomReportItemEntry(friendlyTypeName, dotNetType, msg);
crieDir.Add(friendlyTypeName, crie);
}
catch (Exception e)
{ // keep exception; if this CustomReportItem is ever used we will see the message
crie = new CustomReportItemEntry(friendlyTypeName, null, e.Message);
crieDir.Add(friendlyTypeName, crie);
}
}
static void GetDataSource(IDictionary dsDir, XmlNode xNode)
{
string provider = null;
string codemodule = null;
string cname = null;
string inter = "SQL";
string tselect = null;
bool replaceparameters = false;
foreach (XmlNode xNodeLoop in xNode.ChildNodes)
{
if (xNodeLoop.NodeType != XmlNodeType.Element)
{
continue;
}
switch (xNodeLoop.Name)
{
case "DataProvider":
provider = xNodeLoop.InnerText;
break;
case "CodeModule":
codemodule = xNodeLoop.InnerText;
break;
case "Interface":
inter = xNodeLoop.InnerText;
break;
case "ClassName":
cname = xNodeLoop.InnerText;
break;
case "TableSelect":
tselect = xNodeLoop.InnerText;
break;
case "ReplaceParameters":
if (xNodeLoop.InnerText.ToLower() == "true")
{
replaceparameters = true;
}
break;
default:
break;
}
}
if (provider == null)
{
return; // nothing to do if no provider specified
}
SqlConfigEntry sce;
try
{ // load the module early; saves problems with concurrency later
string msg = null;
Assembly la = null;
if (codemodule != null && cname != null)
{
// check to see if the DLL has been previously loaded
// many of the DataProvider done by ReportingCloud are in a single code module
foreach (SqlConfigEntry sc in dsDir.Values)
{
if (sc.FileName == codemodule &&
sc.CodeModule != null)
{
la = sc.CodeModule;
break;
}
}
if (la == null)
{
la = XmlUtil.AssemblyLoadFrom(codemodule);
}
if (la == null)
{
msg = string.Format("{0} could not be loaded", codemodule);
}
}
sce = new SqlConfigEntry(provider, codemodule, cname, la, tselect, msg);
dsDir.Add(provider, sce);
}
catch (Exception e)
{ // keep exception; if this DataProvided is ever useed we will see the message
sce = new SqlConfigEntry(provider, codemodule, cname, null, tselect, e.Message);
dsDir.Add(provider, sce);
}
sce.ReplaceParameters = replaceparameters;
}
