public WkHtmlToPdfConverter()
{
bool useX11 = false;
try
{
useX11 = SysConvert.ToBoolean(ConfigurationManager.AppSettings["WkHtmlToXSharp.UseX11"]);
}
catch (Exception ex)
{
_Log.Error("Unable to parse 'WkHtmlToXSharp.UseX11' app. setting.", ex);
}
// Try to deploy native libraries bundles.
WkHtmlToXLibrariesManager.InitializeNativeLibrary();
var version = NativeCalls.WkHtmlToPdfVersion();
if (NativeCalls.wkhtmltopdf_init(useX11 ? 1 : 0) == 0)
{
throw new InvalidOperationException(string.Format("wkhtmltopdf_init failed! (version: {0}, useX11 = {1})", version, useX11));
}
_Log.DebugFormat("Initialized new converter instance (Version: {0}, UseX11 = {1})", version, useX11);
}
public MultiplexingConverter()
{
lock (_worker)
{
WkHtmlToXLibrariesManager.InitializeNativeLibrary();
// XXX: We need to keep a converter instance alive during the whole application
// lifetime due to some underlying's library bug by which re-initializing
// the API after having deinitiaized it, causes all newlly rendered pdf
// file to be corrupted. So we will keep this converter alive to avoid
// de-initialization until app's shutdown. (pruiz)
// See: http://code.google.com/p/wkhtmltopdf/issues/detail?id=511
if (_initiWorkAround == null)
{
_Log.InfoFormat("Initializing converter infrastructure..");
_worker.Invoke((Action)(() => _initiWorkAround = new WkHtmlToPdfConverter()));
_Log.InfoFormat("Initialized converter infrastructure.. (workaround: {0})", _initiWorkAround != null);
AppDomain.CurrentDomain.ProcessExit += (o, e) =>
_worker.Invoke((Action)(() => {
_Log.InfoFormat("Disposing converter infraestructure..");
_initiWorkAround.Dispose();
_initiWorkAround = null;
_Log.InfoFormat("Disposed converter infraestructure..");
}));
}
}
_worker.Invoke((Action)(() => _converter = new WkHtmlToPdfConverter()));
}
private void DeployLibrary(WkHtmlToXLibrariesManager manager, string resource)
{
var fileName = resource.Substring(ResourcesPath.Length);
using (var stream = Assembly.GetManifestResourceStream(resource))
{
manager.DeployLibrary(stream, fileName, File.GetLastWriteTime(Assembly.Location));
}
}
private void DeployLibrary(WkHtmlToXLibrariesManager manager, string resource)
{
var fileName = resource.Substring(ResourcesPath.Length);
using (var stream = Assembly.GetManifestResourceStream(resource))
{
manager.DeployLibrary(stream, fileName, File.GetLastWriteTime(Assembly.Location));
}
}
public void DeployBundle(WkHtmlToXLibrariesManager manager)
{
if (manager == null) throw new ArgumentNullException("manager");
var resourcesList = Assembly.GetManifestResourceNames();
foreach (var res in resourcesList)
{
if (res.StartsWith(ResourcesPath))
DeployLibrary(manager, res);
}
}
public void DeployBundle(WkHtmlToXLibrariesManager manager)
{
if (manager == null)
{
throw new ArgumentNullException("manager");
}
var resourcesList = Assembly.GetManifestResourceNames();
foreach (var res in resourcesList)
{
if (res.StartsWith(ResourcesPath))
{
DeployLibrary(manager, res);
}
}
}
private static void DeployLibraries()
{
var manager = new WkHtmlToXLibrariesManager();
foreach (var bundle in _bundles.Where(x => x.SupportsCurrentPlatform))
{
_Log.DebugFormat("Attempting to deploy bundle: {0}", bundle);
try
{
bundle.DeployBundle(manager);
}
catch (Exception ex)
{
var msg = string.Format("Deploying of bundle {0} failed.", bundle.GetType().Name);
throw new ApplicationException(msg, ex);
}
}
}
static NativeCalls()
{
// Deploy native assemblies..
WkHtmlToXLibrariesManager.InitializeNativeLibrary();
}
private static void DeployLibraries()
{
var manager = new WkHtmlToXLibrariesManager();
foreach (var bundle in _bundles.Where(x => x.SupportsCurrentPlatform))
{
_Log.DebugFormat("Attempting to deploy bundle: {0}", bundle);
try
{
bundle.DeployBundle(manager);
}
catch (Exception ex)
{
var msg = string.Format("Deploying of bundle {0} failed.", bundle.GetType().Name);
throw new ApplicationException(msg, ex);
}
}
}
