/// <summary>
/// Reset the engines.
/// </summary>
public void Clear()
{
_engines = new SearchEngines();
_engines.Engines = new List <SearchEngine>();
validationErrorOccured = false;
enginesLoaded = true;
}
/// <summary>
/// Reset the engines.
/// </summary>
public void Clear()
{
_engines = new SearchEngines();
_engines.Engines = new ArrayList();
_engines.NewTabRequired = true;
validationErrorOccured = false;
enginesLoaded = true;
}
/// <summary>
/// Loads the search engines list from the given URL.
/// </summary>
/// <param name="configUrl">The URL of the engines config</param>
/// <param name="veh">The event handler that should be invoked on the client if validation errors occur</param>
/// <exception cref="XmlException">XmlException thrown if XML is not well-formed</exception>
public void LoadEngines(string configUrl, ValidationEventHandler veh)
{
XmlDocument doc = new XmlDocument();
XmlReaderSettings settings = new XmlReaderSettings();
settings.ValidationType = ValidationType.Schema;
settings.Schemas.Add(searchConfigSchema);
//specify validation event handler passed by caller and the one we use
//internally to track state
if (veh != null)
{
settings.ValidationEventHandler += veh;
}
settings.ValidationEventHandler += LoaderValidationCallback;
validationErrorOccured = false;
enginesLoaded = false;
XmlReader vr = XmlReader.Create(new XmlTextReader(configUrl), settings);
doc.Load(vr);
vr.Close();
if (!validationErrorOccured)
{
//convert XML to objects
XmlNodeReader reader = new XmlNodeReader(doc);
XmlSerializer serializer = XmlHelper.SerializerCache.GetSerializer(typeof(SearchEngines));
SearchEngines mySearchEngines = (SearchEngines)serializer.Deserialize(reader);
reader.Close();
_engines = mySearchEngines;
enginesLoaded = true;
if (this.RepairedPhrasePlaceholders())
{
using (Stream stream = FileHelper.OpenForWrite(configUrl)) {
this.SaveEngines(stream);
}
}
}
}
/// <summary>
/// Loads the search engines list from the given URL.
/// </summary>
/// <param name="configStream">The Stream of the engines config</param>
/// <exception cref="Exception">Exception thrown on file access errors</exception>
public void SaveEngines(Stream configStream)
{
XmlSerializer serializer = XmlHelper.SerializerCache.GetSerializer(typeof(SearchEngines));
if (_engines != null)
{
if (_engines.Engines == null)
{
_engines.Engines = new List <SearchEngine>();
}
} //if(_engines != null)
else
{
_engines = new SearchEngines();
}
TextWriter writer = new StreamWriter(configStream);
serializer.Serialize(writer, _engines);
writer.Flush();
}
/// <summary>
/// Loads the search engines list from the given URL.
/// </summary>
/// <param name="configUrl">The Stream of the engines config</param>
/// <exception cref="Exception">Exception thrown on file access errors</exception>
public void SaveEngines(Stream configUrl)
{
XmlSerializer serializer = new XmlSerializer(typeof(SearchEngines));
if (_engines != null)
{
if (_engines.Engines == null)
{
_engines.Engines = new ArrayList();
}
} //if(_engines != null)
else
{
_engines = new SearchEngines();
}
TextWriter writer = new StreamWriter(configUrl);
serializer.Serialize(writer, _engines);
writer.Close();
}
/// <summary>
/// Loads the search engines list from the given URL.
/// </summary>
/// <param name="configUrl">The URL of the engines config</param>
/// <param name="veh">The event handler that should be invoked on the client if validation errors occur</param>
/// <exception cref="XmlException">XmlException thrown if XML is not well-formed</exception>
public void LoadEngines(string configUrl, ValidationEventHandler veh)
{
XmlDocument doc = new XmlDocument();
XmlValidatingReader vr = new XmlValidatingReader(new XmlTextReader(configUrl));
vr.Schemas.Add(searchConfigSchema);
vr.ValidationType = ValidationType.Schema;
//specify validation event handler passed by caller and the one we use
//internally to track state
vr.ValidationEventHandler += veh;
vr.ValidationEventHandler += new ValidationEventHandler(LoaderValidationCallback);
validationErrorOccured = false;
enginesLoaded = false;
doc.Load(vr);
vr.Close();
if (!validationErrorOccured)
{
//convert XML to objects
XmlNodeReader reader = new XmlNodeReader(doc);
XmlSerializer serializer = new XmlSerializer(typeof(SearchEngines));
SearchEngines mySearchEngines = (SearchEngines)serializer.Deserialize(reader);
reader.Close();
_engines = mySearchEngines;
enginesLoaded = true;
if (this.RepairedPhrasePlaceholders())
{
using (Stream stream = RssComponents.FileUtils.OpenForWrite(configUrl)) {
this.SaveEngines(stream);
}
}
}
}