/// <summary> Constructor for a new instance of the Oai_MainWriter class </summary>
/// <param name="RequestSpecificValues"> All the necessary, non-global data specific to the current request </param>
/// <param name="Query_String"> URL Query string to parse for OAI-PMH verbs and other values </param>
public Oai_MainWriter(NameValueCollection Query_String, RequestCache RequestSpecificValues)
: base(RequestSpecificValues)
{
// Build list of valid arguments
validArgs = new List<string>
{
"from",
"until",
"metadataPrefix",
"set",
"resumptionToken",
"identifier",
"verb",
"portal",
"urlrelative"
};
// Load the list of OAI sets
oaiSets = SobekCM_Database.Get_OAI_Sets();
queryString = Query_String;
// Set the response type
HttpContext.Current.Response.ContentType = "text/xml";
// Determine some global settings
if (UI_ApplicationCache_Gateway.Configuration.OAI_PMH != null)
{
config = UI_ApplicationCache_Gateway.Configuration.OAI_PMH;
oai_resource_identifier_base = UI_ApplicationCache_Gateway.Configuration.OAI_PMH.Identifier_Base;
oai_repository_name = UI_ApplicationCache_Gateway.Configuration.OAI_PMH.Name;
oai_repository_identifier = UI_ApplicationCache_Gateway.Configuration.OAI_PMH.Identifier;
}
else
{
config = new OAI_PMH_Configuration();
config.Set_Default();
config.Enabled = true;
}
if (String.IsNullOrEmpty(oai_resource_identifier_base)) oai_resource_identifier_base = "oai:" + UI_ApplicationCache_Gateway.Settings.System.System_Abbreviation + ":";
if (String.IsNullOrEmpty(oai_repository_name)) oai_repository_name = UI_ApplicationCache_Gateway.Settings.System.System_Name;
if (String.IsNullOrEmpty(oai_repository_identifier)) oai_repository_identifier = UI_ApplicationCache_Gateway.Settings.System.System_Abbreviation;
// Get the list of metadata prefixes permissiable by the system
metadataPrefixes = new List<string>();
foreach (OAI_PMH_Metadata_Format thisConfig in config.Metadata_Prefixes)
{
metadataPrefixes.Add(thisConfig.Prefix);
}
}
/// <summary> Constructor for a new instance of the InstanceWide_Configuration class </summary>
public InstanceWide_Configuration()
{
// Create some of the configuration stuff
Authentication = new Authentication_Configuration();
BriefItemMapping = new BriefItemMapping_Configuration();
ContactForm = new ContactForm_Configuration();
Engine = new Engine_Server_Configuration();
Extensions = new Extension_Configuration();
QualityControlTool = new QualityControl_Configuration();
Metadata = new Metadata_Configuration();
OAI_PMH = new OAI_PMH_Configuration();
UI = new InstanceWide_UI_Configuration();
Source = new Configuration_Source_Info();
// Set some defaults
HasData = false;
}
private static void read_oai_details_metadataPrefixes(XmlReader readerXml, OAI_PMH_Configuration config)
{
while (readerXml.Read())
{
if (readerXml.NodeType == XmlNodeType.Element)
{
switch (readerXml.Name.ToLower())
{
case "clear":
config.Clear_Metadata_Prefixes();
break;
case "metadataformat":
OAI_PMH_Metadata_Format component = new OAI_PMH_Metadata_Format();
if (readerXml.MoveToAttribute("Prefix"))
component.Prefix = readerXml.Value.Trim();
if (readerXml.MoveToAttribute("Schema"))
component.Schema = readerXml.Value.Trim();
if (readerXml.MoveToAttribute("MetadataNamespace"))
component.MetadataNamespace = readerXml.Value.Trim();
if (readerXml.MoveToAttribute("Assembly"))
component.Assembly = readerXml.Value.Trim();
if (readerXml.MoveToAttribute("Namespace"))
component.Namespace = readerXml.Value.Trim();
if (readerXml.MoveToAttribute("Class"))
component.Class = readerXml.Value.Trim();
if ((readerXml.MoveToAttribute("Enabled")) && (readerXml.Value.Trim().ToLower() == "false"))
component.Enabled = false;
if ((!String.IsNullOrEmpty(component.Prefix)) && (!String.IsNullOrEmpty(component.Schema)) && (!String.IsNullOrEmpty(component.MetadataNamespace)) && (!String.IsNullOrEmpty(component.Class)))
{
config.Add_Metadata_Prefix(component);
}
break;
}
}
}
}
private static void read_oai_details_identify(XmlReader readerXml, OAI_PMH_Configuration config, bool baseSpecified)
{
while (readerXml.Read())
{
if (readerXml.NodeType == XmlNodeType.Element)
{
switch (readerXml.Name.ToLower())
{
case "name":
readerXml.Read();
config.Name = readerXml.Value.Trim();
break;
case "identifier":
readerXml.Read();
config.Identifier = readerXml.Value.Trim();
if (!baseSpecified)
config.Identifier_Base = "oai:" + config.Identifier.ToLower() + ":";
break;
case "adminemail":
readerXml.Read();
config.Add_Admin_Email(readerXml.Value.Trim());
break;
case "description":
readerXml.Read();
config.Add_Description(readerXml.Value.Trim());
break;
}
}
}
}