/// <summary>
/// Returns the type vocabulary identifier for the supplied <see cref="DublinCoreTypeVocabularies"/>.
/// </summary>
/// <param name="vocabulary">The <see cref="DublinCoreTypeVocabularies"/> to get the type vocabulary identifier for.</param>
/// <returns>The type vocabulary identifier for the supplied <paramref name="vocabulary"/>, otherwise returns an empty string.</returns>
public static string TypeVocabularyAsString(DublinCoreTypeVocabularies vocabulary)
{
string name = String.Empty;
foreach (System.Reflection.FieldInfo fieldInfo in typeof(DublinCoreTypeVocabularies).GetFields())
{
if (fieldInfo.FieldType == typeof(DublinCoreTypeVocabularies))
{
DublinCoreTypeVocabularies typeVocabulary = (DublinCoreTypeVocabularies)Enum.Parse(fieldInfo.FieldType, fieldInfo.Name);
if (typeVocabulary == vocabulary)
{
object[] customAttributes = fieldInfo.GetCustomAttributes(typeof(EnumerationMetadataAttribute), false);
if (customAttributes != null && customAttributes.Length > 0)
{
EnumerationMetadataAttribute enumerationMetadata = customAttributes[0] as EnumerationMetadataAttribute;
name = enumerationMetadata.AlternateValue;
break;
}
}
}
}
return(name);
}
/// <summary>
/// Returns the <see cref="DublinCoreTypeVocabularies"/> enumeration value that corresponds to the specified type vocabulary name.
/// </summary>
/// <param name="name">The name of the type vocabulary.</param>
/// <returns>A <see cref="DublinCoreTypeVocabularies"/> enumeration value that corresponds to the specified string, otherwise returns <b>DublinCoreTypeVocabularies.None</b>.</returns>
/// <remarks>This method disregards case of specified type vocabulary name.</remarks>
/// <exception cref="ArgumentNullException">The <paramref name="name"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="name"/> is an empty string.</exception>
public static DublinCoreTypeVocabularies TypeVocabularyByName(string name)
{
DublinCoreTypeVocabularies typeVocabulary = DublinCoreTypeVocabularies.None;
Guard.ArgumentNotNullOrEmptyString(name, "name");
foreach (System.Reflection.FieldInfo fieldInfo in typeof(DublinCoreTypeVocabularies).GetFields())
{
if (fieldInfo.FieldType == typeof(DublinCoreTypeVocabularies))
{
DublinCoreTypeVocabularies vocabulary = (DublinCoreTypeVocabularies)Enum.Parse(fieldInfo.FieldType, fieldInfo.Name);
object[] customAttributes = fieldInfo.GetCustomAttributes(typeof(EnumerationMetadataAttribute), false);
if (customAttributes != null && customAttributes.Length > 0)
{
EnumerationMetadataAttribute enumerationMetadata = customAttributes[0] as EnumerationMetadataAttribute;
if (String.Compare(name, enumerationMetadata.AlternateValue, StringComparison.OrdinalIgnoreCase) == 0)
{
typeVocabulary = vocabulary;
break;
}
}
}
}
return(typeVocabulary);
}
/// <summary>
/// Initializes the syndication extension context optional elements using the supplied <see cref="XPathNavigator"/>.
/// </summary>
/// <param name="source">The <b>XPathNavigator</b> used to load this <see cref="DublinCoreElementSetSyndicationExtensionContext"/>.</param>
/// <param name="manager">The <see cref="XmlNamespaceManager"/> object used to resolve prefixed syndication extension elements and attributes.</param>
/// <returns><b>true</b> if the <see cref="DublinCoreElementSetSyndicationExtensionContext"/> was able to be initialized using the supplied <paramref name="source"/>; otherwise <b>false</b>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="source"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="manager"/> is a null reference (Nothing in Visual Basic).</exception>
private bool LoadOptionals(XPathNavigator source, XmlNamespaceManager manager)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasLoaded = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
//------------------------------------------------------------
// Attempt to extract syndication extension information
//------------------------------------------------------------
XPathNavigator coverageNavigator = source.SelectSingleNode("dc:coverage", manager);
XPathNavigator formatNavigator = source.SelectSingleNode("dc:format", manager);
XPathNavigator identifierNavigator = source.SelectSingleNode("dc:identifier", manager);
XPathNavigator relationNavigator = source.SelectSingleNode("dc:relation", manager);
XPathNavigator sourceNavigator = source.SelectSingleNode("dc:source", manager);
XPathNavigator subjectNavigator = source.SelectSingleNode("dc:subject", manager);
XPathNavigator typeNavigator = source.SelectSingleNode("dc:type", manager);
if (coverageNavigator != null && !String.IsNullOrEmpty(coverageNavigator.Value))
{
this.Coverage = coverageNavigator.Value;
wasLoaded = true;
}
if (formatNavigator != null && !String.IsNullOrEmpty(formatNavigator.Value))
{
this.Format = formatNavigator.Value;
wasLoaded = true;
}
if (identifierNavigator != null && !String.IsNullOrEmpty(identifierNavigator.Value))
{
this.Identifier = identifierNavigator.Value;
wasLoaded = true;
}
if (relationNavigator != null && !String.IsNullOrEmpty(relationNavigator.Value))
{
this.Relation = relationNavigator.Value;
wasLoaded = true;
}
if (sourceNavigator != null && !String.IsNullOrEmpty(sourceNavigator.Value))
{
this.Source = sourceNavigator.Value;
wasLoaded = true;
}
if (subjectNavigator != null && !String.IsNullOrEmpty(subjectNavigator.Value))
{
this.Subject = subjectNavigator.Value;
wasLoaded = true;
}
if (typeNavigator != null && !String.IsNullOrEmpty(typeNavigator.Value))
{
DublinCoreTypeVocabularies typeVocabulary = DublinCoreElementSetSyndicationExtension.TypeVocabularyByName(typeNavigator.Value);
if (typeVocabulary != DublinCoreTypeVocabularies.None)
{
this.TypeVocabulary = typeVocabulary;
wasLoaded = true;
}
}
return(wasLoaded);
}
/// <summary>
/// Initializes the syndication extension context optional elements using the supplied <see cref="XPathNavigator"/>.
/// </summary>
/// <param name="source">The <b>XPathNavigator</b> used to load this <see cref="DublinCoreElementSetSyndicationExtensionContext"/>.</param>
/// <param name="manager">The <see cref="XmlNamespaceManager"/> object used to resolve prefixed syndication extension elements and attributes.</param>
/// <returns><b>true</b> if the <see cref="DublinCoreElementSetSyndicationExtensionContext"/> was able to be initialized using the supplied <paramref name="source"/>; otherwise <b>false</b>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="source"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="manager"/> is a null reference (Nothing in Visual Basic).</exception>
private bool LoadOptionals(XPathNavigator source, XmlNamespaceManager manager)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasLoaded = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
//------------------------------------------------------------
// Attempt to extract syndication extension information
//------------------------------------------------------------
XPathNavigator coverageNavigator = source.SelectSingleNode("dc:coverage", manager);
XPathNavigator formatNavigator = source.SelectSingleNode("dc:format", manager);
XPathNavigator identifierNavigator = source.SelectSingleNode("dc:identifier", manager);
XPathNavigator relationNavigator = source.SelectSingleNode("dc:relation", manager);
XPathNavigator sourceNavigator = source.SelectSingleNode("dc:source", manager);
XPathNavigator subjectNavigator = source.SelectSingleNode("dc:subject", manager);
XPathNavigator typeNavigator = source.SelectSingleNode("dc:type", manager);
if (coverageNavigator != null && !String.IsNullOrEmpty(coverageNavigator.Value))
{
this.Coverage = coverageNavigator.Value;
wasLoaded = true;
}
if (formatNavigator != null && !String.IsNullOrEmpty(formatNavigator.Value))
{
this.Format = formatNavigator.Value;
wasLoaded = true;
}
if (identifierNavigator != null && !String.IsNullOrEmpty(identifierNavigator.Value))
{
this.Identifier = identifierNavigator.Value;
wasLoaded = true;
}
if (relationNavigator != null && !String.IsNullOrEmpty(relationNavigator.Value))
{
this.Relation = relationNavigator.Value;
wasLoaded = true;
}
if (sourceNavigator != null && !String.IsNullOrEmpty(sourceNavigator.Value))
{
this.Source = sourceNavigator.Value;
wasLoaded = true;
}
if (subjectNavigator != null && !String.IsNullOrEmpty(subjectNavigator.Value))
{
this.Subject = subjectNavigator.Value;
wasLoaded = true;
}
if (typeNavigator != null && !String.IsNullOrEmpty(typeNavigator.Value))
{
DublinCoreTypeVocabularies typeVocabulary = DublinCoreElementSetSyndicationExtension.TypeVocabularyByName(typeNavigator.Value);
if (typeVocabulary != DublinCoreTypeVocabularies.None)
{
this.TypeVocabulary = typeVocabulary;
wasLoaded = true;
}
}
return wasLoaded;
}
/// <summary>
/// Returns the type vocabulary identifier for the supplied <see cref="DublinCoreTypeVocabularies"/>.
/// </summary>
/// <param name="vocabulary">The <see cref="DublinCoreTypeVocabularies"/> to get the type vocabulary identifier for.</param>
/// <returns>The type vocabulary identifier for the supplied <paramref name="vocabulary"/>, otherwise returns an empty string.</returns>
public static string TypeVocabularyAsString(DublinCoreTypeVocabularies vocabulary)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
string name = String.Empty;
//------------------------------------------------------------
// Return alternate value based on supplied protocol
//------------------------------------------------------------
foreach (System.Reflection.FieldInfo fieldInfo in typeof(DublinCoreTypeVocabularies).GetFields())
{
if (fieldInfo.FieldType == typeof(DublinCoreTypeVocabularies))
{
DublinCoreTypeVocabularies typeVocabulary = (DublinCoreTypeVocabularies)Enum.Parse(fieldInfo.FieldType, fieldInfo.Name);
if (typeVocabulary == vocabulary)
{
object[] customAttributes = fieldInfo.GetCustomAttributes(typeof(EnumerationMetadataAttribute), false);
if (customAttributes != null && customAttributes.Length > 0)
{
EnumerationMetadataAttribute enumerationMetadata = customAttributes[0] as EnumerationMetadataAttribute;
name = enumerationMetadata.AlternateValue;
break;
}
}
}
}
return name;
}
