Class Extensions

Provides various extension methods useful for working with XML and the Colectica model.

Inheritance

System.Object

Extensions

Namespace: Algenta.Colectica.Model.Utility

Assembly: Algenta.Colectica.Model.dll

Syntax

public static class Extensions : object

Methods

CartesianProduct<T>(IEnumerable<IEnumerable<T>>)

Calculates the cartesian product of a list of lists.

Declaration

public static IEnumerable<IEnumerable<T>> CartesianProduct<T>(this IEnumerable<IEnumerable<T>> sequences)

Parameters

Type	Name	Description
IEnumerable<IEnumerable<T>>	sequences

Returns

Type	Description
IEnumerable<IEnumerable<T>>	The cartesian product of the lists.

Type Parameters

Name	Description
T

Remarks

See http://ericlippert.com/2010/06/28/computing-a-cartesian-product-with-linq/

ElementOrDefault(XElement, XName)

Returns the element with the specified name.

Declaration

public static XElement ElementOrDefault(this XElement element, XName name)

Parameters

Type	Name	Description
XElement	element	The element under which elements will be searched.
XName	name	The name of the element to find.

Returns

Type	Description
XElement

FindXPath(XElement)

Finds the XPath of the element within its document.

Declaration

public static string FindXPath(this XElement element)

Parameters

Type	Name	Description
XElement	element	The element for which the XPath is found.

Returns

Type	Description
System.String

FindXPath(XmlNode)

Finds the XPath of the node within its document.

Declaration

public static string FindXPath(this XmlNode node)

Parameters

Type	Name	Description
XmlNode	node	The node for which the XPath is found.

Returns

Type	Description
System.String

FromBase64(String)

Converts a string from Base64.

Declaration

public static string FromBase64(this string str)

Parameters

Type	Name	Description
System.String	str	The string.

Returns

Type	Description
System.String	A regular string.

FromJson(MultilingualString, String)

Populates a MultilingualString from a JSON representation.

Declaration

public static void FromJson(this MultilingualString item, string json)

Parameters

Type	Name	Description
MultilingualString	item	The item to be populated.
System.String	json	The JSON representation of the item.

GetAggregateMessage(AggregateException)

Returns the text of all messages found in an AggregateException.

Declaration

public static string GetAggregateMessage(this AggregateException ex)

Parameters

Type	Name	Description
AggregateException	ex

Returns

Type	Description
System.String

GetBestCulture(MultilingualString, List<String>)

Returns the current multilingual string culture if a value exists, or returns the first culture with a value based on the language sort order

Declaration

public static string GetBestCulture(this MultilingualString mls, List<string> languageSortOrder)

Parameters

Type	Name	Description
MultilingualString	mls
List<System.String>	languageSortOrder

Returns

Type	Description
System.String

GetBestString(MultilingualString, List<String>, String)

Gets the string for the first language that has content.

Declaration

public static string GetBestString(this MultilingualString mls, List<string> languageSortOrder, string defaultText)

Parameters

Type	Name	Description
MultilingualString	mls	The MultilingualString from which a single string will be returned.
List<System.String>	languageSortOrder	The language sort order.
System.String	defaultText	The default text, in case the MultilingualString contains no content.

Returns

Type	Description
System.String

GetXhtmlElement(String)

Converts the string to an XHTML XML element. If the string cannot be converted, the method returns null.

Declaration

public static XElement GetXhtmlElement(this string str)

Parameters

Type	Name	Description
System.String	str	The string.

Returns

Type	Description
XElement	An XML element if the string can be converted to XHTML; otherwise null.

IndexPosition(XElement)

Get the index of the given XElement relative to its siblings with identical names. If the given element is the root, -1 is returned.

Declaration

public static int IndexPosition(this XElement element)

Parameters

Type	Name	Description
XElement	element	The element to get the index of.

Returns

Type	Description
System.Int32

IsStringLikelyXml(String)

Determines whether a string is likely XML.

Declaration

public static bool IsStringLikelyXml(this string str)

Parameters

Type	Name	Description
System.String	str	The string.

Returns

Type	Description
System.Boolean	true if the string starts and ends with angle brackets; otherwise false.

LogException(Exception)

Logs an exception, including all its inner exceptions.

Declaration

public static void LogException(Exception ex)

Parameters

Type	Name	Description
Exception	ex

Merge<T>(ICollection<T>, IEnumerable<T>)

Merges two collections.

Declaration

public static void Merge<T>(this ICollection<T> first, IEnumerable<T> second)

Parameters

Type	Name	Description
ICollection<T>	first	The first, into which the second collection is merged.
IEnumerable<T>	second	The second collection, which is merged into the first collection.

Type Parameters

Name	Description
T	The type of items in the collections.

OuterXml(XElement)

Gets a string with the XML of the element.

Declaration

public static string OuterXml(this XElement el)

Parameters

Type	Name	Description
XElement	el	The element.

Returns

Type	Description
System.String	A string of XML.

ReplaceChild<T>(IList<T>, IdentifierTriple, IVersionable)

Replaces the specified child in the provided list.

Declaration

public static int ReplaceChild<T>(this IList<T> items, IdentifierTriple toReplace, IVersionable child)where T : class, IVersionable

Parameters

Type	Name	Description
IList<T>	items	The list of items in which the child will be replaced.
IdentifierTriple	toReplace	The identifier of the item to be replaced.
IVersionable	child	The new child.

Returns

Type	Description
System.Int32

Type Parameters

Name	Description
T	The type of the child to be replaced.

Sort(IEnumerable<RepositoryItemMetadata>)

Sorts the specified list of item descriptions by item type, agency, identifier, and version.

Declaration

public static IEnumerable<RepositoryItemMetadata> Sort(this IEnumerable<RepositoryItemMetadata> value)

Parameters

Type	Name	Description
IEnumerable<RepositoryItemMetadata>	value	The list of item descriptions to be sorted.

Returns

Type	Description
IEnumerable<RepositoryItemMetadata>

ToBase64(String)

Converts the string to Base64.

Declaration

public static string ToBase64(this string str)

Parameters

Type	Name	Description
System.String	str	The string.

Returns

Type	Description
System.String	A Base64 string.

ToChunks<T>(Collection<T>, Int32)

Converts a list into multiple lists, each with the specified number of items.

Declaration

public static IEnumerable<IEnumerable<T>> ToChunks<T>(this Collection<T> enumerable, int chunkSize)

Parameters

Type	Name	Description
Collection<T>	enumerable	The list that will be converted into multiple lists.
System.Int32	chunkSize	The size of each of the newly created lists.

Returns

Type	Description
IEnumerable<IEnumerable<T>>	An enumeration of lists.

Type Parameters

Name	Description
T	The type of item contained in the list.

ToCollection(IEnumerable<IVersionable>)

Converts an enumeration of IVersionable objects to a Collection.

Declaration

public static Collection<IVersionable> ToCollection(this IEnumerable<IVersionable> items)

Parameters

Type	Name	Description
IEnumerable<IVersionable>	items	The items.

Returns

Type	Description
Collection<IVersionable>

ToEnum<T>(String)

Converts a string to a value from an enumeration.

Declaration

public static T ToEnum<T>(this string value)

Parameters

Type	Name	Description
System.String	value	The string to be converted.

Returns

Type	Description
T	The enumeration value

Type Parameters

Name	Description
T	The type of the enumeration

ToIdentifierCollection(IEnumerable<IVersionable>)

Converts a list of IVersionable items to a list of identifiers.

Declaration

public static Collection<IdentifierTriple> ToIdentifierCollection(this IEnumerable<IVersionable> items)

Parameters

Type	Name	Description
IEnumerable<IVersionable>	items	The items.

Returns

Type	Description
Collection<IdentifierTriple>	The list of identifiers.

ToIdentifierCollection(IEnumerable<IdentifierTriple>)

Converts an enumeration of IdentifierTriple objects to a collection of IdentifierTriple objects.

Declaration

public static Collection<IdentifierTriple> ToIdentifierCollection(this IEnumerable<IdentifierTriple> identifiers)

Parameters

Type	Name	Description
IEnumerable<IdentifierTriple>	identifiers	The identifiers to convert.

Returns

Type	Description
Collection<IdentifierTriple>	A collection of IdentifierTriple objects.

ToIdentifierCollection(IEnumerable<TypedIdTriple>)

Converts a list of TypedIdTriple items to a list of IdentifierTriple items.

Declaration

public static Collection<IdentifierTriple> ToIdentifierCollection(this IEnumerable<TypedIdTriple> typedIdentifiers)

Parameters

Type	Name	Description
IEnumerable<TypedIdTriple>	typedIdentifiers	The typed identifiers.

Returns

Type	Description
Collection<IdentifierTriple>	The list of IdentifierTriple items.

ToIdentifierHashSet(Collection<IdentifierTriple>)

Converts a collection of IdentifierTriple objects to a HashSet.

Declaration

public static HashSet<IdentifierTriple> ToIdentifierHashSet(this Collection<IdentifierTriple> identifiers)

Parameters

Type	Name	Description
Collection<IdentifierTriple>	identifiers	The identifiers.

Returns

Type	Description
HashSet<IdentifierTriple>

ToIdentifierHashSet(Collection<TypedIdTriple>)

Converts a collection of TypedIdTriple objects to a HashSet.

Declaration

public static HashSet<IdentifierTriple> ToIdentifierHashSet(this Collection<TypedIdTriple> typedIdentifiers)

Parameters

Type	Name	Description
Collection<TypedIdTriple>	typedIdentifiers	The typed identifiers.

Returns

Type	Description
HashSet<IdentifierTriple>

ToJson(MultilingualString)

Converst a MultilingualString to a JSON representation.

Declaration

public static string ToJson(this MultilingualString item)

Parameters

Type	Name	Description
MultilingualString	item	The item to be converted to JSON.

Returns

Type	Description
System.String	A JSON string.

ToTypedIdentifierCollection(IEnumerable<TypedIdTriple>)

Converts an enumeration of TypedIdTriple objects to a collection.

Declaration

public static Collection<TypedIdTriple> ToTypedIdentifierCollection(this IEnumerable<TypedIdTriple> typedIdentifiers)

Parameters

Type	Name	Description
IEnumerable<TypedIdTriple>	typedIdentifiers	The typed identifiers.

Returns

Type	Description
Collection<TypedIdTriple>

Yield<T>(T)

Wraps this object instance into an IEnumerable<T> consisting of a single item.

Declaration

public static IEnumerable<T> Yield<T>(this T item)

Parameters

Type	Name	Description
T	item	The object to wrap.

Returns

Type	Description
IEnumerable<T>	An IEnumerable<T> consisting of a single item.

Type Parameters

Name	Description
T	Type of the wrapped object.