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Class PlugInLocator

Handles all internal locating of plugins.

Inheritance
System.Object
PlugInLocator
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: EPiServer.PlugIn
Assembly: EPiServer.dll
Version: 11.20.7
Syntax
public class PlugInLocator
Remarks

Used to find all plug-ins for a specific PlugInAttribute. The System.Attribute.Match(System.Object) method will be called to test if a class is a match.

If you already know the type of plug-in you wish to locate use Load(Int32).

Properties

Assemblies

Gets the assemblies that are scanned for plugins.

Declaration
public static IDictionary Assemblies { get; }
Property Value
Type Description
System.Collections.IDictionary

A dictionary with the assembly display name as key and the AssemblyTypeInfo as value.

Methods

FindPlugInAssemblies()

Finds all assemblies that contain plugins in the specified directory

Declaration
public static AssemblyName[] FindPlugInAssemblies()
Returns
Type Description
System.Reflection.AssemblyName[]

A array of plugins. If no plugins was found a empty array will be returned.

FindPlugInAttributes()

Finds all plugin attributes in the specified directory

Declaration
public static Type[] FindPlugInAttributes()
Returns
Type Description
System.Type[]

A array of plugin attributes. If no plugins was found a empty array will be returned.

FindPlugInTypes(AssemblyTypeInfo, Type)

Finds all plugins of the specified type in the specified assembly

Declaration
public static ICollection FindPlugInTypes(AssemblyTypeInfo assemblyType, Type pluginType)
Parameters
Type Name Description
AssemblyTypeInfo assemblyType

The assembly to search in

System.Type pluginType

The type to be used

Returns
Type Description
System.Collections.ICollection

An ICollection with PlugInDescriptors.

FindPlugInTypes(AssemblyName, Type)

Finds all plugins of the specified type in the specified assembly

Declaration
public static PlugInDescriptor[] FindPlugInTypes(AssemblyName assemblyName, Type pluginType)
Parameters
Type Name Description
System.Reflection.AssemblyName assemblyName

The assembly search in

System.Type pluginType

The type to be used

Returns
Type Description
PlugInDescriptor[]

A array of plugins. If no plugins was found a empty array will be returned.

FindPlugInTypes(Type)

Finds all plugins of the specified type

Declaration
public static PlugInDescriptor[] FindPlugInTypes(Type pluginType)
Parameters
Type Name Description
System.Type pluginType

The type to be used

Returns
Type Description
PlugInDescriptor[]

A array of plugins. If no plugins was found a empty array will be returned.

HasPlugIns(Type)

Determines whether the type has any plugin attributes.

Declaration
public static bool HasPlugIns(Type type)
Parameters
Type Name Description
System.Type type

The type to check for attributes.

Returns
Type Description
System.Boolean

true if the specified type has plugin attributes; otherwise, false.

Search(PlugInAttribute)

Search for plugins

Declaration
public static PlugInDescriptor[] Search(PlugInAttribute matchAttribute)
Parameters
Type Name Description
PlugInAttribute matchAttribute

The attribute to used for matching by calling System.Attribute.Match(System.Object)

Returns
Type Description
PlugInDescriptor[]

A array of plugins. If no plugins was found a empty array will be returned.

Search(AssemblyName, PlugInAttribute)

Search for plugins

Declaration
public static PlugInDescriptor[] Search(AssemblyName assemblyName, PlugInAttribute matchAttribute)
Parameters
Type Name Description
System.Reflection.AssemblyName assemblyName

The assembly to search in

PlugInAttribute matchAttribute

The attribute to used for matching by calling System.Attribute.Match(System.Object)

Returns
Type Description
PlugInDescriptor[]

A array of plugins. If no plugins was found a empty array will be returned.

Extension Methods