Class ReflectionUtil

Summary description for ReflectionUtil2.

Inheritance

System.Object

ReflectionUtil

Namespace: ImageVault.Common.Lib.Reflection

Assembly: ImageVault.Common.dll

Syntax

public static class ReflectionUtil : Object

Remarks

2011-02-16 dan: Created

Methods

ConvertValueFromNullable(Object)

Converts a value from a System.Nullable<> value

Declaration

public static object ConvertValueFromNullable(object value)

Parameters

Type	Name	Description
System.Object	value	The value to convert

Returns

Type	Description
System.Object	The converted value or if the value is not a System.Nullable<>, the original value.

DumpStackTrace()

Dumps the current stack trace

Declaration

public static string DumpStackTrace()

Returns

Type	Description
System.String

DumpStackTrace(String, Boolean, Func<StackFrame, Boolean>)

Gets the stacktrace from the outermost occurrence of the supplied namespace prefix

Declaration

public static string DumpStackTrace(string namespacePrefix, bool reverse = false, Func<StackFrame, bool> filter = null)

Parameters

Type	Name	Description
System.String	namespacePrefix
System.Boolean	reverse	If stack trace should be printed reverse, beginning with originating frame and ending with current frame
System.Func<System.Diagnostics.StackFrame, System.Boolean>	filter	Filter to use for filtering out different frames. Return true to keep frame, false to remove

Returns

Type	Description
System.String

FindAllConcreteImplementations(Assembly, Type, Type[])

Iterates all types in the assembly and returns a dictionary containing of all interfaces and concrete implementations inheriting from the baseInterface

Declaration

public static Dictionary<Type, List<Type>> FindAllConcreteImplementations(Assembly assembly, Type baseInterface, params Type[] interfaceTypesToIgnore)

Parameters

Type	Name	Description
System.Reflection.Assembly	assembly	The System.Reflection.Assembly to search in
System.Type	baseInterface	The System.Type of the interface
System.Type[]	interfaceTypesToIgnore	The optional list of interfaces that should be ignored

Returns

Type	Description
System.Collections.Generic.Dictionary<System.Type, System.Collections.Generic.List<System.Type>>

Remarks

Will only find interfaces that implements the baseInterface and their concrete implementations

FindAllConcreteImplementations<T>(Assembly)

Find all concrete subclasses of the supplied type

Declaration

public static IEnumerable<Type> FindAllConcreteImplementations<T>(Assembly assembly)

Parameters

Type	Name	Description
System.Reflection.Assembly	assembly	The assembly to look in

Returns

Type	Description
System.Collections.Generic.IEnumerable<System.Type>

Type Parameters

Name	Description
T	Base type that the class must implement

GetAttribute(MemberInfo, Type)

Gets the attribute from the supplied memberinfo that is of the supplied attribute type.

Declaration

public static Attribute GetAttribute(MemberInfo memberInfo, Type attributeType)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	memberInfo	The memberinfo to get the attribute from
System.Type	attributeType	The type of attribute to get, if null type of attribute is irrelevant.

Returns

Type	Description
System.Attribute	The first attribute of the matching type

Remarks

This will only search the supplied memberInfo, not inherited ones.

Exceptions

Type	Condition
MemberReflectionException	If the member has more than one instance of the attribute.

GetAttribute(MemberInfo, Type, Boolean)

Gets the attribute from the supplied memberinfo that is of the supplied attribute type.

Declaration

public static Attribute GetAttribute(MemberInfo memberInfo, Type attributeType, bool inherit)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	memberInfo	The memberinfo to get the attribute from
System.Type	attributeType	The type of attribute to get, if null type of attribute is irrelevant.
System.Boolean	inherit	If the types inheritance chain should be searched for attributes

Returns

Type	Description
System.Attribute	The first attribute of the matching type

Exceptions

Type	Condition
MemberReflectionException	If the member has more than one instance of the attribute.

GetAttribute<TAttribute>(MemberInfo)

Gets the attribute from the supplied memberinfo that is of the supplied attribute type.

Declaration

public static TAttribute GetAttribute<TAttribute>(MemberInfo memberInfo)
    where TAttribute : Attribute

Parameters

Type	Name	Description
System.Reflection.MemberInfo	memberInfo	The memberinfo to get the attribute from

Returns

Type	Description
TAttribute	The first attribute of the matching type

Type Parameters

Name	Description
TAttribute	The type of attribute to get

GetAttribute<TAttribute>(MemberInfo, Boolean)

Gets the attribute from the supplied memberinfo that is of the supplied attribute type.

Declaration

public static TAttribute GetAttribute<TAttribute>(MemberInfo memberInfo, bool inherit)
    where TAttribute : Attribute

Parameters

Type	Name	Description
System.Reflection.MemberInfo	memberInfo	The memberinfo to get the attribute from
System.Boolean	inherit	If the types inheritance chain should be searched for attributes

Returns

Type	Description
TAttribute	The first attribute of the matching type

Type Parameters

Name	Description
TAttribute	The type of attribute to get

GetAttributes(MemberInfo)

Gets the attributes from the supplied type that is of the supplied attribute type.

Declaration

public static Attribute[] GetAttributes(MemberInfo memberInfo)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	memberInfo	The memberinfo to get the attributes from

Returns

Type	Description
System.Attribute[]	An array of attributes

GetAttributes(MemberInfo, Boolean)

Gets the attributes from the supplied type that is of the supplied attribute type.

Declaration

public static Attribute[] GetAttributes(MemberInfo memberInfo, bool inherit)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	memberInfo	The memberinfo to get the attributes from
System.Boolean	inherit	If the types inheritance chain should be searched for attributes

Returns

Type	Description
System.Attribute[]	An array of attributes

GetAttributes(MemberInfo, Type)

Gets the attributes from the supplied type that is of the supplied attribute type.

Declaration

public static Attribute[] GetAttributes(MemberInfo memberInfo, Type attributeType)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	memberInfo	The memberinfo to get the attributes from
System.Type	attributeType	The type of attribute to get, if null type of attribute is irrelevant.

Returns

Type	Description
System.Attribute[]	An array of attributes

Remarks

This will only search the supplied memberInfo, not inherited ones.

GetAttributes(MemberInfo, Type, Boolean)

Gets the attributes from the supplied type that is of the supplied attribute type.

Declaration

public static Attribute[] GetAttributes(MemberInfo memberInfo, Type attributeType, bool inherit)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	memberInfo	The memberinfo to get the attributes from
System.Type	attributeType	The type of attribute to get, if null type of attribute is irrelevant.
System.Boolean	inherit	If the types inheritance chain should be searched for attributes

Returns

Type	Description
System.Attribute[]	An array of attributes

GetAttributes<TAttribute>(MemberInfo, Boolean)

Gets the attributes from the supplied type that is of the supplied attribute type.

Declaration

public static TAttribute[] GetAttributes<TAttribute>(MemberInfo memberInfo, bool inherit)
    where TAttribute : Attribute

Parameters

Type	Name	Description
System.Reflection.MemberInfo	memberInfo	The memberinfo to get the attributes from
System.Boolean	inherit	If the types inheritance chain should be searched for attributes

Returns

Type	Description
TAttribute[]	An array of attributes

Type Parameters

Name	Description
TAttribute	The type of attribute to get

GetCalleeAssembly()

Gets the assembly of the class that called the assembly of the method that calls this method. :)

Declaration

public static Assembly GetCalleeAssembly()

Returns

Type	Description
System.Reflection.Assembly	The System.Reflection.Assembly of the method that called the assembly of the method that we call this method fromor null if the call started from the calling assembly

GetCallerTypeMethodFullName(Type)

Gets the full name of the caller types method

Declaration

public static string GetCallerTypeMethodFullName(Type boundaryType = null)

Parameters

Type	Name	Description
System.Type	boundaryType

Returns

Type	Description
System.String	The methods full name on the format returnType methodName(parameters)

GetDefaultValue(Type)

Gets the default uninitialized value of the specific type.

Declaration

public static object GetDefaultValue(Type type)

Parameters

Type	Name	Description
System.Type	type	The System.Type to get the value for

Returns

Type	Description
System.Object	The default value of the specified type

Remarks

The default value is for reference types null, and for value types it's the same as the call to the default constructor.

GetDerivedTypes(Assembly, Type)

Gets all types from the assembly that is directly or indirectly derived from the supplied baseType

Declaration

public static IList<Type> GetDerivedTypes(Assembly assembly, Type baseType)

Parameters

Type	Name	Description
System.Reflection.Assembly	assembly	The assembly to search
System.Type	baseType	the baseType to use as a reference

Returns

Type	Description
System.Collections.Generic.IList<System.Type>	An array of derived types in the assembly

GetDerivedTypes(Type)

Gets all types that is directly or indirectly derived from the supplied baseType in the basetypes assembly.

Declaration

public static IList<Type> GetDerivedTypes(Type baseType)

Parameters

Type	Name	Description
System.Type	baseType	the baseType to use as a reference

Returns

Type	Description
System.Collections.Generic.IList<System.Type>	An array of derived types in the assembly

GetField(Type, String, Object)

Gets the field from the instance

Declaration

public static object GetField(Type type, string name, object instance)

Parameters

Type	Name	Description
System.Type	type	The System.Type that contains the field
System.String	name	The name of the field
System.Object	instance	The instance to get the value from

Returns

Type	Description
System.Object	The value of the field

GetMemberInfoType(MemberInfo)

Finds the Type of the supplied System.Reflection.MemberInfo

Declaration

public static Type GetMemberInfoType(MemberInfo info)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	info	The System.Reflection.MemberInfo to get the type for (can be a System.Reflection.FieldInfo or a System.Reflection.PropertyInfo

Returns

Type	Description
System.Type	The found System.Type

Exceptions

Type	Condition
System.Exception	If cannot get the Type from the supplied memberInfo.

GetMethodFullName()

Gets the full name of the calling method. for instance,

string ImageVault.Common.Lib.Reflection.ReflectionUtil.GetMethodFullName()

Declaration

public static string GetMethodFullName()

Returns

Type	Description
System.String	The methods full name on the format returnType methodName(parameters)

GetNullableValueType(Type)

Gets the nullable type if the supplied type is a nullable

Declaration

public static Type GetNullableValueType(Type type)

Parameters

Type	Name	Description
System.Type	type	The System.Type to check for nullable

Returns

Type	Description
System.Type	The underlying type if the supplied type is a System.Nullable<>; otherwize the supplied type is returned.

GetOriginatingCallerTypeMethodFullName(String)

Gets the full name of the originating caller type method

Declaration

public static string GetOriginatingCallerTypeMethodFullName(string namespacePrefix)

Parameters

Type	Name	Description
System.String	namespacePrefix

Returns

Type	Description
System.String

GetProperty(Type, String, Object)

Gets the property from the instance

Declaration

public static object GetProperty(Type type, string name, object instance)

Parameters

Type	Name	Description
System.Type	type	The System.Type that contains the property
System.String	name	The name of the property
System.Object	instance	The instance to get the value from

Returns

Type	Description
System.Object	The value of the property

GetPropertyInfo(Type, String)

Gets the System.Reflection.PropertyInfo that matches the name in the type

Declaration

public static PropertyInfo GetPropertyInfo(Type type, string name)

Parameters

Type	Name	Description
System.Type	type	The System.Type to search for the property in
System.String	name	The name of the property

Returns

Type	Description
System.Reflection.PropertyInfo	The found System.Reflection.PropertyInfo or null if no match was found.

Remarks

If we find multiple properties with the same name in the object (inherited and declared with new), we will get the topmost PropertyInfo in the inheritance chain

Exceptions

Type	Condition
System.ArgumentNullException	If type is null or if name is null.

GetTypes(Assembly)

Gets the loadable types from the assembly

Declaration

public static Type[] GetTypes(Assembly assembly)

Parameters

Type	Name	Description
System.Reflection.Assembly	assembly	The System.Reflection.Assembly to load the types from.

Returns

Type	Description
System.Type[]	An System.Type array of the loadable types in the assembly.

InvokeMember(Type, String, Object, BindingFlags, Object[])

Invokes the member

Declaration

public static object InvokeMember(Type type, string name, object instance, BindingFlags flags, params object[] parameters)

Parameters

Type	Name	Description
System.Type	type	The System.Type that contains the member
System.String	name	The name of the member
System.Object	instance	The instance to invoke on
System.Reflection.BindingFlags	flags	The System.Reflection.BindingFlags to use
System.Object[]	parameters	The System.Object array to pass as parameters

Returns

Type	Description
System.Object	The returnvalue

InvokeMethod(Type, String, Object, Object[])

Invokes the method of the type.

Declaration

public static object InvokeMethod(Type type, string name, object instance, params object[] parameters)

Parameters

Type	Name	Description
System.Type	type	The System.Type that contains the method
System.String	name	The name of the method to invoke
System.Object	instance	The instance to invoke the method on
System.Object[]	parameters	The parameters to pass to the method

Returns

Type	Description
System.Object	The returnvalue from the method call

InvokeStaticMethod(Type, String, Object[])

Invokes the static method of the type.

Declaration

public static object InvokeStaticMethod(Type type, string name, params object[] parameters)

Parameters

Type	Name	Description
System.Type	type	The System.Type that contains the method
System.String	name	The name of the method to invoke
System.Object[]	parameters	The parameters to pass to the method

Returns

Type	Description
System.Object	The returnvalue from the method call

IsNonPrimitiveStruct(Type)

Checks if the supplied type is a Struct (primitives are ignored)

Declaration

public static bool IsNonPrimitiveStruct(Type type)

Parameters

Type	Name	Description
System.Type	type	The type to check

Returns

Type	Description
System.Boolean	True if it is struct, otherwise false. Primitives (Int32, Single etc) are not passed.

Exceptions

Type	Condition
System.ArgumentNullException	If type is null.

IsNullable(Type)

Checks if the supplied type is a System.Nullable<>

Declaration

public static bool IsNullable(Type type)

Parameters

Type	Name	Description
System.Type	type	The System.Type to check

Returns

Type	Description
System.Boolean	True if it is System.Nullable<>, otherwise false.

LookupType(String, Type)

Looks up the typename and finds a corresponding type

Declaration

public static IList<Type> LookupType(string typeName, Type baseType)

Parameters

Type	Name	Description
System.String	typeName	The name of the type to find
System.Type	baseType	The System.Type that the type inherits from

Returns

Type	Description
System.Collections.Generic.IList<System.Type>	The System.Collections.Generic.IList<> of types that matches

LookupType(String, Type, Assembly)

Looks up the typename and finds a corresponding type

Declaration

public static IList<Type> LookupType(string typeName, Type baseType, Assembly assembly)

Parameters

Type	Name	Description
System.String	typeName	The name of the type to find
System.Type	baseType	The System.Type that the type inherits from
System.Reflection.Assembly	assembly	The System.Reflection.Assembly to search in

Returns

Type	Description
System.Collections.Generic.IList<System.Type>	The System.Collections.Generic.IList<> of types that matches

ResolvePath(Object, IEnumerable<String>)

Resolves the supplied property path from the supplied value

Declaration

public static object ResolvePath(object val, IEnumerable<string> path)

Parameters

Type	Name	Description
System.Object	val
System.Collections.Generic.IEnumerable<System.String>	path

Returns

Type	Description
System.Object

SetField(Type, String, Object, Object)

Sets the field in the instance

Declaration

public static object SetField(Type type, string name, object instance, object value)

Parameters

Type	Name	Description
System.Type	type	The System.Type that contains the field
System.String	name	The name of the field
System.Object	instance	The instance to set the value to
System.Object	value	The value to set

Returns

Type	Description
System.Object	null

SetProperty(Type, String, Object, Object)

Sets the property in the instance

Declaration

public static object SetProperty(Type type, string name, object instance, object value)

Parameters

Type	Name	Description
System.Type	type	The System.Type that contains the property
System.String	name	The name of the property
System.Object	instance	The instance to set the value to
System.Object	value	The value to set

Returns

Type	Description
System.Object	null