org.ldaptive.beans.reflect

Class ReflectionUtils

java.lang.Object

org.ldaptive.beans.reflect.ReflectionUtils

public final class ReflectionUtils
extends java.lang.Object

Provides utility methods for common reflection operations.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ReflectionUtils() Default constructor.

Method Summary

Modifier and Type	Method and Description
static java.lang.Class<?>	classFromType(java.lang.reflect.Type t) Casts the supplied type to a class.
static java.lang.Object	getField(java.lang.reflect.Field field, java.lang.Object object) Returns the value of the supplied field on the supplied object.
static java.lang.Object	invokeGetterMethod(java.lang.reflect.Method method, java.lang.Object object) Invokes the supplied method on the supplied object.
static void	invokeSetterMethod(java.lang.reflect.Method method, java.lang.Object object, java.lang.Object value) Invokes the supplied method on the supplied object with the supplied value as a parameter.
static void	setField(java.lang.reflect.Field field, java.lang.Object object, java.lang.Object value) Sets the supplied value of the supplied field on the supplied object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReflectionUtils

private ReflectionUtils()

Default constructor.

Method Detail

classFromType

public static java.lang.Class<?> classFromType(java.lang.reflect.Type t)

Casts the supplied type to a class.

Parameters:

t - to cast

Returns:

class cast from t

Throws:

java.lang.IllegalArgumentException - if t is not an instance of Class

getField

public static java.lang.Object getField(java.lang.reflect.Field field,
                                        java.lang.Object object)

Returns the value of the supplied field on the supplied object.

Parameters:

field - containing the value to return

object - that has the field

Returns:

value of the field on the object

Throws:

java.lang.IllegalArgumentException - if the field cannot be retrieved

setField

public static void setField(java.lang.reflect.Field field,
                            java.lang.Object object,
                            java.lang.Object value)

Sets the supplied value of the supplied field on the supplied object.

Parameters:

field - of the object to set

object - that has the field

value - to set

Throws:

java.lang.IllegalArgumentException - if the field cannot be set

invokeGetterMethod

public static java.lang.Object invokeGetterMethod(java.lang.reflect.Method method,
                                                  java.lang.Object object)

Invokes the supplied method on the supplied object.

Parameters:

method - to invoke

object - that has the method

Returns:

value of the invoked method

Throws:

java.lang.IllegalArgumentException - if the method cannot be invoked

invokeSetterMethod

public static void invokeSetterMethod(java.lang.reflect.Method method,
                                      java.lang.Object object,
                                      java.lang.Object value)

Invokes the supplied method on the supplied object with the supplied value as a parameter.

Parameters:

method - to invoke

object - that has the method

value - to set

Throws:

java.lang.IllegalArgumentException - if the method cannot be invoked