net.lenni0451.reflect

Class Constructors

java.lang.Object

net.lenni0451.reflect.Constructors

public class Constructors
extends java.lang.Object

This class contains some useful methods for working with constructors.

Constructor Summary

Constructors

Constructor and Description
Constructors()

Method Summary

Modifier and Type	Method and Description
static <T> java.lang.reflect.Constructor<T>	getDeclaredConstructor(java.lang.Class<T> clazz, java.lang.Class<?>... parameterTypes) Get a declared constructor of a class by its parameter types.
static <T> java.lang.reflect.Constructor<T>[]	getDeclaredConstructors(java.lang.Class<T> clazz) Get all declared constructors of a class.
static <T> T	invoke(java.lang.reflect.Constructor<T> constructor, java.lang.Object... args) Invoke a constructor without any checks.

Methods inherited from class java.lang.Object

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

Constructor Detail

Constructors

public Constructors()

Method Detail

getDeclaredConstructors

public static <T> java.lang.reflect.Constructor<T>[] getDeclaredConstructors(java.lang.Class<T> clazz)

Get all declared constructors of a class.
The reflection filter of the class will be ignored.
An empty array will be returned if the method could not be invoked.

Type Parameters:

T - The type of the class

Parameters:

clazz - The class to get the constructors from

Returns:

An array of all declared constructors of the class

getDeclaredConstructor

@Nullable
public static <T> java.lang.reflect.Constructor<T> getDeclaredConstructor(java.lang.Class<T> clazz,
                                                                                     java.lang.Class<?>... parameterTypes)

Get a declared constructor of a class by its parameter types.
The reflection filter of the class will be ignored.

Type Parameters:

T - The type of the class

Parameters:

clazz - The class to get the constructor from

parameterTypes - The parameter types of the constructor

Returns:

The constructor or null if it doesn't exist

invoke

public static <T> T invoke(java.lang.reflect.Constructor<T> constructor,
                           java.lang.Object... args)

Invoke a constructor without any checks.
The constructor does not have to be accessible.

Type Parameters:

T - The type of the class

Parameters:

constructor - The constructor to invoke

args - The arguments to pass to the constructor

Returns:

The instance of the class