Apache Commons Collections 4.4 · org.apache.commons.collections4.functors.InstantiateFactory

Factory implementation that creates a new object instance by reflection.

Warning

from v4.1 onwards this class will not be serializable anymore in order to prevent potential remote code execution exploits. Please refer to COLLECTIONS-580 for more details.

Field Summary

Modifier and Type	Field and Description
private final Object[]	iArgs The constructor arguments
private final Class<T>	iClassToInstantiate The class to create
private transient Constructor<T>	iConstructor The constructor
private final Class<?>[]	iParamTypes The constructor parameter types

Constructor Summary

Access	Constructor and Description
public	InstantiateFactory(final Class<T> the class to instantiate classToInstantiate) Constructor that performs no validation.
public	InstantiateFactory(final Class<T> the class to instantiate classToInstantiate, final Class<?>[] the constructor parameter types, cloned paramTypes, final Object[] the constructor arguments, cloned args) Constructor that performs no validation.

Method Summary

Modifier and Type	Method and Description
public T	Returns: the new object create() Implements org.apache.commons.collections4.Factory.create. Creates an object using the stored constructor.
private void	findConstructor() Find the Constructor for the class specified.
public static < the type the factory creates T> Factory<T>	Returns: a new instantiate factory instantiateFactory(final Class<T> the class to instantiate, not null classToInstantiate, final Class<?>[] the constructor parameter types, cloned paramTypes, final Object[] the constructor arguments, cloned args) Factory method that performs validation.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

iArgs	back to summary
private final Object[] iArgs The constructor arguments

iClassToInstantiate	back to summary
private final Class<T> iClassToInstantiate The class to create

iConstructor	back to summary
private transient Constructor<T> iConstructor The constructor

iParamTypes	back to summary
private final Class<?>[] iParamTypes The constructor parameter types

Constructor Detail

InstantiateFactory back to summary

InstantiateFactory	back to summary
public InstantiateFactory(final Class<T> classToInstantiate) Constructor that performs no validation. Use `instantiateFactory` if you want that. Parameters classToInstantiate:Class<T> the class to instantiate

public InstantiateFactory(final Class<T> classToInstantiate)

Constructor that performs no validation. Use instantiateFactory if you want that.

Parameters

classToInstantiate:Class<T>: the class to instantiate

InstantiateFactory back to summary

InstantiateFactory	back to summary
public InstantiateFactory(final Class<T> classToInstantiate, final Class<?>[] paramTypes, final Object[] args) Constructor that performs no validation. Use `instantiateFactory` if you want that. Parameters classToInstantiate:Class<T> the class to instantiate paramTypes:Class<?>[] the constructor parameter types, cloned args:Object[] the constructor arguments, cloned

public InstantiateFactory(final Class<T> classToInstantiate, final Class<?>[] paramTypes, final Object[] args)

Constructor that performs no validation. Use instantiateFactory if you want that.

Parameters

classToInstantiate:Class<T>: the class to instantiate
paramTypes:Class<?>[]: the constructor parameter types, cloned
args:Object[]: the constructor arguments, cloned

Method Detail

create	back to summary
public T create() Implements org.apache.commons.collections4.Factory.create. Creates an object using the stored constructor. Returns:T the new object Annotations @Override

create

back to summary

public T create()

Implements org.apache.commons.collections4.Factory.create.

Creates an object using the stored constructor.

Returns:T

the new object

Annotations

@Override

findConstructor	back to summary
private void findConstructor() Find the Constructor for the class specified.

instantiateFactory	back to summary
public static <T> Factory<T> instantiateFactory(final Class<T> classToInstantiate, final Class<?>[] paramTypes, final Object[] args) Factory method that performs validation. Parameters <T> the type the factory creates classToInstantiate:Class<T> the class to instantiate, not null paramTypes:Class<?>[] the constructor parameter types, cloned args:Object[] the constructor arguments, cloned Returns:Factory<T> a new instantiate factory Exceptions NullPointerException: if classToInstantiate is null IllegalArgumentException: if paramTypes does not match args

instantiateFactory

back to summary

public static <T> Factory<T> instantiateFactory(final Class<T> classToInstantiate, final Class<?>[] paramTypes, final Object[] args)

Factory method that performs validation.

Parameters

<T>: the type the factory creates
classToInstantiate:Class<T>: the class to instantiate, not null
paramTypes:Class<?>[]: the constructor parameter types, cloned
args:Object[]: the constructor arguments, cloned

Returns:Factory<T>

a new instantiate factory

Exceptions

NullPointerException:: if classToInstantiate is null
IllegalArgumentException:: if paramTypes does not match args

public Class InstantiateFactory<T>

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail