com.thoughtworks.proxy.toys.nullobject

Class Null<T>

java.lang.Object

com.thoughtworks.proxy.toys.nullobject.Null<T>

public class Null<T>
extends java.lang.Object

Toy factory to create proxies acting as Null Objects.

Since:

0.1

See Also:

com.thoughtworks.proxy.toys.nullobject

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Null.NullBuild<T>

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.Object	NULL_OBJECT The Null Object.
static java.util.SortedMap<java.lang.Object,java.lang.Object>	NULL_SORTED_MAP Immutable Null Object implementation of SortedMap.
static java.util.SortedSet<java.lang.Object>	NULL_SORTED_SET Immutable Null Object implementation of SortedSet.
private java.lang.Class<T>	type

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Null(java.lang.Class<T> type)

Method Summary

Modifier and Type	Method and Description
private T	build(ProxyFactory proxyFactory)
static boolean	isNullObject(java.lang.Object object) Determine whether an object was created by proxy(Class).
static boolean	isNullObject(java.lang.Object object, ProxyFactory proxyFactory) Determine whether an object was created by proxy(Class) using a special ProxyFactory with the builder.
private static boolean	isNullProxyObject(java.lang.Object object, ProxyFactory proxyFactory)
private static boolean	isStandardNullObject(java.lang.Object object)
static <T> Null.NullBuild<T>	proxy(java.lang.Class<T> type) Creates a factory for proxy instances that is nullable.

Methods inherited from class java.lang.Object

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

Field Detail

NULL_OBJECT

public static final java.lang.Object NULL_OBJECT

The Null Object.

Since:

0.1

NULL_SORTED_MAP

public static final java.util.SortedMap<java.lang.Object,java.lang.Object> NULL_SORTED_MAP

Immutable Null Object implementation of SortedMap.

Since:

0.1

NULL_SORTED_SET

public static final java.util.SortedSet<java.lang.Object> NULL_SORTED_SET

Immutable Null Object implementation of SortedSet.

Since:

0.1

type

private java.lang.Class<T> type

Constructor Detail

Null

private Null(java.lang.Class<T> type)

Method Detail

proxy

public static <T> Null.NullBuild<T> proxy(java.lang.Class<T> type)

Creates a factory for proxy instances that is nullable.

Parameters:

type - the type implemented by the proxy

Returns:

the factory

Since:

1.0

build

private T build(ProxyFactory proxyFactory)

isNullObject

public static boolean isNullObject(java.lang.Object object)

Determine whether an object was created by proxy(Class).

Parameters:

object - the object to examine

Returns:

true if the object is a Null proxy.

Since:

0.1

isNullObject

public static boolean isNullObject(java.lang.Object object,
                                   ProxyFactory proxyFactory)

Determine whether an object was created by proxy(Class) using a special ProxyFactory with the builder.

Parameters:

object - the object to examine

proxyFactory - the ProxyFactory to use

Returns:

true if the object is a Null proxy.

Since:

0.1

isStandardNullObject

private static boolean isStandardNullObject(java.lang.Object object)

isNullProxyObject

private static boolean isNullProxyObject(java.lang.Object object,
                                         ProxyFactory proxyFactory)