org.srplib.reflection

Class Types

java.lang.Object

org.srplib.reflection.Types

public class Types
extends java.lang.Object

Collection of utilities for java types.

Constructor Summary

Constructors

Constructor and Description
Types()

Method Summary

Modifier and Type	Method and Description
static <T> T	getDefaultValue(java.lang.Class<T> type) Returns default value for specified primitive or wrapper type.
static <T> java.lang.Class<T>	getPrimitive(java.lang.Class<T> type) Returns primitive type for specified wrapper type.
static java.util.Set<java.lang.Class<?>>	getPrimitives() Returns all java primitive types.
static <T> java.lang.Class<T>	getWrapper(java.lang.Class<T> type) Returns wrapper for specified primitive type.
static java.util.Set<java.lang.Class<?>>	getWrappers() Returns all java primitive wrapper types.
static boolean	isArray(java.lang.Class<?> clazz) Tests if specified class is an array.
static boolean	isNumber(java.lang.Class<?> type)
static boolean	isPrimitive(java.lang.Class<?> clazz) Tests if specified class is a primitive wrapper.
static boolean	isPrimitiveArray(java.lang.Class<?> type) Tests if specified class is an array of primitives.
static boolean	isWrapper(java.lang.Class<?> clazz) Tests if specified class is a primitive wrapper.
static boolean	isWrapperArray(java.lang.Class<?> type) Tests if specified class is an array of primitive wrapper.

Methods inherited from class java.lang.Object

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

Constructor Detail

Types

public Types()

Method Detail

isPrimitive

public static boolean isPrimitive(java.lang.Class<?> clazz)

Tests if specified class is a primitive wrapper.

Parameters:

clazz - Class a class to test

Returns:

true if class is primitive wrapper

isPrimitiveArray

public static boolean isPrimitiveArray(java.lang.Class<?> type)

Tests if specified class is an array of primitives.

Parameters:

type - Class a class to test

Returns:

true if class is an array of primitives

Throws:

java.lang.IllegalArgumentException - if the specified Class parameter is null.

isWrapper

public static boolean isWrapper(java.lang.Class<?> clazz)

Tests if specified class is a primitive wrapper.

Parameters:

clazz - Class a class to test

Returns:

true if class is primitive wrapper

isWrapperArray

public static boolean isWrapperArray(java.lang.Class<?> type)

Tests if specified class is an array of primitive wrapper.

Parameters:

type - Class a class to test

Returns:

true if class is an array

Throws:

java.lang.IllegalArgumentException - if the specified Class parameter is null.

isArray

public static boolean isArray(java.lang.Class<?> clazz)

Tests if specified class is an array.

Parameters:

clazz - Class a class to test

Returns:

true if class is an array

Throws:

java.lang.IllegalArgumentException - if the specified Class parameter is null.

getPrimitives

public static java.util.Set<java.lang.Class<?>> getPrimitives()

Returns all java primitive types.

Returns:

Set set of primitive types

getWrappers

public static java.util.Set<java.lang.Class<?>> getWrappers()

Returns all java primitive wrapper types.

Returns:

Set set of wrapper types

getWrapper

public static <T> java.lang.Class<T> getWrapper(java.lang.Class<T> type)

Returns wrapper for specified primitive type.

Parameters:

type - Class a type

Returns:

Class wrapper type or null if type is not a primitive type

Throws:

java.lang.IllegalArgumentException - if type is null

getPrimitive

public static <T> java.lang.Class<T> getPrimitive(java.lang.Class<T> type)

Returns primitive type for specified wrapper type.

Parameters:

type - Class a type

Returns:

Class primitive type or null if parameter type is not a wrapper type

Throws:

java.lang.IllegalArgumentException - if type is null

getDefaultValue

public static <T> T getDefaultValue(java.lang.Class<T> type)

Returns default value for specified primitive or wrapper type.

Parameters:

type - Class a type

Returns:

default value for specified type or null if type is not a wrapper or primitive

Throws:

java.lang.IllegalArgumentException - if type is null

isNumber

public static boolean isNumber(java.lang.Class<?> type)