com.edorasware.commons.core.util.generics

Class GenericsUtils

java.lang.Object

com.edorasware.commons.core.util.generics.GenericsUtils

public class GenericsUtils
extends Object

Provides utility methods related to Generics.

Method Summary

Modifier and Type	Method and Description
static <T> T	getTypeSafeValue(String entityType, Object entityKey, Object value, Class<T> expectedValueType) Returns the given value cast to the the given type.
static <S> S	getTypeSafeValue(String entityType, Object entityKey, Object value, com.google.common.reflect.TypeToken<S> expectedValueType) Returns the given value cast to the the given type.

Methods inherited from class java.lang.Object

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

Method Detail

getTypeSafeValue

public static <T> T getTypeSafeValue(String entityType,
                                     Object entityKey,
                                     Object value,
                                     Class<T> expectedValueType)

Returns the given value cast to the the given type. An IllegalArgumentException is thrown in case the type case is not possible.

Type Parameters:

T - the type of the expected value

Parameters:

entityType - the entity type

entityKey - the entity key to which the value belongs

value - the value to convert

expectedValueType - the expected type of the value

Returns:

the value cast to the expected type

Throws:

IllegalArgumentException - thrown if the cast is not possible

getTypeSafeValue

public static <S> S getTypeSafeValue(String entityType,
                                     Object entityKey,
                                     Object value,
                                     com.google.common.reflect.TypeToken<S> expectedValueType)

Returns the given value cast to the the given type. An IllegalArgumentException is thrown in case the type case is not possible.

Type Parameters:

S - the type of the expected value

Parameters:

entityType - the entity type

entityKey - the entity key to which the value belongs

value - the value to convert

expectedValueType - the expected type of the value

Returns:

the value cast to the expected type

Throws:

IllegalArgumentException - thrown if the cast is not possible