org.springframework.data.repository.util
Class ClassUtils

java.lang.Object
  org.springframework.data.repository.util.ClassUtils

public abstract class ClassUtils
extends java.lang.Object

Utility class to work with classes.

Author:

Oliver Gierke

Method Summary

static void	assertReturnTypeAssignable(java.lang.reflect.Method method, java.lang.Class<?>... types) Asserts the given Method's return type to be one of the given types.
static int	getNumberOfOccurences(java.lang.reflect.Method method, java.lang.Class<?> type) Returns the number of occurences of the given type in the given Methods parameters.
static boolean	hasParameterOfType(java.lang.reflect.Method method, java.lang.Class<?> type) Returns whether the given Method has a parameter of the given type.
static boolean	hasProperty(java.lang.Class<?> type, java.lang.String property) Returns whether the given class contains a property with the given name.
static boolean	isGenericRepositoryInterface(java.lang.Class<?> interfaze) Returns wthere the given type is the Repository interface.
static boolean	isGenericRepositoryInterface(java.lang.String interfaceName) Returns whether the given type name is a repository interface name.
static boolean	isOfType(java.lang.Object object, java.util.Collection<java.lang.Class<?>> types) Returns whether the given object is of one of the given types.
static void	unwrapReflectionException(java.lang.Exception ex) Helper method to extract the original exception that can possibly occur during a reflection call.

Methods inherited from class java.lang.Object

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

Method Detail

hasProperty

public static boolean hasProperty(java.lang.Class<?> type,
                                  java.lang.String property)

Returns whether the given class contains a property with the given name.

Parameters:

fieldName -

Returns:

isGenericRepositoryInterface

public static boolean isGenericRepositoryInterface(java.lang.Class<?> interfaze)

Returns wthere the given type is the Repository interface.

Parameters:

interfaze -

Returns:

isGenericRepositoryInterface

public static boolean isGenericRepositoryInterface(java.lang.String interfaceName)

Returns whether the given type name is a repository interface name.

Parameters:

interfaceName -

Returns:

getNumberOfOccurences

public static int getNumberOfOccurences(java.lang.reflect.Method method,
                                        java.lang.Class<?> type)

Returns the number of occurences of the given type in the given Methods parameters.

Parameters:

method -

type -

Returns:

assertReturnTypeAssignable

public static void assertReturnTypeAssignable(java.lang.reflect.Method method,
                                              java.lang.Class<?>... types)

Asserts the given Method's return type to be one of the given types.

Parameters:

method -

types -

isOfType

public static boolean isOfType(java.lang.Object object,
                               java.util.Collection<java.lang.Class<?>> types)

Returns whether the given object is of one of the given types. Will return false for null.

Parameters:

object -

types -

Returns:

hasParameterOfType

public static boolean hasParameterOfType(java.lang.reflect.Method method,
                                         java.lang.Class<?> type)

Returns whether the given Method has a parameter of the given type.

Parameters:

method -

type -

Returns:

unwrapReflectionException

public static void unwrapReflectionException(java.lang.Exception ex)
                                      throws java.lang.Throwable

Helper method to extract the original exception that can possibly occur during a reflection call.

Parameters:

ex -

Throws:

java.lang.Throwable