korat.utils
Class ReflectionUtils

java.lang.Object
  korat.utils.ReflectionUtils

public class ReflectionUtils
extends Object

Author:

Aleksandar Milicevic

Field Summary

(package private) static Map<Class,Map<String,Field>>

cache

Constructor Summary

ReflectionUtils()

Method Summary

static Field[]	getAllFields(Class clz)
private static void	getAllFieldsRecursive(Class clz, List<Field> fldLst)
static Field[]	getAllNonStaticFields(Class clz)
static Field[]	getDeclaredNonStaticFields(Class clz)
static Field	getField(Class cls, String fieldName) Gets field from class cls, either declared in cls or in one of its superclasses
static Object	getFieldValue(Object obj, Field field)
static Field	getFieldWithAccess(Class cls, String fieldName)
static Field	getFieldWithAccess(Object obj, String fieldName)
static Method	getMethod(Class<? extends Object> clz, String methodName, Class[] methodArgs) Gets method from class clz or any of its superclasses.
static Object	invoke(Object obj, String method, Class[] params, Object[] args) Invokes method of a given obj and set of parameters
static void	setFieldValue(Object obj, Field field, Object value)

Methods inherited from class java.lang.Object

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

Field Detail

cache

static Map<Class,Map<String,Field>> cache

Constructor Detail

ReflectionUtils

public ReflectionUtils()

Method Detail

getFieldWithAccess

public static Field getFieldWithAccess(Object obj,
                                       String fieldName)

getFieldWithAccess

public static Field getFieldWithAccess(Class cls,
                                       String fieldName)

getField

public static Field getField(Class cls,
                             String fieldName)

Gets field from class cls, either declared in cls or in one of its superclasses

Parameters:

cls - - declaring class of the field

fieldName - - name of the field

Returns:

requested field

getFieldValue

public static Object getFieldValue(Object obj,
                                   Field field)

setFieldValue

public static void setFieldValue(Object obj,
                                 Field field,
                                 Object value)

getAllFieldsRecursive

private static void getAllFieldsRecursive(Class clz,
                                          List<Field> fldLst)

getAllFields

public static Field[] getAllFields(Class clz)

getAllNonStaticFields

public static Field[] getAllNonStaticFields(Class clz)

getDeclaredNonStaticFields

public static Field[] getDeclaredNonStaticFields(Class clz)

getMethod

public static Method getMethod(Class<? extends Object> clz,
                               String methodName,
                               Class[] methodArgs)
                        throws NoSuchMethodException

Gets method from class clz or any of its superclasses. If no method can be found NoSuchMethodException is raised.

Parameters:

clz - - declaring class of the method

methodName - - name of the method

methodArgs - - method arguments

Returns:

requested method

Throws:

NoSuchMethodException

invoke

public static Object invoke(Object obj,
                            String method,
                            Class[] params,
                            Object[] args)

Invokes method of a given obj and set of parameters

Parameters:

obj - - Object for which the method is going to be executed. Special if obj is of type java.lang.Class, method is executed as static method of class given as obj parameter

method - - name of the object

params - - actual parameters for the method

Returns:

- result of the method execution

If there is any problem with method invocation, a RuntimeException is thrown