net.sf.joafip.reflect

Class HelperReflect

java.lang.Object

net.sf.joafip.reflect.HelperReflect

@NotStorableClass
public final class HelperReflect
extends Object

helper for reflection

Author:

luc peuvrier

Method Summary

Methods

Modifier and Type	Method and Description
int	arrayLength(Object array)
void	assertNotNullField(Object object, ClassInfoFactory classInfoFactory) assert that field annotated assert not null are not null used for debug
FieldInfo	createFieldInfo(IClassInfoFactory classInfoFactory, Field field)
DeclaredFields	declaredFieldsByReflection(Class<?> classForField, IClassInfoFactory classInfoFactory) get all declared fields to persist or not for a class using recursive reflection on class and mother class
Object	getArrayElement(Object array, int index)
Object	getFieldValue(Object object, FieldInfo fieldInfo, boolean checkAssertNotNull) Returns the value of the field represented by this FieldInfo , on the specified object.
static HelperReflect	getInstance()
Object	invokeMethod(Class<?> objectClass, String methodName, Object objectForInvoke, Class<?>[] parameterTypes, Object[] args)
Object	invokeMethod(Object objectForInvoke, Method method, Object[] args)
Object	invokeStaticMethod(Class<?> objectClass, String methodName, Class<?>[] parameterTypes, Object[] args)
Enum<?>	newEnumInstance(Class<?> enumClass, String constantName)
Object	newInstanceConstruct(Class<?> objectClass, Class<?>[] parameterTypes, Object[] initargs) create a new instance The parameterTypes parameter is an array of Class objects that identify the constructor's formal parameter types, in declared order.
Object	newInstanceDefaultConstructor(Class<?> objectClass)
Object	newInstanceNoConstruction(Class<?> objectClass) create a new proxy instance not invoking constructor
void	setAlwaysAcceptNullField(boolean alwaysAcceptNullField)
void	setArrayElement(Object array, int index, Object elementValue)
void	setFieldValue(Object object, FieldInfo fieldInfo, Object fieldValue)
void	setFieldValueToNull(Object object, FieldInfo fieldInfo)

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static HelperReflect getInstance()

assertNotNullField

@Fortest
public void assertNotNullField(Object object,
                              ClassInfoFactory classInfoFactory)
                        throws ReflectException

assert that field annotated assert not null are not null
used for debug

Parameters:

object -

classInfoFactory -

Throws:

ReflectException

declaredFieldsByReflection

public DeclaredFields declaredFieldsByReflection(Class<?> classForField,
                                        IClassInfoFactory classInfoFactory)
                                          throws ReflectException

get all declared fields to persist or not for a class using recursive reflection on class and mother class

Parameters:

classForField - class definition where get all declared fields to persist

classInfoFactory -

Returns:

all not static declared fields for the class

Throws:

ReflectException

createFieldInfo

public FieldInfo createFieldInfo(IClassInfoFactory classInfoFactory,
                        Field field)
                          throws ReflectException

Throws:

ReflectException

getFieldValue

public Object getFieldValue(Object object,
                   FieldInfo fieldInfo,
                   boolean checkAssertNotNull)
                     throws ReflectException

Returns the value of the field represented by this FieldInfo , on the specified object.

Parameters:

object -

fieldInfo -

checkAssertNotNull -

Returns:

Throws:

ReflectException

NullFieldException

setFieldValue

public void setFieldValue(Object object,
                 FieldInfo fieldInfo,
                 Object fieldValue)
                   throws ReflectException,
                          ReflectFailedSetException

Parameters:

object -

fieldInfo -

fieldValue -

Throws:

ReflectException

ReflectFailedSetException

setFieldValueToNull

public void setFieldValueToNull(Object object,
                       FieldInfo fieldInfo)
                         throws ReflectException,
                                ReflectFailedSetException

Throws:

ReflectException

ReflectFailedSetException

setAlwaysAcceptNullField

@Fortest
public void setAlwaysAcceptNullField(boolean alwaysAcceptNullField)

setArrayElement

public void setArrayElement(Object array,
                   int index,
                   Object elementValue)
                     throws ReflectException,
                            ReflectFailedSetException

Parameters:

array -

index -

elementValue -

Throws:

ReflectException

ReflectFailedSetException

arrayLength

public int arrayLength(Object array)
                throws ReflectException

Throws:

ReflectException

getArrayElement

public Object getArrayElement(Object array,
                     int index)
                       throws ReflectException

Parameters:

array -

index -

Returns:

Throws:

ReflectException

invokeStaticMethod

public Object invokeStaticMethod(Class<?> objectClass,
                        String methodName,
                        Class<?>[] parameterTypes,
                        Object[] args)
                          throws ReflectException

Throws:

ReflectException

invokeMethod

public Object invokeMethod(Class<?> objectClass,
                  String methodName,
                  Object objectForInvoke,
                  Class<?>[] parameterTypes,
                  Object[] args)
                    throws ReflectException

Throws:

ReflectException

invokeMethod

public Object invokeMethod(Object objectForInvoke,
                  Method method,
                  Object[] args)
                    throws ReflectException

Throws:

ReflectException

newInstanceDefaultConstructor

public Object newInstanceDefaultConstructor(Class<?> objectClass)
                                     throws ReflectException

Throws:

ReflectException

newInstanceConstruct

public Object newInstanceConstruct(Class<?> objectClass,
                          Class<?>[] parameterTypes,
                          Object[] initargs)
                            throws ReflectException

create a new instance
The parameterTypes parameter is an array of Class objects that identify the constructor's formal parameter types, in declared order.
If the object class represents an inner class declared in a non-static context, the formal parameter types include the explicit enclosing instance as the first parameter.

Parameters:

objectClass - class of the instance to create

parameterTypes - the parameter array.

initargs - array of objects to be passed as arguments to the constructor call; values of primitive types are wrapped in a wrapper object of the appropriate type (e.g. a float in a Float)

Returns:

the created instance

Throws:

ReflectException

newInstanceNoConstruction

public Object newInstanceNoConstruction(Class<?> objectClass)
                                 throws ReflectException,
                                        ReflectInvalidClassException

create a new proxy instance not invoking constructor

Parameters:

objectClass - the instance to create class

Returns:

the new instance

Throws:

ReflectException - creation failure

ReflectInvalidClassException

newEnumInstance

public Enum<?> newEnumInstance(Class<?> enumClass,
                      String constantName)
                        throws ReflectInvalidClassException

Throws:

ReflectInvalidClassException