org.jboss.metatype.plugins.values

Class DefaultMetaValueFactory

java.lang.Object

org.jboss.metatype.api.values.MetaValueFactory

org.jboss.metatype.plugins.values.DefaultMetaValueFactory

public class DefaultMetaValueFactory
extends MetaValueFactory

DefaultMetaValueFactory.

Version:

$Revision: 103757 $

Author:

Ales Justin, Adrian Brock, Scott.Stark@jboss.org

Constructor Summary

Constructors

Constructor and Description
DefaultMetaValueFactory()

Method Summary

Methods

Modifier and Type	Method and Description
protected org.jboss.reflect.spi.TypeInfo	checkTypeInfo(org.jboss.reflect.spi.TypeInfo type, Object value, MetaType metaType) Do a simple check.
static Object[]	convertPrimativeArray(Object value) Transform a primitive array into an Object[].
static Object[]	convertPrimativeArray(org.jboss.reflect.spi.TypeInfo type, Object value) Transform a primitive array into an Object[].
protected Object	convertValue(Object value, org.jboss.reflect.spi.TypeInfo typeInfo) Convert the value.
MetaValue	create(Object value) Create a meta value
MetaValue	create(Object value, MetaType type) Create a meta value given its MetaType
MetaValue	create(Object value, Type type) Create a meta value
MetaValue	create(Object value, org.jboss.reflect.spi.TypeInfo type) Create a meta value
protected Object[]	createArray(MetaType elementType, Class<?> componentType, int dimension, Object[] oldArray) Create an array
ArrayValue	createArrayValue(ArrayMetaType type, Object value, Map<Object,MetaValue> mapping) Create an array value
CollectionValue	createCollectionValue(CollectionMetaType type, Object value, Map<Object,MetaValue> mapping) Create a collection value
CompositeValue	createCompositeValue(CompositeMetaType type, Object value, Map<Object,MetaValue> mapping) Create a composite value
protected InvocationHandler	createCompositeValueInvocationHandler(CompositeValue compositeValue) Create composite invocation handler.
static <T extends Enum<?>> EnumValue	createEnumValue(EnumMetaType type, T value) Create an enum value
static GenericValue	createGenericValue(GenericMetaType type, Object value, Map<Object,MetaValue> mapping) Create a generic value
protected Map<?,?>	createMap(TableValue tableValue, org.jboss.reflect.spi.TypeInfo keyType, org.jboss.reflect.spi.TypeInfo valueType) Create a map
protected Object	createNewInstance(org.jboss.beans.info.spi.BeanInfo beanInfo) Create new instance.
protected MetaValue	createPropertiesValue(PropertiesMetaType metaType, Object value, Map<Object,MetaValue> mapping) Create a PropertiesMetaValue
static SimpleValue	createSimpleValue(SimpleMetaType type, Serializable value) Create a simple value
TableValue	createTableValue(TableMetaType type, Map value, Map<Object,MetaValue> mapping) Create a table value
protected org.jboss.reflect.spi.TypeInfo	getTypeInfo(MetaType metaType, ClassLoader cl) Get the class info from meta type.
protected org.jboss.reflect.spi.TypeInfo	getTypeInfo(MetaType metaType, Object value) Get the class info from meta type.
protected Object	getValue(MetaType metaType, org.jboss.reflect.spi.TypeInfo typeInfo, Object value) Get the value.
protected MetaValue	internalCreate(Object value, org.jboss.reflect.spi.TypeInfo type, MetaType metaType) Create a meta value from the object
protected Object	internalUnwrap(MetaValue metaValue, org.jboss.reflect.spi.TypeInfo type) Unwrap value from meta value.
protected MetaValue	isBuilder(MetaType metaType, org.jboss.reflect.spi.TypeInfo type, Object value, Map<Object,MetaValue> mapping) Check for a builder
static Object	mapNullToPrimitive(org.jboss.reflect.spi.TypeInfo type) Map null to primitive.
protected Object	newArrayInstance(org.jboss.reflect.spi.TypeInfo typeInfo, int size) Get new array instance.
void	setBuilder(Class<?> clazz, MetaValueBuilder<?> builder) Set a meta value builder.
<T> void	setInstanceFactory(Class<T> clazz, InstanceFactory<T> factory) Set an instance factory.
Object	unwrap(MetaValue metaValue) Unwrap meta value.
Object	unwrap(MetaValue metaValue, Type type) Unwrap meta value.
Object	unwrap(MetaValue metaValue, org.jboss.reflect.spi.TypeInfo type) Unwrap meta value.
protected Object	unwrapArray(Object array, Object element) Unwrap array.
protected Object	unwrapCollection(CollectionValue collectionValue, org.jboss.reflect.spi.TypeInfo type) Unwrap collection meta value.
protected Object	unwrapComposite(CompositeValue compositeValue, org.jboss.reflect.spi.TypeInfo typeInfo) Unwrap composite.
protected Map	unwrapCompositeMap(CompositeValue compositeValue)
protected Object	unwrapMetaValue(MetaValue element, org.jboss.reflect.spi.TypeInfo type, Object array) Unwrap MetaValue.
protected Object	unwrapProperties(PropertiesMetaValue propsValue, org.jboss.reflect.spi.TypeInfo type)
protected Object	unwrapTable(TableValue tableValue, org.jboss.reflect.spi.TypeInfo type) Unwrap table meta value.

Methods inherited from class org.jboss.metatype.api.values.MetaValueFactory

getInstance

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultMetaValueFactory

public DefaultMetaValueFactory()

Method Detail

setBuilder

public void setBuilder(Class<?> clazz,
              MetaValueBuilder<?> builder)

Description copied from class: MetaValueFactory

Set a meta value builder.

Specified by:

setBuilder in class MetaValueFactory

Parameters:

clazz - the class

builder - the builder

setInstanceFactory

public <T> void setInstanceFactory(Class<T> clazz,
                          InstanceFactory<T> factory)

Description copied from class: MetaValueFactory

Set an instance factory.

Specified by:

setInstanceFactory in class MetaValueFactory

Type Parameters:

T - exact instance type

Parameters:

clazz - the class

factory - the factory

createSimpleValue

public static SimpleValue createSimpleValue(SimpleMetaType type,
                            Serializable value)

Create a simple value

Parameters:

type - the type

value - the value

Returns:

the simple value

createEnumValue

public static <T extends Enum<?>> EnumValue createEnumValue(EnumMetaType type,
                                            T value)

Create an enum value

Type Parameters:

T - the enum type

Parameters:

type - the type

value - the value

Returns:

the enum value

createGenericValue

public static GenericValue createGenericValue(GenericMetaType type,
                              Object value,
                              Map<Object,MetaValue> mapping)

Create a generic value

Parameters:

type - the type

value - the value

mapping - the mapping

Returns:

the generic value

createCollectionValue

public CollectionValue createCollectionValue(CollectionMetaType type,
                                    Object value,
                                    Map<Object,MetaValue> mapping)

Create a collection value

Parameters:

type - the type

value - the value

mapping - the mapping

Returns:

the generic value

convertPrimativeArray

public static Object[] convertPrimativeArray(org.jboss.reflect.spi.TypeInfo type,
                             Object value)

Transform a primitive array into an Object[]. Converts a primitive array like char[] to Object[].

Parameters:

type - - the primitive array class type info.

value - - the primitive array instance.

Returns:

object array

mapNullToPrimitive

public static Object mapNullToPrimitive(org.jboss.reflect.spi.TypeInfo type)

Map null to primitive.

Parameters:

type - the type info

Returns:

default value

convertPrimativeArray

public static Object[] convertPrimativeArray(Object value)

Transform a primitive array into an Object[]. Converts a primitive array like char[] to Object[].

Parameters:

value - - the primitive array instance.

Returns:

object array

createArrayValue

public ArrayValue createArrayValue(ArrayMetaType type,
                          Object value,
                          Map<Object,MetaValue> mapping)

Create an array value

Parameters:

type - the type

value - the value

mapping - the mapping

Returns:

the composite value

createArray

protected Object[] createArray(MetaType elementType,
                   Class<?> componentType,
                   int dimension,
                   Object[] oldArray)

Create an array

Parameters:

elementType - the element type

componentType - the component type

dimension - the dimension

oldArray - the old array

Returns:

the array

createCompositeValue

public CompositeValue createCompositeValue(CompositeMetaType type,
                                  Object value,
                                  Map<Object,MetaValue> mapping)

Create a composite value

Parameters:

type - the type

value - the value

mapping - the mapping

Returns:

the composite value

createTableValue

public TableValue createTableValue(TableMetaType type,
                          Map value,
                          Map<Object,MetaValue> mapping)

Create a table value

Parameters:

type - the type

value - the value

mapping - the mapping

Returns:

the table value

create

public MetaValue create(Object value)

Description copied from class: MetaValueFactory

Create a meta value

Specified by:

create in class MetaValueFactory

Parameters:

value - the value

Returns:

the meta value

create

public MetaValue create(Object value,
               Type type)

Description copied from class: MetaValueFactory

Create a meta value

Specified by:

create in class MetaValueFactory

Parameters:

value - the value

type - the type

Returns:

the meta value

create

public MetaValue create(Object value,
               org.jboss.reflect.spi.TypeInfo type)

Description copied from class: MetaValueFactory

Create a meta value

Specified by:

create in class MetaValueFactory

Parameters:

value - the value

type - the type

Returns:

the meta value

create

public MetaValue create(Object value,
               MetaType type)

Description copied from class: MetaValueFactory

Create a meta value given its MetaType

Specified by:

create in class MetaValueFactory

type - the meta type

Returns:

the meta value

unwrap

public Object unwrap(MetaValue metaValue)

Description copied from class: MetaValueFactory

Unwrap meta value. Supports simple and generic meta value.

Specified by:

unwrap in class MetaValueFactory

Parameters:

metaValue - meta value

Returns:

meta value's value

unwrap

public Object unwrap(MetaValue metaValue,
            Type type)

Description copied from class: MetaValueFactory

Unwrap meta value. Supports simple and generic meta value.

Specified by:

unwrap in class MetaValueFactory

Parameters:

metaValue - meta value

type - the type

Returns:

meta value's value

unwrap

public Object unwrap(MetaValue metaValue,
            org.jboss.reflect.spi.TypeInfo type)

Description copied from class: MetaValueFactory

Unwrap meta value. Supports simple and generic meta value.

Specified by:

unwrap in class MetaValueFactory

Parameters:

metaValue - meta value

type - the type

Returns:

meta value's value

internalUnwrap

protected Object internalUnwrap(MetaValue metaValue,
                    org.jboss.reflect.spi.TypeInfo type)

Unwrap value from meta value.

Parameters:

metaValue - the meta value

type - expected type info

Returns:

unwrapped value

checkTypeInfo

protected org.jboss.reflect.spi.TypeInfo checkTypeInfo(org.jboss.reflect.spi.TypeInfo type,
                                           Object value,
                                           MetaType metaType)

Do a simple check. If current type param is null, try getting type info from meta type and value's classloader.

Parameters:

type - the type info

value - tester value

metaType - the meta type

Returns:

type info

getValue

protected Object getValue(MetaType metaType,
              org.jboss.reflect.spi.TypeInfo typeInfo,
              Object value)

Get the value. Join type check and value conversion.

Parameters:

metaType - the meta type

typeInfo - the type info

value - the value

Returns:

the converted value

unwrapMetaValue

protected Object unwrapMetaValue(MetaValue element,
                     org.jboss.reflect.spi.TypeInfo type,
                     Object array)

Unwrap MetaValue.

Parameters:

element - the meta value

type - parent type

array - parent array

Returns:

unwrapped value

unwrapArray

protected Object unwrapArray(Object array,
                 Object element)

Unwrap array.

Parameters:

array - parent array

element - current array element

Returns:

unwrapped array element

unwrapProperties

protected Object unwrapProperties(PropertiesMetaValue propsValue,
                      org.jboss.reflect.spi.TypeInfo type)

unwrapComposite

protected Object unwrapComposite(CompositeValue compositeValue,
                     org.jboss.reflect.spi.TypeInfo typeInfo)

Unwrap composite.

Parameters:

compositeValue - the composite value

typeInfo - expected type info

Returns:

unwrapped value

unwrapCompositeMap

protected Map unwrapCompositeMap(CompositeValue compositeValue)

createCompositeValueInvocationHandler

protected InvocationHandler createCompositeValueInvocationHandler(CompositeValue compositeValue)

Create composite invocation handler.

Parameters:

compositeValue - the composite value

Returns:

composite invocation handler

unwrapCollection

protected Object unwrapCollection(CollectionValue collectionValue,
                      org.jboss.reflect.spi.TypeInfo type)

Unwrap collection meta value.

Parameters:

collectionValue - the collection value

type - the type info

Returns:

unwrapped collection

unwrapTable

protected Object unwrapTable(TableValue tableValue,
                 org.jboss.reflect.spi.TypeInfo type)

Unwrap table meta value.

Parameters:

tableValue - the table value

type - the type info

Returns:

unwrapped table (map)

createMap

protected Map<?,?> createMap(TableValue tableValue,
                 org.jboss.reflect.spi.TypeInfo keyType,
                 org.jboss.reflect.spi.TypeInfo valueType)

Create a map

Parameters:

tableValue - the table value

keyType - the key type

valueType - the value type

Returns:

the map

createPropertiesValue

protected MetaValue createPropertiesValue(PropertiesMetaType metaType,
                              Object value,
                              Map<Object,MetaValue> mapping)

Create a PropertiesMetaValue

Parameters:

metaType -

value -

mapping -

Returns:

createNewInstance

protected Object createNewInstance(org.jboss.beans.info.spi.BeanInfo beanInfo)
                            throws Throwable

Create new instance.

Parameters:

beanInfo - the bean info

Returns:

new instance

Throws:

Throwable - for any error

newArrayInstance

protected Object newArrayInstance(org.jboss.reflect.spi.TypeInfo typeInfo,
                      int size)

Get new array instance.

Parameters:

typeInfo - the type info

size - the size

Returns:

new array instance

getTypeInfo

protected org.jboss.reflect.spi.TypeInfo getTypeInfo(MetaType metaType,
                                         Object value)

Get the class info from meta type.

Parameters:

metaType - the meta type

value - the value which can provide classloader

Returns:

type info

getTypeInfo

protected org.jboss.reflect.spi.TypeInfo getTypeInfo(MetaType metaType,
                                         ClassLoader cl)

Get the class info from meta type.

Parameters:

metaType - the meta type

cl - the classloader

Returns:

class info

internalCreate

protected MetaValue internalCreate(Object value,
                       org.jboss.reflect.spi.TypeInfo type,
                       MetaType metaType)

Create a meta value from the object

Parameters:

value - the value

type - the type

metaType - the metaType

Returns:

the meta value

convertValue

protected Object convertValue(Object value,
                  org.jboss.reflect.spi.TypeInfo typeInfo)

Convert the value.

Parameters:

value - the value

typeInfo - type info

Returns:

converted value if type info not null

Throws:

UndeclaredThrowableException - for any error

isBuilder

protected MetaValue isBuilder(MetaType metaType,
                  org.jboss.reflect.spi.TypeInfo type,
                  Object value,
                  Map<Object,MetaValue> mapping)

Check for a builder

Parameters:

metaType - the meta type

type - the type

value - the value

mapping - the mappings

Returns:

the meta value