org.jboss.reflect.plugins.javassist

Class JavassistTypeInfoFactoryImpl

java.lang.Object

org.jboss.util.collection.WeakClassCache<TypeInfo>

org.jboss.reflect.plugins.javassist.JavassistTypeInfoFactoryImpl

All Implemented Interfaces:

AnnotationHelper, MutableTypeInfoFactory, TypeInfoFactory

public class JavassistTypeInfoFactoryImpl
extends org.jboss.util.collection.WeakClassCache<TypeInfo>
implements MutableTypeInfoFactory, AnnotationHelper

A javassist type factory. TODO: need to fix the cl stuff

Version:

$Revision: 110312 $

Author:

Adrian Brock, Ales Justin

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	JavassistTypeInfoFactoryImpl.ModifiableArrayType Wrapper around SignatureAttribute.ArrayType to make it easier to create the name used to look up the array type infos in the cache

Field Summary

Fields inherited from class org.jboss.util.collection.WeakClassCache

cache

Method Summary

Methods

Modifier and Type	Method and Description
protected static String	convertName(javassist.CtClass clazz) Convert name
AnnotationValue	createAnnotationValue(AnnotationInfo info, Object ann) Create an annotation from the underlying implementation and its info type
MutableClassInfo	createNewMutableClass(String name) Creates a new MutableClass.
MutableClassInfo	createNewMutableClass(String name, ClassInfo superClass) Creates a new MutableClass.
MutableClassInfo	createNewMutableInterface(String name) Creates a new mutable interface.
MutableClassInfo	createNewMutableInterface(String name, ClassInfo superClass) Creates a new mutable interface.
protected TypeInfo	createTypeInfoForTypeArgument(javassist.bytecode.SignatureAttribute.TypeArgument arg, ClassLoader loader, org.jboss.reflect.plugins.javassist.JavassistTypeVariableSpy spy) Gets the type info for a javassist type argument
protected void	generate(Class clazz, TypeInfo result)
TypeInfo	get(Class clazz) Get the information for a class
protected TypeInfo	get(javassist.CtClass ctClass) Get the information for a class
protected TypeInfo	get(javassist.CtClass ctClass, Class<?> clazz, String name, ClassLoader cl, boolean delegateToReflectIfNotFound) Get the information for a class
TypeInfo	get(String name, ClassLoader cl) Get the information for a class
protected TypeInfo	get(String name, ClassLoader cl, Class<?> clazz) Get the information for a class
AnnotationValue[]	getAnnotations(Object obj) Get the annotations for the annotated object
protected Map<String,WeakReference<TypeInfo>>	getClassLoaderCache(ClassLoader cl) Gets the classloader cache for the passed in classloader.
protected javassist.CtClass	getCtClass(String name) Gets the CtClass corresponding to name by using the bootstrap class pool.
protected javassist.CtClass	getCtClass(String name, ClassLoader classLoader) Gets the CtClass corresponding to name.
protected ArrayInfo	getGenericArrayType(ClassLoader cl, JavassistTypeInfoFactoryImpl.ModifiableArrayType type, org.jboss.reflect.plugins.javassist.JavassistTypeVariableSpy spy) Recursively get the type info for a javassist array type
protected ArrayInfo	getGenericArrayType(ClassLoader cl, javassist.bytecode.SignatureAttribute.ArrayType type, org.jboss.reflect.plugins.javassist.JavassistTypeVariableSpy spy) Get the type info for a javassist array type
protected TypeInfo	getGenericArrayType(GenericArrayType type) Get the type info for a reflect generic array type
MutableClassInfo	getMutable(String name, ClassLoader cl) Gets the information for a MutableClass.
protected TypeInfo	getParameterizedType(ParameterizedType type) Creates a type info from a reflect generic paramemeterized type
static ClassPoolFactory	getPoolFactory()
TypeInfo	getTypeInfo(Class<?> clazz) Get a type info
protected TypeInfo	getTypeInfo(ClassLoader loader, javassist.bytecode.SignatureAttribute.ClassType type, org.jboss.reflect.plugins.javassist.JavassistTypeVariableSpy spy) Gets the type info for a javassist generic class type
protected TypeInfo	getTypeInfo(ClassLoader loader, javassist.bytecode.SignatureAttribute.Type type, org.jboss.reflect.plugins.javassist.JavassistTypeVariableSpy spy) Gets the type info for a javassist type
protected TypeInfo	getTypeInfo(javassist.CtClass ctClass) Get the type info
TypeInfo	getTypeInfo(String name, ClassLoader cl) Gets the type info for a class
TypeInfo	getTypeInfo(Type type) Gets the type info for a reflect type
protected TypeInfo	getTypeVariable(TypeVariable<?> type) Get the type info for a reflect TypeVariable
protected TypeInfo	getWildcardType(WildcardType type) Gets the type info for a reflect wildcard type
protected TypeInfo	instantiate(Class clazz)
protected TypeInfo	instantiate(javassist.CtClass ctClass, Class<?> clazz)
static NoClassDefFoundError	raiseClassNotFound(String name, ClassNotFoundException e) Raise NoClassDefFoundError for javassist not found
static NoClassDefFoundError	raiseClassNotFound(String name, javassist.NotFoundException e) Raise NoClassDefFoundError for javassist not found
static NoClassDefFoundError	raiseFieldNotFound(String name, javassist.NotFoundException e) Raise NoClassDefFoundError for javassist not found
static NoClassDefFoundError	raiseMethodNotFound(String name, javassist.NotFoundException e) Raise NoClassDefFoundError for javassist not found
static void	setPoolFactory(ClassPoolFactory classPoolFactory)

Methods inherited from class java.lang.Object

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

Method Detail

getPoolFactory

public static ClassPoolFactory getPoolFactory()

setPoolFactory

public static void setPoolFactory(ClassPoolFactory classPoolFactory)

raiseClassNotFound

public static NoClassDefFoundError raiseClassNotFound(String name,
                                      javassist.NotFoundException e)
                                               throws NoClassDefFoundError

Raise NoClassDefFoundError for javassist not found

Parameters:

name - the name

e - the not found error

Returns:

never

Throws:

NoClassDefFoundError - always

raiseClassNotFound

public static NoClassDefFoundError raiseClassNotFound(String name,
                                      ClassNotFoundException e)
                                               throws NoClassDefFoundError

Raise NoClassDefFoundError for javassist not found

Parameters:

name - the name

e - the not found error

Returns:

never

Throws:

NoClassDefFoundError - always

raiseMethodNotFound

public static NoClassDefFoundError raiseMethodNotFound(String name,
                                       javassist.NotFoundException e)
                                                throws NoClassDefFoundError

Raise NoClassDefFoundError for javassist not found

Parameters:

name - the name

e - the not found error

Returns:

never

Throws:

NoClassDefFoundError - always

raiseFieldNotFound

public static NoClassDefFoundError raiseFieldNotFound(String name,
                                      javassist.NotFoundException e)
                                               throws NoClassDefFoundError

Raise NoClassDefFoundError for javassist not found

Parameters:

name - the name

e - the not found error

Returns:

never

Throws:

NoClassDefFoundError - always

instantiate

protected TypeInfo instantiate(Class clazz)

Specified by:

instantiate in class org.jboss.util.collection.WeakClassCache<TypeInfo>

instantiate

protected TypeInfo instantiate(javassist.CtClass ctClass,
                   Class<?> clazz)

getTypeInfo

protected TypeInfo getTypeInfo(javassist.CtClass ctClass)

Get the type info

Parameters:

ctClass - the ctClass

Returns:

the typeinfo

convertName

protected static String convertName(javassist.CtClass clazz)

Convert name

Parameters:

clazz - the class

Returns:

the converted name

getCtClass

protected javassist.CtClass getCtClass(String name,
                           ClassLoader classLoader)

Gets the CtClass corresponding to name.

Parameters:

name - the name of the CtClass to be retrieved

classLoader - the classLoader that loaded the corresponding Class object

Returns:

the CtClass

getCtClass

protected javassist.CtClass getCtClass(String name)

Gets the CtClass corresponding to name by using the bootstrap class pool.

Parameters:

name - the name of the CtClass to be retrieved

Returns:

the CtClass

generate

protected void generate(Class clazz,
            TypeInfo result)

Specified by:

generate in class org.jboss.util.collection.WeakClassCache<TypeInfo>

getTypeInfo

public TypeInfo getTypeInfo(Class<?> clazz)

Description copied from interface: TypeInfoFactory

Get a type info

Specified by:

getTypeInfo in interface TypeInfoFactory

Parameters:

clazz - the class

Returns:

the type info

getTypeInfo

public TypeInfo getTypeInfo(String name,
                   ClassLoader cl)
                     throws ClassNotFoundException

Gets the type info for a class

Specified by:

getTypeInfo in interface TypeInfoFactory

Parameters:

name - the type

cl - the classloader

Returns:

the type info

Throws:

ClassNotFoundException - when there is no such class

getTypeInfo

public TypeInfo getTypeInfo(Type type)

Gets the type info for a reflect type

Specified by:

getTypeInfo in interface TypeInfoFactory

Parameters:

type - the type

Returns:

the type info

get

public TypeInfo get(String name,
           ClassLoader cl)
             throws ClassNotFoundException

Get the information for a class

Overrides:

get in class org.jboss.util.collection.WeakClassCache<TypeInfo>

Parameters:

name - the name

cl - the classloader

Returns:

the info

Throws:

ClassNotFoundException - when the class cannot be found

get

public TypeInfo get(Class clazz)

Get the information for a class

Overrides:

get in class org.jboss.util.collection.WeakClassCache<TypeInfo>

Parameters:

clazz - the class

Returns:

the info

get

protected TypeInfo get(String name,
           ClassLoader cl,
           Class<?> clazz)
                throws ClassNotFoundException

Get the information for a class

Parameters:

name - the name

cl - the classloader

clazz - the class

Returns:

the info

Throws:

ClassNotFoundException - when the class cannot be found

get

protected TypeInfo get(javassist.CtClass ctClass)

Get the information for a class

Parameters:

ctClass - the class

Returns:

the info

get

protected TypeInfo get(javassist.CtClass ctClass,
           Class<?> clazz,
           String name,
           ClassLoader cl,
           boolean delegateToReflectIfNotFound)
                throws ClassNotFoundException

Get the information for a class

Parameters:

ctClass - the class, may be null

clazz - the class, may be null

name - the name of the class

cl - the class loader

Returns:

the info

Throws:

IllegalArgumentException - if either name or cl are null

ClassNotFoundException

getAnnotations

public AnnotationValue[] getAnnotations(Object obj)

Description copied from interface: AnnotationHelper

Get the annotations for the annotated object

Specified by:

getAnnotations in interface AnnotationHelper

Parameters:

obj - the annotated object

Returns:

the annotations

createAnnotationValue

public AnnotationValue createAnnotationValue(AnnotationInfo info,
                                    Object ann)

Description copied from interface: AnnotationHelper

Create an annotation from the underlying implementation and its info type

Specified by:

createAnnotationValue in interface AnnotationHelper

Parameters:

info - the annotation info

ann - the underlying annotation

Returns:

the annotation value

getMutable

public MutableClassInfo getMutable(String name,
                          ClassLoader cl)

Description copied from interface: MutableTypeInfoFactory

Gets the information for a MutableClass. Note that this will not put the MutableClass in any cache.

Specified by:

getMutable in interface MutableTypeInfoFactory

Parameters:

name - the name of the class to be retrieved

cl - the ClassLoader that should be used to retrieve the class. Note that, if cl is null, the default ClassLoader will be used.

Returns:

the MutableClassInfo representation of the queried class

createNewMutableClass

public MutableClassInfo createNewMutableClass(String name)

Description copied from interface: MutableTypeInfoFactory

Creates a new MutableClass.

Specified by:

createNewMutableClass in interface MutableTypeInfoFactory

Parameters:

name - the name of the class to be created

Returns:

the created class

createNewMutableClass

public MutableClassInfo createNewMutableClass(String name,
                                     ClassInfo superClass)

Description copied from interface: MutableTypeInfoFactory

Creates a new MutableClass.

Specified by:

createNewMutableClass in interface MutableTypeInfoFactory

Parameters:

name - the name of the class to be created

superClass - the super class of the class to be created

Returns:

the created class

createNewMutableInterface

public MutableClassInfo createNewMutableInterface(String name)

Description copied from interface: MutableTypeInfoFactory

Creates a new mutable interface.

Specified by:

createNewMutableInterface in interface MutableTypeInfoFactory

Parameters:

name - the name of the interface to be created

Returns:

the created interface

createNewMutableInterface

public MutableClassInfo createNewMutableInterface(String name,
                                         ClassInfo superClass)

Description copied from interface: MutableTypeInfoFactory

Creates a new mutable interface.

Specified by:

createNewMutableInterface in interface MutableTypeInfoFactory

Parameters:

name - the name of the interface to be created

superClass - the super type of the interface to be created

Returns:

the created interface

getParameterizedType

protected TypeInfo getParameterizedType(ParameterizedType type)

Creates a type info from a reflect generic paramemeterized type

Parameters:

type - the parameterized type

Returns:

the type info

getTypeInfo

protected TypeInfo getTypeInfo(ClassLoader loader,
                   javassist.bytecode.SignatureAttribute.Type type,
                   org.jboss.reflect.plugins.javassist.JavassistTypeVariableSpy spy)

Gets the type info for a javassist type

Parameters:

loader - the class loader

type - the class type

spy - used to determine actual types of type variables

Returns:

the type info

getTypeInfo

protected TypeInfo getTypeInfo(ClassLoader loader,
                   javassist.bytecode.SignatureAttribute.ClassType type,
                   org.jboss.reflect.plugins.javassist.JavassistTypeVariableSpy spy)

Gets the type info for a javassist generic class type

Parameters:

loader - the class loader of the raw class

type - the class type

spy - used to determine actual types of type variables

Returns:

the type info

createTypeInfoForTypeArgument

protected TypeInfo createTypeInfoForTypeArgument(javassist.bytecode.SignatureAttribute.TypeArgument arg,
                                     ClassLoader loader,
                                     org.jboss.reflect.plugins.javassist.JavassistTypeVariableSpy spy)

Gets the type info for a javassist type argument

Parameters:

arg - the type argument

loader - the class loader

spy - used to determine actual types of type variables

Returns:

the type info

getWildcardType

protected TypeInfo getWildcardType(WildcardType type)

Gets the type info for a reflect wildcard type

Parameters:

type - the wildcard type

Returns:

the type info

getClassLoaderCache

protected Map<String,WeakReference<TypeInfo>> getClassLoaderCache(ClassLoader cl)

Gets the classloader cache for the passed in classloader.

Overrides:

getClassLoaderCache in class org.jboss.util.collection.WeakClassCache<TypeInfo>

Parameters:

cl - the classloader. If null is used, the Thread context classloader will be used instead

Returns:

the cache of type infos by name

getGenericArrayType

protected TypeInfo getGenericArrayType(GenericArrayType type)

Get the type info for a reflect generic array type

Parameters:

type - the array type

Returns:

the info

getGenericArrayType

protected ArrayInfo getGenericArrayType(ClassLoader cl,
                            javassist.bytecode.SignatureAttribute.ArrayType type,
                            org.jboss.reflect.plugins.javassist.JavassistTypeVariableSpy spy)

Get the type info for a javassist array type

Parameters:

cl - the classloader

type - the array type

spy - used to determine actual types of type variables

Returns:

the type info

getGenericArrayType

protected ArrayInfo getGenericArrayType(ClassLoader cl,
                            JavassistTypeInfoFactoryImpl.ModifiableArrayType type,
                            org.jboss.reflect.plugins.javassist.JavassistTypeVariableSpy spy)

Recursively get the type info for a javassist array type

Parameters:

cl - the classloader

type - the array type

spy - used to determine actual types of type variables

Returns:

the type info

getTypeVariable

protected TypeInfo getTypeVariable(TypeVariable<?> type)

Get the type info for a reflect TypeVariable

Parameters:

type - the type variable

Returns:

the type info