org.jboss.reflect.plugins.bytecode
Class BytecodeTypeInfoFactoryImpl

java.lang.Object
  org.jboss.util.collection.WeakClassCache<TypeInfo>
      org.jboss.reflect.plugins.bytecode.BytecodeTypeInfoFactoryImpl

All Implemented Interfaces:

AnnotationHelper, TypeInfoFactory

public class BytecodeTypeInfoFactoryImpl
extends org.jboss.util.collection.WeakClassCache<TypeInfo>
implements TypeInfoFactory, AnnotationHelper

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

Version:

$Revision: 105101 $

Author:

Adrian Brock

Nested Class Summary

protected static class

BytecodeTypeInfoFactoryImpl.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

Constructor Summary

BytecodeTypeInfoFactoryImpl()

Method Summary

AnnotationValue	createAnnotationValue(AnnotationInfo info, Object ann) Create an annotation from the underlying implementation and its info type
protected TypeInfo	createTypeInfoForTypeArgument(javassist.bytecode.SignatureAttribute.TypeArgument arg, ClassLoader loader, org.jboss.reflect.plugins.bytecode.BytecodeTypeVariableSpy 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(ClassBytes classBytes, 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.
ClassLoaderFinder	getClassLoaderFinder()
protected ArrayInfo	getGenericArrayType(ClassLoader cl, BytecodeTypeInfoFactoryImpl.ModifiableArrayType type, org.jboss.reflect.plugins.bytecode.BytecodeTypeVariableSpy 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.bytecode.BytecodeTypeVariableSpy 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
protected TypeInfo	getParameterizedType(ParameterizedType type) Creates a type info from a reflect generic paramemeterized type
TypeInfo	getTypeInfo(Class<?> clazz) Get a type info
protected TypeInfo	getTypeInfo(ClassLoader loader, javassist.bytecode.SignatureAttribute.ClassType type, org.jboss.reflect.plugins.bytecode.BytecodeTypeVariableSpy 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.bytecode.BytecodeTypeVariableSpy spy) Gets the type info for a javassist type
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(String name, ClassBytes classBytes, Class<?> clazz)
void	setClassLoaderFinder(ClassLoaderFinder finder)

Methods inherited from class java.lang.Object

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

Constructor Detail

BytecodeTypeInfoFactoryImpl

public BytecodeTypeInfoFactoryImpl()

Method Detail

getClassLoaderFinder

public ClassLoaderFinder getClassLoaderFinder()

setClassLoaderFinder

public void setClassLoaderFinder(ClassLoaderFinder finder)

instantiate

protected TypeInfo instantiate(Class clazz)

Specified by:

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

instantiate

protected TypeInfo instantiate(String name,
                               ClassBytes classBytes,
                               Class<?> clazz)

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:

type - the type

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(ClassBytes classBytes,
                       Class<?> clazz,
                       String name,
                       ClassLoader cl,
                       boolean delegateToReflectIfNotFound)
                throws ClassNotFoundException

Get the information for a class

Parameters:

classBytes - the class bytes, may be null

clazz - the class, may be null

name - the name of the class

cl - the class loader initiating the lookup

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

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.bytecode.BytecodeTypeVariableSpy 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.bytecode.BytecodeTypeVariableSpy spy)

Gets the type info for a javassist generic class type

Parameters:

loader - the class loader of the raw class

parameterloaders - the class of the

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.bytecode.BytecodeTypeVariableSpy 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.bytecode.BytecodeTypeVariableSpy 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,
                                        BytecodeTypeInfoFactoryImpl.ModifiableArrayType type,
                                        org.jboss.reflect.plugins.bytecode.BytecodeTypeVariableSpy 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