Package org.jruby.javasupport

Class JavaClass

java.lang.Object

org.jruby.RubyBasicObject

org.jruby.RubyObject

org.jruby.javasupport.JavaObject

org.jruby.javasupport.JavaClass

All Implemented Interfaces:

Serializable, Cloneable, Comparable<IRubyObject>, InstanceVariables, InternalVariables, IRubyObject, CoreObjectType

public class JavaClass
extends JavaObject

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.jruby.RubyObject

RubyObject.Data

Nested classes/interfaces inherited from class org.jruby.RubyBasicObject

RubyBasicObject.Finalizer

Field Summary

Fields

Modifier and Type	Field	Description
private RubyArray	constructors
static final Class[]	EMPTY_CLASS_ARRAY

Fields inherited from class org.jruby.RubyObject

IVAR_INSPECTING_OBJECT_ALLOCATOR, OBJECT_ALLOCATOR, REIFYING_OBJECT_ALLOCATOR

Fields inherited from class org.jruby.RubyBasicObject

ALL_F, BASICOBJECT_ALLOCATOR, COMPARE_BY_IDENTITY_F, ERR_INSECURE_SET_INST_VAR, FALSE_F, FL_USHIFT, flags, FROZEN_F, IS_OVERLAID_F, metaClass, NEVER, NIL_F, REFINED_MODULE_F, STAMP_OFFSET, TAINTED_F, UNDEF, UNTRUST_F, USER0_F, USER1_F, USER2_F, USER3_F, USER4_F, USER5_F, USER6_F, USER7_F, USER8_F, USER9_F, USERA_F, VAR_TABLE_OFFSET, varTable, varTableStamp

Fields inherited from interface org.jruby.runtime.builtin.IRubyObject

NULL_ARRAY

Constructor Summary

Constructors

Constructor	Description
JavaClass(Ruby runtime, Class<?> klass)
JavaClass(Ruby runtime, RubyClass javaClassProxy, Class<?> klass)

Method Summary

Modifier and Type	Method	Description
private static IRubyObject	addProxyExtender(ThreadContext context, Class<?> klass, IRubyObject extender)
IRubyObject	annotation(IRubyObject annoClass)
RubyBoolean	annotation_p()
IRubyObject	annotation_present_p(IRubyObject annoClass)
IRubyObject	annotations()
RubyBoolean	annotations_p()
RubyBoolean	anonymous_class_p()
JavaClass	array_class()
RubyBoolean	array_p()
static boolean	assignable(Class<?> target, Class<?> from)
RubyBoolean	assignable_from_p(IRubyObject other)
private static RubyArray	buildConstructors(Ruby runtime, Constructor<?>[] constructors)
private static RubyArray	buildFieldResults(Ruby runtime, Field[] fields)
IRubyObject	canonical_name()
IRubyObject	class_loader()
RubyArray	classes()
JavaClass	component_type()
IRubyObject	concatArrays(ThreadContext context, JavaArray original, JavaArray additional)	Contatenate two Java arrays into a new one.
IRubyObject	concatArrays(ThreadContext context, JavaArray original, IRubyObject additional)	The slow version for when concatenating a Java array of a different type.
JavaConstructor	constructor(ThreadContext context, IRubyObject[] args)
RubyArray	constructors()
(package private) static RubyClass	createJavaClassClass(Ruby runtime, RubyModule Java, RubyClass JavaObject)
IRubyObject	declared_annotations()
RubyBoolean	declared_annotations_p()
RubyArray	declared_class_methods()
RubyArray	declared_classes()
JavaConstructor	declared_constructor(ThreadContext context, IRubyObject[] args)
RubyArray	declared_constructors()
JavaField	declared_field(ThreadContext context, IRubyObject name)
RubyArray	declared_fields()
RubyArray	declared_instance_methods()
JavaMethod	declared_method(ThreadContext context, IRubyObject[] args)
JavaCallable	declared_method_smart(ThreadContext context, IRubyObject[] args)
IRubyObject	declaring_class()
IRubyObject	emptyJavaArray(ThreadContext context)
IRubyObject	enclosing_class()
IRubyObject	enclosing_constructor()
IRubyObject	enclosing_method()
IRubyObject	enum_constants()
RubyBoolean	enum_p()
final boolean	equals(Object other)	This override does not do a "checked" dispatch.
static IRubyObject	extend_proxy(ThreadContext context, IRubyObject self, IRubyObject extender)
JavaField	field(ThreadContext context, IRubyObject name)
RubyArray	fields()
RubyBoolean	final_p()
(package private) static JavaClass	for_name(IRubyObject recv, String name)
static JavaClass	for_name(IRubyObject recv, IRubyObject name)
static JavaClass	forNameQuiet(Ruby runtime, String className)	Deprecated.
static JavaClass	forNameVerbose(Ruby runtime, String className)	Deprecated.
IRubyObject	generic_interfaces()
IRubyObject	generic_superclass()
static JavaClass	get(Ruby runtime, Class<?> klass)	Deprecated.
IRubyObject	get_package()
static Class<?>[]	getArgumentTypes(ThreadContext context, IRubyObject[] args, int offset)
static Constructor[]	getConstructors(Class<?> clazz)
static Class<?>[]	getDeclaredClasses(Class<?> clazz)
static Field[]	getDeclaredFields(Class<?> clazz)
static Field[]	getFields(Class<?> clazz)
static Class<?>	getJavaClass(ThreadContext context, RubyModule proxy)	Get the associated JavaClass for a proxy module.
static Class<?>	getJavaClassIfProxy(ThreadContext context, RubyModule type)	Retieve a JavaClass if the passed module/class is a Java proxy.
static JavaCallable	getMatchingCallable(Ruby runtime, Class<?> javaClass, String methodName, Class<?>[] argumentTypes)
final RubyClass	getProxyClass()
final RubyModule	getProxyModule()
static RubyArray	getRubyArray(Ruby runtime, Class<?>[] classes)	Deprecated.
static String	getSimpleName(Class<?> clazz)
final int	hashCode()	This override does not do "checked" dispatch since Object usually has #hash defined.
RubyString	inspect()	rb_obj_inspect call-seq: obj.inspect => string Returns a string containing a human-readable representation of obj.
RubyBoolean	interface_p()
RubyArray	interfaces()
final boolean	isAssignableFrom(Class<?> clazz)
(package private) boolean	isPrimitive()
static boolean	isProxyType(ThreadContext context, RubyModule proxy)
static IRubyObject	java_class(ThreadContext context, RubyModule type)	Deprecated.
RubyArray	java_class_methods()
RubyArray	java_instance_methods()
JavaMethod	java_method(ThreadContext context, IRubyObject[] args)
final Class	javaClass()
RubyBoolean	local_class_p()
RubyBoolean	member_class_p()
IRubyObject	modifiers()
RubyString	name()
JavaObject	new_array(IRubyObject lengthArgument)
IRubyObject	op_cmp(IRubyObject other)
RubyBoolean	primitive_p()
RubyBoolean	private_p()
RubyBoolean	protected_p()
IRubyObject	protection_domain()
RubyBoolean	public_p()
static JavaClass	resolveType(ThreadContext context, IRubyObject type)	Deprecated.
IRubyObject	resource(IRubyObject name)
IRubyObject	resource_as_stream(IRubyObject name)
IRubyObject	resource_as_string(IRubyObject name)
RubyModule	ruby_class()
IRubyObject	signers()
RubyString	simple_name()
IRubyObject	superclass()
IRubyObject	synthetic_p()
private RubyArray	toJavaMethods(Method[] methods, boolean isStatic)
static RubyArray	toRubyArray(Ruby runtime, Class<?>[] classes)	Deprecated.
IRubyObject	type_parameters()
static RaiseException	undefinedFieldError(Ruby runtime, String javaClassName, String name)

Methods inherited from class org.jruby.javasupport.JavaObject

createJavaObjectClass, dataGetStruct, dataWrapStruct, get_java_class, getJavaClass, getValue, hash, is_java_proxy, java_class, java_type, length, marshal_dump, marshal_load, op_equal, op_equal, registerRubyMethods, ruby_synchronized, ruby_synchronized, same, to_s, to_s, toJava, wrap, wrap

Methods inherited from class org.jruby.RubyObject

attachToObjectSpace, callInit, callInit, callInit, callInit, callInit, callInit, callInit, callInit, callInit, callInit, convertToType, createObjectClass, dig, dig1, dig2, eqlInternal, equalInternal, getNativeClassIndex, inspect, op_eqq, puts, specificEval, toRubyString, toString

Methods inherited from class org.jruby.RubyBasicObject

addFinalizer, anyToString, asJavaString, asString, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callSuper, checkArrayType, checkCallMethod, checkCallMethod, checkFrozen, checkStringType, checkStringType19, compareTo, convertToArray, convertToFloat, convertToHash, convertToInteger, convertToInteger, convertToInteger, convertToString, copyInstanceVariablesInto, copySpecialInstanceVariables, createBasicObjectClass, dataGetStructChecked, decode, display, dup, ensureInstanceVariablesSettable, eql, eql_p, equal_p, equal_p19, evalUnder, extend, fastGetInstanceVariable, fastGetInternalVariable, fastHasInstanceVariable, fastHasInternalVariable, fastSetInstanceVariable, fastSetInternalVariable, freeze, frozen_p, getFFIHandle, getFlag, getInstanceEvalClass, getInstanceVariable, getInstanceVariableList, getInstanceVariableNameList, getInstanceVariables, getInternalVariable, getInternalVariables, getMetaClass, getMetaClass, getNativeHandle, getNativeTypeIndex, getObjectId, getRuntime, getSingletonClass, getSingletonClassClone, getSingletonClassCloneAndAttach, getType, getVariable, getVariableCount, getVariableList, getVariableNameList, hashyInspect, hasInstanceVariable, hasInstanceVariables, hasInternalVariable, hasVariables, id, infectBy, initialize, initialize_copy, initialize19, inspectHashCode, instance_eval, instance_eval, instance_eval, instance_eval, instance_eval19, instance_eval19, instance_eval19, instance_eval19, instance_exec, instance_exec19, instance_of_p, instance_variable_defined_p, instance_variable_get, instance_variable_set, instance_variables, instance_variables19, isBuiltin, isClass, isFalse, isFrozen, isImmediate, isModule, isNil, isSpecialConst, isSpecialObject, isTaint, isTrue, isUntrusted, kind_of_p, makeMetaClass, method, method_missing, method_missing19, method19, methods, methods, methods19, nil_p, nonFixnumHashCode, OBJ_INIT_COPY, objInitCopy, op_cmp, op_equal, op_equal_19, op_match, op_match19, op_not, op_not_equal, op_not_match, private_methods, private_methods19, protected_methods, protected_methods19, public_methods, public_methods19, rbClone, rbClone, rbInspect, remove_instance_variable, removeFinalizers, removeInstanceVariable, removeInternalVariable, respond_to_p, respond_to_p, respond_to_p19, respond_to_p19, respondsTo, respondsToMissing, respondsToMissing, send, send, send, send, send, send19, send19, send19, send19, setFFIHandle, setFlag, setFrozen, setInstanceVariable, setInternalVariable, setMetaClass, setNativeHandle, setTaint, setUntrusted, setVariable, singleton_method, singleton_method_added, singleton_method_added19, singleton_method_removed, singleton_method_removed19, singleton_method_undefined, singleton_method_undefined19, singleton_methods, specificEval, specificEval, specificEval, specificEval, syncVariables, syncVariables, taint, taint, tainted_p, testFrozen, testFrozen, to_a, to_a, trust, type, type_deprecated, untaint, untrust, untrusted_p, validateInstanceVariable, validateInstanceVariable, validateInstanceVariable, variableTableContains, variableTableFastContains, variableTableFastFetch, variableTableFastStore, variableTableFetch, variableTableRemove, variableTableStore, variableTableSync, yieldUnder, yieldUnder

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

EMPTY_CLASS_ARRAY

public static final Class[] EMPTY_CLASS_ARRAY

constructors

private RubyArray constructors

Constructor Details

JavaClass

public JavaClass(Ruby runtime,
 Class<?> klass)

JavaClass

JavaClass(Ruby runtime,
 RubyClass javaClassProxy,
 Class<?> klass)

Method Details

equals

public final boolean equals(Object other)

Description copied from class: RubyObject

This override does not do a "checked" dispatch.

Overrides:

equals in class JavaObject

See Also:

• RubyBasicObject.equals(Object)

hashCode

public final int hashCode()

Description copied from class: RubyObject

This override does not do "checked" dispatch since Object usually has #hash defined.

Overrides:

hashCode in class JavaObject

See Also:

• RubyBasicObject.hashCode()

getProxyModule

public final RubyModule getProxyModule()

getProxyClass

public final RubyClass getProxyClass()

addProxyExtender

private static IRubyObject addProxyExtender(ThreadContext context,
 Class<?> klass,
 IRubyObject extender)

extend_proxy

public static IRubyObject extend_proxy(ThreadContext context,
 IRubyObject self,
 IRubyObject extender)

get

@Deprecated
public static JavaClass get(Ruby runtime,
 Class<?> klass)

Deprecated.

getRubyArray

@Deprecated
public static RubyArray getRubyArray(Ruby runtime,
 Class<?>[] classes)

Deprecated.

toRubyArray

@Deprecated
public static RubyArray toRubyArray(Ruby runtime,
 Class<?>[] classes)

Deprecated.

createJavaClassClass

static RubyClass createJavaClassClass(Ruby runtime,
 RubyModule Java,
 RubyClass JavaObject)

javaClass

public final Class javaClass()

getJavaClass

public static Class<?> getJavaClass(ThreadContext context,
 RubyModule proxy)

Get the associated JavaClass for a proxy module. The passed module/class is assumed to be a Java proxy module/class!

Parameters:

context -

proxy -

Returns:

class

getJavaClassIfProxy

public static Class<?> getJavaClassIfProxy(ThreadContext context,
 RubyModule type)

Retieve a JavaClass if the passed module/class is a Java proxy.

Parameters:

context -

type -

Returns:

class or null if not a Java proxy

isProxyType

public static boolean isProxyType(ThreadContext context,
 RubyModule proxy)

java_class

@Deprecated
public static IRubyObject java_class(ThreadContext context,
 RubyModule type)

Deprecated.

Returns the (reified or proxied) Java class if the passed Ruby module/class has one.

Parameters:

context -

type -

Returns:

Java proxy class, Java reified class or nil

resolveType

@Deprecated
public static JavaClass resolveType(ThreadContext context,
 IRubyObject type)

Deprecated.

Resolves a Java class from a passed type parameter. Uisng the rules accepted by `to_java(type)` in Ruby land.

Parameters:

context -

type -

Returns:

resolved type or null if resolution failed

forNameVerbose

@Deprecated
public static JavaClass forNameVerbose(Ruby runtime,
 String className)

Deprecated.

forNameQuiet

@Deprecated
public static JavaClass forNameQuiet(Ruby runtime,
 String className)

Deprecated.

for_name

public static JavaClass for_name(IRubyObject recv,
 IRubyObject name)

for_name

static JavaClass for_name(IRubyObject recv,
 String name)

ruby_class

public RubyModule ruby_class()

public_p

public RubyBoolean public_p()

protected_p

public RubyBoolean protected_p()

private_p

public RubyBoolean private_p()

final_p

public RubyBoolean final_p()

interface_p

public RubyBoolean interface_p()

array_p

public RubyBoolean array_p()

enum_p

public RubyBoolean enum_p()

annotation_p

public RubyBoolean annotation_p()

anonymous_class_p

public RubyBoolean anonymous_class_p()

local_class_p

public RubyBoolean local_class_p()

member_class_p

public RubyBoolean member_class_p()

synthetic_p

public IRubyObject synthetic_p()

name

public RubyString name()

inspect

public RubyString inspect()

Description copied from class: RubyBasicObject

rb_obj_inspect call-seq: obj.inspect => string Returns a string containing a human-readable representation of obj. If not overridden, uses the to_s method to generate the string. [ 1, 2, 3..4, 'five' ].inspect #=> "[1, 2, 3..4, \"five\"]" Time.new.inspect #=> "Wed Apr 09 08:54:39 CDT 2003"

Specified by:

inspect in interface IRubyObject

Overrides:

inspect in class RubyBasicObject

Returns:

String

canonical_name

public IRubyObject canonical_name()

get_package

public IRubyObject get_package()

class_loader

public IRubyObject class_loader()

protection_domain

public IRubyObject protection_domain()

resource

public IRubyObject resource(IRubyObject name)

resource_as_stream

public IRubyObject resource_as_stream(IRubyObject name)

resource_as_string

public IRubyObject resource_as_string(IRubyObject name)

annotation

public IRubyObject annotation(IRubyObject annoClass)

annotations

public IRubyObject annotations()

annotations_p

public RubyBoolean annotations_p()

declared_annotations

public IRubyObject declared_annotations()

declared_annotations_p

public RubyBoolean declared_annotations_p()

annotation_present_p

public IRubyObject annotation_present_p(IRubyObject annoClass)

modifiers

public IRubyObject modifiers()

declaring_class

public IRubyObject declaring_class()

enclosing_class

public IRubyObject enclosing_class()

enclosing_constructor

public IRubyObject enclosing_constructor()

enclosing_method

public IRubyObject enclosing_method()

enum_constants

public IRubyObject enum_constants()

generic_interfaces

public IRubyObject generic_interfaces()

generic_superclass

public IRubyObject generic_superclass()

type_parameters

public IRubyObject type_parameters()

signers

public IRubyObject signers()

getSimpleName

public static String getSimpleName(Class<?> clazz)

simple_name

public RubyString simple_name()

superclass

public IRubyObject superclass()

op_cmp

public IRubyObject op_cmp(IRubyObject other)

java_instance_methods

public RubyArray java_instance_methods()

declared_instance_methods

public RubyArray declared_instance_methods()

java_class_methods

public RubyArray java_class_methods()

declared_class_methods

public RubyArray declared_class_methods()

toJavaMethods

private RubyArray toJavaMethods(Method[] methods,
 boolean isStatic)

java_method

public JavaMethod java_method(ThreadContext context,
 IRubyObject[] args)

declared_method

public JavaMethod declared_method(ThreadContext context,
 IRubyObject[] args)

declared_method_smart

public JavaCallable declared_method_smart(ThreadContext context,
 IRubyObject[] args)

getMatchingCallable

public static JavaCallable getMatchingCallable(Ruby runtime,
 Class<?> javaClass,
 String methodName,
 Class<?>[] argumentTypes)

getArgumentTypes

public static Class<?>[] getArgumentTypes(ThreadContext context,
 IRubyObject[] args,
 int offset)

constructors

public RubyArray constructors()

classes

public RubyArray classes()

declared_classes

public RubyArray declared_classes()

declared_constructors

public RubyArray declared_constructors()

buildConstructors

private static RubyArray buildConstructors(Ruby runtime,
 Constructor<?>[] constructors)

constructor

public JavaConstructor constructor(ThreadContext context,
 IRubyObject[] args)

declared_constructor

public JavaConstructor declared_constructor(ThreadContext context,
 IRubyObject[] args)

array_class

public JavaClass array_class()

new_array

public JavaObject new_array(IRubyObject lengthArgument)

emptyJavaArray

public IRubyObject emptyJavaArray(ThreadContext context)

concatArrays

public IRubyObject concatArrays(ThreadContext context,
 JavaArray original,
 JavaArray additional)

Contatenate two Java arrays into a new one. The component type of the additional array must be assignable to the component type of the original array.

Parameters:

context -

original -

additional -

Returns:

concatArrays

public IRubyObject concatArrays(ThreadContext context,
 JavaArray original,
 IRubyObject additional)

The slow version for when concatenating a Java array of a different type.

Parameters:

context -

original -

additional -

Returns:

fields

public RubyArray fields()

declared_fields

public RubyArray declared_fields()

buildFieldResults

private static RubyArray buildFieldResults(Ruby runtime,
 Field[] fields)

field

public JavaField field(ThreadContext context,
 IRubyObject name)

declared_field

public JavaField declared_field(ThreadContext context,
 IRubyObject name)

undefinedFieldError

public static RaiseException undefinedFieldError(Ruby runtime,
 String javaClassName,
 String name)

interfaces

public RubyArray interfaces()

primitive_p

public RubyBoolean primitive_p()

isPrimitive

boolean isPrimitive()

assignable_from_p

public RubyBoolean assignable_from_p(IRubyObject other)

isAssignableFrom

public final boolean isAssignableFrom(Class<?> clazz)

assignable

public static boolean assignable(Class<?> target,
 Class<?> from)

component_type

public JavaClass component_type()

getConstructors

public static Constructor[] getConstructors(Class<?> clazz)

getDeclaredClasses

public static Class<?>[] getDeclaredClasses(Class<?> clazz)

getDeclaredFields

public static Field[] getDeclaredFields(Class<?> clazz)

getFields

public static Field[] getFields(Class<?> clazz)