com.caoccao.javet.interop.proxy

Interface IJavetProxyHandler<T,E extends java.lang.Exception>

Type Parameters:

T - the type parameter

E - the type parameter

All Known Implementing Classes:

BaseJavetDirectProxyHandler, BaseJavetProxyHandler, BaseJavetReflectionProxyHandler, JavetDirectProxyFunctionHandler, JavetDirectProxyObjectHandler, JavetReflectionProxyClassHandler, JavetReflectionProxyFunctionHandler, JavetReflectionProxyObjectHandler

public interface IJavetProxyHandler<T,E extends java.lang.Exception>

The interface Javet proxy handler.

Please refer to this doc for more details.

Since:

0.9.6

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	FUNCTION_NAME_TO_JSON The constant FUNCTION_NAME_TO_JSON.
static java.lang.String	FUNCTION_NAME_TO_V8_VALUE The constant FUNCTION_NAME_TO_V8_VALUE.
static java.lang.String	PROXY_FUNCTION_NAME_APPLY The constant PROXY_FUNCTION_NAME_APPLY.
static java.lang.String	PROXY_FUNCTION_NAME_CONSTRUCT The constant PROXY_FUNCTION_NAME_CONSTRUCT.
static java.lang.String	PROXY_FUNCTION_NAME_DELETE_PROPERTY The constant PROXY_FUNCTION_NAME_DELETE_PROPERTY.
static java.lang.String	PROXY_FUNCTION_NAME_GET The constant PROXY_FUNCTION_NAME_GET.
static java.lang.String	PROXY_FUNCTION_NAME_GET_OWN_PROPERTY_DESCRIPTOR The constant PROXY_FUNCTION_NAME_GET_OWN_PROPERTY_DESCRIPTOR.
static java.lang.String	PROXY_FUNCTION_NAME_GET_PROTOTYPE_OF The constant PROXY_FUNCTION_NAME_GET_PROTOTYPE_OF.
static java.lang.String	PROXY_FUNCTION_NAME_HAS The constant PROXY_FUNCTION_NAME_HAS.
static java.lang.String	PROXY_FUNCTION_NAME_OWN_KEYS The constant PROXY_FUNCTION_NAME_OWN_KEYS.
static java.lang.String	PROXY_FUNCTION_NAME_SET The constant PROXY_FUNCTION_NAME_SET.

Method Summary

Modifier and Type	Method and Description
default V8Value	apply(V8Value target, V8Value thisObject, V8ValueArray arguments) handler.apply() The handler.apply() method is a trap for the [[Call]] object internal method, which is used by operations such as function calls.
default V8Value	construct(V8Value target, V8ValueArray arguments, V8Value newTarget) handler.construct() The handler.construct() method is a trap for the [[Construct]] object internal method, which is used by operations such as the new operator.
default V8ValueBoolean	defineProperty(V8Value target, V8Value property, V8ValueObject descriptor) handler.defineProperty() The handler.defineProperty() method is a trap for the [[DefineOwnProperty]] object internal method, which is used by operations such as Object.defineProperty().
default V8ValueBoolean	deleteProperty(V8Value target, V8Value property) handler.deleteProperty() The handler.deleteProperty() method is a trap for the [[Delete]] object internal method, which is used by operations such as the delete operator.
default V8Value	get(V8Value target, V8Value property, V8Value receiver) handler.get() The handler.get() method is a trap for the [[Get]] object internal method, which is used by operations such as property accessors.
default V8Value	getOwnPropertyDescriptor(V8Value target, V8Value property) handler.getOwnPropertyDescriptor() The handler.getOwnPropertyDescriptor() method is a trap for the [[GetOwnProperty]] object internal method, which is used by operations such as Object.getOwnPropertyDescriptor().
default V8Value	getPrototypeOf(V8Value target) handler.getPrototypeOf() The handler.getPrototypeOf() method is a trap for the [[GetPrototypeOf]] object internal method, which is used by operations such as Object.getPrototypeOf().
T	getTargetObject() Gets target object.
V8Runtime	getV8Runtime() Gets V8 runtime.
default V8ValueBoolean	has(V8Value target, V8Value property) handler.has() The handler.has() method is a trap for the [[HasProperty]] object internal method, which is used by operations such as the in operator.
default V8ValueBoolean	isExtensible(V8Value target) handler.isExtensible() The handler.isExtensible() method is a trap for the [[IsExtensible]] object internal method, which is used by operations such as Object.isExtensible().
default V8ValueArray	ownKeys(V8Value target) handler.ownKeys() The handler.ownKeys() method is a trap for the [[OwnPropertyKeys]] object internal method, which is used by operations such as Object.keys(), Reflect.ownKeys(), etc.
default V8ValueBoolean	preventExtensions(V8Value target) handler.preventExtensions() The handler.preventExtensions() method is a trap for the [[PreventExtensions]] object internal method, which is used by operations such as Object.preventExtensions().
default V8ValueBoolean	set(V8Value target, V8Value propertyKey, V8Value propertyValue, V8Value receiver) handler.set() The handler.set() method is a trap for the [[Set]] object internal method, which is used by operations such as using property accessors to set a property's value.
default V8ValueBoolean	setPrototypeOf(V8Value target, V8Value prototype) handler.setPrototypeOf() The handler.setPrototypeOf() method is a trap for the [[SetPrototypeOf]] object internal method, which is used by operations such as Object.setPrototypeOf().

Field Detail

FUNCTION_NAME_TO_JSON

static final java.lang.String FUNCTION_NAME_TO_JSON

The constant FUNCTION_NAME_TO_JSON.

Since:

3.0.4

See Also:

Constant Field Values

FUNCTION_NAME_TO_V8_VALUE

static final java.lang.String FUNCTION_NAME_TO_V8_VALUE

The constant FUNCTION_NAME_TO_V8_VALUE.

Since:

1.0.4

See Also:

Constant Field Values

PROXY_FUNCTION_NAME_APPLY

static final java.lang.String PROXY_FUNCTION_NAME_APPLY

The constant PROXY_FUNCTION_NAME_APPLY.

Since:

2.2.0

See Also:

Constant Field Values

PROXY_FUNCTION_NAME_CONSTRUCT

static final java.lang.String PROXY_FUNCTION_NAME_CONSTRUCT

The constant PROXY_FUNCTION_NAME_CONSTRUCT.

Since:

2.2.0

See Also:

Constant Field Values

PROXY_FUNCTION_NAME_DELETE_PROPERTY

static final java.lang.String PROXY_FUNCTION_NAME_DELETE_PROPERTY

The constant PROXY_FUNCTION_NAME_DELETE_PROPERTY.

Since:

3.0.3

See Also:

Constant Field Values

PROXY_FUNCTION_NAME_GET

static final java.lang.String PROXY_FUNCTION_NAME_GET

The constant PROXY_FUNCTION_NAME_GET.

Since:

2.2.0

See Also:

Constant Field Values

PROXY_FUNCTION_NAME_GET_OWN_PROPERTY_DESCRIPTOR

static final java.lang.String PROXY_FUNCTION_NAME_GET_OWN_PROPERTY_DESCRIPTOR

The constant PROXY_FUNCTION_NAME_GET_OWN_PROPERTY_DESCRIPTOR.

Since:

3.0.4

See Also:

Constant Field Values

PROXY_FUNCTION_NAME_GET_PROTOTYPE_OF

static final java.lang.String PROXY_FUNCTION_NAME_GET_PROTOTYPE_OF

The constant PROXY_FUNCTION_NAME_GET_PROTOTYPE_OF.

Since:

3.1.3

See Also:

Constant Field Values

PROXY_FUNCTION_NAME_HAS

static final java.lang.String PROXY_FUNCTION_NAME_HAS

The constant PROXY_FUNCTION_NAME_HAS.

Since:

2.2.0

See Also:

Constant Field Values

PROXY_FUNCTION_NAME_OWN_KEYS

static final java.lang.String PROXY_FUNCTION_NAME_OWN_KEYS

The constant PROXY_FUNCTION_NAME_OWN_KEYS.

Since:

2.2.0

See Also:

Constant Field Values

PROXY_FUNCTION_NAME_SET

static final java.lang.String PROXY_FUNCTION_NAME_SET

The constant PROXY_FUNCTION_NAME_SET.

Since:

2.2.0

See Also:

Constant Field Values

Method Detail

apply

default V8Value apply(V8Value target,
                      V8Value thisObject,
                      V8ValueArray arguments)
               throws JavetException,
                      E extends java.lang.Exception

handler.apply() The handler.apply() method is a trap for the [[Call]] object internal method, which is used by operations such as function calls.

Parameters:

target - the target

thisObject - this object

arguments - the arguments

Returns:

the V8 value

Throws:

JavetException - the javet exception

E - the custom exception

E extends java.lang.Exception

Since:

0.9.6

construct

default V8Value construct(V8Value target,
                          V8ValueArray arguments,
                          V8Value newTarget)
                   throws JavetException,
                          E extends java.lang.Exception

handler.construct() The handler.construct() method is a trap for the [[Construct]] object internal method, which is used by operations such as the new operator. In order for the new operation to be valid on the resulting Proxy object, the target used to initialize the proxy must itself be a valid constructor.

Parameters:

target - the target

arguments - the arguments

newTarget - the new target

Returns:

the V8 value

Throws:

JavetException - the javet exception

E - the custom exception

E extends java.lang.Exception

Since:

0.9.6

defineProperty

default V8ValueBoolean defineProperty(V8Value target,
                                      V8Value property,
                                      V8ValueObject descriptor)
                               throws JavetException,
                                      E extends java.lang.Exception

handler.defineProperty() The handler.defineProperty() method is a trap for the [[DefineOwnProperty]] object internal method, which is used by operations such as Object.defineProperty().

Parameters:

target - the target

property - the property

descriptor - the descriptor

Returns:

the V8 value boolean

Throws:

JavetException - the javet exception

E - the custom exception

E extends java.lang.Exception

Since:

2.2.0

deleteProperty

default V8ValueBoolean deleteProperty(V8Value target,
                                      V8Value property)
                               throws JavetException,
                                      E extends java.lang.Exception

handler.deleteProperty() The handler.deleteProperty() method is a trap for the [[Delete]] object internal method, which is used by operations such as the delete operator.

Parameters:

target - the target

property - the property

Returns:

the V8 value boolean

Throws:

JavetException - the javet exception

E - the custom exception

E extends java.lang.Exception

Since:

2.2.0

get

default V8Value get(V8Value target,
                    V8Value property,
                    V8Value receiver)
             throws JavetException,
                    E extends java.lang.Exception

handler.get() The handler.get() method is a trap for the [[Get]] object internal method, which is used by operations such as property accessors.

Parameters:

target - the target

property - the property

receiver - the receiver

Returns:

the V8 value

Throws:

JavetException - the javet exception

E - the custom exception

E extends java.lang.Exception

Since:

0.9.6

getOwnPropertyDescriptor

default V8Value getOwnPropertyDescriptor(V8Value target,
                                         V8Value property)
                                  throws JavetException,
                                         E extends java.lang.Exception

handler.getOwnPropertyDescriptor() The handler.getOwnPropertyDescriptor() method is a trap for the [[GetOwnProperty]] object internal method, which is used by operations such as Object.getOwnPropertyDescriptor().

Parameters:

target - the target

property - the property

Returns:

the own property descriptor

Throws:

JavetException - the javet exception

E - the custom exception

E extends java.lang.Exception

Since:

2.2.0

getPrototypeOf

default V8Value getPrototypeOf(V8Value target)
                        throws JavetException,
                               E extends java.lang.Exception

handler.getPrototypeOf() The handler.getPrototypeOf() method is a trap for the [[GetPrototypeOf]] object internal method, which is used by operations such as Object.getPrototypeOf().

Parameters:

target - the target

Returns:

the V8 value

Throws:

JavetException - the javet exception

E - the custom exception

E extends java.lang.Exception

Since:

0.9.6

getTargetObject

T getTargetObject()

Gets target object.

Returns:

the target object

Since:

0.9.6

getV8Runtime

V8Runtime getV8Runtime()

Gets V8 runtime.

Returns:

the V8 runtime

Since:

2.2.0

has

default V8ValueBoolean has(V8Value target,
                           V8Value property)
                    throws JavetException,
                           E extends java.lang.Exception

handler.has() The handler.has() method is a trap for the [[HasProperty]] object internal method, which is used by operations such as the in operator.

Parameters:

target - the target

property - the property

Returns:

the V8 value boolean

Throws:

JavetException - the javet exception

E - the custom exception

E extends java.lang.Exception

Since:

0.9.6

isExtensible

default V8ValueBoolean isExtensible(V8Value target)
                             throws JavetException,
                                    E extends java.lang.Exception

handler.isExtensible() The handler.isExtensible() method is a trap for the [[IsExtensible]] object internal method, which is used by operations such as Object.isExtensible().

Parameters:

target - the target

Returns:

the V8 value boolean

Throws:

JavetException - the javet exception

E - the custom exception

E extends java.lang.Exception

Since:

0.9.6

ownKeys

default V8ValueArray ownKeys(V8Value target)
                      throws JavetException,
                             E extends java.lang.Exception

handler.ownKeys() The handler.ownKeys() method is a trap for the [[OwnPropertyKeys]] object internal method, which is used by operations such as Object.keys(), Reflect.ownKeys(), etc.

Parameters:

target - the target

Returns:

the V8 value array

Throws:

JavetException - the javet exception

E - the custom exception

E extends java.lang.Exception

Since:

0.9.6

preventExtensions

default V8ValueBoolean preventExtensions(V8Value target)
                                  throws JavetException,
                                         E extends java.lang.Exception

handler.preventExtensions() The handler.preventExtensions() method is a trap for the [[PreventExtensions]] object internal method, which is used by operations such as Object.preventExtensions().

Parameters:

target - the target

Returns:

the V8 value boolean

Throws:

JavetException - the javet exception

E - the custom exception

E extends java.lang.Exception

Since:

0.9.6

set

default V8ValueBoolean set(V8Value target,
                           V8Value propertyKey,
                           V8Value propertyValue,
                           V8Value receiver)
                    throws JavetException,
                           E extends java.lang.Exception

handler.set() The handler.set() method is a trap for the [[Set]] object internal method, which is used by operations such as using property accessors to set a property's value.

Parameters:

target - the target

propertyKey - the property key

propertyValue - the property value

receiver - the receiver

Returns:

the V8 value boolean

Throws:

JavetException - the javet exception

E - the custom exception

E extends java.lang.Exception

Since:

0.9.6

setPrototypeOf

default V8ValueBoolean setPrototypeOf(V8Value target,
                                      V8Value prototype)
                               throws JavetException,
                                      E extends java.lang.Exception

handler.setPrototypeOf() The handler.setPrototypeOf() method is a trap for the [[SetPrototypeOf]] object internal method, which is used by operations such as Object.setPrototypeOf().

Parameters:

target - the target

prototype - the prototype

Returns:

the V8 value boolean

Throws:

JavetException - the javet exception

E - the custom exception

E extends java.lang.Exception

Since:

0.9.6