Struct Object 

pub struct Object(/* private fields */);

java.lang.Object

The bottom type for all java::Classes, as well as the target for java::Object casts.

Implementations

impl Object

pub fn is_instance_of<T>(&self, e: &mut Env<'_>) -> bool

where T: Type,

Is this object instanceof C?

pub fn upcast_to<T>(self, e: &mut Env<'_>) -> T

where T: Object,

Shorthand for T::upcast(e, jobj)

pub fn new_reference(&self, e: &mut Env<'_>) -> Self

Create a new global reference to the same object

pub fn to_string(&self, e: &mut Env<'_>) -> String

Invoke String toString()

pub fn equals(&self, e: &mut Env<'_>, other: &Object) -> bool

Invoke boolean equals(Object o)

pub fn to_value<'a>(&self, e: &mut Env<'a>) -> JValueGen<JObject<'a>>

Convert an object reference to an owned local jvalue

pub fn to_local<'a>(&self, e: &mut Env<'a>) -> JObject<'a>

Convert an object reference to an owned local jobject

pub fn into_global(self) -> GlobalRef

Unwrap an object’s inner global reference

pub fn from_value<'a, 'b>(e: &mut Env<'a>, jv: JValueGen<JObject<'b>>) -> Self

where 'a: 'b,

Convert an owned local jvalue to an object

pub fn from_value_ref<'a, 'b, 'c>( e: &mut Env<'a>, jv: JValueGen<&'c JObject<'b>>, ) -> Self

where 'a: 'b, 'c: 'b,

Convert a borrowed local jvalue to an object

pub fn from_local<'a, 'b, T>(e: &mut Env<'a>, t: T) -> Self

where T: AsRef<JObject<'b>>, 'a: 'b,

Convert a local jobject to an object

pub fn from_global(t: GlobalRef) -> Self

Convert a global reference to an object

pub fn as_value(&self) -> JValueGen<&JObject<'static>>

Convert an object reference to a borrowed local JValue

pub fn as_local(&self) -> &JObject<'static>

Convert an object reference to an owned local JObject

pub fn as_global(&self) -> &GlobalRef

Get a reference to this object’s inner GlobalRef

Methods from Deref<Target = JObject<'static>>

pub fn as_raw(&self) -> *mut _jobject

Returns the raw JNI pointer.

Trait Implementations

impl AsRef<JObject<'static>> for Object

fn as_ref(&self) -> &JObject<'static>

Converts this type into a shared reference of the (usually inferred) input type.

impl Class for Object

const PATH: &'static str = "java/lang/Object"

The fully qualified java class path (slash-separated)

impl Deref for Object

type Target = JObject<'static>

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl From<GlobalRef> for Object

fn from(value: GlobalRef) -> Self

Converts to this type from the input type.

impl From<Object> for GlobalRef

fn from(value: Object) -> Self

Converts to this type from the input type.

impl Object for Object

fn upcast(_: &mut Env<'_>, jobj: Object) -> Self

Try to interpret an object as Self

fn downcast(self, _: &mut Env<'_>) -> Object

Create an object reference from self

fn downcast_ref(&self, e: &mut Env<'_>) -> Object

Create an object reference from &self

fn upcast_value_ref<'e>(e: &mut Env<'e>, jv: JValue<'e, '_>) -> Self

where Self: Sized,

Try to interpret a JValue as Self

fn upcast_value<'e>(e: &mut Env<'e>, jv: JValueOwned<'e>) -> Self

where Self: Sized,

Try to interpret a JValueOwned as Self

fn downcast_value<'e>(self, e: &mut Env<'e>) -> JValueOwned<'e>

where Self: Sized,

Create a JValueOwned from self

fn yield_to_java(&self, e: &mut Env<'_>) -> jobject

Use this to yield ownership of a java::lang::Object to the JVM, for example when returning a jobject from a native function.