Env

jnat

Struct Env 

Source 
pub struct Env<'a> { /* private fields */ }
Expand description

A wrapper around the JNI environment

Implementations§

Source§

impl<'a> Env<'a>

Source

pub fn new(jni_env: &'a JNIEnv<'a>) -> Env<'a>

Creates a new Env

§Arguments
  • jni_env - The JNI environment
Source

pub fn get_jni_env(&self) -> JNIEnv<'_>

Gets the native interface

Source

pub fn get_class(&'a self, name: &str) -> Result<Class<'a>, Error>

Gets a class, given a qualified name

§Arguments
  • name - The qualified name of the class
Source

pub fn new_string(&'a self, string: &'a str) -> Result<JObject<'a>, Error>

Converts a string into a JObject

§Arguments
  • string - The string to convert
Source

pub fn get_string(&'a self, string: JString<'a>) -> Result<String, Error>

Gets a string from the JVM, given a JString

§Arguments
  • string - The JString to convert
Source

pub fn new_value(self, value: Value<'a>) -> JValueGen<&'a JObject<'a>>

Gets a JValueGen, given a Value

§Arguments
  • value - The Value to convert
Source

pub fn get_value(&self, jvaluegen: JValueGen<&'a JObject<'a>>) -> Value<'_>

Gets a Value, given a JValueGen

§Arguments
  • object - The JValueGen to convert
Source

pub fn new_boolean_array(&'a self, length: usize) -> BooleanArray<'a>

Creates a new boolean array

§Arguments
  • length - The length of the array
Source

pub fn new_byte_array(&'a self, length: usize) -> ByteArray<'a>

Creates a new byte array

§Arguments
  • length - The length of the array
Source

pub fn new_char_array(&'a self, length: usize) -> CharArray<'a>

Creates a new char array

§Arguments
  • length - The length of the array
Source

pub fn new_double_array(&'a self, length: usize) -> DoubleArray<'a>

Creates a new double array

§Arguments
  • length - The length of the array
Source

pub fn new_float_array(&'a self, length: usize) -> FloatArray<'a>

Creates a new float array

§Arguments
  • length - The length of the array
Source

pub fn new_int_array(&'a self, length: usize) -> IntArray<'a>

Creates a new int array

§Arguments
  • length - The length of the array
Source

pub fn new_long_array(&'a self, length: usize) -> LongArray<'a>

Creates a new long array

§Arguments
  • length - The length of the array
Source

pub fn new_short_array(&'a self, length: usize) -> ShortArray<'a>

Creates a new short array

§Arguments
  • length - The length of the array
Source

pub fn new_object_array(&'a self, length: usize, class: &str) -> ObjectArray<'a>

Creates a new object array

§Arguments
  • length - The length of the array
  • class - The class of the array

Trait Implementations§

Source§

impl<'a> Clone for Env<'a>

Source§

fn clone(&self) -> Env<'a>

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
Source§

impl<'a> Copy for Env<'a>

Auto Trait Implementations§

§

impl<'a> Freeze for Env<'a>

§

impl<'a> RefUnwindSafe for Env<'a>

§

impl<'a> !Send for Env<'a>

§

impl<'a> !Sync for Env<'a>

§

impl<'a> Unpin for Env<'a>

§

impl<'a> UnwindSafe for Env<'a>

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> CloneToUninit for T
where T: Clone,

Source§

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> ToOwned for T
where T: Clone,

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.