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use crate::{
objects::JObject,
sys::{jobject, jstring},
};
/// Lifetime'd representation of a `jstring`. Just a `JObject` wrapped in a new
/// class.
#[repr(transparent)]
#[derive(Clone, Copy)]
pub struct JString<'a>(JObject<'a>);
impl<'a> ::std::ops::Deref for JString<'a> {
type Target = JObject<'a>;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl<'a> From<JString<'a>> for JObject<'a> {
fn from(other: JString) -> JObject {
other.0
}
}
impl<'a> From<JObject<'a>> for JString<'a> {
fn from(other: JObject) -> Self {
unsafe { Self::from_raw(other.into_raw()) }
}
}
impl<'a> std::default::Default for JString<'a> {
fn default() -> Self {
Self(JObject::null())
}
}
impl<'a> JString<'a> {
/// Creates a [`JString`] that wraps the given `raw` [`jstring`]
///
/// # Safety
///
/// Expects a valid pointer or `null`
pub unsafe fn from_raw(raw: jstring) -> Self {
Self(JObject::from_raw(raw as jobject))
}
/// Unwrap to the raw jni type.
pub fn into_raw(self) -> jstring {
self.0.into_raw() as jstring
}
}
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