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feat: into_java_object for primitive arrays

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This commit is contained in:
əlemi 2024-09-24 23:42:29 +02:00
parent d0dbd2dd3f
commit 85707fe06d
Signed by: alemi
GPG key ID: A4895B84D311642C
1 changed files with 67 additions and 9 deletions
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76
src/into_java.rs
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@ -79,15 +79,15 @@ macro_rules! auto_into_java_object {
} }
auto_into_java_object!(jni::objects::JString<'j>, "java/lang/String"); auto_into_java_object!(jni::objects::JString<'j>, "java/lang/String");
//auto_into_java_object!(jni::objects::JObjectArray<'j>, "java/lang/Object[]"); auto_into_java_object!(jni::objects::JObjectArray<'j>, "java/lang/Object[]");
//auto_into_java_object!(jni::objects::JIntArray<'j>, "java/lang/Integer[]"); auto_into_java_object!(jni::objects::JIntArray<'j>, "java/lang/Integer[]");
//auto_into_java_object!(jni::objects::JLongArray<'j>, "java/lang/Long[]"); auto_into_java_object!(jni::objects::JLongArray<'j>, "java/lang/Long[]");
//auto_into_java_object!(jni::objects::JShortArray<'j>, "java/lang/Short[]"); auto_into_java_object!(jni::objects::JShortArray<'j>, "java/lang/Short[]");
//auto_into_java_object!(jni::objects::JByteArray<'j>, "java/lang/Byte[]"); auto_into_java_object!(jni::objects::JByteArray<'j>, "java/lang/Byte[]");
//auto_into_java_object!(jni::objects::JCharArray<'j>, "java/lang/Char[]"); auto_into_java_object!(jni::objects::JCharArray<'j>, "java/lang/Char[]");
//auto_into_java_object!(jni::objects::JFloatArray<'j>, "java/lang/Float[]"); auto_into_java_object!(jni::objects::JFloatArray<'j>, "java/lang/Float[]");
//auto_into_java_object!(jni::objects::JDoubleArray<'j>, "java/lang/Double[]"); auto_into_java_object!(jni::objects::JDoubleArray<'j>, "java/lang/Double[]");
//auto_into_java_object!(jni::objects::JBooleanArray<'j>, "java/lang/Boolean[]"); auto_into_java_object!(jni::objects::JBooleanArray<'j>, "java/lang/Boolean[]");
impl<'j> IntoJavaObject<'j> for &str { impl<'j> IntoJavaObject<'j> for &str {
@ -126,6 +126,64 @@ impl<'j, T: IntoJavaObject<'j>> IntoJavaObject<'j> for Option<T> {
} }
} }
macro_rules! auto_into_java_object_primitive_array {
($t:ty, $fn_new:ident, $fn_set:ident, $clazz:literal) => {
impl<'j> IntoJavaObject<'j> for Vec<$t> {
const CLASS: &'static str = $clazz;
fn into_java_object(self, env: &mut jni::JNIEnv<'j>) -> Result<JObject<'j>, jni::errors::Error> {
let len = self.len()
.try_into()
.map_err(|_| jni::errors::Error::JniCall(jni::errors::JniError::InvalidArguments))?;
let mut array = env.$fn_new(len)?;
env.$fn_set(&mut array, 0, self.as_slice())?;
Ok(array.into())
}
}
};
}
auto_into_java_object_primitive_array!(i8, new_byte_array, set_byte_array_region, "java/lang/Byte[]");
auto_into_java_object_primitive_array!(i16, new_short_array, set_short_array_region, "java/lang/Short[]");
auto_into_java_object_primitive_array!(i32, new_int_array, set_int_array_region, "java/lang/Integer[]");
auto_into_java_object_primitive_array!(i64, new_long_array, set_long_array_region, "java/lang/Long[]");
auto_into_java_object_primitive_array!(f32, new_float_array, set_float_array_region, "java/lang/Float[]");
auto_into_java_object_primitive_array!(f64, new_double_array, set_double_array_region, "java/lang/Double[]");
impl<'j> IntoJavaObject<'j> for Vec<bool> {
const CLASS: &'static str = "java/lang/Boolean[]";
fn into_java_object(self, env: &mut jni::JNIEnv<'j>) -> Result<JObject<'j>, jni::errors::Error> {
let len = self.len()
.try_into()
.map_err(|_| jni::errors::Error::JniCall(jni::errors::JniError::InvalidArguments))?;
let mut array = env.new_boolean_array(len)?;
let new_self : Vec<u8> = self.into_iter().map(|x| if x { 1 } else { 0 }).collect();
env.set_boolean_array_region(&mut array, 0, new_self.as_slice())?;
Ok(array.into())
}
}
impl<'j> IntoJavaObject<'j> for Vec<char> {
const CLASS: &'static str = "java/lang/Char[]";
fn into_java_object(self, env: &mut jni::JNIEnv<'j>) -> Result<JObject<'j>, jni::errors::Error> {
let len = self.len()
.try_into()
.map_err(|_| jni::errors::Error::JniCall(jni::errors::JniError::InvalidArguments))?;
let mut array = env.new_char_array(len)?;
let mut new_self : Vec<u16> = Vec::new();
for c in self {
new_self.push(
c
.try_into()
.map_err(|_| jni::errors::Error::JniCall(jni::errors::JniError::InvalidArguments))?
);
}
env.set_char_array_region(&mut array, 0, new_self.as_slice())?;
Ok(array.into())
}
}
#[cfg(feature = "uuid")] #[cfg(feature = "uuid")]
impl<'j> IntoJavaObject<'j> for uuid::Uuid { impl<'j> IntoJavaObject<'j> for uuid::Uuid {
const CLASS: &'static str = "java/util/UUID"; const CLASS: &'static str = "java/util/UUID";