diff options
| -rw-r--r-- | mullvad-jni/src/from_java.rs | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/mullvad-jni/src/from_java.rs b/mullvad-jni/src/from_java.rs deleted file mode 100644 index 3caf3fd523..0000000000 --- a/mullvad-jni/src/from_java.rs +++ /dev/null @@ -1,184 +0,0 @@ -use crate::is_null::IsNull; -use jnix::{ - jni::{ - objects::{JObject, JString}, - sys::{jboolean, JNI_FALSE}, - }, - JnixEnv, -}; -use mullvad_types::relay_constraints::{ - Constraint, LocationConstraint, RelayConstraintsUpdate, RelaySettingsUpdate, -}; -use std::fmt::Debug; - -pub trait FromJava<'env> { - type JavaType: 'env; - - fn from_java(env: &JnixEnv<'env>, source: Self::JavaType) -> Self; -} - -impl<'env> FromJava<'env> for bool { - type JavaType = jboolean; - - fn from_java(_: &JnixEnv<'env>, source: Self::JavaType) -> Self { - source != JNI_FALSE - } -} - -impl<'env, T> FromJava<'env> for Option<T> -where - T: FromJava<'env>, - T::JavaType: IsNull, -{ - type JavaType = T::JavaType; - - fn from_java(env: &JnixEnv<'env>, source: Self::JavaType) -> Self { - if source.is_null() { - None - } else { - Some(T::from_java(env, source)) - } - } -} - -impl<'env> FromJava<'env> for String { - type JavaType = JString<'env>; - - fn from_java(env: &JnixEnv<'env>, source: Self::JavaType) -> Self { - String::from( - env.get_string(source) - .expect("Failed to convert from Java String"), - ) - } -} - -impl<'env, T> FromJava<'env> for Constraint<T> -where - T: Clone + Debug + Eq + FromJava<'env>, - T::JavaType: From<JObject<'env>>, -{ - type JavaType = JObject<'env>; - - fn from_java(env: &JnixEnv<'env>, source: Self::JavaType) -> Self { - if is_instance_of(env, source, "net/mullvad/mullvadvpn/model/Constraint$Any") { - Constraint::Any - } else if is_instance_of(env, source, "net/mullvad/mullvadvpn/model/Constraint$Only") { - let value = get_object_field(env, source, "value", "Ljava/lang/Object;"); - - Constraint::Only(T::from_java(env, T::JavaType::from(value))) - } else { - panic!("Invalid Constraint Java sub-class"); - } - } -} - -impl<'env> FromJava<'env> for LocationConstraint { - type JavaType = JObject<'env>; - - fn from_java(env: &JnixEnv<'env>, source: Self::JavaType) -> Self { - let country_class = "net/mullvad/mullvadvpn/model/LocationConstraint$Country"; - let city_class = "net/mullvad/mullvadvpn/model/LocationConstraint$City"; - let hostname_class = "net/mullvad/mullvadvpn/model/LocationConstraint$Hostname"; - - if is_instance_of(env, source, country_class) { - let country = get_string_field(env, source, "countryCode"); - - LocationConstraint::Country(String::from_java(env, country)) - } else if is_instance_of(env, source, city_class) { - let country = get_string_field(env, source, "countryCode"); - let city = get_string_field(env, source, "cityCode"); - - LocationConstraint::City( - String::from_java(env, country), - String::from_java(env, city), - ) - } else if is_instance_of(env, source, hostname_class) { - let country = get_string_field(env, source, "countryCode"); - let city = get_string_field(env, source, "cityCode"); - let hostname = get_string_field(env, source, "hostname"); - - LocationConstraint::Hostname( - String::from_java(env, country), - String::from_java(env, city), - String::from_java(env, hostname), - ) - } else { - panic!("Invalid LocationConstraint Java sub-class"); - } - } -} - -impl<'env> FromJava<'env> for RelayConstraintsUpdate { - type JavaType = JObject<'env>; - - fn from_java(env: &JnixEnv<'env>, source: Self::JavaType) -> Self { - let location = get_object_field( - env, - source, - "location", - "Lnet/mullvad/mullvadvpn/model/Constraint;", - ); - - RelayConstraintsUpdate { - location: FromJava::from_java(env, location), - tunnel_protocol: None, - openvpn_constraints: None, - wireguard_constraints: None, - } - } -} - -impl<'env> FromJava<'env> for RelaySettingsUpdate { - type JavaType = JObject<'env>; - - fn from_java(env: &JnixEnv<'env>, source: Self::JavaType) -> Self { - let custom_tunnel_endpoint_class = - "net/mullvad/mullvadvpn/model/RelaySettingsUpdate$CustomTunnelEndpoint"; - let relay_constraints_update_class = - "net/mullvad/mullvadvpn/model/RelaySettingsUpdate$RelayConstraintsUpdate"; - - if is_instance_of(env, source, custom_tunnel_endpoint_class) { - unimplemented!("Can't specify custom tunnels from Android app"); - } else if is_instance_of(env, source, relay_constraints_update_class) { - RelaySettingsUpdate::Normal(RelayConstraintsUpdate::from_java(env, source)) - } else { - panic!("Invalid RelaySettingsUpdate Java sub-class"); - } - } -} - -fn is_instance_of<'env>( - env: &JnixEnv<'env>, - object: JObject<'env>, - class_name: &'static str, -) -> bool { - let class = env.get_class(class_name); - - env.is_instance_of(object, &class) - .expect("Failed to check if an object is an instance of a specified class") -} - -fn get_string_field<'env>( - env: &JnixEnv<'env>, - object: JObject<'env>, - field_name: &str, -) -> JString<'env> { - JString::from(get_object_field( - env, - object, - field_name, - "Ljava/lang/String;", - )) -} - -fn get_object_field<'env>( - env: &JnixEnv<'env>, - object: JObject<'env>, - field_name: &str, - field_type: &str, -) -> JObject<'env> { - env.get_field(object, field_name, field_type) - .expect("Failed to get field from object") - .l() - .expect("Field has incorrect Java type") -} |