Method static_class

rust/src/api/mod.rs:522–546

Retrieves the static class `class_name`.

(&self, class_name: &str)

    /// Retrieves the static class `class_name`.
    pub fn static_class(&self, class_name: &str) -> errors::Result<Instance> {
        debug(&format!("Retrieving static class {}", class_name));
        unsafe {
            // Factory invocation - first argument: create a jstring to pass as argument for the class_name
            let class_name_jstring: jstring =
                jni_utils::global_jobject_from_str(class_name, self.jni_env)?;

            // Call the method of the factory that creates a Instance for static calls to methods of class `class_name`.
            // This returns a Instance that acts like a proxy to the Java world.
            let java_instance = (opt_to_res(cache::get_jni_call_static_object_method())?)(
                self.jni_env,
                cache::get_factory_class()?,
                cache::get_factory_create_for_static_method()?,
                class_name_jstring,
            );

            jni_utils::delete_java_ref(self.jni_env, class_name_jstring);

            // Create and return the Instance.
            Self::do_return(
                self.jni_env,
                Instance::from_jobject_with_global_ref(java_instance)?,
            )
        }
    }

    /// Creates a new Java Array with elements of the class `class_name`.
    /// The array will have the `InvocationArg`s populated.