1 files changed, 29 insertions, 0 deletions
diff --git a/src/wrapper/descriptors/field_desc.rs b/src/wrapper/descriptors/field_desc.rs
new file mode 100644
index 0000000..cdaf908
--- /dev/null
+++ b/src/wrapper/descriptors/field_desc.rs
@@ -0,0 +1,29 @@
+use crate::{
+    descriptors::Desc,
+    errors::*,
+    objects::{JClass, JFieldID, JStaticFieldID},
+    strings::JNIString,
+    JNIEnv,
+};
+
+impl<'a, 'c, T, U, V> Desc<'a, JFieldID<'a>> for (T, U, V)
+where
+    T: Desc<'a, JClass<'c>>,
+    U: Into<JNIString>,
+    V: Into<JNIString>,
+{
+    fn lookup(self, env: &JNIEnv<'a>) -> Result<JFieldID<'a>> {
+        env.get_field_id(self.0, self.1, self.2)
+    }
+}
+
+impl<'a, 'c, T, U, V> Desc<'a, JStaticFieldID<'a>> for (T, U, V)
+where
+    T: Desc<'a, JClass<'c>>,
+    U: Into<JNIString>,
+    V: Into<JNIString>,
+{
+    fn lookup(self, env: &JNIEnv<'a>) -> Result<JStaticFieldID<'a>> {
+        env.get_static_field_id(self.0, self.1, self.2)
+    }
+}