basic support for output args. works only in the original type allow slice assignment. We gently ignore TypeError if the assignation didnt work. closes #58

jnius/jnius_conversion.pxi

@@ -12,6 +12,11 @@ cdef void release_args(JNIEnv *j_env, tuple definition_args, jvalue *j_args, arg
                     argtype in ('Ljava/lang/String;', 'Ljava/lang/Object;'):
                 j_env[0].DeleteLocalRef(j_env, j_args[index].l)
         elif argtype[0] == '[':
+            ret = convert_jarray_to_python(j_env, argtype[1:], j_args[index].l)
+            try:
+                args[index][:] = ret
+            except TypeError:
+                pass
             j_env[0].DeleteLocalRef(j_env, j_args[index].l)
 
 

tests/test_output_args.py

@@ -0,0 +1,11 @@
+import unittest
+from jnius import autoclass
+
+class OutputArgs(unittest.TestCase):
+
+    def test_string_output_args(self):
+        String = autoclass('java.lang.String')
+        string = String('word'.encode('utf-8'))
+        btarray= [0] * 4
+        string.getBytes(0, 4, btarray, 0)
+        self.assertEquals(btarray, [119, 111, 114, 100])