/*
* Method for the setting items with the [key] operator on pyjmap. For example,
* o[key] = v. Also supports del o[key]
*/
static int pyjmap_setitem(PyObject *o, PyObject *key, PyObject *v)
{
jobject jkey = NULL;
jobject value = NULL;
PyJObject *obj = (PyJObject*) o;
JNIEnv *env = pyembed_get_env();
int result = -1;
if ((*env)->PushLocalFrame(env, JLOCAL_REFS) != 0) {
process_java_exception(env);
return -1;
}
if (v == NULL) {
// this is a del PyJMap[key] statement
if (!pyjmap_contains_key(o, key)) {
PyObject *pystr = PyObject_Str(key);
PyErr_Format(PyExc_KeyError,
"KeyError: %s",
PyString_AsString(pystr));
Py_XDECREF(pystr);
goto FINALLY;
}
jkey = PyObject_As_jobject(env, key, JOBJECT_TYPE);
if (!jkey && PyErr_Occurred()) {
goto FINALLY;
}
java_util_Map_remove(env, obj->object, jkey);
if (process_java_exception(env)) {
goto FINALLY;
}
} else {
value = PyObject_As_jobject(env, v, JOBJECT_TYPE);
if (!value && PyErr_Occurred()) {
goto FINALLY;
}
jkey = PyObject_As_jobject(env, key, JOBJECT_TYPE);
if (!jkey && PyErr_Occurred()) {
return -1;
}
java_util_Map_put(env, obj->object, jkey, value);
if (process_java_exception(env)) {
goto FINALLY;
}
}
// have to return 0 on success even though it's not documented
result = 0;
FINALLY:
(*env)->PopLocalFrame(env, NULL);
return result;
}
/*
* Method for the getting items with the [key] operator on pyjmap. For
* example, result = o[key]
*/
static PyObject* pyjmap_getitem(PyObject *o, PyObject *key)
{
jobject jkey = NULL;
jobject val = NULL;
PyJObject *obj = (PyJObject*) o;
JNIEnv *env = pyembed_get_env();
if (mapGet == 0) {
mapGet = (*env)->GetMethodID(env, JMAP_TYPE, "get",
"(Ljava/lang/Object;)Ljava/lang/Object;");
if (process_java_exception(env) || !mapGet) {
return NULL;
}
}
if (pyjobject_check(key)) {
jkey = ((PyJObject*) key)->object;
} else {
/*
* convert_pyarg_jvalue will leave jkey as NULL and set PyExc_TypeError
* if we can't handle the key type, which matches python's guidelines
*/
jvalue jvkey = convert_pyarg_jvalue(env, key, JOBJECT_TYPE, JOBJECT_ID, 1);
jkey = jvkey.l;
if (process_java_exception(env) || !jkey) {
return NULL;
}
}
val = (*env)->CallObjectMethod(env, obj->object, mapGet, jkey);
if (process_java_exception(env)) {
return NULL;
}
if (!val) {
/*
* Python docs indicate KeyError should be set if the key is not in the
* container, but some Maps allow null values. So we have to check.
*/
if (!pyjmap_contains_key(o, key)) {
PyObject *pystr = PyObject_Str(key);
PyErr_Format(PyExc_KeyError,
"KeyError: %s",
PyString_AsString(pystr));
Py_XDECREF(pystr);
return NULL;
}
}
return convert_jobject_pyobject(env, val);
}
/*
* Method for the getting items with the [key] operator on pyjmap. For
* example, result = o[key]
*/
static PyObject* pyjmap_getitem(PyObject *o, PyObject *key)
{
jobject jkey = NULL;
jobject val = NULL;
PyJObject *obj = (PyJObject*) o;
JNIEnv *env = pyembed_get_env();
PyObject *result = NULL;
if ((*env)->PushLocalFrame(env, JLOCAL_REFS) != 0) {
process_java_exception(env);
return NULL;
}
jkey = PyObject_As_jobject(env, key, JOBJECT_TYPE);
if (!jkey && PyErr_Occurred()) {
goto FINALLY;
}
val = java_util_Map_get(env, obj->object, jkey);
if (process_java_exception(env)) {
goto FINALLY;
}
if (!val) {
/*
* Python docs indicate KeyError should be set if the key is not in the
* container, but some Maps allow null values. So we have to check.
*/
if (!pyjmap_contains_key(o, key)) {
PyObject *pystr = PyObject_Str(key);
PyErr_Format(PyExc_KeyError,
"KeyError: %s",
PyString_AsString(pystr));
Py_XDECREF(pystr);
goto FINALLY;
}
}
result = convert_jobject_pyobject(env, val);
FINALLY:
(*env)->PopLocalFrame(env, NULL);
return result;
}