PyObject* pyjiterator_next(PyObject* self) {
jmethodID hasNext = NULL;
jboolean nextAvail = JNI_FALSE;
PyJobject_Object *pyjob = (PyJobject_Object*) self;
JNIEnv *env = pyembed_get_env();
hasNext = (*env)->GetMethodID(env, pyjob->clazz, "hasNext", "()Z");
if(process_java_exception(env)) {
return NULL;
}
nextAvail = (*env)->CallBooleanMethod(env, pyjob->object, hasNext);
if(process_java_exception(env)) {
return NULL;
}
if(nextAvail) {
jobject nextItem;
jmethodID next;
next = (*env)->GetMethodID(env, pyjob->clazz, "next", "()Ljava/lang/Object;");
if(process_java_exception(env) || !next) {
return NULL;
}
nextItem = (*env)->CallObjectMethod(env, pyjob->object, next);
if(process_java_exception(env)) {
return NULL;
}
return convert_jobject_pyobject(env, nextItem);
}
return NULL;
}
/*
* 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;
}
