1 files changed, 43 insertions, 0 deletions
diff --git a/native/jni/src/utils/jni_data_utils.h b/native/jni/src/utils/jni_data_utils.h
new file mode 100644
index 000000000..e0bbdfdc3
--- /dev/null
+++ b/native/jni/src/utils/jni_data_utils.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LATINIME_JNI_DATA_UTILS_H
+#define LATINIME_JNI_DATA_UTILS_H
+
+#include <vector>
+
+#include "defines.h"
+#include "jni.h"
+
+namespace latinime {
+
+class JniDataUtils {
+ public:
+    static void jintarrayToVector(JNIEnv *env, jintArray array, std::vector<int> *const outVector) {
+        if (!array) {
+            outVector->clear();
+            return;
+        }
+        const jsize arrayLength = env->GetArrayLength(array);
+        outVector->resize(arrayLength);
+        env->GetIntArrayRegion(array, 0 /* start */, arrayLength, outVector->data());
+    }
+
+ private:
+    DISALLOW_IMPLICIT_CONSTRUCTORS(JniDataUtils);
+};
+} // namespace latinime
+#endif // LATINIME_JNI_DATA_UTILS_H