Github user ajantha-bhat commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2384#discussion_r197638028
--- Diff:
core/src/main/java/org/apache/carbondata/core/util/CarbonUtil.java ---
@@ -3116,5 +3117,48 @@ public static void
setLocalDictColumnsToWrapperSchema(List<ColumnSchema> columns
}
}
}
-}
+ /**
+ * Utility function to read a whole file as a string,
+ * Must not use this if the file is very huge. As it may result in
memory exhaustion.
+ * @param filePath
+ * @return
+ */
+ public static String readFromFile(String filePath) {
+ File file = new File(filePath);
+ URI uri = file.toURI();
+ byte[] bytes;
+ try {
+ bytes =
java.nio.file.Files.readAllBytes(java.nio.file.Paths.get(uri));
+ } catch (IOException e) {
+ e.printStackTrace();
+ return "ERROR loading file " + filePath;
+ }
+ try {
+ return new String(bytes, "UTF-8");
+ } catch (UnsupportedEncodingException e) {
+ return "ERROR while encoding to UTF-8 for file " + filePath;
+ }
+ }
+
+ /**
+ * get list of file paths with requested extensions from the path
+ * @param carbonFile
+ * @param jsonFileList
+ * @param fileExtension
+ */
+ public static void getFileList(CarbonFile carbonFile, List<String>
jsonFileList,
--- End diff --
ok. done
---
