How to provide S3 file reference to JSON Parser

Question

I have tried using below ways and both are giving error as "java.io.FileNotFoundException"

JSONArray a = (JSONArray) parser.parse(new FileReader(bucket+"/"+key));

and

JSONArray a = (JSONArray) parser.parse(new FileReader(http://S3URL...);

Where is your JSON file? Is the program and the JSON file are in the same directory? — Metehan Toksoy, Apr 20 '18 at 05:32

score 0 · Answer 1 · answered Apr 20 '18 at 05:36

You cannot read a file from S3 directly. There are multiple ways of doing this:

Once you have read the file then you can pass the IO Stream to create your JSON Object.

This is as good as downloading the file from your bucket first and then creating a JSON Object from the read content

I copied data in a string using BufferReader and used this string as a — Sachin Kasliwal, Apr 20 '18 at 07:28

score 0 · Answer 2 · answered Apr 20 '18 at 10:27

This worked for me

BufferedReader reader = new BufferedReader(new InputStreamReader(response.getObjectContent())); String line; String iString = "";

while((line = reader.readLine()) != null) { iString = iString + line; }

JSONParser parser = new JSONParser(); JSONObject obj = (JSONObject) parser.parse(iString);

2 Answers2