Gson Isn't Working

JsonParser.java

import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
import com.google.gson.stream.JsonReader;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

public class JsonParserDemo {

    private String jsonSource;
    private boolean sourceFromFile;
    public JsonParserDemo(String jsonSource, boolean sourceFromFile){
        this.jsonSource = jsonSource;
        this.sourceFromFile = sourceFromFile;
    }
    public static void main(String[] args){
        JsonParserDemo jsonParserDemo =
                new JsonParserDemo("/home/andrew/IdeaProjects/Article-Saver/json.json", true);
        try(JsonReader jsonReader = jsonParserDemo.getJsonReader()){
            jsonReader.setLenient(true);
            Gson myGson = new Gson();
            JsonParser jsonParser = new JsonParser();
            JsonArray userArray =  jsonParser.parse(jsonReader).getAsJsonArray();
            List twitterUsers = new ArrayList<>();
            for ( JsonElement aUser : userArray ){
                Source aSource = myGson.fromJson(aUser, Source.class);
                twitterUsers.add(aSource);
            }
            for ( Object tUser : twitterUsers){
                System.out.println(tUser);
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    /**
     * Obtain the JsonReader for the given source details.
     * @return the JsonReader instance
     * @throws FileNotFoundException
     */
    private JsonReader getJsonReader () throws FileNotFoundException{
        JsonReader reader = null;
        if (sourceFromFile){
            reader = new JsonReader(
                    new InputStreamReader(new FileInputStream(this.jsonSource)));
        }
        return reader;
    }
}

class Source{
    private String title;
    private String author;

    public Source(){
    }

    @Override
    public String toString(){
        return "Name: "+this.title+"\n" +
                "Screen Name: "+this.author+"\n";
    }
}