Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package mtis; import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.StringTokenizer; import org.json.simple.JSONArray; import org.json.simple.JSONObject; public class CreateDisplayJson { public String getJson(String city, String duration) throws Exception { String finalReturn = ""; JSONArray list = new JSONArray(); JSONObject finalObj = new JSONObject(); ArrayList<String> month = new ArrayList<String>(); month.add("Jan"); month.add("Feb"); month.add("Mar"); month.add("Apr"); month.add("May"); month.add("Jun"); month.add("Jul"); month.add("Aug"); month.add("Sep"); month.add("Oct"); month.add("Nov"); month.add("Dec"); Date d = new Date(); int dayCount = Integer.parseInt(duration); Long dL = d.getTime(); FileReader fr = new FileReader( "C:\\Users\\Server\\Documents\\twitterData\\" + city + "\\traffic_data_" + city + "_display.txt"); BufferedReader br = new BufferedReader(fr); String line = br.readLine(); StringBuffer text = new StringBuffer(); while (line != null) { text.append(line); line = br.readLine(); } String textData = text.toString(); textData = textData.replaceAll("\\n", " "); String fullTokens[] = textData.split("\\$\\$\\$"); for (int i = fullTokens.length - 1; i >= 1; i--) { StringTokenizer st = new StringTokenizer(fullTokens[i], "||"); String dateString = st.nextToken(); Date date = new SimpleDateFormat("EEE MMM dd HH:mm:ss z yyyy").parse(dateString); Long dateL = date.getTime(); //System.out.println(dateL); String name = st.nextToken(); name = name.replaceAll("'", " "); if (dL - ((dayCount + 1) * 86400 * 1000) <= dateL && dateL <= dL - ((dayCount) * 86400 * 1000)) { //System.out.println("i am in"); JSONObject js = new JSONObject(); js.put("userScreenName", name); System.out.println(name); js.put("userProfilePic", st.nextToken()); js.put("userId", st.nextToken()); js.put("statusId", st.nextToken()); js.put("username", st.nextToken()); js.put("text", st.nextToken()); SimpleDateFormat format = new SimpleDateFormat("hh:mm a "); //System.out.println(format.format(date)); //System.out.println(date.getDate()+"-"+month.get(date.getMonth())+" "+format.format(date)); //System.out.println(dateL); js.put("time", date.getDate() + "-" + month.get(date.getMonth()) + " " + format.format(date)); list.add(js); } line = br.readLine(); } finalObj.put("locations", list); br.close(); finalReturn = finalObj.toString(); System.out.println(finalReturn); return finalReturn; } }