1 files changed, 0 insertions, 120 deletions
diff --git a/src/Chapter5/trends/ExtractDatasetTrend.java b/src/Chapter5/trends/ExtractDatasetTrend.java
deleted file mode 100644
index dad7f27..0000000
--- a/src/Chapter5/trends/ExtractDatasetTrend.java
+++ /dev/null
@@ -1,120 +0,0 @@
-/* TweetTracker. Copyright (c) Arizona Board of Regents on behalf of Arizona State University
- * @author shamanth
- */
-package Chapter5.trends;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.Set;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-import org.json.JSONArray;
-import org.json.JSONException;
-import org.json.JSONObject;
-
-public class ExtractDatasetTrend
-{
-    static final String DEF_INFILENAME = "ows.json";
-    // Date pattern used to count the volume of tweets
-    final SimpleDateFormat SDM = new SimpleDateFormat("dd MMM yyyy HH:mm");
-
-    public JSONArray GenerateDataTrend(String inFilename)
-    {
-        BufferedReader br = null;
-        JSONArray result = new JSONArray();
-        HashMap<String,Integer> datecount = new HashMap<String,Integer>();
-        try{
-            br= new BufferedReader(new InputStreamReader(new FileInputStream(inFilename),"UTF-8"));
-            String temp = "";
-            while((temp = br.readLine())!=null)
-            {
-                try {
-                    JSONObject jobj = new JSONObject(temp);
-                    long timestamp = jobj.getLong("timestamp");
-                    Date d = new Date(timestamp);
-                    String strdate = SDM.format(d);
-                    if(datecount.containsKey(strdate))
-                    {
-                        datecount.put(strdate, datecount.get(strdate)+1);
-                    }
-                    else
-                    {
-                        datecount.put(strdate, 1);
-                    }
-                } catch (JSONException ex) {
-                    Logger.getLogger(ExtractDatasetTrend.class.getName()).log(Level.SEVERE, null, ex);
-                }                
-            }
-            /** DateInfo consists of a date string and the corresponding count.
-              * It also implements a Comparator for sorting by date
-              */
-            ArrayList<DateInfo> dinfos = new ArrayList<DateInfo>();
-            Set<String> keys = datecount.keySet();
-            for(String key:keys)
-            {
-                DateInfo dinfo = new DateInfo();
-                try {
-                    dinfo.d = SDM.parse(key);
-                } catch (ParseException ex) {
-                    ex.printStackTrace();
-                    continue;
-                }
-                dinfo.count = datecount.get(key);
-                dinfos.add(dinfo);
-            }
-            Collections.sort(dinfos);
-            // Format and return the date string and the corresponding count
-            for(DateInfo dinfo:dinfos)
-            {
-                try{
-                    JSONObject jobj = new JSONObject();
-                    jobj.put("date", SDM.format(dinfo.d));
-                    jobj.put("count", dinfo.count);
-                    result.put(jobj);
-                }catch(JSONException ex)
-                {
-                    ex.printStackTrace();
-                }
-            }
-        }catch(IOException ex)
-        {
-            ex.printStackTrace();
-        }finally{
-            try {
-                br.close();
-            } catch (IOException ex) {
-                Logger.getLogger(ExtractDatasetTrend.class.getName()).log(Level.SEVERE, null, ex);
-            }
-        }
-        return result;
-    }
-
-    public static void main(String[] args)
-    {
-        ExtractDatasetTrend edt = new ExtractDatasetTrend();
-        
-        String infilename = DEF_INFILENAME;
-        if(args!=null)
-        {
-            if(args.length>=1&&!args[0].isEmpty())
-            {
-                File fl = new File(args[0]);
-                if(fl.exists())
-                {
-                    infilename = args[0];
-                }
-            }
-        }
-        System.out.println(edt.GenerateDataTrend(infilename));
-    }
-
-}