adviewer.util.JSONIO.java Source code

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Here is the source code for adviewer.util.JSONIO.java

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/*
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package adviewer.util;

import java.io.File;
import java.io.FileReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Scanner;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONArray;

/**
 *
 * @author root
 */
public class JSONIO {

    public static ArrayList<JSONObject> jsonObjects;
    public static JSONArray jsonArray;
    public static boolean debug = true;

    /**
     * Take in file and return one string of json data
     * 
     * @return
     * @throws IOException
     */
    public static String readJSONFile(File inFile) {
        String readFile = "";

        try {
            File fileIn = inFile;

            //if the file is not there then create the file
            if (fileIn.createNewFile()) {
                System.out.println(fileIn + " was created ");
            }

            FileReader fr = new FileReader(fileIn);
            Scanner sc = new Scanner(fr);

            while (sc.hasNext()) {
                readFile += sc.nextLine().trim();
            }

            return readFile;

        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        // System.out.println( readFile  );
        return readFile;
    }

    /**
     * not fully implemented .... 
     * @param inFile 
     */
    public static void setJSONArrayFromFile(File inFile) {
        JSONIO.jsonArray = new JSONArray();
        try {
            String s = readJSONFile(inFile);

        } catch (Exception e) {

            System.err.println("Problem with parsing JSON File .... JSONIO .... line 71");
            if (debug)
                e.printStackTrace();

        }
    }

    /**
    * setter for JSON Object ArrayList
    * @throws JSONException
    */
    public static void setJsonObjects(File inFile) throws JSONException {

        JSONIO.jsonObjects = new ArrayList<JSONObject>();

        try {
            JSONIO.jsonObjects = parseReadFileString(readJSONFile(inFile));
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    /**
    * 
    *   
    *
    * pre  :
    * post :
    *
    * @param s
    * @return
    * @throws JSONException
    */
    public static ArrayList<JSONObject> parseReadFileString(String s) throws JSONException {

        //System.out.println(s);

        if (s.contains("[")) {
            s = s.substring(s.indexOf("[") + 1, s.indexOf("]"));

            if (s.contains("{")) {
                String one = s.substring(s.indexOf("{"), s.indexOf("}") + 1);
                s = s.replace(one + ",", "");

                while (!s.isEmpty()) {
                    //System.out.println(one + "\n" + s);
                    jsonObjects.add(new JSONObject(one));
                    one = s.substring(s.indexOf("{"), s.indexOf("}") + 1);
                    s = s.replace(one + ",", "");

                    if (s.equals(one)) {
                        jsonObjects.add(new JSONObject(s));
                        break;
                    }
                }
            } else {
                System.err.println("parseReadFilestring() - This is an empty JSON array");
            }

            //defines the Info class variables from the JSON Objects
            //jsonObjects = defineClassVariables(jsonObjects );

            //System.out.println(jsonObjects.toString());
        } else {
            System.out.println("No string or it was an empty string , method : parseReadFileString()");
        }

        return jsonObjects;

    }

    /**   
    * 
    *
    * pre  :
    * post :
    *
    * @param info
    * @throws JSONException
    */
    public static String printJSONArray(String arrName) throws JSONException {

        //convert the list back to a JSONObject list
        // this.jsonObjects =  infoListToJSONList( info );
        //this.setJsonStrings();
        String s;

        s = "var " + arrName + " = [";

        for (int i = 0; i < jsonObjects.size(); i++) {

            if (i < jsonObjects.size() - 1) {
                s += jsonObjects.get(i).toString(5) + ",";
            } else {
                s += jsonObjects.get(i).toString(5);
            }

        }

        s += "];";

        return s;
    }

    /**
    *   
    *
    * pre  :
    * post :
    *
    * @param info
    * @param f
    * @throws JSONException
    */
    public static void printJSONArrayToFile(String arrName, File f) throws JSONException {

        //convert the list back to a JSONObject list
        //this.jsonObjects =  infoListToJSONList( info );
        //this.setJsonStrings();

        try {

            PrintWriter writer = new PrintWriter(f);

            writer.print(JSONIO.printJSONArray(arrName));
        } catch (Exception e) {
            e.printStackTrace();
        }

    }
}