com.passwdmanager.formats.JSONManager.java Source code

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Here is the source code for com.passwdmanager.formats.JSONManager.java

Source

/*
 *  Copyright (C) 2010, Ral Romn Lpez.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/. 
 *
 *  Author : Ral Romn Lpez <rroman@gsyc.es>
 *
 */

package com.passwdmanager.formats;

import java.util.ArrayList;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;

import com.passwdmanager.PasswdResource;
import com.passwdmanager.User;

public class JSONManager {

    public static String makeFile(String username, ArrayList<PasswdResource> passwords) {
        String data = "{ \n\t\"username\": \"" + username + "\", \n";
        data += "\t\"sites\": [";

        int max = passwords.size();
        for (int i = 0; i < max; i++) {
            PasswdResource pr = passwords.get(i);
            if (i > 0)
                data += ", ";
            data += "\n\t\t{";
            data += "\t\t\t\"sitename\": \"" + pr.getSite() + "\", \n";
            data += "\t\t\t\"name\": \"" + pr.getName() + "\", \n";
            data += "\t\t\t\"password\": \"" + pr.getPassword();
            if (pr.getNote() != null)
                data += "\", \n\t\t\t\"note\": \"" + pr.getNote() + "\"\n";
            else
                data += "\"\n";
            data += "\t\t}";
        }

        data += "\n\t]\n";
        data += "}";
        return data;
    }

    public static ArrayList<PasswdResource> loadFile(String file) {
        if (file == null)
            return null;
        try {
            JSONObject jo = new JSONObject(file);
            ArrayList<PasswdResource> passwords = new ArrayList<PasswdResource>();
            if (jo.has("sites")) {
                JSONArray list = jo.getJSONArray("sites");
                int max = list.length();
                for (int i = 0; i < max; i++) {
                    JSONObject site = list.getJSONObject(i);
                    if (!site.has("sitename") || !site.has("name") || !site.has("password")) {
                        Log.e("JSONManager", "Wrong object!");
                        continue;
                    }
                    PasswdResource pr = new PasswdResource();
                    pr.setSite(site.getString("sitename"));
                    pr.setName(site.getString("name"));
                    pr.setPassword(site.getString("password"));
                    if (site.has("note"))
                        pr.setNote("note");
                    passwords.add(pr);
                }
            }
            return passwords;
        } catch (JSONException e) {
            Log.e("JSONManager", "", e);
        }
        return null;
    }

    public static String makeUserFile(User user) {

        String data = "{ \n\t\"username\": \"" + user.getUsername() + "\", \n";
        data += "\t\"password\": \"" + user.getPassword() + "\" \n}";

        return data;
    }

    public static User loadUserFile(String data) {
        try {
            JSONObject jo = new JSONObject(data);
            if (jo.has("username") && jo.has("password")) {
                User user = new User();
                user.setUsername(jo.getString("username"));
                user.setPassword(jo.getString("password"));
                return user;
            }
        } catch (JSONException e) {
            Log.e("JSONManager", "", e);
        }
        return null;
    }

}