Example usage for com.mongodb MongoClient getDB

Introduction

In this page you can find the example usage for com.mongodb MongoClient getDB.

Prototype

@Deprecated 
public DB getDB(final String dbName) 

Source Link

Document

Gets a database object.

Usage

From source file:DeleteUser.java

protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("application/json");
    response.setCharacterEncoding("utf-8");
    response.setHeader("Access-Control-Allow-Origin", "*");
    try {/*from  w ww. j  a  va2 s .c om*/
        out = response.getWriter();
        String id = request.getParameter("id");
        System.out.println("id received : " + id);
        MongoClient mongoClient = new MongoClient("localhost", 27017);
        // Now connect to your databases
        DB db = mongoClient.getDB("XHiring");
        System.out.println("Connect to database successfully");
        DBCollection coll = db.getCollection("users");
        System.out.println("Collection users selected successfully");
        //read example
        try {
            BasicDBObject query = new BasicDBObject("_id", new ObjectId(id));
            coll.findAndRemove(query);
            success = new JSONObject();
            success.put("message", "document deleted");
            out.println(success);
        } catch (NullPointerException ex) {
            error = new JSONObject();
            error.put("message", "No result found");
            out.println(error);
        }
        System.out.println("Document deleted successfully");
    } catch (Exception e) {
        exception = new JSONObject();
        try {
            exception.put("message", "exception");
            out.println(exception);
        } catch (JSONException ex) {
            Logger.getLogger(DeleteUser.class.getName()).log(Level.SEVERE, null, ex);
        }
        System.err.println(e.getClass().getName() + ": " + e.getMessage());
        e.printStackTrace();
    }

}

---

From source file:Vehicle_exit.java

public void fetch() {
    try {/*from w ww  .  j  a v  a2 s .  co m*/
        MongoClient mc = new MongoClient("localhost", 27017);
        DB db = mc.getDB("parking_system");
        DBCollection collectionx = db.getCollection("entry_info");

        if (veh_count == 2) {

            BasicDBObject queryx = new BasicDBObject();
            BasicDBObject fieldx = new BasicDBObject();
            fieldx.put("vehno", 1);
            DBCursor cursorx = collectionx.find(queryx, fieldx);

            while (cursorx.hasNext()) {

                System.out.println("hmmmWOW---n");
                BasicDBObject objx = (BasicDBObject) cursorx.next();

                char[] temp;
                temp = objx.getString("vehno").toCharArray();
                char last;
                last = temp[temp.length - 1];

                if (last == '2') {

                    vehno_combo.addItem(objx.get("vehno").toString());

                }
                System.out.println("hello");

            }
        } else if (veh_count == 4) {

            BasicDBObject queryx = new BasicDBObject();
            BasicDBObject fieldx = new BasicDBObject();
            fieldx.put("vehno", 1);
            DBCursor cursorx = collectionx.find(queryx, fieldx);

            while (cursorx.hasNext()) {

                System.out.println("hmmmWOW---n");
                BasicDBObject objx = (BasicDBObject) cursorx.next();

                char[] temp;
                temp = objx.getString("vehno").toCharArray();
                char last;
                last = temp[temp.length - 1];

                if (last == '4') {

                    vehno_combo.addItem(objx.get("vehno").toString());
                    //vehno = vehno_combo.getSelectedItem().toString();
                }
                System.out.println("hello");

            }
        }

        else {

            BasicDBObject queryx = new BasicDBObject();
            BasicDBObject fieldx = new BasicDBObject();
            fieldx.put("vehno", 1);
            DBCursor cursorx = collectionx.find(queryx, fieldx);

            while (cursorx.hasNext()) {

                System.out.println("hmmmWOW---n");
                BasicDBObject objx = (BasicDBObject) cursorx.next();

                char[] temp;
                temp = objx.getString("vehno").toCharArray();
                char last;
                last = temp[temp.length - 1];

                if (last == '6') {

                    vehno_combo.addItem(objx.get("vehno").toString());
                    //vehno = vehno_combo.getSelectedItem().toString();
                }
                System.out.println("hello");

            }
        }
    } catch (Exception e) {
    }
}

---

From source file:Vehicle_exit.java

private void Exit_buttonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_Exit_buttonActionPerformed
    // TODO add your handling code here:

    try {//from w w  w .j  a v  a2  s  .c  o  m
        vehno = vehno_combo.getSelectedItem().toString();
        vehno_copy = vehno;
        System.out.println("in button number niald" + vehno);

        MongoClient mc = new MongoClient("localhost", 27017);
        DB db = mc.getDB("parking_system");
        DBCollection collection = db.getCollection("entry_info");

        BasicDBObject query_time = new BasicDBObject();
        BasicDBObject field_time = new BasicDBObject();
        field_time.put("intime", 1);
        DBCursor cursor = collection.find(query_time, field_time);

        BasicDBObject query_token = new BasicDBObject();
        BasicDBObject field_token = new BasicDBObject();
        field_time.put("vehno", 1);
        DBCursor cursor_token = collection.find(query_token, field_token);

        while (cursor.hasNext()) {
            BasicDBObject obj_time = (BasicDBObject) cursor.next();
            in_time_mills = Long.parseLong(obj_time.getString("intime"));

            BasicDBObject obj_token = (BasicDBObject) cursor_token.next();
            //db_token = obj_token.getInt("_id");
            vehno_db = obj_token.getString("vehno");
            System.out.println(vehno_db);
            System.out.println("hello");

            System.out.println("hey ayu");

            DBCollection collection1 = db.getCollection("vehicle_count");
            DBCollection collection2 = db.getCollection("statistics");
            vehno = vehno_copy;
            if (veh_count == 2) {
                //vehno = vehno + "W2";

                if (vehno.equals(vehno_db)) {

                    flag = 1;

                    BasicDBObject deleteObject = new BasicDBObject();
                    //deleteObject.put("_id",Token);
                    deleteObject.put("vehno", vehno);
                    DBCursor findQuery = collection.find(deleteObject);
                    collection.remove(deleteObject);

                    int count_bike;
                    BasicDBObject query = new BasicDBObject();
                    BasicDBObject field = new BasicDBObject();
                    field.put("wheeler_2", 1);
                    DBCursor cursor1 = collection1.find(query, field);

                    BasicDBObject obj = (BasicDBObject) cursor1.next();
                    count_bike = obj.getInt("wheeler_2");

                    System.out.println(count_bike);

                    BasicDBObject searchUpdate = new BasicDBObject();
                    searchUpdate.append("wheeler_2", count_bike);

                    BasicDBObject UpdateObject = new BasicDBObject();
                    UpdateObject.append("$set", new BasicDBObject("wheeler_2", count_bike - 1));

                    collection1.update(searchUpdate, UpdateObject);

                    System.out.println("Checking...");

                    time_diff = exit_time_mills - in_time_mills;
                    time_diff = time_diff / 1000;
                    time_diff = time_diff / 60;
                    System.out.println("difftime" + time_diff);
                    if (time_diff > 60)
                        charges = 20 + (time_diff) / 2;
                    else
                        charges = 20;

                    //updating session...

                    int income_bike;
                    BasicDBObject query2 = new BasicDBObject();
                    BasicDBObject field2 = new BasicDBObject();
                    field2.put("2wheeler_income", 1);
                    DBCursor cursor2 = collection2.find(query2, field2);

                    BasicDBObject obj2 = (BasicDBObject) cursor2.next();
                    income_bike = obj2.getInt("2wheeler_income");
                    System.out.println(income_bike);

                    BasicDBObject searchUpdate2 = new BasicDBObject();
                    searchUpdate2.append("2wheeler_income", income_bike);

                    BasicDBObject UpdateObject2 = new BasicDBObject();
                    UpdateObject2.append("$set", new BasicDBObject("2wheeler_income", income_bike + charges));

                    collection2.update(searchUpdate2, UpdateObject2);

                    JOptionPane.showMessageDialog(null, "Vehicle Out !\n" +
                    /*"In Time : " + in_time_mills + "\n" +*/
                            "Extra Parking Time : " + time_diff + "Min.\n" + "Charges : " + charges);

                    System.out.println("Checked...");

                    setVisible(false);
                    new Entry_OR_Exit().setVisible(true);
                    break;
                }
            }

            else if (veh_count == 4) {

                //vehno = vehno + "W4";

                if (vehno.equals(vehno_db)) {

                    flag = 1;

                    BasicDBObject deleteObject = new BasicDBObject();
                    //deleteObject.put("_id",Token);
                    deleteObject.put("vehno", vehno);
                    DBCursor findQuery = collection.find(deleteObject);
                    collection.remove(deleteObject);

                    int count_car;

                    BasicDBObject query = new BasicDBObject();
                    BasicDBObject field = new BasicDBObject();
                    field.put("wheeler_4", 1);
                    DBCursor cursor1 = collection1.find(query, field);

                    BasicDBObject obj = (BasicDBObject) cursor1.next();
                    count_car = obj.getInt("wheeler_4");
                    System.out.println(count_car);

                    BasicDBObject searchUpdate = new BasicDBObject();
                    searchUpdate.append("wheeler_4", count_car);

                    BasicDBObject UpdateObject = new BasicDBObject();
                    UpdateObject.append("$set", new BasicDBObject("wheeler_4", count_car - 1));

                    collection1.update(searchUpdate, UpdateObject);

                    System.out.println("Checking...2");

                    time_diff = exit_time_mills - in_time_mills;
                    time_diff = time_diff / 1000;
                    time_diff = time_diff / 60;
                    System.out.println("difftime" + time_diff);
                    if (time_diff > 60)
                        charges = 40 + (time_diff) * 3 / 2;
                    else
                        charges = 40;

                    //Session update....

                    int income_car;
                    BasicDBObject query2 = new BasicDBObject();
                    BasicDBObject field2 = new BasicDBObject();
                    field2.put("4wheeler_income", 1);
                    DBCursor cursor2 = collection2.find(query2, field2);

                    BasicDBObject obj2 = (BasicDBObject) cursor2.next();
                    income_car = obj2.getInt("4wheeler_income");
                    System.out.println(income_car);

                    BasicDBObject searchUpdate2 = new BasicDBObject();
                    searchUpdate2.append("4wheeler_income", income_car);

                    BasicDBObject UpdateObject2 = new BasicDBObject();
                    UpdateObject2.append("$set", new BasicDBObject("4wheeler_income", income_car + charges));

                    collection2.update(searchUpdate2, UpdateObject2);

                    JOptionPane.showMessageDialog(null, "Vehicle Out !\n" +
                    /*"In Time : " + in_time_mills + "\n" +*/
                            "Extra Parking Time : " + time_diff + "Min.\n" + "Charges : " + charges);

                    System.out.println("Checking...2");

                    setVisible(false);
                    new Entry_OR_Exit().setVisible(true);
                    break;

                }
            } else {

                //vehno = vehno + "W6";
                if (vehno.equals(vehno_db)) {

                    flag = 1;

                    BasicDBObject deleteObject = new BasicDBObject();
                    //deleteObject.put("_id",Token);
                    deleteObject.put("vehno", vehno);
                    DBCursor findQuery = collection.find(deleteObject);
                    collection.remove(deleteObject);

                    int count_other;

                    BasicDBObject query = new BasicDBObject();
                    BasicDBObject field = new BasicDBObject();
                    field.put("other", 1);
                    DBCursor cursor1 = collection1.find(query, field);

                    BasicDBObject obj = (BasicDBObject) cursor1.next();
                    count_other = obj.getInt("other");

                    System.out.println(count_other);

                    BasicDBObject searchUpdate = new BasicDBObject();
                    searchUpdate.append("other", count_other);

                    BasicDBObject UpdateObject = new BasicDBObject();
                    UpdateObject.append("$set", new BasicDBObject("other", count_other - 1));

                    collection1.update(searchUpdate, UpdateObject);

                    System.out.println("Checking...3");

                    time_diff = exit_time_mills - in_time_mills;
                    time_diff = time_diff / 1000;
                    time_diff = time_diff / 60;
                    System.out.println("difftime" + time_diff);
                    if (time_diff > 60)
                        charges = 60 + (time_diff);
                    else
                        charges = 60;

                    //sessiuon update....

                    int income_other;
                    BasicDBObject query2 = new BasicDBObject();
                    BasicDBObject field2 = new BasicDBObject();
                    field2.put("other_income", 1);
                    DBCursor cursor2 = collection2.find(query2, field2);

                    BasicDBObject obj2 = (BasicDBObject) cursor2.next();
                    income_other = obj2.getInt("other_income");
                    System.out.println(income_other);

                    BasicDBObject searchUpdate2 = new BasicDBObject();
                    searchUpdate2.append("other_income", income_other);

                    BasicDBObject UpdateObject2 = new BasicDBObject();
                    UpdateObject2.append("$set", new BasicDBObject("other_income", income_other + charges));

                    collection2.update(searchUpdate2, UpdateObject2);

                    JOptionPane.showMessageDialog(null, "Vehicle Out !\n" +
                    /*"In Time : " + in_time_mills + "\n" +*/
                            "Extra Parking Time : " + time_diff + "Min.\n" + "Charges : " + charges);

                    System.out.println("Checked...3");
                    setVisible(false);
                    new Entry_OR_Exit().setVisible(true);
                    break;

                }
            }
            //}
        }
        if (flag == 0) {
            JOptionPane.showMessageDialog(null, "Invalid Vehicle Number or Type");
            setVisible(false);
            new Entry_OR_Exit().setVisible(true);
        }
        /*
        BasicDBObject searchUpdate = new BasicDBObject();
        searchUpdate.append("wheeler_2", count_bike);
                
        BasicDBObject UpdateObject = new BasicDBObject();
        UpdateObject.append("$set", new BasicDBObject("wheeler_2", count_bike + 1));
                
        collection.update(searchUpdate, UpdateObject);
                
        */
        //}
    } catch (Exception e) {

    }

}

---

From source file:AllUser.java

protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    try (PrintWriter out = response.getWriter()) {
        al = new ArrayList<String>();
        // To connect to mongodb server
        MongoClient mongoClient = new MongoClient("localhost", 27017);

        // Now connect to your databases
        DB db = mongoClient.getDB("XHiring");
        System.out.println("Connect to database successfully");
        DBCollection coll = db.getCollection("users");
        System.out.println("Collection mycol selected successfully");

        DBCursor cursor = coll.find();/*from   w w  w.ja  v  a2s.  co m*/
        int i = 1;
        try {
            while (cursor.hasNext()) {

                al.add(cursor.next().toString());
                i++;
            }
        } finally {
            System.out.println("arra: " + al);
            Genson obj = new Genson();
            out.println(obj.serialize(al));
        }

    } catch (Exception e) {
        System.err.println(e.getClass().getName() + ": " + e.getMessage());
    }
}

---

From source file:FollowingCnt.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.//from   w  w  w  .j  a  va 2 s.com
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    String username = request.getParameter("username");

    try {
        MongoClient mongo = new MongoClient("localhost", 27017);
        DB db = mongo.getDB("test");
        System.out.println("Connection established");
        DBCollection User = db.getCollection("User");

        BasicDBObject query = new BasicDBObject("username", username);
        DBCursor curssc = User.find(query);
        ArrayList<String> e = new ArrayList();
        e = (ArrayList<String>) curssc.next().get("following_username");
        out.println(e.size());
    } catch (Exception e) {
        System.err.println(e.getClass().getName() + ": " + e.getMessage());
    }
}

---

From source file:gMIRC_handler.java

/**
 * Add a user to a channel (can check if the channel is a new channel)
 *
 * @param Username/*from   w w w.  java2  s.c o m*/
 * @param Channel
 * @return code
 */
private int AddChannel(String Username, String Channel) {
    int ret = 0;
    try {

        MongoClient mongoClient = new MongoClient();
        DB db = mongoClient.getDB("mirc");
        DBCollection coll = db.getCollection("channelCollection");
        BasicDBObject query = new BasicDBObject("username", Username).append("channel", Channel);

        DBCursor cursor = coll.find(query);

        try {
            if (cursor.hasNext()) {
                ret = 1;
                System.err.println(Username + " has joined Channel : " + Channel + "!");
            } else {
                query = new BasicDBObject("channel", Channel);
                DBCursor cursor2 = coll.find(query);
                try {
                    if (!cursor2.hasNext()) {
                        ret = 2;
                    }
                } finally {
                    cursor2.close();
                }
                BasicDBObject doc = new BasicDBObject("username", Username).append("channel", Channel);
                coll.insert(doc);
                System.out.println(Username + " joined Channel : " + Channel);
            }
        } finally {
            cursor.close();
        }

    } catch (UnknownHostException ex) {
        Logger.getLogger(gMIRC_handler.class.getName()).log(Level.SEVERE, null, ex);
    }
    return ret;
}

---

From source file:gMIRC_handler.java

/**
 * Delete a user from a channel (used in leave method)
 *
 * @param Channel//from www .  ja va  2s .  com
 * @param Username
 * @return code
 */
private int DeleteChannelUser(String Channel, String Username) {
    int ret = 0;
    try {

        MongoClient mongoClient = new MongoClient();
        DB db = mongoClient.getDB("mirc");
        DBCollection coll = db.getCollection("channelCollection");
        BasicDBObject query = new BasicDBObject("username", Username).append("channel", Channel);

        DBCursor cursor = coll.find(query);

        try {
            ret = 1;
            while (cursor.hasNext()) {
                ret = 1;
                coll.remove(cursor.next());
                ret = 0;
            }
        } finally {
            cursor.close();
        }

    } catch (UnknownHostException ex) {
        Logger.getLogger(gMIRC_handler.class.getName()).log(Level.SEVERE, null, ex);
    }
    System.out.println(Username + " has leaved Channel : " + Channel);
    return ret;
}

---

From source file:gMIRC_handler.java

/**
 * Delete a user in all channel (used in cleaning)
 *
 * @param Username//  w ww  .  j  a va 2  s.co m
 * @return code
 */
public int DeleteUserInChannel(String Username) {
    int ret = 0;
    try {

        MongoClient mongoClient = new MongoClient();
        DB db = mongoClient.getDB("mirc");
        DBCollection coll = db.getCollection("channelCollection");
        BasicDBObject query = new BasicDBObject("username", Username);

        DBCursor cursor = coll.find(query);

        try {
            while (cursor.hasNext()) {
                coll.remove(cursor.next());
            }
        } finally {
            cursor.close();
        }

    } catch (UnknownHostException ex) {
        Logger.getLogger(gMIRC_handler.class.getName()).log(Level.SEVERE, null, ex);
    }
    System.out.println(Username + " has been deleted in Channel Collection!");
    return ret;
}

---

From source file:gMIRC_handler.java

/**
 * Register a user to the server (used in RegUser)
 *
 * @param username/* www . j  ava 2s . c  o m*/
 * @return code
 */
private int AddUser(String username) {
    int ret = 0;
    try {

        MongoClient mongoClient = new MongoClient();
        DB db = mongoClient.getDB("mirc");
        DBCollection coll = db.getCollection("activeUser");
        BasicDBObject query = new BasicDBObject("username", username);

        DBCursor cursor = coll.find(query);

        try {
            if (cursor.hasNext()) {
                Date now = new Date();
                long timestamp_now = now.getTime();
                long treshold = timestamp_now - (1000 * 10); //10
                BasicDBObject temp = (BasicDBObject) cursor.next();
                Date time_temp = (Date) temp.get("timestamp");
                long timestamp_temp = time_temp.getTime();
                if (timestamp_temp < treshold) {
                    ret = 2;
                    System.out.println(username + " has joined back!");
                } else {
                    ret = 1;
                    System.err.println(username + " has been used !");
                }
            } else {
                java.util.Date date = new java.util.Date();
                BasicDBObject doc = new BasicDBObject("username", username).append("timestamp", date);
                coll.insert(doc);
                System.out.println(username + " online !");
            }
        } finally {
            cursor.close();
        }

    } catch (UnknownHostException ex) {
        Logger.getLogger(gMIRC_handler.class.getName()).log(Level.SEVERE, null, ex);
    }
    return ret;
}

---

From source file:gMIRC_handler.java

private int UpdateLastActive(String username) {
    int ret = 0;//from  w w  w .j  ava2s. c om
    try {

        MongoClient mongoClient = new MongoClient();
        DB db = mongoClient.getDB("mirc");
        DBCollection coll = db.getCollection("activeUser");
        BasicDBObject query = new BasicDBObject("username", username);

        DBCursor cursor = coll.find(query);

        try {
            if (cursor.hasNext()) {
                DBObject temp = cursor.next();
                java.util.Date date = new java.util.Date();
                temp.put("timestamp", date);
                coll.save(temp);
            } else {
                java.util.Date date = new java.util.Date();
                BasicDBObject doc = new BasicDBObject("username", username).append("timestamp", date);
                coll.insert(doc);
                System.out.println(username + " online !");
            }
        } finally {
            cursor.close();
        }

    } catch (UnknownHostException ex) {
        Logger.getLogger(gMIRC_handler.class.getName()).log(Level.SEVERE, null, ex);
    }
    return 0;
}

---

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