Example usage for com.mongodb DBObject get

Introduction

In this page you can find the example usage for com.mongodb DBObject get.

Prototype

Object get(String key);

Source Link

Document

Gets a field from this object by a given name.

Usage

From source file:com.andiandy.m101j.week2.hw3.SessionDAO.java

License:Apache License

public String findUserNameBySessionId(String sessionId) {
    DBObject session = getSession(sessionId);

    if (session == null) {
        return null;
    } else {/*  ww  w  .  ja v  a 2  s . co m*/
        return session.get("username").toString();
    }
}

---

From source file:com.andiandy.m101j.week2.hw3.UserDAO.java

License:Apache License

public DBObject validateLogin(String username, String password) {
    DBObject user = null;

    // XXX look in the user collection for a user that has this username
    // assign the result to the user variable.
    user = usersCollection.findOne(new BasicDBObject("_id", username));

    if (user == null) {
        System.out.println("User not in database");
        return null;
    }/*from w w w .jav  a  2s.  com*/

    String hashedAndSalted = user.get("password").toString();

    String salt = hashedAndSalted.split(",")[1];

    if (!hashedAndSalted.equals(makePasswordHash(password, salt))) {
        System.out.println("Submitted password is not a match");
        return null;
    }

    return user;
}

---

From source file:com.andiandy.m101j.week3.hw2_3.UserDAO.java

License:Apache License

public DBObject validateLogin(String username, String password) {
    DBObject user;

    user = usersCollection.findOne(new BasicDBObject("_id", username));

    if (user == null) {
        System.out.println("User not in database");
        return null;
    }/* www.j  a v  a2  s . com*/

    String hashedAndSalted = user.get("password").toString();

    String salt = hashedAndSalted.split(",")[1];

    if (!hashedAndSalted.equals(makePasswordHash(password, salt))) {
        System.out.println("Submitted password is not a match");
        return null;
    }

    return user;
}

---

From source file:com.andreig.jetty.WriteServlet.java

License:GNU General Public License

@Override
protected void doDelete(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {

    log.fine("doDelete()");

    if (!can_write(req)) {
        res.sendError(SC_UNAUTHORIZED);/*from   www  .  j  a va 2  s .c  o m*/
        return;
    }

    InputStream is = req.getInputStream();
    String db_name = req.getParameter("dbname");
    String col_name = req.getParameter("colname");
    if (db_name == null || col_name == null) {
        String names[] = req2mongonames(req);
        if (names != null) {
            db_name = names[0];
            col_name = names[1];
        }
        if (db_name == null || col_name == null) {
            error(res, SC_BAD_REQUEST, Status.get("param name missing"));
            return;
        }
    }

    DB db = mongo.getDB(db_name);

    // mongo auth
    String user = req.getParameter("user");
    String passwd = req.getParameter("passwd");
    if (user != null && passwd != null && (!db.isAuthenticated())) {
        boolean auth = db.authenticate(user, passwd.toCharArray());
        if (!auth) {
            res.sendError(SC_UNAUTHORIZED);
            return;
        }
    }

    DBCollection col = db.getCollection(col_name);

    BufferedReader r = null;
    DBObject q = null;
    try {

        r = new BufferedReader(new InputStreamReader(is));
        String data = r.readLine();
        if (data == null) {
            error(res, SC_BAD_REQUEST, Status.get("no data"));
            return;
        }
        try {
            q = (DBObject) JSON.parse(data);
        } catch (JSONParseException e) {
            error(res, SC_BAD_REQUEST, Status.get("can not parse data"));
            return;
        }

    } finally {
        if (r != null)
            r.close();
    }

    // search
    if (do_search) {

        DBCursor c = col.find(q);
        long l = c.count();
        String todelete[] = new String[(int) l];
        int n = 0;

        while (c.hasNext()) {

            DBObject o = c.next();
            ObjectId oid = (ObjectId) o.get("_id");
            String id = oid.toStringMongod();
            todelete[n++] = id;

        }
        c.close();
        search.get_writer().delete(todelete);

    }

    WriteResult wr = col.remove(q, write_concern);

    // return operation status
    if (do_return) {
        out_str(req, wr.toString());
        if (wr.getError() == null) {
            res.setStatus(SC_BAD_REQUEST);
            return;
        }
    }

    res.setStatus(SC_OK);

}

---

From source file:com.andreig.jetty.WriteServlet.java

License:GNU General Public License

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {

    log.fine("doPost()");

    if (!can_write(req)) {
        res.sendError(SC_UNAUTHORIZED);/*from   ww  w.j  av a  2  s .c  o m*/
        return;
    }

    InputStream is = req.getInputStream();
    String db_name = req.getParameter("dbname");
    String col_name = req.getParameter("colname");
    if (db_name == null || col_name == null) {
        String names[] = req2mongonames(req);
        if (names != null) {
            db_name = names[0];
            col_name = names[1];
        }
        if (db_name == null || col_name == null) {
            error(res, SC_BAD_REQUEST, Status.get("param name missing"));
            return;
        }
    }

    boolean upsert = Boolean.parseBoolean(req.getParameter("upsert"));
    boolean multi = Boolean.parseBoolean(req.getParameter("multi"));

    DB db = mongo.getDB(db_name);

    // mongo auth
    String user = req.getParameter("user");
    String passwd = req.getParameter("passwd");
    if (user != null && passwd != null && (!db.isAuthenticated())) {
        boolean auth = db.authenticate(user, passwd.toCharArray());
        if (!auth) {
            res.sendError(SC_UNAUTHORIZED);
            return;
        }
    }

    DBCollection col = db.getCollection(col_name);

    BufferedReader r = null;
    DBObject q = null, o = null;
    try {

        r = new BufferedReader(new InputStreamReader(is));
        String q_s = r.readLine();
        if (q_s == null) {
            error(res, SC_BAD_REQUEST, Status.get("no data"));
            return;
        }
        String o_s = r.readLine();
        if (o_s == null) {
            error(res, SC_BAD_REQUEST, Status.get("obj to update missing"));
            return;
        }
        try {
            q = (DBObject) JSON.parse(q_s);
            o = (DBObject) JSON.parse(o_s);
        } catch (JSONParseException e) {
            error(res, SC_BAD_REQUEST, Status.get("can not parse data"));
            return;
        }

    } finally {
        if (r != null)
            r.close();
    }
    //
    // search
    if (do_search) {

        String fn = col.getFullName();
        DBCursor c = col.find(q);
        int cnt = c.count();
        if (!multi)
            c.limit(1);
        long l = multi ? cnt : 1;
        String toupdate[] = new String[(int) l];
        int n = 0;
        boolean insert = false;

        if (upsert && !multi && cnt == 0)
            insert = true;

        while (c.hasNext()) {

            DBObject _o = c.next();
            ObjectId oid = (ObjectId) _o.get("_id");
            String id = oid.toStringMongod();
            toupdate[n++] = id;

        }
        c.close();

        List<String> flds = Config.search_index_fields.get(fn);
        boolean commit = false;
        Document doc = null;
        Search _writer = search.get_writer();
        if (flds != null && flds.size() > 0) {
            doc = new Document();
            try {
                for (String fld : flds) {
                    String val = (String) o.get(fld);
                    if (val == null)
                        continue;
                    Search.add_searchable_s(doc, fld, val);
                    commit = true;
                }
                if (commit)
                    _writer.commit(doc);
            } catch (ClassCastException e) {
                error(res, SC_BAD_REQUEST, Status.get("searchable fields must be type String"));
                return;
            } catch (CorruptIndexException e) {
                error(res, SC_BAD_REQUEST, Status.get("Search corrupt index" + e));
                return;
            }
        }
        if (commit && insert)
            log.warning("upsert with search not implemented yet");
        else
            _writer.update(toupdate, doc);

    }

    WriteResult wr = col.update(q, o, upsert, multi, write_concern);

    // return operation status
    if (do_return) {
        out_str(req, wr.toString());
        if (wr.getError() == null) {
            res.setStatus(SC_BAD_REQUEST);
            return;
        }
    }

    res.setStatus(SC_CREATED);

}

---

From source file:com.andreig.jetty.WriteServlet.java

License:GNU General Public License

@Override
protected void doPut(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {

    log.fine("doPut()");

    if (!can_write(req)) {
        res.sendError(SC_UNAUTHORIZED);//from   w  w w .jav  a 2s. c  om
        return;
    }

    InputStream is = req.getInputStream();
    String db_name = req.getParameter("dbname");
    String col_name = req.getParameter("colname");
    if (db_name == null || col_name == null) {
        String names[] = req2mongonames(req);
        if (names != null) {
            db_name = names[0];
            col_name = names[1];
        }
        if (db_name == null || col_name == null) {
            error(res, SC_BAD_REQUEST, Status.get("param name missing"));
            return;
        }
    }
    DB db = mongo.getDB(db_name);

    // mongo auth
    String user = req.getParameter("user");
    String passwd = req.getParameter("passwd");
    if (user != null && passwd != null && (!db.isAuthenticated())) {
        boolean auth = db.authenticate(user, passwd.toCharArray());
        if (!auth) {
            res.sendError(SC_UNAUTHORIZED);
            return;
        }
    }

    DBCollection col = db.getCollection(col_name);

    BufferedReader r = null;
    ArrayList<DBObject> ar = new ArrayList<DBObject>();
    try {

        r = new BufferedReader(new InputStreamReader(is));
        String data;
        while ((data = r.readLine()) != null) {
            if (data != null) {
                DBObject o;
                try {
                    o = (DBObject) JSON.parse(data);
                    ar.add(o);
                } catch (JSONParseException e) {
                    error(res, SC_BAD_REQUEST, Status.get("can not parse data"));
                    return;
                }
            }
        }

    } finally {
        if (r != null)
            r.close();
    }

    if (ar.size() == 0) {
        error(res, SC_BAD_REQUEST, Status.get("can not parse data"));
        return;
    }

    WriteResult wr = col.insert(ar, write_concern);

    // search
    if (do_search) {
        String fn = col.getFullName();
        List<String> flds = Config.search_index_fields.get(fn);
        if (flds != null && flds.size() > 0) {
            Search _writer = search.get_writer();
            try {
                for (DBObject o : ar) {
                    boolean commit = false;
                    Document doc = new Document();
                    for (String fld : flds) {
                        String val = (String) o.get(fld);
                        if (val == null)
                            continue;
                        Search.add_searchable_s(doc, fld, val);
                        commit = true;
                    }
                    if (commit) {
                        ObjectId id = (ObjectId) o.get("_id");
                        String sid = id.toStringMongod();
                        Search.add_storable(doc, "_id", sid);
                        Search.add_searchable_s(doc, "_dbid_", fn);
                        _writer.commit(doc);
                    }
                }
            } catch (ClassCastException e) {
                error(res, SC_BAD_REQUEST, Status.get("searchable fields must be type String"));
                return;
            } catch (CorruptIndexException e) {
                error(res, SC_BAD_REQUEST, Status.get("Search corrupt index" + e));
                return;
            }
        }
    }

    // return operation status
    if (do_return) {
        out_str(req, wr.toString());
        if (wr.getError() == null) {
            res.setStatus(SC_BAD_REQUEST);
            return;
        }
    }

    res.setStatus(SC_CREATED);

}

---

From source file:com.androidnatic.maps.model.HeatPoint.java

License:Open Source License

public static HeatPoint fromDBObject(DBObject cur) {
    HeatPoint toReturn = new HeatPoint();
    toReturn.intensity = (Integer) cur.get("intensity");
    toReturn.intensity *= 100 / 37.0;//  w ww.j  ava2s.c o m
    toReturn.lon = ((Double) ((BasicDBList) cur.get("loc")).get(1)).floatValue();
    toReturn.lat = ((Double) ((BasicDBList) cur.get("loc")).get(0)).floatValue();
    return toReturn;
}

---

From source file:com.aperigeek.dropvault.web.dao.MongoFileService.java

License:Open Source License

public Resource getResourceAt(Resource parent, String... path) throws ResourceNotFoundException {
    DBCollection col = mongo.getDataBase().getCollection("files");

    DBObject obj = null;
    ObjectId id = parent.getId();/*  w w  w . j a  va  2s .co  m*/

    for (String name : path) {
        if ("".equals(name) || ".".equals(name)) {
            continue;
        }

        DBObject filter = new BasicDBObjectBuilder().add("name", name).add("parent", id).get();
        obj = col.findOne(filter);

        if (obj == null) {
            throw new ResourceNotFoundException();
        }

        id = (ObjectId) obj.get("_id");
    }

    return buildResource(obj);
}

---

From source file:com.aperigeek.dropvault.web.dao.MongoFileService.java

License:Open Source License

public Resource getParent(Resource res) {
    DBCollection files = mongo.getDataBase().getCollection("files");
    DBObject resQuery = new BasicDBObject("_id", res.getId());
    DBObject dbRes = files.findOne(resQuery);
    DBObject dbParent = files.findOne(new BasicDBObject("_id", dbRes.get("parent")));
    return buildResource(dbParent);
}

---

From source file:com.aperigeek.dropvault.web.dao.MongoFileService.java

License:Open Source License

public void move(String username, Resource source, String dest) throws ResourceNotFoundException {
    String[] path = dest.split("/");
    Resource parent = getRootFolder(username);
    for (int i = 0; i < path.length - 1; i++) {
        parent = getChild(parent, path[i]);
        if (parent == null) {
            throw new ResourceNotFoundException();
        }//w w w.  j  a v  a  2s  . c  o m
    }

    DBCollection files = mongo.getDataBase().getCollection("files");

    DBObject update = new BasicDBObject("$set", new BasicDBObjectBuilder().append("parent", parent.getId())
            .append("name", path[path.length - 1]).get());

    DBObject filter = new BasicDBObject("_id", source.getId());

    DBObject current = files.findOne(filter);
    files.update(new BasicDBObject("_id", (ObjectId) current.get("parent")),
            new BasicDBObject("$set", new BasicDBObject("modificationDate", new Date())));

    files.update(filter, update);

    files.update(new BasicDBObject("_id", parent.getId()),
            new BasicDBObject("$set", new BasicDBObject("modificationDate", new Date())));
}

---

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