Example usage for com.mongodb.util JSON parse

List of usage examples for com.mongodb.util JSON parse

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Introduction

In this page you can find the example usage for com.mongodb.util JSON parse.

Prototype

public static Object parse(final String jsonString)

Source Link

Document

Parses a JSON string and returns a corresponding Java object.

Usage

From source file:net.jurre.edutil.persistence.MongoDB.java

License:Open Source License

private void saveData(String data, String collectionName) {
    BasicDBObject dataObj = (BasicDBObject) JSON.parse(data);
    DBCollection collection = this.db.getCollection(collectionName);

    if (!dataObj.containsField("_id")) {
        if (dataObj.containsField("id"))
            dataObj.append("_id", dataObj.get("id"));
    }/*from  w  ww.j  ava 2  s  . co  m*/
    /*
    BasicDBObject search = new BasicDBObject();
    search.put("name", dataObj.getString("name"));
    DBObject lookup = collection.findOne(search);
            
    if ( lookup != null){
    dataObj.append("_id", lookup.get("_id"));
    logger.debug("Found id adding to object");
    }
    */
    collection.save(dataObj);
}

From source file:net.kamradtfamily.mongorest.AggregateServlet.java

License:GNU General Public License

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

    log.fine("doPost()");

    InputStream is = req.getInputStream();
    String db_name = req.getParameter("dbname");
    String col_name = req.getParameter("colname");
    if (db_name == null || col_name == null) {
        error(res, SC_BAD_REQUEST, Status.get("param name missing"));
        return;/*w  w w.  j av  a2s .  c om*/
    }
    String skip = req.getParameter("skip");
    String limit = req.getParameter("limit");

    DB db = mongo.getDB(db_name);
    DBCollection col = db.getCollection(col_name);

    BufferedReader r = null;
    DBObject q = null, sort = 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;
        }
        // sort param
        data = r.readLine();
        if (data != null) {
            try {
                sort = (DBObject) JSON.parse(data);
            } catch (JSONParseException e) {
                error(res, SC_BAD_REQUEST, Status.get("can not parse sort arg"));
                return;
            }
        }

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

    DBCursor c;
    if (sort == null)
        c = col.find(q);
    else
        c = col.find(q).sort(sort);
    if (c == null) {
        error(res, SC_NOT_FOUND, Status.get("no documents found"));
        return;
    }

    res.setIntHeader("X-Documents-Count", c.count());

    if (limit != null) {
        try {
            c.limit(Math.min(Integer.parseInt(limit), MAX_FIELDS_TO_RETURN));
        } catch (NumberFormatException e) {
            error(res, SC_BAD_REQUEST, Status.get("can not parse limit"));
            c.close();
            return;
        }
    } else
        c.limit(MAX_FIELDS_TO_RETURN);

    if (skip != null) {
        try {
            c.skip(Integer.parseInt(skip));
        } catch (NumberFormatException e) {
            error(res, SC_BAD_REQUEST, Status.get("can not parse skip"));
            c.close();
            return;
        }
    }

    StringBuilder buf = tl.get();
    // reset buf
    buf.setLength(0);

    int no = 0;
    buf.append("[");
    while (c.hasNext()) {

        DBObject o = c.next();
        JSON.serialize(o, buf);
        buf.append(",");
        no++;

    }

    if (no > 0)
        buf.setCharAt(buf.length() - 1, ']');
    else
        buf.append(']');

    res.setIntHeader("X-Documents-Returned", no);

    out_str(req, buf.toString(), "application/json");

}

From source file:net.kamradtfamily.mongorest.DistinctServlet.java

License:GNU General Public License

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

    log.fine("doPost()");

    InputStream is = req.getInputStream();
    String db_name = req.getParameter("dbname");
    String col_name = req.getParameter("colname");
    String key = req.getParameter("key");
    if (db_name == null || col_name == null) {
        String names[] = req2mongonames(req);
        if (names != null) {
            db_name = names[0];/*  ww  w .j  a  v a 2s .  c o  m*/
            col_name = names[1];
        }
        if (db_name == null || col_name == null) {
            error(res, SC_BAD_REQUEST, Status.get("param name missing"));
            return;
        }
    }
    if (key == null) {
        error(res, SC_BAD_REQUEST, Status.get("param name missing"));
        return;
    }

    DB db = mongo.getDB(db_name);
    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();
    }

    List l = col.distinct(key, q);
    if (l == null || l.isEmpty()) {
        error(res, SC_NOT_FOUND, Status.get("no documents found"));
        return;
    }

    res.setIntHeader("X-Documents-Count", l.size());

    StringBuilder buf = tl.get();
    // reset buf
    buf.setLength(0);

    JSON.serialize(l, buf);
    out_str(req, buf.toString(), "application/json");

}

From source file:net.kamradtfamily.mongorest.IndexServlet.java

License:GNU General Public License

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

    log.fine("doPut()");

    InputStream is = req.getInputStream();
    String db_name = req.getParameter("dbname");
    String col_name = req.getParameter("colname");
    if (db_name == null || col_name == null) {
        error(res, SC_BAD_REQUEST, Status.get("param name missing"));
        return;//from   ww w.  j  a va 2 s .c  o  m
    }

    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;
    String data = null;

    try {

        r = new BufferedReader(new InputStreamReader(is));
        data = r.readLine();

    } finally {
        if (r != null)
            r.close();
    }
    if (data == null) {
        error(res, SC_BAD_REQUEST, Status.get("no data"));
        return;
    }

    DBObject o;
    try {
        o = (DBObject) JSON.parse(data);
    } catch (JSONParseException e) {
        error(res, SC_BAD_REQUEST, Status.get("can not parse data"));
        return;
    }

    col.createIndex(o);

    res.setStatus(SC_CREATED);

}

From source file:net.kamradtfamily.mongorest.IndexServlet.java

License:GNU General Public License

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

    log.fine("doDelete()");

    InputStream is = req.getInputStream();
    String db_name = req.getParameter("dbname");
    String col_name = req.getParameter("colname");
    if (db_name == null || col_name == null) {
        error(res, SC_BAD_REQUEST, Status.get("param name missing"));
        return;//  w  w w.ja  v a 2s  . com
    }

    BufferedReader r = null;
    String data = null;

    try {

        r = new BufferedReader(new InputStreamReader(is));
        data = r.readLine();

    } finally {
        if (r != null)
            r.close();
    }
    if (data == null) {
        error(res, SC_BAD_REQUEST, Status.get("no data"));
        return;
    }

    DBObject o;
    try {
        o = (DBObject) JSON.parse(data);
    } catch (JSONParseException e) {
        error(res, SC_BAD_REQUEST, Status.get("can not parse data"));
        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);

    col.dropIndex(o);

    res.setStatus(SC_OK);

}

From source file:net.kamradtfamily.mongorest.QueryServlet.java

License:GNU General Public License

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

    log.fine("doPost()");

    // server auth
    String ret;/*  w  ww  .ja  va 2s.c  om*/

    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;
        }
    }
    String skip = req.getParameter("skip");
    String limit = req.getParameter("limit");

    String _fields = req.getParameter("fields");
    String fields[] = null;
    if (_fields != null)
        fields = _fields.split("[,]");

    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);

    StringBuilder buf = tl.get();
    // reset buf
    buf.setLength(0);

    BufferedReader r = null;
    DBObject q = null, sort = 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);
            if (cache != null) {
                buf.append(db_name);
                buf.append(col_name);
                buf.append(data);
            }
        } catch (JSONParseException e) {
            error(res, SC_BAD_REQUEST, Status.get("can not parse data"));
            return;
        }
        // sort param
        data = r.readLine();
        if (data != null) {
            try {
                sort = (DBObject) JSON.parse(data);
            } catch (JSONParseException e) {
                error(res, SC_BAD_REQUEST, Status.get("can not parse sort arg"));
                return;
            }
            if (cache != null)
                buf.append(data);
        }

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

    // limit
    int lim;
    if (limit != null) {
        try {
            lim = Math.min(Integer.parseInt(limit), MAX_FIELDS_TO_RETURN);
        } catch (NumberFormatException e) {
            error(res, SC_BAD_REQUEST, Status.get("can not parse limit"));
            return;
        }
    } else {
        lim = MAX_FIELDS_TO_RETURN;
    }
    if (cache != null) {
        buf.append(";limit=");
        buf.append(lim);
    }

    // skip
    int sk = -1;
    if (skip != null) {
        try {
            sk = Integer.parseInt(skip);
            if (cache != null) {
                buf.append(";skip=");
                buf.append(sk);
            }
        } catch (NumberFormatException e) {
            error(res, SC_BAD_REQUEST, Status.get("can not parse skip"));
            return;
        }
    }

    // fields
    if (cache != null && _fields != null) {
        buf.append(";fields=");
        buf.append(_fields);
    }

    // from cache
    String cache_key = null;
    if (cache != null) {
        cache_key = buf.toString();
        try {
            ret = (String) cache.get(cache_key);
        }
        // some wrong char in key
        catch (IllegalArgumentException e) {
            int l = buf.length();
            for (int i = 0; i < l; i++) {
                if (buf.charAt(i) == ' ')
                    buf.setCharAt(i, '*');
            }
            cache_key = buf.toString();
            ret = (String) cache.get(cache_key);
        }
        if (ret != null) {
            out_str(req, ret, "application/json");
            return;
        }
    }

    // cursor
    DBCursor c;
    if (fields != null) {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        int len = fields.length;
        for (int i = 0; i < len; i++) {
            String s = fields[i];
            sb.append('"');
            sb.append(s);
            sb.append('"');
            sb.append(":1");
            if (i != (len - 1))
                sb.append(",");
        }
        sb.append("}");
        c = col.find(q, (DBObject) JSON.parse(sb.toString()));
    } else
        c = col.find(q);

    if (c == null || c.count() == 0) {
        error(res, SC_NOT_FOUND, Status.get("no documents found"));
        return;
    }

    if (sort != null)
        c.sort(sort);

    res.setIntHeader("X-Documents-Count", c.count());

    c.limit(lim);
    if (sk != -1)
        c.skip(sk);

    // reset buf
    buf.setLength(0);

    int no = 0;
    buf.append("[");
    while (c.hasNext()) {

        DBObject o = c.next();
        if (rm_id)
            o.removeField("_id");
        JSON.serialize(o, buf);
        buf.append(",");
        no++;

    }
    c.close();

    if (no > 0)
        buf.setCharAt(buf.length() - 1, ']');
    else
        buf.append(']');

    res.setIntHeader("X-Documents-Returned", no);

    ret = buf.toString();
    if (cache != null)
        cache.set(cache_key, ret);

    out_str(req, ret, "application/json");

}

From source file:nl.kpmg.af.service.data.DatabaseInitialiser.java

License:Apache License

private void loadMockData(List<String> mockFiles) throws IOException {
    for (String mockFile : mockFiles) {
        String[] split = mockFile.split("\\.");
        DB database = mockDatabase.mongoClient.getDB(split[0]);

        Path filePath = Paths.get(".", "src", "test", "resources", "mock", mockFile);
        BufferedReader jsonReader = Files.newBufferedReader(filePath, StandardCharsets.UTF_8);
        StringBuilder json;/*from  ww w .ja  va2  s . c  o m*/
        for (json = new StringBuilder(); jsonReader.ready(); json.append(jsonReader.readLine())) {
        }

        BasicDBList mockData = (BasicDBList) JSON.parse(json.toString());
        WriteResult insert = database.createCollection(split[1], new BasicDBObject())
                .insert(mockData.toArray(new BasicDBObject[mockData.size()]), database.getWriteConcern());

    }
}

From source file:nosqltools.DBConnection.java

/**
 * Saves a collection to the DB// w  ww. ja v  a  2s .  c o m
 * @param JSON string 
 */
public boolean saveColl(String json) {
    BasicDBList objList = null;
    List<Object> documents = new ArrayList<>();
    boolean parse_error = false;

    //Get the string from text area and typecast to basic db list and dbobjects respectively

    try {
        objList = (BasicDBList) JSON.parse(json);
        parse_error = true;

        //Add objects to array list
        for (int i = 0; i < objList.size(); i++) {
            documents.add(objList.get(i));
        }

        //Save each document to collection
        for (int i = 0; i < documents.size(); i++) {
            DBObject object = (DBObject) documents.get(i);
            collection.save(object);
        }
    } catch (Exception e) {
        parse_error = false;
    }

    return parse_error;
}

From source file:nosqltools.DBConnection.java

/**
 * Inserts a JSON objects into the collection
 * @param JSON object as a string/*  w  w w . j a va  2  s.  co m*/
 * @return true if insert operation was unsuccessful, else false
 */
public boolean insertInDatabase(String obj) {
    boolean flag = true;
    try {
        //If the object passed as a parameter is a JSON array, it is rejected
        if (json_util.isArray(obj)) {
            JOptionPane.showMessageDialog(null, "JSON Arrays are not allowed - Insert only one JSON object!",
                    "Error", JOptionPane.ERROR_MESSAGE);
        } else //If the object passed as a parameter is a JSON object
        {
            //If the object is not empty
            if (!obj.isEmpty()) {
                //Parse the object and insert into the collection
                flag = false;
                DBObject dbobj = (DBObject) JSON.parse(obj);
                collection.insert(dbobj);
                JOptionPane.showMessageDialog(null, "JSON Object " + dbobj + " has been added to Collection!",
                        "Inserted Successfully", JOptionPane.INFORMATION_MESSAGE);
            }
        }
    } catch (MongoException me) {
        JOptionPane.showMessageDialog(null, me.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
    }
    return flag;
}

From source file:nosqltools.DBConnection.java

/**
 * //  w  w  w  .ja  v  a2 s. c om
 * @param obj1
 * @param obj2
 * @return 
 */
public boolean updateDatabase(String obj1, String obj2) {
    boolean flag = false;
    try {
        if (json_util.isArray(obj1) || json_util.isArray(obj2)) {
            JOptionPane.showMessageDialog(null,
                    "JSON Arrays are not allowed - Change details for only one JSON object!", "Error",
                    JOptionPane.ERROR_MESSAGE);
        } else {

            DBObject dbobj1 = (DBObject) JSON.parse(obj1);
            DBObject dbobj2 = (DBObject) JSON.parse(obj2);

            DBCursor cursor = collection.find(dbobj1);
            int count = cursor.count();

            if (cursor.count() == 0) {
                flag = true;
                JOptionPane.showMessageDialog(null, "JSON object " + dbobj1 + " does not exist in collection!",
                        "Error", JOptionPane.ERROR_MESSAGE);
            } else {
                while (count != 0) {
                    while (cursor.hasNext()) {
                        System.out.println(cursor.next());
                    }

                    if (count != 0)
                        collection.update(dbobj1, dbobj2, true, false);
                    count--;
                }
                JOptionPane.showMessageDialog(null,
                        "JSON Object " + dbobj2 + " has been updated to Collection!", "Updated Successfully",
                        JOptionPane.INFORMATION_MESSAGE);
            }
        }
    } catch (MongoException me) {
        JOptionPane.showMessageDialog(null, me.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
    }

    return flag;
}