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:com.cyslab.craftvm.rest.mongo.IndexServlet.java

License:GNU General Public License

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

    log.trace("doPut()");

    if (!can_admin(req)) {
        res.sendError(SC_UNAUTHORIZED);/* ww w. j  a va  2  s.  co  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) {
        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;
    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 = null;
    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:com.cyslab.craftvm.rest.mongo.IndexServlet.java

License:GNU General Public License

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

    log.trace("doDelete()");

    if (!can_admin(req)) {
        res.sendError(SC_UNAUTHORIZED);/*  w  ww  .  j a  v  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) {
        error(res, SC_BAD_REQUEST, Status.get("param name missing"));
        return;
    }

    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 = null;
    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:com.cyslab.craftvm.rest.mongo.QueryServlet.java

License:GNU General Public License

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

    log.trace("doPost()");

    // server auth
    if (!can_read(req)) {
        res.sendError(SC_UNAUTHORIZED);/*from   w  w w.j  a  v  a  2s.c  om*/
        return;
    }

    String ret = null;

    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:com.cyslab.craftvm.rest.mongo.WriteServlet.java

License:GNU General Public License

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

    log.trace("doDelete()");

    if (!can_write(req)) {
        res.sendError(SC_UNAUTHORIZED);//w ww.  jav a2 s  .co  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.cyslab.craftvm.rest.mongo.WriteServlet.java

License:GNU General Public License

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

    log.trace("doPost()");

    if (!can_write(req)) {
        res.sendError(SC_UNAUTHORIZED);//www .  ja v a  2 s .  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;
        }
    }

    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;
                    _writer.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.warn("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.cyslab.craftvm.rest.mongo.WriteServlet.java

License:GNU General Public License

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

    log.trace("doPut()");

    if (!can_write(req)) {
        res.sendError(SC_UNAUTHORIZED);/*from  w w  w. java2 s  . 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;
                        _writer.add_searchable_s(doc, fld, val);
                        commit = true;
                    }
                    if (commit) {
                        ObjectId id = (ObjectId) o.get("_id");
                        String sid = id.toStringMongod();
                        _writer.add_storable(doc, "_id", sid);
                        _writer.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.deafgoat.ml.prognosticator.MongoExport.java

License:Apache License

/**
 * Writes the JSON configuration(s) to a MongoDB collection
 * /*from w w  w .j  a  v a2 s  . c  o  m*/
 * @throws FileNotFoundException
 *             If the configuration file(s) can not be found
 * @throws IOException
 *             If the configuration file(s) can not be read
 * @throws JSONException
 *             If the configuration file(s) can not be converted to a
 *             JSONObject
 */
public void writeJSON() throws FileNotFoundException, IOException, JSONException {
    BasicDBObject query = new BasicDBObject();
    for (JSONObject configJSON : _configJSONs) {
        query.put("name", configJSON.getString("name"));
        // so we don't have duplicates
        _collection.update(query, (DBObject) JSON.parse(configJSON.toString()), true, false);
    }
}

From source file:com.ebay.cloud.cms.dal.entity.datahandler.JsonTypeHandler.java

License:Apache License

@Override
public Object write(IEntity curEntity, Object value, MetaField metaField) {
    CheckConditions.checkNotNull(metaField);
    if (value == null) {
        return null;
    }/*from  ww w .  j a v a  2  s  .  com*/

    String jsonString = null;
    if (value instanceof IEntity) {
        jsonString = ((IEntity) value).toString();
    } else {
        jsonString = value.toString();
    }
    return (DBObject) JSON.parse(jsonString);
}

From source file:com.ebay.cloud.cms.dal.entity.json.datahandler.JsonHandler.java

License:Apache License

@Override
public Object read(IEntity curEntity, Object valueNode, MetaField metaField) {
    if (valueNode == null) {
        return null;
    }/*from  w  w w.  ja va2  s  .  co  m*/
    String jsonString = valueNode.toString();
    Object result = JSON.parse(jsonString);
    if (result != null) {
        CheckConditions.checkArgument(result instanceof DBObject,
                "Field '%s' should be Object. But the value is '%s'", metaField.getName(), result);
    }

    return (DBObject) result;
}

From source file:com.ebay.cloud.cms.metadata.dataloader.MetadataDataLoader.java

License:Apache License

private DBObject loadBasonFromFile(InputStream is) {
    DBObject bson;//from   w w w. j  a  v  a 2  s. c om
    try {
        bson = (DBObject) JSON.parse(convertStreamToString(is));
    } catch (Exception e) {
        throw new MetaDataException(MetaErrCodeEnum.JSON_PARING_ERROR, "parse mongo data error: ", e);
    }

    return bson;
}