Example usage for io.vertx.core.json JsonObject JsonObject

List of usage examples for io.vertx.core.json JsonObject JsonObject

  1. HOME
  2. Java
  3. io.vertx
  4. io.vertx.core.json.*
  5. JsonObject
  6. JsonObject

Introduction

In this page you can find the example usage for io.vertx.core.json JsonObject JsonObject.

Prototype

public JsonObject()

Source Link

Document

Create a new, empty instance

Usage

From source file:com.iot.i4.server.I4Server.java

@Override
public void start() throws Exception {
    // Create a mongo client using all defaults (connect to localhost and default port) using the database name "demo".
    JsonObject config = new JsonObject().put("connection_string", "mongodb://localhost:27017").put("db_name",
            "i4");
    mongo = MongoClient.createShared(Vertx.vertx(), config);

    // the load function just populates some data on the storage
    loadData(mongo);//from  ww w. j  a v  a 2 s.c  om

    Router router = Router.router(Vertx.vertx());
    router.route().handler(BodyHandler.create());

    //1.findAll payloads
    router.get("/api/payloads").handler(ctx -> {
        mongo.find("payloads", new JsonObject(), lookup -> {
            // error handling
            if (lookup.failed()) {
                ctx.fail(500);
                return;
            }

            // now convert the list to a JsonArray because it will be easier to encode the final object as the response.
            final JsonArray json = new JsonArray();
            for (JsonObject o : lookup.result()) {
                json.add(o);
            }
            ctx.response().putHeader(HttpHeaders.CONTENT_TYPE, "application/json");
            ctx.response().end(json.encode());
        });
    });

    //1. findAll
    router.get("/api/users").handler(ctx -> {
        mongo.find("users", new JsonObject(), lookup -> {
            // error handling
            if (lookup.failed()) {
                ctx.fail(500);
                return;
            }
            // now convert the list to a JsonArray because it will be easier to encode the final object as the response.
            final JsonArray json = new JsonArray();
            for (JsonObject o : lookup.result()) {
                json.add(o);
            }
            ctx.response().putHeader(HttpHeaders.CONTENT_TYPE, "application/json");
            ctx.response().end(json.encode());
        });
    });

    //2.findOne
    router.get("/api/users/:id").handler(ctx -> {
        mongo.findOne("users", new JsonObject().put("_id", ctx.request().getParam("id")), null, lookup -> {
            // error handling
            if (lookup.failed()) {
                ctx.fail(500);
                return;
            }

            JsonObject user = lookup.result();

            if (user == null) {
                ctx.fail(404);
            } else {
                ctx.response().putHeader(HttpHeaders.CONTENT_TYPE, "application/json");
                ctx.response().end(user.encode());
            }
        });
    });

    router.post("/api/users").handler(ctx -> {
        JsonObject newUser = ctx.getBodyAsJson();

        mongo.findOne("users", new JsonObject().put("username", newUser.getString("username")), null,
                lookup -> {
                    // error handling
                    if (lookup.failed()) {
                        ctx.fail(500);
                        return;
                    }

                    JsonObject user = lookup.result();

                    if (user != null) {
                        // already exists
                        ctx.fail(500);
                    } else {
                        mongo.insert("users", newUser, insert -> {
                            // error handling
                            if (insert.failed()) {
                                ctx.fail(500);
                                return;
                            }

                            // add the generated id to the user object
                            newUser.put("_id", insert.result());

                            ctx.response().putHeader(HttpHeaders.CONTENT_TYPE, "application/json");
                            ctx.response().end(newUser.encode());
                        });
                    }
                });
    });

    router.put("/api/users/:id").handler(ctx -> {
        mongo.findOne("users", new JsonObject().put("_id", ctx.request().getParam("id")), null, lookup -> {
            // error handling
            if (lookup.failed()) {
                ctx.fail(500);
                return;
            }

            JsonObject user = lookup.result();

            if (user == null) {
                // does not exist
                ctx.fail(404);
            } else {

                // update the user properties
                JsonObject update = ctx.getBodyAsJson();

                user.put("username", update.getString("username"));
                user.put("firstName", update.getString("firstName"));
                user.put("lastName", update.getString("lastName"));
                user.put("address", update.getString("address"));

                mongo.replace("users", new JsonObject().put("_id", ctx.request().getParam("id")), user,
                        replace -> {
                            // error handling
                            if (replace.failed()) {
                                ctx.fail(500);
                                return;
                            }

                            ctx.response().putHeader(HttpHeaders.CONTENT_TYPE, "application/json");
                            ctx.response().end(user.encode());
                        });
            }
        });
    });

    router.delete("/api/users/:id").handler(ctx -> {
        mongo.findOne("users", new JsonObject().put("_id", ctx.request().getParam("id")), null, lookup -> {
            // error handling
            if (lookup.failed()) {
                ctx.fail(500);
                return;
            }

            JsonObject user = lookup.result();

            if (user == null) {
                // does not exist
                ctx.fail(404);
            } else {

                mongo.remove("users", new JsonObject().put("_id", ctx.request().getParam("id")), remove -> {
                    // error handling
                    if (remove.failed()) {
                        ctx.fail(500);
                        return;
                    }

                    ctx.response().setStatusCode(204);
                    ctx.response().end();
                });
            }
        });
    });
    // Create a router endpoint for the static content.
    router.route().handler(StaticHandler.create());
    Vertx.vertx().createHttpServer().requestHandler(router::accept).listen(8080);
    //Vertx.vertx().createHttpServer().requestHandler(req -> req.response().end("Hello World From I4Server!")).listen(8080);
    System.out.println("Server started & listening to [8080]");
}

From source file:com.iot.i4.server.I4Server.java

private void loadData(MongoClient db) {
    /*/*from w ww. j a v a2 s.c o m*/
    db.dropCollection("users", drop -> {
    if (drop.failed()) {
        throw new RuntimeException(drop.cause());
    }
    List<JsonObject> users = new LinkedList<>();
    users.add(new JsonObject()
            .put("username", "mks")
            .put("firstName", "Siva")
            .put("lastName", "Kalidasan")
            .put("address", "India"));
    users.add(new JsonObject()
            .put("username", "timfox")
            .put("firstName", "Tim")
            .put("lastName", "Fox")
            .put("address", "The Moon"));
    for (JsonObject user : users) {
        db.insert("users", user, res -> {
            System.out.println("inserted " + user.encode());
        });
    }
    });*/

    List<JsonObject> users = new LinkedList<>();
    users.add(new JsonObject().put("username", "mks").put("firstName", "Siva").put("lastName", "Kalidasan")
            .put("address", "India"));
    users.add(new JsonObject().put("username", "timfox").put("firstName", "Tim").put("lastName", "Fox")
            .put("address", "The Moon"));
    for (JsonObject user : users) {
        //                db.insert("users", user, res -> {
        //                    System.out.println("inserted " + user.encode());
        //                });
    }

    //insert some payload
    List<JsonObject> payloads = new LinkedList<>();
    for (int i = 1; i <= 5000; i++) {
        payloads.add(new JsonObject().put("deviceId", "DEV0" + i).put("deviceName", "Arduino" + i)
                .put("hubId", "CBE0" + i).put("status", "On").put("receivedOn", new Date().toString()));
    }

    for (JsonObject payload : payloads) {
        db.insert("payloads", payload, res -> {
            //System.out.println("inserted " + payload.encode());
        });
    }
    System.out.println("inserted");
}

From source file:com.jedlab.vertee.DatabaseServiceVertxEBProxy.java

License:Apache License

public void persist(JsonObject document, Handler<AsyncResult<JsonObject>> resultHandle) {
    if (closed) {
        resultHandle.handle(Future.failedFuture(new IllegalStateException("Proxy is closed")));
        return;//from  ww w . j  a v a 2s  . co m
    }
    JsonObject _json = new JsonObject();
    _json.put("document", document);
    DeliveryOptions _deliveryOptions = (_options != null) ? new DeliveryOptions(_options)
            : new DeliveryOptions();
    _deliveryOptions.addHeader("action", "persist");
    _vertx.eventBus().<JsonObject>send(_address, _json, _deliveryOptions, res -> {
        if (res.failed()) {
            resultHandle.handle(Future.failedFuture(res.cause()));
        } else {
            resultHandle.handle(Future.succeededFuture(res.result().body()));
        }
    });
}

From source file:com.julienviet.childprocess.ProcessOptions.java

License:Apache License

public JsonObject toJson() {
    JsonObject json = new JsonObject();
    ProcessOptionsConverter.toJson(this, json);
    return json;
}

From source file:com.kumuluz.ee.samples.reactive.vertx.DiscoveryVerticle.java

License:MIT License

private void createServer() {
    HttpServer server = vertx.createHttpServer();
    Router router = Router.router(vertx);

    router.get("/").handler(routingContext -> {
        routingContext.response().end((new JsonObject().put("status", "UP")).toString());
    });//from w  ww  .  j  av  a 2  s  .c om

    router.get("/discover").handler(routingContext -> {
        getService(routingContext.response());
    });

    server.requestHandler(router::accept).listen(8082);
}

From source file:com.kumuluz.ee.samples.reactive.vertx.DiscoveryVerticle.java

License:MIT License

private void getService(HttpServerResponse response) {
    vertx.eventBus().send(REQUEST_ADDRESS, SERVICE, ar -> {
        if (ar.succeeded() && ar.result() != null) {
            JsonObject reply = (JsonObject) ar.result().body();
            response.end(reply.toString());
        } else {//from   www .j a  v  a 2s  .com
            response.end((new JsonObject().put("message", "Failed to retrieve service url.")).toString());
        }
    });
}

From source file:com.kumuluz.ee.samples.reactive.vertx.VertxResource.java

License:MIT License

@POST
@Path("publish")
public Response sendMessage(Message message) {
    tacos.send(message.getContent());//www . j a  v  a  2  s  .  c  o m

    JsonObject reponse = new JsonObject().put("message", message.getContent()).put("status", "sent");

    return Response.ok(reponse.encodePrettily()).build();
}

From source file:com.nasa.ElasticSearchAdapter.java

public JsonObject getSymptoms(String word) throws IOException {
    JsonObject result = new JsonObject();
    JsonArray matchesArr = new JsonArray();
    String data = "{\n" + "    \"size\": 0,\n" + "    \"aggs\" : {\n" + "        \"langs\" : {\n"
            + "            \"terms\" : { \"field\" : \"symptoms.name\" }\n" + "        }\n" + "    }\n" + "}";
    JsonObject response = doPost(ES_URL + "/healthy-travel/feedback/_search", data);

    JsonArray items = response.getJsonObject("aggregations").getJsonObject("langs").getJsonArray("buckets");

    for (Object item : items) {
        JsonObject obj = (JsonObject) item;
        String key = obj.getString("key");
        if (key != null && obj.getString("key").startsWith(word)) {
            matchesArr.add(key);/* w  w w.j  a v a2 s .  com*/
        }
    }

    result.put("symptoms", matchesArr);

    return result;
}

From source file:com.nasa.ElasticSearchAdapter.java

public JsonObject getConditions(String word) throws IOException {
    JsonObject result = new JsonObject();
    JsonArray matchesArr = new JsonArray();
    String data = "{\n" + "    \"size\": 0,\n" + "    \"aggs\" : {\n" + "        \"langs\" : {\n"
            + "            \"terms\" : { \"field\" : \"condition\" }\n" + "        }\n" + "    }\n" + "}";
    JsonObject response = doPost(ES_URL + "/healthy-travel/feedback/_search", data);

    JsonArray items = response.getJsonObject("aggregations").getJsonObject("langs").getJsonArray("buckets");

    for (Object item : items) {
        JsonObject obj = (JsonObject) item;
        String key = obj.getString("key");
        if (key != null && obj.getString("key").startsWith(word)) {
            matchesArr.add(key);/*from   w w w.ja v a  2s .  co m*/
        }
    }

    result.put("conditions", matchesArr);

    return result;
}

From source file:com.nasa.ElasticSearchAdapter.java

public JsonArray getCheck(Float lat, Float lon) throws IOException {
    JsonArray matchesArr = new JsonArray();
    String data = "{\n" + "    \"size\": 0,\n" + "   \"query\": {\n" + "      \"filtered\": {\n"
            + "         \"query\": {\n" + "            \"match_all\": {}\n" + "         },\n"
            + "         \"filter\": {\n" + "            \"geo_distance\": {\n"
            + "               \"distance\": \"100km\",\n" + "               \"location\": {\n"
            + "                  \"lat\": " + lat + ",\n" + "                  \"lon\": " + lon + "\n"
            + "               }\n" + "            }\n" + "         }\n" + "      }\n" + "   },\n"
            + "   \"aggs\": {\n" + "      \"langs\": {\n" + "         \"terms\": {\n"
            + "            \"field\": \"condition\"\n" + "         }\n" + "      }\n" + "   }\n" + "}";
    JsonObject response = doPost(ES_URL + "/healthy-travel/feedback/_search", data);

    JsonArray items = response.getJsonObject("aggregations").getJsonObject("langs").getJsonArray("buckets");

    for (Object item : items) {
        JsonObject obj = (JsonObject) item;
        String key = obj.getString("key");
        int value = obj.getInteger("doc_count");

        if (key != null && value > 0) {
            JsonObject cond = new JsonObject();
            cond.put("name", key);
            cond.put("reported_cases", value);
            matchesArr.add(cond);// www.  ja  v a  2 s. c  om
        }
    }

    return matchesArr;
}