Example usage for com.google.gson JsonDeserializer JsonDeserializer

Introduction

In this page you can find the example usage for com.google.gson JsonDeserializer JsonDeserializer.

Prototype

JsonDeserializer

Source Link

Usage

From source file:tweets.UserRepo.java

public static User getUser(String Pseudo) throws URISyntaxException {

    URI fromUri = new URI("http://localhost:7474/db/data/cypher");
    String fileContent = null;/*from w ww .ja v a2s  .  c o m*/
    WebResource resource = Client.create().resource(fromUri);
    String cypher = "{\n" + "  \"query\" : \"MATCH (n:user) WHERE n.Pseudo='" + Pseudo
            + "' RETURN n.name, n.Email, n.LastName, id(n), n.Pseudo \",\n" + "  \"params\" : {\n" + "  }\n"
            + "}";

    // POST JSON to the relationships URI
    ClientResponse response = resource.accept(MediaType.APPLICATION_JSON).type(MediaType.APPLICATION_JSON)
            .entity(cypher).post(ClientResponse.class);

    //System.out.println(response.getEntity(String.class));
    fileContent = response.getEntity(String.class);

    response.close();

    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(User.class, new JsonDeserializer<User>() {

        @Override
        public User deserialize(JsonElement je, Type type, JsonDeserializationContext jdc)
                throws JsonParseException {
            User s = null;
            try {
                JsonElement fields = je.getAsJsonObject().get("data");
                //System.out.println(je.getAsJsonObject());
                JsonArray coordinatesArray = fields.getAsJsonArray();
                System.out.println(coordinatesArray.get(0));
                String[] parts = coordinatesArray.get(0).toString().replace("\"", "").replace("[", "")
                        .replace("]", "").split(",");

                s = new User(parts[0], parts[2], parts[1], new URI(BASE_URI + "node/" + parts[3]), parts[4]);

            } catch (URISyntaxException | IndexOutOfBoundsException ex) {
                Logger.getLogger(UserRepo.class.getName()).log(Level.SEVERE, null, ex);
            }

            return s;
        }
    });
    Gson gson = builder.create();
    User s = gson.fromJson(fileContent, User.class);
    return s;

}

---

From source file:tweets.UserRepo.java

public static Tweet[] GetTweets(User S) throws URISyntaxException {
    URI fromUri = new URI("http://localhost:7474/db/data/cypher");

    WebResource resource = Client.create().resource(fromUri);
    String cypher = "{\n" + "  \"query\" : \" MATCH (n:user { Pseudo:'" + S.getPseudo()
            + "' })--(t:tweet) RETURN t.Message, id(t) \",\n" + "  \"params\" : {\n" + "  }\n" + "}";
    ;//from  w w w. j  a  va  2 s.  c o m

    // POST JSON to the relationships URI
    ClientResponse response = resource.accept(MediaType.APPLICATION_JSON).type(MediaType.APPLICATION_JSON)
            .entity(cypher).post(ClientResponse.class);

    String fileContent = response.getEntity(String.class);
    // System.out.println(fileContent);
    response.close();
    GsonBuilder builder = new GsonBuilder();

    builder.registerTypeAdapter(Tweet[].class, new JsonDeserializer<Tweet[]>() {

        @Override
        public Tweet[] deserialize(JsonElement je, Type type, JsonDeserializationContext jdc)
                throws JsonParseException {

            List<Tweet> s = new ArrayList<>();
            // System.out.println(je.getAsJsonObject().get("data").getAsJsonArray().get(1));
            // JsonArray coordinatesArray = fields.getAsJsonArray();

            for (int i = 0; i < je.getAsJsonObject().get("data").getAsJsonArray().size(); i++) {

                String[] parts = je.getAsJsonObject().get("data").getAsJsonArray().get(i).toString()
                        .replace("\"", "").replace("[", "").replace("]", "").split(",");
                try {
                    s.add(new Tweet(parts[0], new URI("http://localhost:7474/db/data/node/" + parts[1])));

                } catch (URISyntaxException ex) {
                    Logger.getLogger(UserRepo.class.getName()).log(Level.SEVERE, null, ex);
                }
            }

            return s.toArray(new Tweet[s.size()]);
        }
    });

    Gson gson = builder.create();
    Tweet[] M = gson.fromJson(fileContent, Tweet[].class);
    return M;

}

---

From source file:tweets.UserRepo.java

public static User[] GetFollowing(User S) throws URISyntaxException {
    URI fromUri = new URI("http://localhost:7474/db/data/cypher");

    WebResource resource = Client.create().resource(fromUri);
    String cypher = "{\n" + "  \"query\" : \" MATCH (n:user{ Pseudo: '" + S.getPseudo()
            + "'})-[labels:Follows]->(m) RETURN m.name, m.LastName, m.Email, id(m), m.Pseudo  \",\n"
            + "  \"params\" : {\n" + "  }\n" + "}";
    ;/*  ww  w  .  j a  v  a  2  s  . c  o  m*/

    // POST JSON to the relationships URI
    ClientResponse response = resource.accept(MediaType.APPLICATION_JSON).type(MediaType.APPLICATION_JSON)
            .entity(cypher).post(ClientResponse.class);

    String fileContent = response.getEntity(String.class);
    // System.out.println(fileContent);
    response.close();
    GsonBuilder builder = new GsonBuilder();

    builder.registerTypeAdapter(User[].class, new JsonDeserializer<User[]>() {

        @Override
        public User[] deserialize(JsonElement je, Type type, JsonDeserializationContext jdc)
                throws JsonParseException {

            List<User> s = new ArrayList<>();
            // System.out.println(je.getAsJsonObject().get("data").getAsJsonArray().get(1));
            // JsonArray coordinatesArray = fields.getAsJsonArray();

            for (int i = 0; i < je.getAsJsonObject().get("data").getAsJsonArray().size(); i++) {

                String[] parts = je.getAsJsonObject().get("data").getAsJsonArray().get(i).toString()
                        .replace("\"", "").replace("[", "").replace("]", "").split(",");
                try {
                    s.add(new User(parts[0], parts[1], parts[2], new URI(BASE_URI + "node/" + parts[3]),
                            parts[4]));

                } catch (URISyntaxException ex) {
                    Logger.getLogger(UserRepo.class.getName()).log(Level.SEVERE, null, ex);
                }
            }

            return s.toArray(new User[s.size()]);
        }
    });
    Gson gson = builder.create();

    User[] R = gson.fromJson(fileContent, User[].class);
    return R;

}

---

From source file:tweets.UserRepo.java

public static User[] GetFollowed(User S) throws URISyntaxException {
    URI fromUri = new URI("http://localhost:7474/db/data/cypher");

    WebResource resource = Client.create().resource(fromUri);
    String cypher = "{\n" + "  \"query\" : \" MATCH (n:user{ Pseudo: '" + S.getPseudo()
            + "'})<-[labels:Follows]-(m) RETURN m.name, m.LastName, m.Email, id(m), m.Pseudo  \",\n"
            + "  \"params\" : {\n" + "  }\n" + "}";
    ;//from w  ww  .jav  a  2s.c o  m

    // POST JSON to the relationships URI
    ClientResponse response = resource.accept(MediaType.APPLICATION_JSON).type(MediaType.APPLICATION_JSON)
            .entity(cypher).post(ClientResponse.class);

    String fileContent = response.getEntity(String.class);
    // System.out.println(fileContent);
    response.close();
    GsonBuilder builder = new GsonBuilder();

    builder.registerTypeAdapter(User[].class, new JsonDeserializer<User[]>() {

        @Override
        public User[] deserialize(JsonElement je, Type type, JsonDeserializationContext jdc)
                throws JsonParseException {

            List<User> s = new ArrayList<>();
            // System.out.println(je.getAsJsonObject().get("data").getAsJsonArray().get(1));
            // JsonArray coordinatesArray = fields.getAsJsonArray();

            for (int i = 0; i < je.getAsJsonObject().get("data").getAsJsonArray().size(); i++) {

                String[] parts = je.getAsJsonObject().get("data").getAsJsonArray().get(i).toString()
                        .replace("\"", "").replace("[", "").replace("]", "").split(",");
                try {
                    s.add(new User(parts[0], parts[1], parts[2], new URI(BASE_URI + "node/" + parts[3]),
                            parts[4]));

                } catch (URISyntaxException ex) {
                    Logger.getLogger(UserRepo.class.getName()).log(Level.SEVERE, null, ex);
                }
            }

            return s.toArray(new User[s.size()]);
        }
    });
    Gson gson = builder.create();

    User[] R = gson.fromJson(fileContent, User[].class);
    return R;

}

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