[33] | 1 | package omq.common.util.Serializers; |
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| 2 | |
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| 3 | import java.util.List; |
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| 4 | |
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| 5 | import omq.common.event.Event; |
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| 6 | import omq.common.message.Request; |
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| 7 | import omq.common.message.Response; |
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| 8 | import omq.exception.SerializerException; |
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| 9 | import omq.server.remote.request.RemoteObject; |
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| 10 | |
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| 11 | import com.google.gson.Gson; |
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| 12 | import com.google.gson.JsonArray; |
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| 13 | import com.google.gson.JsonElement; |
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| 14 | import com.google.gson.JsonObject; |
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| 15 | import com.google.gson.JsonParser; |
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| 16 | |
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| 17 | public class GsonImp implements ISerializer { |
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| 18 | private final Gson gson = new Gson(); |
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| 19 | |
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| 20 | @Override |
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| 21 | public byte[] serialize(Object obj) throws SerializerException { |
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| 22 | String json = gson.toJson(obj); |
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| 23 | System.out.println(json); |
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| 24 | return json.getBytes(); |
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| 25 | } |
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| 26 | |
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| 27 | @Override |
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| 28 | public Request deserializeRequest(byte[] bytes, RemoteObject obj) throws SerializerException { |
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| 29 | String json = new String(bytes); |
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| 30 | |
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| 31 | JsonParser parser = new JsonParser(); |
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| 32 | JsonObject jsonObj = parser.parse(json).getAsJsonObject(); |
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| 33 | |
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| 34 | String id = jsonObj.get("id").getAsString(); |
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| 35 | String method = jsonObj.get("method").getAsString(); |
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| 36 | |
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| 37 | List<Class<?>> types = obj.getParams(method); |
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| 38 | |
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| 39 | try { |
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| 40 | JsonArray jsonArgs = (JsonArray) jsonObj.get("arguments"); |
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| 41 | |
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| 42 | // TODO: if (jsonArgs.size() == types.size()) |
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| 43 | int length = jsonArgs.size(); |
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| 44 | Object[] arguments = new Object[length]; |
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| 45 | |
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| 46 | int i = 0; |
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| 47 | for (JsonElement element : jsonArgs) { |
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| 48 | arguments[i] = gson.fromJson(element, types.get(i)); |
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| 49 | i++; |
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| 50 | } |
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| 51 | |
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| 52 | return new Request(id, method, arguments); |
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| 53 | } catch (NullPointerException e) { |
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| 54 | return new Request(id, method, null); |
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| 55 | } |
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| 56 | } |
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| 57 | |
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| 58 | @Override |
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| 59 | public Response deserializeResponse(byte[] bytes, Class<?> type) throws SerializerException { |
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| 60 | String json = new String(bytes); |
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| 61 | |
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| 62 | JsonParser parser = new JsonParser(); |
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| 63 | JsonObject jsonObj = parser.parse(json).getAsJsonObject(); |
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| 64 | |
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| 65 | String id = jsonObj.get("id").getAsString(); |
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| 66 | String idOmq = jsonObj.get("idOmq").getAsString(); |
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| 67 | |
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| 68 | JsonElement jsonElement = jsonObj.get("result"); |
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| 69 | Object result = gson.fromJson(jsonElement, type); |
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| 70 | |
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| 71 | return new Response(id, idOmq, result); |
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| 72 | } |
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| 73 | |
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| 74 | @Override |
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| 75 | public Event deserializeEvent(byte[] bytes) throws SerializerException { |
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| 76 | try { |
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| 77 | String json = new String(bytes); |
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| 78 | System.out.println(json); |
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| 79 | |
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| 80 | JsonParser parser = new JsonParser(); |
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| 81 | JsonObject jsonObj = parser.parse(json).getAsJsonObject(); |
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| 82 | |
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| 83 | String type = jsonObj.get("type").getAsString(); |
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| 84 | |
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| 85 | JsonElement jsonElement = jsonObj.get("event"); |
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| 86 | Event event; |
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| 87 | |
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| 88 | event = (Event) gson.fromJson(jsonElement, Class.forName(type)); |
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| 89 | |
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| 90 | return event; |
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| 91 | } catch (Exception e) { |
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| 92 | throw new SerializerException("Deserialize event", e.getCause()); |
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| 93 | } |
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| 94 | } |
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| 95 | |
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| 96 | } |
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