Java tutorial
/* * Copyright 2015 Ludwig Andersson * * This file is part of Thermospy-android. * * Thermospy-android is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Thermospy-android is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermospy-android. If not, see <http://www.gnu.org/licenses/>. */ package com.luan.thermospy.android.core.rest; import com.android.volley.RequestQueue; import com.android.volley.VolleyError; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import com.google.gson.JsonDeserializationContext; import com.google.gson.JsonDeserializer; import com.google.gson.JsonElement; import com.google.gson.JsonParseException; import com.luan.thermospy.android.core.pojo.LogSession; import com.luan.thermospy.android.core.serverrequest.AbstractServerRequest; import com.luan.thermospy.android.core.serverrequest.UrlRequestType; import com.luan.thermospy.android.core.serverrequest.type.GetJsonObject; import com.luan.thermospy.android.core.serverrequest.type.RequestControl; import org.json.JSONObject; import java.lang.reflect.Type; import java.util.ArrayList; import java.util.Date; /** * Created by ludde on 15-02-17. */ public class GetActiveLogSessionReq implements AbstractServerRequest.ServerRequestListener<JSONObject>, RequestControl { private final GetJsonObject mGetJsonObjectReq; private OnGetActiveLogSessionsListener mListener; public interface OnGetActiveLogSessionsListener { void onActiveLogSessionRecv(LogSession logSession); void onActiveLogSessionError(); } public GetActiveLogSessionReq(RequestQueue queue, OnGetActiveLogSessionsListener listener) { mGetJsonObjectReq = new GetJsonObject(queue, this, UrlRequestType.LOG_SESSION); mListener = listener; } @Override public void request(String ip, int port) { mGetJsonObjectReq.setRequestParams(new ArrayList<String>() { { add("active"); } }); mGetJsonObjectReq.request(ip, port); } @Override public void cancel() { mGetJsonObjectReq.cancel(); } @Override public void onOkResponse(JSONObject response) { GsonBuilder builder = new GsonBuilder(); // Register an adapter to manage the date types as long values builder.registerTypeAdapter(Date.class, new JsonDeserializer<Date>() { public Date deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException { return new Date(json.getAsJsonPrimitive().getAsLong()); } }); Gson gson = builder.create(); mListener.onActiveLogSessionRecv(gson.fromJson(response.toString(), LogSession.class)); } @Override public void onErrorResponse(VolleyError error) { mListener.onActiveLogSessionError(); } }