Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2015 Savelii Zagurskii * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package ru.payqr.kladapiexample.rest; import com.google.gson.ExclusionStrategy; import com.google.gson.FieldAttributes; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import io.realm.RealmObject; import retrofit.RequestInterceptor; import retrofit.RestAdapter; import retrofit.converter.GsonConverter; import ru.payqr.dadataexample.BuildConfig; import ru.payqr.kladapiexample.realm.models.kladr.RealmKladrSuggestion; /** * @author Savelii Zagurskii */ public class KladrRestClient { private static final String BASE_URL = "http://kladr-api.ru"; private static volatile KladrRestClient instance; private KladrService apiService; private KladrRestClient() { Gson gson = new GsonBuilder().setExclusionStrategies(new ExclusionStrategy() { @Override public boolean shouldSkipField(FieldAttributes f) { return f.getDeclaringClass().equals(RealmObject.class); } @Override public boolean shouldSkipClass(Class<?> clazz) { return false; } }).create(); RestAdapter restAdapter = new RestAdapter.Builder() .setLogLevel(BuildConfig.DEBUG ? RestAdapter.LogLevel.FULL : RestAdapter.LogLevel.NONE) .setEndpoint(BASE_URL).setRequestInterceptor(new RequestInterceptor() { @Override public void intercept(RequestFacade request) { request.addQueryParam("token", BuildConfig.KLADR_TOKEN_KEY); request.addQueryParam("key", BuildConfig.KLADR_API_KEY); } }).setConverter(new GsonConverter(gson)).build(); apiService = restAdapter.create(KladrService.class); } /** * Get default instance of {@code KladrRestClient}. * * @return an instance of KladrRestClient. */ public static KladrRestClient getInstance() { KladrRestClient localInstance = instance; if (localInstance == null) { synchronized (KladrRestClient.class) { localInstance = instance; if (localInstance == null) { instance = localInstance = new KladrRestClient(); } } } return localInstance; } /** * Get suggestion synchronously. * * @param body an object that need to be passed in the body of the request. * @return */ public RealmKladrSuggestion getCitySuggestion(KladrBody body) { return apiService.getCitySuggestionSync(body.getQuery(), body.getLimit()); } /** * Get suggestion synchronously. * * @param body an object that need to be passed in the body of the request. * @return */ public RealmKladrSuggestion getStreetSuggestion(KladrBody body) { return apiService.getStreetSuggestionSync(body.getQuery(), body.getLimit(), body.getSelectedId()); } /** * Get suggestion synchronously. * * @param body an object that need to be passed in the body of the request. * @return */ public RealmKladrSuggestion getBuildingSuggestion(KladrBody body) { return apiService.getBuildingSuggestionSync(body.getQuery(), body.getLimit(), body.getSelectedId()); } }