Java tutorial
/** * Copyright 2016 Yoel Nunez * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.yoelnunez.mobilefirst.analytics; import com.yoelnunez.mobilefirst.analytics.exceptions.MissingServerContextException; import com.yoelnunez.mobilefirst.analytics.util.AppContext; import com.yoelnunez.mobilefirst.analytics.util.ServerContext; import org.apache.commons.codec.binary.Base64; import org.apache.http.HttpEntity; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.ByteArrayEntity; import org.apache.http.impl.client.HttpClientBuilder; import org.json.JSONArray; import org.json.JSONObject; import java.io.IOException; import java.text.SimpleDateFormat; import java.util.HashMap; import java.util.Map; import java.util.TimeZone; public class AnalyticsAPI { private static ServerContext serverContext = null; private static HttpClient httpClient = null; private static Map<JSONObject, JSONArray> logs; public static AnalyticsAPI createInstance(AppContext context) throws MissingServerContextException { if (serverContext == null) { throw new MissingServerContextException("Server context missing, analytics reporting will fail."); } if (httpClient == null) { HttpClientBuilder builder = HttpClientBuilder.create(); httpClient = builder.build(); } logs = new HashMap<JSONObject, JSONArray>(); return new AnalyticsAPI(context); } public static void setContext(ServerContext context) { serverContext = context; } public static void setHttpClient(HttpClient client) { httpClient = client; } public static HttpClient getHttpClient() { return httpClient; } private JSONArray instanceLogs = new JSONArray(); private JSONObject appMetadata = new JSONObject(); private AnalyticsAPI(AppContext context) { loadAppMetaData(context); if (logs.get(appMetadata) == null) { logs.put(appMetadata, instanceLogs); } else { instanceLogs = logs.get(appMetadata); } } private void loadAppMetaData(AppContext context) { appMetadata.put("appName", context.getAppName()); appMetadata.put("appVersion", context.getAppVersion()); appMetadata.put("systemName", context.getDeviceOS()); appMetadata.put("model", context.getDeviceModel()); appMetadata.put("systemVersion", context.getDeviceOSVersion()); appMetadata.put("deviceId", context.getDeviceID()); } public JSONObject getAppMetadata() { return appMetadata; } public void log(String message, String metadata) { log(message, new JSONObject(metadata)); } public void log(String message, JSONObject metadata) { JSONObject logObject = new JSONObject(); logObject.put("msg", message); metadata.put("$src", "jar"); metadata.put("$arguments", (new JSONArray()).put(message)); logObject.put("metadata", metadata); logObject.put("level", "ANALYTICS"); logObject.put("pkg", "wl.analytics"); logObject.put("timestamp", System.currentTimeMillis()); instanceLogs.put(logObject); } public JSONArray getLogs() { return instanceLogs; } public static void send() { JSONArray payload = new JSONArray(); for (Map.Entry<JSONObject, JSONArray> set : logs.entrySet()) { JSONObject doc = new JSONObject(); doc.put("worklight_data", set.getKey()); doc.put("_type", "RawMfpAppLogs"); doc.put("client_logs", set.getValue()); payload.put(doc); } String credentials = serverContext.getUsername() + ":" + serverContext.getPassword(); HttpPost post = new HttpPost(serverContext.getEndpoint()); post.addHeader("Content-Type", "application/json"); post.addHeader("Authorization", "Basic " + new String(Base64.encodeBase64(credentials.getBytes()))); HttpEntity entity = new ByteArrayEntity(payload.toString().getBytes()); post.setEntity(entity); try { httpClient.execute(post); logs.clear(); } catch (IOException ignored) { } } }