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+/*******************************************************************************
+ * ============LICENSE_START=======================================================
+ * pcims
+ * ================================================================================
+ * Copyright (C) 2018 Wipro Limited.
+ * ==============================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ ******************************************************************************/
+
+package com.wipro.www.sonhms;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.wipro.www.sonhms.dmaap.DmaapClient;
+import com.wipro.www.sonhms.restclient.PolicyRestClient;
+import com.wipro.www.sonhms.utils.FileIo;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.annotation.PostConstruct;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+
+ @Autowired
+ DmaapClient dmaapClient;
+
+ @Autowired
+ MainThreadComponent mainThreadComponent;
+
+ private static Logger log = LoggerFactory.getLogger(Application.class);
+
+ /**
+ * Main method where the pci context is initially set.
+ */
+ public static void main(String[] args) {
+ SpringApplication.run(Application.class);
+
+ }
+
+ /**
+ * initialization.
+ */
+ @PostConstruct
+ void init() {
+ getConfig();
+ fetchIntialConfigFromPolicy();
+ NewNotification newNotification = new NewNotification(false);
+ dmaapClient.initClient(newNotification);
+ mainThreadComponent.init(newNotification);
+ }
+
+ /**
+ * Gets configuration from policy.
+ */
+ @SuppressWarnings("unchecked")
+ private void fetchIntialConfigFromPolicy() {
+ log.debug("fetch initial config from policy");
+ String configPolicyResponseJson = PolicyRestClient.fetchConfigFromPolicy();
+ if (configPolicyResponseJson.equals("Post failed")) {
+ log.debug("cannot fetch config from policy");
+ return;
+ }
+ ObjectMapper mapper = new ObjectMapper();
+ List<HashMap<String, Object>> configPolicyResponse = new ArrayList<>();
+ try {
+ configPolicyResponse = mapper.readValue(configPolicyResponseJson, List.class);
+ } catch (IOException e) {
+ log.debug("exception during parsing response from policy", e);
+ }
+ String configPolicyJson = null;
+ if (configPolicyResponse != null) {
+ configPolicyJson = (String) configPolicyResponse.get(0).get("config");
+ } else {
+ return;
+ }
+ Map<String, Object> configPolicyMap = new HashMap<>();
+ try {
+ configPolicyMap = mapper.readValue(configPolicyJson, HashMap.class);
+ } catch (IOException e) {
+ log.debug("exception during parsing config body from policy", e);
+ }
+ ConfigPolicy configPolicy = ConfigPolicy.getInstance();
+ configPolicy.setConfig(configPolicyMap);
+ if (log.isDebugEnabled()) {
+ log.debug(configPolicy.toString());
+ }
+ }
+
+ /**
+ * Gets config from config.json.
+ *
+ */
+ private void getConfig() {
+ log.debug("getting initial config");
+ String configJson = FileIo.readFromFile("/etc/config.json");
+ ObjectMapper mapper = new ObjectMapper();
+ Configuration configuration = Configuration.getInstance();
+ try {
+ mapper.readerForUpdating(configuration).readValue(configJson);
+ if (log.isDebugEnabled()) {
+ log.debug(configuration.toString());
+ }
+ } catch (IOException e) {
+ log.debug("exception during parsing configuration", e);
+ }
+ }
+}