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/*******************************************************************************
* ============LICENSE_START=======================================================
* son-handler
* ================================================================================
* Copyright (C) 2019 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 org.onap.dcaegen2.services.sonhms;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.onap.dcaegen2.services.sonhms.dmaap.DmaapClient;
import org.onap.dcaegen2.services.sonhms.restclient.PolicyRestClient;
import org.onap.dcaegen2.services.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);
}
}
}
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