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/*
* ============LICENSE_START=======================================================
* PNF-REGISTRATION-HANDLER
* ================================================================================
* Copyright (C) 2018 Nokia. All rights reserved.
* ================================================================================
* 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.pnfsimulator.simulator;
import com.google.common.base.Strings;
import com.google.gson.JsonObject;
import org.onap.pnfsimulator.event.EventData;
import org.onap.pnfsimulator.event.EventDataService;
import org.onap.pnfsimulator.rest.model.FullEvent;
import org.onap.pnfsimulator.rest.model.SimulatorParams;
import org.onap.pnfsimulator.rest.model.SimulatorRequest;
import org.onap.pnfsimulator.simulator.client.HttpClientAdapter;
import org.onap.pnfsimulator.simulator.client.HttpClientAdapterImpl;
import org.onap.pnfsimulator.simulator.client.HttpResponseAdapter;
import org.onap.pnfsimulator.simulator.client.utils.ssl.SslAuthenticationHelper;
import org.onap.pnfsimulator.simulator.scheduler.EventScheduler;
import org.onap.pnfsimulator.simulatorconfig.SimulatorConfig;
import org.onap.pnfsimulator.simulatorconfig.SimulatorConfigService;
import org.quartz.SchedulerException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.Optional;
@Service
public class SimulatorService {
private final TemplatePatcher templatePatcher;
private final TemplateVariablesReplacer templateVariablesReplacer;
private final TemplateReader templateReader;
private final EventDataService eventDataService;
private final EventScheduler eventScheduler;
private final SslAuthenticationHelper sslAuthenticationHelper;
private SimulatorConfigService simulatorConfigService;
private static final JsonObject EMPTY_JSON_OBJECT = new JsonObject();
@Autowired
public SimulatorService(
TemplatePatcher templatePatcher,
TemplateReader templateReader,
EventScheduler eventScheduler,
EventDataService eventDataService,
SimulatorConfigService simulatorConfigService,
TemplateVariablesReplacer templateVariablesReplacer,
SslAuthenticationHelper sslAuthenticationHelper) {
this.templatePatcher = templatePatcher;
this.templateReader = templateReader;
this.eventDataService = eventDataService;
this.eventScheduler = eventScheduler;
this.simulatorConfigService = simulatorConfigService;
this.templateVariablesReplacer = templateVariablesReplacer;
this.sslAuthenticationHelper = sslAuthenticationHelper;
}
public String triggerEvent(SimulatorRequest simulatorRequest) throws IOException, SchedulerException, GeneralSecurityException {
String templateName = simulatorRequest.getTemplateName();
SimulatorParams simulatorParams = simulatorRequest.getSimulatorParams();
JsonObject template = templateReader.readTemplate(templateName);
JsonObject input = Optional.ofNullable(simulatorRequest.getPatch()).orElse(new JsonObject());
JsonObject patchedJson = templatePatcher
.mergeTemplateWithPatch(template, input);
JsonObject variables = Optional.ofNullable(simulatorRequest.getVariables()).orElse(new JsonObject());
JsonObject patchedJsonWithVariablesSubstituted = templateVariablesReplacer.substituteVariables(patchedJson, variables);
JsonObject keywords = new JsonObject();
EventData eventData = eventDataService.persistEventData(template, patchedJsonWithVariablesSubstituted, input, keywords);
String targetVesUrl = getDefaultUrlIfNotProvided(simulatorParams.getVesServerUrl());
return eventScheduler
.scheduleEvent(targetVesUrl, Optional.ofNullable(simulatorParams.getRepeatInterval()).orElse(1),
Optional.ofNullable(simulatorParams.getRepeatCount()).orElse(1), simulatorRequest.getTemplateName(),
eventData.getId(),
patchedJsonWithVariablesSubstituted);
}
public HttpResponseAdapter triggerOneTimeEvent(FullEvent event) throws IOException, GeneralSecurityException {
KeywordsHandler keywordsHandler = new KeywordsHandler(new KeywordsExtractor(), id -> 1);
JsonObject withKeywordsSubstituted = keywordsHandler.substituteKeywords(event.getEvent(), "").getAsJsonObject();
HttpClientAdapter client = createHttpClientAdapter(event.getVesServerUrl());
eventDataService.persistEventData(EMPTY_JSON_OBJECT, withKeywordsSubstituted, event.getEvent(), EMPTY_JSON_OBJECT);
return client.send(withKeywordsSubstituted.toString());
}
public SimulatorConfig getConfiguration() {
return simulatorConfigService.getConfiguration();
}
public SimulatorConfig updateConfiguration(SimulatorConfig newConfig) {
return simulatorConfigService.updateConfiguration(newConfig);
}
public boolean cancelAllEvents() throws SchedulerException {
return eventScheduler.cancelAllEvents();
}
public boolean cancelEvent(String jobName) throws SchedulerException {
return eventScheduler.cancelEvent(jobName);
}
HttpClientAdapter createHttpClientAdapter(String vesServerUrl) throws IOException, GeneralSecurityException {
String targetVesUrl = getDefaultUrlIfNotProvided(vesServerUrl);
return new HttpClientAdapterImpl(targetVesUrl, sslAuthenticationHelper);
}
private String getDefaultUrlIfNotProvided(String vesUrlSimulatorParam) {
return Strings.isNullOrEmpty(vesUrlSimulatorParam)
? simulatorConfigService.getConfiguration().getVesServerUrl().toString() : vesUrlSimulatorParam;
}
}
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