2 * ===============================LICENSE_START======================================
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4 * ================================================================================
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5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
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6 * ================================================================================
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7 * Licensed under the Apache License, Version 2.0 (the "License");
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8 * you may not use this file except in compliance with the License.
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9 * You may obtain a copy of the License at
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11 * http://www.apache.org/licenses/LICENSE-2.0
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13 * Unless required by applicable law or agreed to in writing, software
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14 * distributed under the License is distributed on an "AS IS" BASIS,
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15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 * See the License for the specific language governing permissions and
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17 * limitations under the License.
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18 * ============================LICENSE_END===========================================
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21 package org.openecomp.dcae.apod.analytics.tca.processor;
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23 import com.google.common.base.Joiner;
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24 import org.openecomp.dcae.apod.analytics.model.domain.cef.EventListener;
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25 import org.openecomp.dcae.apod.analytics.model.domain.policy.tca.TCAPolicy;
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27 import java.util.List;
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29 import static org.openecomp.dcae.apod.analytics.tca.utils.TCAUtils.getPolicyEventNamesSupplier;
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33 * TCA Processor that acts like a filter to filter out messages which does not belong to TCA Policy Event Name
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35 * Pre Conditions: CEF Event Listener must be present
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38 * @author Rajiv Singla . Creation Date: 11/9/2016.
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40 public class TCACEFPolicyEventNameFilter extends AbstractTCAECEFPolicyProcessor {
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42 private static final long serialVersionUID = 1L;
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45 public String getProcessorDescription() {
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46 return "Filters out CEF Messages which does not match Policy Functional Roles";
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50 public TCACEFProcessorContext processMessage(TCACEFProcessorContext processorContext) {
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52 // Safe to get event Listener here without null check as pre processor will validate if
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53 // event listener is indeed present
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54 final EventListener eventListener = processorContext.getCEFEventListener();
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56 String cefMessageEventName;
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58 if (eventListener.getEvent() != null &&
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59 eventListener.getEvent().getCommonEventHeader() != null &&
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60 eventListener.getEvent().getCommonEventHeader().getEventName() != null) {
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61 cefMessageEventName = eventListener.getEvent().getCommonEventHeader().getEventName();
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63 String terminationMessage = "Invalid CEF Message.Common Event Header Event Name not present.";
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64 setTerminatingProcessingMessage(terminationMessage, processorContext);
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65 return processorContext;
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68 // Determine Policy Functional Roles
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69 final TCAPolicy tcaPolicy = processorContext.getTCAPolicy();
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70 final List<String> policyEventNames = getPolicyEventNamesSupplier(tcaPolicy).get();
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71 final String policyEventNamesString = Joiner.on(",").join(policyEventNames);
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73 // If Policy event names contains CEF message event names then continue processing
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74 if (policyEventNames.contains(cefMessageEventName)) {
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75 final String finishMessage = String.format(
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76 "Policy Event Name and CEF Message Event Name match successful." +
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77 "Message EventName: %s, Policy Event Names: %s",
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78 cefMessageEventName, policyEventNamesString);
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79 setFinishedProcessingMessage(finishMessage, processorContext);
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81 // If Policy event names does not contain CEF message event names then terminate processing
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82 final String terminatingMessage = String.format(
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83 "Policy Event name and CEF Message Event name match unsuccessful." +
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84 "Message EventName: %s, Policy Event Names: %s",
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85 cefMessageEventName, policyEventNamesString);
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86 setTerminatingProcessingMessage(terminatingMessage, processorContext);
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89 return processorContext;
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