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 org.openecomp.dcae.apod.analytics.common.exception.MessageProcessingException;
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24 import org.openecomp.dcae.apod.analytics.common.service.processor.AbstractMessageProcessor;
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25 import org.openecomp.dcae.apod.analytics.model.domain.cef.EventListener;
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26 import org.slf4j.Logger;
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27 import org.slf4j.LoggerFactory;
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29 import javax.annotation.Nonnull;
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33 * Encapsulates common functionality for all TCA CEF Policy Processors
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36 * @author Rajiv Singla . Creation Date: 11/9/2016.
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38 public abstract class AbstractTCAECEFPolicyProcessor extends AbstractMessageProcessor<TCACEFProcessorContext> {
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40 private static final Logger LOG = LoggerFactory.getLogger(AbstractTCAECEFPolicyProcessor.class);
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43 * For all TCA Policy Processor the pre processor ensures that {@link EventListener} object is
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46 * @param processorContext incoming Processor Context
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47 * @return Pre processed Processor Context
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50 public TCACEFProcessorContext preProcessor(@Nonnull TCACEFProcessorContext processorContext) {
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51 // validates CEF Event Listener is Present
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52 final EventListener cefEventListener = processorContext.getCEFEventListener();
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53 if (cefEventListener == null) {
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54 final String errorMessage = String.format(
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55 "CEF Event Listener is not Present.Invalid use of Processor: %s. CEF Message: %s",
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56 getProcessorInfo().getProcessorName(), processorContext.getMessage());
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57 throw new MessageProcessingException(errorMessage, LOG, new IllegalArgumentException(errorMessage));
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59 return super.preProcessor(processorContext);
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