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/*
* ===============================LICENSE_START======================================
* dcae-analytics
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. 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.openecomp.dcae.apod.analytics.tca.processor;
import org.openecomp.dcae.apod.analytics.common.exception.MessageProcessingException;
import org.openecomp.dcae.apod.analytics.common.service.processor.AbstractMessageProcessor;
import org.openecomp.dcae.apod.analytics.model.domain.cef.EventListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.annotation.Nonnull;
/**
* <p>
* Encapsulates common functionality for all TCA CEF Policy Processors
* </p>
*
* @author Rajiv Singla . Creation Date: 11/9/2016.
*/
public abstract class AbstractTCAECEFPolicyProcessor extends AbstractMessageProcessor<TCACEFProcessorContext> {
private static final Logger LOG = LoggerFactory.getLogger(AbstractTCAECEFPolicyProcessor.class);
/**
* For all TCA Policy Processor the pre processor ensures that {@link EventListener} object is
* present
*
* @param processorContext incoming Processor Context
* @return Pre processed Processor Context
*/
@Override
public TCACEFProcessorContext preProcessor(@Nonnull TCACEFProcessorContext processorContext) {
// validates CEF Event Listener is Present
final EventListener cefEventListener = processorContext.getCEFEventListener();
if (cefEventListener == null) {
final String errorMessage = String.format(
"CEF Event Listener is not Present.Invalid use of Processor: %s. CEF Message: %s",
getProcessorInfo().getProcessorName(), processorContext.getMessage());
throw new MessageProcessingException(errorMessage, LOG, new IllegalArgumentException(errorMessage));
}
return super.preProcessor(processorContext);
}
}
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