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Diffstat (limited to 'dcae-analytics-tca/src/main/java/org/onap/dcae/apod/analytics/tca/processor/AbstractTCAECEFPolicyProcessor.java')
-rw-r--r-- | dcae-analytics-tca/src/main/java/org/onap/dcae/apod/analytics/tca/processor/AbstractTCAECEFPolicyProcessor.java | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/dcae-analytics-tca/src/main/java/org/onap/dcae/apod/analytics/tca/processor/AbstractTCAECEFPolicyProcessor.java b/dcae-analytics-tca/src/main/java/org/onap/dcae/apod/analytics/tca/processor/AbstractTCAECEFPolicyProcessor.java new file mode 100644 index 0000000..b2da5a4 --- /dev/null +++ b/dcae-analytics-tca/src/main/java/org/onap/dcae/apod/analytics/tca/processor/AbstractTCAECEFPolicyProcessor.java @@ -0,0 +1,61 @@ +/* + * ===============================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.onap.dcae.apod.analytics.tca.processor; + +import org.onap.dcae.apod.analytics.common.exception.MessageProcessingException; +import org.onap.dcae.apod.analytics.common.service.processor.AbstractMessageProcessor; +import org.onap.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); + } +} |