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/*
* ============LICENSE_START=======================================================
* VES
* ================================================================================
* Copyright (C) 2020 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.dcae.common.validator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import org.json.JSONException;
import org.onap.dcae.common.model.VesEvent;
import org.onap.dcae.restapi.ApiException;
import org.onap.dcae.restapi.EventValidatorException;
import org.onap.dcaegen2.services.sdk.services.external.schema.manager.exception.IncorrectInternalFileReferenceException;
import org.onap.dcaegen2.services.sdk.services.external.schema.manager.exception.NoLocalReferenceException;
import org.onap.dcaegen2.services.sdk.services.external.schema.manager.service.StndDefinedValidator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
public class StndDefinedDataValidator {
private static final String STND_DEFINED_DOMAIN = "stndDefined";
private final StndDefinedValidator stndDefinedValidator;
@Autowired
public StndDefinedDataValidator(StndDefinedValidator validator) {
this.stndDefinedValidator = validator;
}
/**
* Validates incoming event
*
* @param event as JsonNode
* @throws EventValidatorException exceptions related to failing StndDefined validation
*/
public void validate(VesEvent event) throws EventValidatorException {
try {
if (shouldBeValidated(event) && !doValidation(event.asJsonNode())) {
throw new EventValidatorException(ApiException.STND_DEFINED_VALIDATION_FAILED);
}
} catch (JsonProcessingException ex) {
throw new EventValidatorException(ApiException.INVALID_JSON_INPUT);
}
}
private boolean doValidation(JsonNode event) throws EventValidatorException {
try {
return stndDefinedValidator.validate(event);
} catch (NoLocalReferenceException e) {
throw new EventValidatorException(ApiException.NO_LOCAL_SCHEMA_REFERENCE);
} catch (IncorrectInternalFileReferenceException e) {
throw new EventValidatorException(ApiException.INCORRECT_INTERNAL_FILE_REFERENCE);
}
}
private boolean shouldBeValidated(VesEvent event) {
boolean shouldBeValidated;
try {
shouldBeValidated = STND_DEFINED_DOMAIN.equals(event.getDomain())
&& !event.getSchemaReference().isEmpty();
} catch (JSONException e) {
shouldBeValidated = false;
}
return shouldBeValidated;
}
}
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