diff options
Diffstat (limited to 'src/main/java/org/onap/dcae/common/validator/GeneralEventValidator.java')
-rw-r--r-- | src/main/java/org/onap/dcae/common/validator/GeneralEventValidator.java | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/common/validator/GeneralEventValidator.java b/src/main/java/org/onap/dcae/common/validator/GeneralEventValidator.java new file mode 100644 index 00000000..5cd5dc25 --- /dev/null +++ b/src/main/java/org/onap/dcae/common/validator/GeneralEventValidator.java @@ -0,0 +1,75 @@ +/* + * ============LICENSE_START======================================================= + * PROJECT + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * 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.networknt.schema.JsonSchema; +import org.onap.dcae.ApplicationSettings; +import org.onap.dcae.common.model.VesEvent; +import org.onap.dcae.restapi.ApiException; +import org.onap.dcae.restapi.EventValidatorException; + +/** + * This class is using ApplicationSetting and SchemaValidator to validate VES event. + * + * @author Zebek + */ +public class GeneralEventValidator { + + private final SchemaValidator schemaValidator; + private final ApplicationSettings applicationSettings; + + public GeneralEventValidator(ApplicationSettings applicationSettings) { + this(applicationSettings, new SchemaValidator()); + } + + GeneralEventValidator(ApplicationSettings applicationSettings, SchemaValidator schemaValidator) { + this.applicationSettings = applicationSettings; + this.schemaValidator = schemaValidator; + } + + /** + * This method is validating given event using schema adn throws exception if event is not valid + * + * @param vesEvent event that will be validate + * @param type expected type of event + * @param version json schema version that will be used + * @throws EventValidatorException when event is not valid or have wrong type + */ + public void validate(VesEvent vesEvent, String type, String version) throws EventValidatorException { + if (applicationSettings.eventSchemaValidationEnabled()) { + doValidation(vesEvent, type, version); + } + } + + private void doValidation(VesEvent vesEvent, String type, String version) throws EventValidatorException { + if (vesEvent.hasType(type)) { + if (!isEventMatchToSchema(vesEvent, applicationSettings.jsonSchema(version))) { + throw new EventValidatorException(ApiException.SCHEMA_VALIDATION_FAILED); + } + } else { + throw new EventValidatorException(ApiException.INVALID_JSON_INPUT); + } + } + + private boolean isEventMatchToSchema(VesEvent vesEvent, JsonSchema schema) { + return schemaValidator.conformsToSchema(vesEvent.asJsonObject(), schema); + } +} |