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/*
* ============LICENSE_START=======================================================
* PROJECT
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* Copyright (C) 2019 Nokia. All rights reserved.s
* ================================================================================
* 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.restapi;
import org.json.JSONObject;
import org.onap.dcae.ApplicationSettings;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.ResponseEntity;
import java.util.Optional;
public class EventValidator {
private final SchemaValidator schemaValidator = new SchemaValidator();
private ApplicationSettings applicationSettings;
public EventValidator(ApplicationSettings applicationSettings) {
this.applicationSettings = applicationSettings;
}
public Optional<ResponseEntity<String>> validate(JSONObject jsonObject, String type, String version){
if (applicationSettings.jsonSchemaValidationEnabled()) {
if (jsonObject.has(type)) {
if (!schemaValidator.conformsToSchema(jsonObject, applicationSettings.jsonSchema(version))) {
return errorResponse(ApiException.SCHEMA_VALIDATION_FAILED);
}
} else {
return errorResponse(ApiException.INVALID_JSON_INPUT);
}
}
return Optional.empty();
}
private Optional<ResponseEntity<String>> errorResponse(ApiException noServerResources) {
return Optional.of(ResponseEntity.status(noServerResources.httpStatusCode)
.body(noServerResources.toJSON().toString()));
}
}
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