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/*
* ============LICENSE_START=======================================================
* dcaegen2-collectors-veshv
* ================================================================================
* Copyright (C) 2018 NOKIA
* ================================================================================
* 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.collectors.veshv.ves.message.generator.impl
import arrow.core.Option
import com.google.protobuf.util.JsonFormat
import org.onap.dcae.collectors.veshv.domain.headerRequiredFieldDescriptors
import org.onap.ves.VesEventOuterClass.CommonEventHeader
import javax.json.JsonObject
/**
* @author Jakub Dudycz <jakub.dudycz@nokia.com>
* @since July 2018
*/
class CommonEventHeaderParser {
fun parse(json: JsonObject): Option<CommonEventHeader> =
Option.fromNullable(
CommonEventHeader.newBuilder()
.apply { JsonFormat.parser().merge(json.toString(), this) }
.build()
.takeUnless { !isValid(it) }
)
private fun isValid(header: CommonEventHeader): Boolean {
return allMandatoryFieldsArePresent(header)
}
private fun allMandatoryFieldsArePresent(header: CommonEventHeader) =
headerRequiredFieldDescriptors
.all { fieldDescriptor -> header.hasField(fieldDescriptor) }
}
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