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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.impl
import arrow.core.Either
import arrow.data.Nel
import org.onap.dcae.collectors.veshv.domain.WireFrameMessage
import org.onap.dcae.collectors.veshv.domain.VesMessage
typealias ValidationFailMessage = () -> String
typealias ValidationSuccessMessage = () -> String
typealias ValidationResult = Either<ValidationFailMessage, ValidationSuccessMessage>
internal object MessageValidator {
fun validateFrameMessage(message: WireFrameMessage): ValidationResult =
message.validate().fold({
Either.left { "Invalid wire frame header, reason: ${it.message}" }
}, {
Either.right { "Wire frame header is valid" }
})
fun validateProtobufMessage(message: VesMessage): ValidationResult =
HeaderValidator.validate(message.header).fold(
{ validationErrors: Nel<ValidationError> ->
Either.left {
"Protocol buffer message is invalid, reasons:" + validationErrors.all
.joinToString(prefix = "\n-") { it.errorMessage }
}
},
{
Either.right { "Protocol buffers message is valid" }
})
}
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